PackageManager.java revision 1caeb10a7a288d937195d925c52f441f454cbc9a
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.content.pm;
18
19import android.annotation.SdkConstant;
20import android.annotation.SdkConstant.SdkConstantType;
21import android.content.ComponentName;
22import android.content.Context;
23import android.content.Intent;
24import android.content.IntentFilter;
25import android.content.IntentSender;
26import android.content.res.Resources;
27import android.content.res.XmlResourceParser;
28import android.graphics.drawable.Drawable;
29import android.net.Uri;
30import android.os.Environment;
31import android.os.UserHandle;
32import android.util.AndroidException;
33import android.util.DisplayMetrics;
34
35import java.io.File;
36import java.util.List;
37
38/**
39 * Class for retrieving various kinds of information related to the application
40 * packages that are currently installed on the device.
41 *
42 * You can find this class through {@link Context#getPackageManager}.
43 */
44public abstract class PackageManager {
45
46    /**
47     * This exception is thrown when a given package, application, or component
48     * name cannot be found.
49     */
50    public static class NameNotFoundException extends AndroidException {
51        public NameNotFoundException() {
52        }
53
54        public NameNotFoundException(String name) {
55            super(name);
56        }
57    }
58
59    /**
60     * {@link PackageInfo} flag: return information about
61     * activities in the package in {@link PackageInfo#activities}.
62     */
63    public static final int GET_ACTIVITIES              = 0x00000001;
64
65    /**
66     * {@link PackageInfo} flag: return information about
67     * intent receivers in the package in
68     * {@link PackageInfo#receivers}.
69     */
70    public static final int GET_RECEIVERS               = 0x00000002;
71
72    /**
73     * {@link PackageInfo} flag: return information about
74     * services in the package in {@link PackageInfo#services}.
75     */
76    public static final int GET_SERVICES                = 0x00000004;
77
78    /**
79     * {@link PackageInfo} flag: return information about
80     * content providers in the package in
81     * {@link PackageInfo#providers}.
82     */
83    public static final int GET_PROVIDERS               = 0x00000008;
84
85    /**
86     * {@link PackageInfo} flag: return information about
87     * instrumentation in the package in
88     * {@link PackageInfo#instrumentation}.
89     */
90    public static final int GET_INSTRUMENTATION         = 0x00000010;
91
92    /**
93     * {@link PackageInfo} flag: return information about the
94     * intent filters supported by the activity.
95     */
96    public static final int GET_INTENT_FILTERS          = 0x00000020;
97
98    /**
99     * {@link PackageInfo} flag: return information about the
100     * signatures included in the package.
101     */
102    public static final int GET_SIGNATURES          = 0x00000040;
103
104    /**
105     * {@link ResolveInfo} flag: return the IntentFilter that
106     * was matched for a particular ResolveInfo in
107     * {@link ResolveInfo#filter}.
108     */
109    public static final int GET_RESOLVED_FILTER         = 0x00000040;
110
111    /**
112     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
113     * data {@link android.os.Bundle}s that are associated with a component.
114     * This applies for any API returning a ComponentInfo subclass.
115     */
116    public static final int GET_META_DATA               = 0x00000080;
117
118    /**
119     * {@link PackageInfo} flag: return the
120     * {@link PackageInfo#gids group ids} that are associated with an
121     * application.
122     * This applies for any API returning a PackageInfo class, either
123     * directly or nested inside of another.
124     */
125    public static final int GET_GIDS                    = 0x00000100;
126
127    /**
128     * {@link PackageInfo} flag: include disabled components in the returned info.
129     */
130    public static final int GET_DISABLED_COMPONENTS     = 0x00000200;
131
132    /**
133     * {@link ApplicationInfo} flag: return the
134     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
135     * that are associated with an application.
136     * This applies for any API returning an ApplicationInfo class, either
137     * directly or nested inside of another.
138     */
139    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
140
141    /**
142     * {@link ProviderInfo} flag: return the
143     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
144     * that are associated with a content provider.
145     * This applies for any API returning a ProviderInfo class, either
146     * directly or nested inside of another.
147     */
148    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
149    /**
150     * {@link PackageInfo} flag: return information about
151     * permissions in the package in
152     * {@link PackageInfo#permissions}.
153     */
154    public static final int GET_PERMISSIONS               = 0x00001000;
155
156    /**
157     * Flag parameter to retrieve some information about all applications (even
158     * uninstalled ones) which have data directories. This state could have
159     * resulted if applications have been deleted with flag
160     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
161     * reinstalled in future.
162     * <p>
163     * Note: this flag may cause less information about currently installed
164     * applications to be returned.
165     */
166    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
167
168    /**
169     * {@link PackageInfo} flag: return information about
170     * hardware preferences in
171     * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
172     * requested features in {@link PackageInfo#reqFeatures
173     * PackageInfo.reqFeatures}.
174     */
175    public static final int GET_CONFIGURATIONS = 0x00004000;
176
177    /**
178     * {@link PackageInfo} flag: include disabled components which are in
179     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
180     * in the returned info.  Note that if you set this flag, applications
181     * that are in this disabled state will be reported as enabled.
182     */
183    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
184
185    /**
186     * Resolution and querying flag: if set, only filters that support the
187     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
188     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
189     * supplied Intent.
190     */
191    public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
192
193    /**
194     * Permission check result: this is returned by {@link #checkPermission}
195     * if the permission has been granted to the given package.
196     */
197    public static final int PERMISSION_GRANTED = 0;
198
199    /**
200     * Permission check result: this is returned by {@link #checkPermission}
201     * if the permission has not been granted to the given package.
202     */
203    public static final int PERMISSION_DENIED = -1;
204
205    /**
206     * Signature check result: this is returned by {@link #checkSignatures}
207     * if all signatures on the two packages match.
208     */
209    public static final int SIGNATURE_MATCH = 0;
210
211    /**
212     * Signature check result: this is returned by {@link #checkSignatures}
213     * if neither of the two packages is signed.
214     */
215    public static final int SIGNATURE_NEITHER_SIGNED = 1;
216
217    /**
218     * Signature check result: this is returned by {@link #checkSignatures}
219     * if the first package is not signed but the second is.
220     */
221    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
222
223    /**
224     * Signature check result: this is returned by {@link #checkSignatures}
225     * if the second package is not signed but the first is.
226     */
227    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
228
229    /**
230     * Signature check result: this is returned by {@link #checkSignatures}
231     * if not all signatures on both packages match.
232     */
233    public static final int SIGNATURE_NO_MATCH = -3;
234
235    /**
236     * Signature check result: this is returned by {@link #checkSignatures}
237     * if either of the packages are not valid.
238     */
239    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
240
241    /**
242     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
243     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
244     * component or application is in its default enabled state (as specified
245     * in its manifest).
246     */
247    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
248
249    /**
250     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
251     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
252     * component or application has been explictily enabled, regardless of
253     * what it has specified in its manifest.
254     */
255    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
256
257    /**
258     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
259     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
260     * component or application has been explicitly disabled, regardless of
261     * what it has specified in its manifest.
262     */
263    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
264
265    /**
266     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
267     * user has explicitly disabled the application, regardless of what it has
268     * specified in its manifest.  Because this is due to the user's request,
269     * they may re-enable it if desired through the appropriate system UI.  This
270     * option currently <strong>cannot</strong> be used with
271     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
272     */
273    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
274
275    /**
276     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
277     * application should be considered, until the point where the user actually
278     * wants to use it.  This means that it will not normally show up to the user
279     * (such as in the launcher), but various parts of the user interface can
280     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
281     * the user to select it (as for example an IME, device admin, etc).  Such code,
282     * once the user has selected the app, should at that point also make it enabled.
283     * This option currently <strong>can not</strong> be used with
284     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
285     */
286    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
287
288    /**
289     * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
290     * indicate that this package should be installed as forward locked, i.e. only the app itself
291     * should have access to its code and non-resource assets.
292     * @hide
293     */
294    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
295
296    /**
297     * Flag parameter for {@link #installPackage} to indicate that you want to replace an already
298     * installed package, if one exists.
299     * @hide
300     */
301    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
302
303    /**
304     * Flag parameter for {@link #installPackage} to indicate that you want to
305     * allow test packages (those that have set android:testOnly in their
306     * manifest) to be installed.
307     * @hide
308     */
309    public static final int INSTALL_ALLOW_TEST = 0x00000004;
310
311    /**
312     * Flag parameter for {@link #installPackage} to indicate that this
313     * package has to be installed on the sdcard.
314     * @hide
315     */
316    public static final int INSTALL_EXTERNAL = 0x00000008;
317
318    /**
319     * Flag parameter for {@link #installPackage} to indicate that this package
320     * has to be installed on the sdcard.
321     * @hide
322     */
323    public static final int INSTALL_INTERNAL = 0x00000010;
324
325    /**
326     * Flag parameter for {@link #installPackage} to indicate that this install
327     * was initiated via ADB.
328     *
329     * @hide
330     */
331    public static final int INSTALL_FROM_ADB = 0x00000020;
332
333    /**
334     * Flag parameter for {@link #installPackage} to indicate that this install
335     * should immediately be visible to all users.
336     *
337     * @hide
338     */
339    public static final int INSTALL_ALL_USERS = 0x00000040;
340
341    /**
342     * Flag parameter for {@link #installPackage} to indicate that it is okay
343     * to install an update to an app where the newly installed app has a lower
344     * version code than the currently installed app.
345     *
346     * @hide
347     */
348    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
349
350    /**
351     * Flag parameter for
352     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
353     * that you don't want to kill the app containing the component.  Be careful when you set this
354     * since changing component states can make the containing application's behavior unpredictable.
355     */
356    public static final int DONT_KILL_APP = 0x00000001;
357
358    /**
359     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
360     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
361     * @hide
362     */
363    public static final int INSTALL_SUCCEEDED = 1;
364
365    /**
366     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
367     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
368     * already installed.
369     * @hide
370     */
371    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
372
373    /**
374     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
375     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
376     * file is invalid.
377     * @hide
378     */
379    public static final int INSTALL_FAILED_INVALID_APK = -2;
380
381    /**
382     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
383     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
384     * is invalid.
385     * @hide
386     */
387    public static final int INSTALL_FAILED_INVALID_URI = -3;
388
389    /**
390     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
391     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
392     * service found that the device didn't have enough storage space to install the app.
393     * @hide
394     */
395    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
396
397    /**
398     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
399     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
400     * package is already installed with the same name.
401     * @hide
402     */
403    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
404
405    /**
406     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
407     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
408     * the requested shared user does not exist.
409     * @hide
410     */
411    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
412
413    /**
414     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
415     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
416     * a previously installed package of the same name has a different signature
417     * than the new package (and the old package's data was not removed).
418     * @hide
419     */
420    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
421
422    /**
423     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
424     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
425     * the new package is requested a shared user which is already installed on the
426     * device and does not have matching signature.
427     * @hide
428     */
429    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
430
431    /**
432     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
433     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
434     * the new package uses a shared library that is not available.
435     * @hide
436     */
437    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
438
439    /**
440     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
441     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
442     * the new package uses a shared library that is not available.
443     * @hide
444     */
445    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
446
447    /**
448     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
449     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
450     * the new package failed while optimizing and validating its dex files,
451     * either because there was not enough storage or the validation failed.
452     * @hide
453     */
454    public static final int INSTALL_FAILED_DEXOPT = -11;
455
456    /**
457     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
458     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
459     * the new package failed because the current SDK version is older than
460     * that required by the package.
461     * @hide
462     */
463    public static final int INSTALL_FAILED_OLDER_SDK = -12;
464
465    /**
466     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
467     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
468     * the new package failed because it contains a content provider with the
469     * same authority as a provider already installed in the system.
470     * @hide
471     */
472    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
473
474    /**
475     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
476     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
477     * the new package failed because the current SDK version is newer than
478     * that required by the package.
479     * @hide
480     */
481    public static final int INSTALL_FAILED_NEWER_SDK = -14;
482
483    /**
484     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
485     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
486     * the new package failed because it has specified that it is a test-only
487     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
488     * flag.
489     * @hide
490     */
491    public static final int INSTALL_FAILED_TEST_ONLY = -15;
492
493    /**
494     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
495     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
496     * the package being installed contains native code, but none that is
497     * compatible with the the device's CPU_ABI.
498     * @hide
499     */
500    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
501
502    /**
503     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
504     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
505     * the new package uses a feature that is not available.
506     * @hide
507     */
508    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
509
510    // ------ Errors related to sdcard
511    /**
512     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
513     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
514     * a secure container mount point couldn't be accessed on external media.
515     * @hide
516     */
517    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
518
519    /**
520     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
521     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
522     * the new package couldn't be installed in the specified install
523     * location.
524     * @hide
525     */
526    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
527
528    /**
529     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
530     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
531     * the new package couldn't be installed in the specified install
532     * location because the media is not available.
533     * @hide
534     */
535    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
536
537    /**
538     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
539     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
540     * the new package couldn't be installed because the verification timed out.
541     * @hide
542     */
543    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
544
545    /**
546     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
547     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
548     * the new package couldn't be installed because the verification did not succeed.
549     * @hide
550     */
551    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
552
553    /**
554     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
555     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
556     * the package changed from what the calling program expected.
557     * @hide
558     */
559    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
560
561    /**
562     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
563     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
564     * the new package is assigned a different UID than it previously held.
565     * @hide
566     */
567    public static final int INSTALL_FAILED_UID_CHANGED = -24;
568
569    /**
570     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
571     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
572     * the new package has an older version code than the currently installed package.
573     * @hide
574     */
575    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
576
577    /**
578     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
579     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
580     * if the parser was given a path that is not a file, or does not end with the expected
581     * '.apk' extension.
582     * @hide
583     */
584    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
585
586    /**
587     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
588     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
589     * if the parser was unable to retrieve the AndroidManifest.xml file.
590     * @hide
591     */
592    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
593
594    /**
595     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
596     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
597     * if the parser encountered an unexpected exception.
598     * @hide
599     */
600    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
601
602    /**
603     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
604     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
605     * if the parser did not find any certificates in the .apk.
606     * @hide
607     */
608    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
609
610    /**
611     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
612     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
613     * if the parser found inconsistent certificates on the files in the .apk.
614     * @hide
615     */
616    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
617
618    /**
619     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
620     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
621     * if the parser encountered a CertificateEncodingException in one of the
622     * files in the .apk.
623     * @hide
624     */
625    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
626
627    /**
628     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
629     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
630     * if the parser encountered a bad or missing package name in the manifest.
631     * @hide
632     */
633    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
634
635    /**
636     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
637     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
638     * if the parser encountered a bad shared user id name in the manifest.
639     * @hide
640     */
641    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
642
643    /**
644     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
645     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
646     * if the parser encountered some structural problem in the manifest.
647     * @hide
648     */
649    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
650
651    /**
652     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
653     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
654     * if the parser did not find any actionable tags (instrumentation or application)
655     * in the manifest.
656     * @hide
657     */
658    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
659
660    /**
661     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
662     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
663     * if the system failed to install the package because of system issues.
664     * @hide
665     */
666    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
667
668    /**
669     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
670     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
671     * if the system failed to install the package because the user is restricted from installing
672     * apps.
673     * @hide
674     */
675    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
676
677    /**
678     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
679     * package's data directory.
680     *
681     * @hide
682     */
683    public static final int DELETE_KEEP_DATA = 0x00000001;
684
685    /**
686     * Flag parameter for {@link #deletePackage} to indicate that you want the
687     * package deleted for all users.
688     *
689     * @hide
690     */
691    public static final int DELETE_ALL_USERS = 0x00000002;
692
693    /**
694     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
695     * uninstall on a system that has been updated, then don't do the normal process
696     * of uninstalling the update and rolling back to the older system version (which
697     * needs to happen for all users); instead, just mark the app as uninstalled for
698     * the current user.
699     *
700     * @hide
701     */
702    public static final int DELETE_SYSTEM_APP = 0x00000004;
703
704    /**
705     * Return code for when package deletion succeeds. This is passed to the
706     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
707     * succeeded in deleting the package.
708     *
709     * @hide
710     */
711    public static final int DELETE_SUCCEEDED = 1;
712
713    /**
714     * Deletion failed return code: this is passed to the
715     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
716     * failed to delete the package for an unspecified reason.
717     *
718     * @hide
719     */
720    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
721
722    /**
723     * Deletion failed return code: this is passed to the
724     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
725     * failed to delete the package because it is the active DevicePolicy
726     * manager.
727     *
728     * @hide
729     */
730    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
731
732    /**
733     * Deletion failed return code: this is passed to the
734     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
735     * failed to delete the package since the user is restricted.
736     *
737     * @hide
738     */
739    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
740
741    /**
742     * Return code that is passed to the {@link IPackageMoveObserver} by
743     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
744     * package has been successfully moved by the system.
745     *
746     * @hide
747     */
748    public static final int MOVE_SUCCEEDED = 1;
749    /**
750     * Error code that is passed to the {@link IPackageMoveObserver} by
751     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
752     * when the package hasn't been successfully moved by the system
753     * because of insufficient memory on specified media.
754     * @hide
755     */
756    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
757
758    /**
759     * Error code that is passed to the {@link IPackageMoveObserver} by
760     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
761     * if the specified package doesn't exist.
762     * @hide
763     */
764    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
765
766    /**
767     * Error code that is passed to the {@link IPackageMoveObserver} by
768     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
769     * if the specified package cannot be moved since its a system package.
770     * @hide
771     */
772    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
773
774    /**
775     * Error code that is passed to the {@link IPackageMoveObserver} by
776     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
777     * if the specified package cannot be moved since its forward locked.
778     * @hide
779     */
780    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
781
782    /**
783     * Error code that is passed to the {@link IPackageMoveObserver} by
784     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
785     * if the specified package cannot be moved to the specified location.
786     * @hide
787     */
788    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
789
790    /**
791     * Error code that is passed to the {@link IPackageMoveObserver} by
792     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
793     * if the specified package cannot be moved to the specified location.
794     * @hide
795     */
796    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
797
798    /**
799     * Error code that is passed to the {@link IPackageMoveObserver} by
800     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
801     * specified package already has an operation pending in the
802     * {@link PackageHandler} queue.
803     *
804     * @hide
805     */
806    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
807
808    /**
809     * Flag parameter for {@link #movePackage} to indicate that
810     * the package should be moved to internal storage if its
811     * been installed on external media.
812     * @hide
813     */
814    public static final int MOVE_INTERNAL = 0x00000001;
815
816    /**
817     * Flag parameter for {@link #movePackage} to indicate that
818     * the package should be moved to external media.
819     * @hide
820     */
821    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
822
823    /**
824     * Usable by the required verifier as the {@code verificationCode} argument
825     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
826     * allow the installation to proceed without any of the optional verifiers
827     * needing to vote.
828     *
829     * @hide
830     */
831    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
832
833    /**
834     * Used as the {@code verificationCode} argument for
835     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
836     * package verifier allows the installation to proceed.
837     */
838    public static final int VERIFICATION_ALLOW = 1;
839
840    /**
841     * Used as the {@code verificationCode} argument for
842     * {@link PackageManager#verifyPendingInstall} to indicate the calling
843     * package verifier does not vote to allow the installation to proceed.
844     */
845    public static final int VERIFICATION_REJECT = -1;
846
847    /**
848     * Can be used as the {@code millisecondsToDelay} argument for
849     * {@link PackageManager#extendVerificationTimeout}. This is the
850     * maximum time {@code PackageManager} waits for the verification
851     * agent to return (in milliseconds).
852     */
853    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
854
855    /**
856     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
857     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
858     * lag in sound input or output.
859     */
860    @SdkConstant(SdkConstantType.FEATURE)
861    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
862
863    /**
864     * Feature for {@link #getSystemAvailableFeatures} and
865     * {@link #hasSystemFeature}: The device is capable of communicating with
866     * other devices via Bluetooth.
867     */
868    @SdkConstant(SdkConstantType.FEATURE)
869    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
870
871    /**
872     * Feature for {@link #getSystemAvailableFeatures} and
873     * {@link #hasSystemFeature}: The device is capable of communicating with
874     * other devices via Bluetooth Low Energy radio.
875     */
876    @SdkConstant(SdkConstantType.FEATURE)
877    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
878
879    /**
880     * Feature for {@link #getSystemAvailableFeatures} and
881     * {@link #hasSystemFeature}: The device has a camera facing away
882     * from the screen.
883     */
884    @SdkConstant(SdkConstantType.FEATURE)
885    public static final String FEATURE_CAMERA = "android.hardware.camera";
886
887    /**
888     * Feature for {@link #getSystemAvailableFeatures} and
889     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
890     */
891    @SdkConstant(SdkConstantType.FEATURE)
892    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
893
894    /**
895     * Feature for {@link #getSystemAvailableFeatures} and
896     * {@link #hasSystemFeature}: The device has at least one camera pointing in
897     * some direction, or can support an external camera being connected to it.
898     */
899    @SdkConstant(SdkConstantType.FEATURE)
900    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
901
902    /**
903     * Feature for {@link #getSystemAvailableFeatures} and
904     * {@link #hasSystemFeature}: The device can support having an external camera connected to it.
905     * The external camera may not always be connected or available to applications to use.
906     */
907    @SdkConstant(SdkConstantType.FEATURE)
908    public static final String FEATURE_CAMERA_EXTERNAL = "android.hardware.camera.external";
909
910    /**
911     * Feature for {@link #getSystemAvailableFeatures} and
912     * {@link #hasSystemFeature}: The device's camera supports flash.
913     */
914    @SdkConstant(SdkConstantType.FEATURE)
915    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
916
917    /**
918     * Feature for {@link #getSystemAvailableFeatures} and
919     * {@link #hasSystemFeature}: The device has a front facing camera.
920     */
921    @SdkConstant(SdkConstantType.FEATURE)
922    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
923
924    /**
925     * Feature for {@link #getSystemAvailableFeatures} and
926     * {@link #hasSystemFeature}: The device is capable of communicating with
927     * consumer IR devices.
928     */
929    @SdkConstant(SdkConstantType.FEATURE)
930    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
931
932    /**
933     * Feature for {@link #getSystemAvailableFeatures} and
934     * {@link #hasSystemFeature}: The device supports one or more methods of
935     * reporting current location.
936     */
937    @SdkConstant(SdkConstantType.FEATURE)
938    public static final String FEATURE_LOCATION = "android.hardware.location";
939
940    /**
941     * Feature for {@link #getSystemAvailableFeatures} and
942     * {@link #hasSystemFeature}: The device has a Global Positioning System
943     * receiver and can report precise location.
944     */
945    @SdkConstant(SdkConstantType.FEATURE)
946    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
947
948    /**
949     * Feature for {@link #getSystemAvailableFeatures} and
950     * {@link #hasSystemFeature}: The device can report location with coarse
951     * accuracy using a network-based geolocation system.
952     */
953    @SdkConstant(SdkConstantType.FEATURE)
954    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
955
956    /**
957     * Feature for {@link #getSystemAvailableFeatures} and
958     * {@link #hasSystemFeature}: The device can record audio via a
959     * microphone.
960     */
961    @SdkConstant(SdkConstantType.FEATURE)
962    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
963
964    /**
965     * Feature for {@link #getSystemAvailableFeatures} and
966     * {@link #hasSystemFeature}: The device can communicate using Near-Field
967     * Communications (NFC).
968     */
969    @SdkConstant(SdkConstantType.FEATURE)
970    public static final String FEATURE_NFC = "android.hardware.nfc";
971
972    /**
973     * Feature for {@link #getSystemAvailableFeatures} and
974     * {@link #hasSystemFeature}: The device supports host-
975     * based NFC card emulation.
976     *
977     * TODO remove when depending apps have moved to new constant.
978     * @hide
979     * @deprecated
980     */
981    @Deprecated
982    @SdkConstant(SdkConstantType.FEATURE)
983    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
984
985    /**
986     * Feature for {@link #getSystemAvailableFeatures} and
987     * {@link #hasSystemFeature}: The device supports host-
988     * based NFC card emulation.
989     */
990    @SdkConstant(SdkConstantType.FEATURE)
991    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
992
993    /**
994     * Feature for {@link #getSystemAvailableFeatures} and
995     * {@link #hasSystemFeature}: The device includes an accelerometer.
996     */
997    @SdkConstant(SdkConstantType.FEATURE)
998    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
999
1000    /**
1001     * Feature for {@link #getSystemAvailableFeatures} and
1002     * {@link #hasSystemFeature}: The device includes a barometer (air
1003     * pressure sensor.)
1004     */
1005    @SdkConstant(SdkConstantType.FEATURE)
1006    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1007
1008    /**
1009     * Feature for {@link #getSystemAvailableFeatures} and
1010     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1011     */
1012    @SdkConstant(SdkConstantType.FEATURE)
1013    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1014
1015    /**
1016     * Feature for {@link #getSystemAvailableFeatures} and
1017     * {@link #hasSystemFeature}: The device includes a gyroscope.
1018     */
1019    @SdkConstant(SdkConstantType.FEATURE)
1020    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1021
1022    /**
1023     * Feature for {@link #getSystemAvailableFeatures} and
1024     * {@link #hasSystemFeature}: The device includes a light sensor.
1025     */
1026    @SdkConstant(SdkConstantType.FEATURE)
1027    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1028
1029    /**
1030     * Feature for {@link #getSystemAvailableFeatures} and
1031     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1032     */
1033    @SdkConstant(SdkConstantType.FEATURE)
1034    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1035
1036    /**
1037     * Feature for {@link #getSystemAvailableFeatures} and
1038     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1039     */
1040    @SdkConstant(SdkConstantType.FEATURE)
1041    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1042
1043    /**
1044     * Feature for {@link #getSystemAvailableFeatures} and
1045     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1046     */
1047    @SdkConstant(SdkConstantType.FEATURE)
1048    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1049
1050    /**
1051     * Feature for {@link #getSystemAvailableFeatures} and
1052     * {@link #hasSystemFeature}: The device includes a heart rate monitor.
1053     */
1054    @SdkConstant(SdkConstantType.FEATURE)
1055    public static final String FEATURE_SENSOR_HEART_RATE = "android.hardware.sensor.heartrate";
1056
1057    /**
1058     * Feature for {@link #getSystemAvailableFeatures} and
1059     * {@link #hasSystemFeature}: The device has a telephony radio with data
1060     * communication support.
1061     */
1062    @SdkConstant(SdkConstantType.FEATURE)
1063    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1064
1065    /**
1066     * Feature for {@link #getSystemAvailableFeatures} and
1067     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1068     */
1069    @SdkConstant(SdkConstantType.FEATURE)
1070    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1071
1072    /**
1073     * Feature for {@link #getSystemAvailableFeatures} and
1074     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1075     */
1076    @SdkConstant(SdkConstantType.FEATURE)
1077    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1078
1079    /**
1080     * Feature for {@link #getSystemAvailableFeatures} and
1081     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1082     * as the USB host.
1083     */
1084    @SdkConstant(SdkConstantType.FEATURE)
1085    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1086
1087    /**
1088     * Feature for {@link #getSystemAvailableFeatures} and
1089     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1090     */
1091    @SdkConstant(SdkConstantType.FEATURE)
1092    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1093
1094    /**
1095     * Feature for {@link #getSystemAvailableFeatures} and
1096     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1097     */
1098    @SdkConstant(SdkConstantType.FEATURE)
1099    public static final String FEATURE_SIP = "android.software.sip";
1100
1101    /**
1102     * Feature for {@link #getSystemAvailableFeatures} and
1103     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1104     */
1105    @SdkConstant(SdkConstantType.FEATURE)
1106    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1107
1108    /**
1109     * Feature for {@link #getSystemAvailableFeatures} and
1110     * {@link #hasSystemFeature}: The device's display has a touch screen.
1111     */
1112    @SdkConstant(SdkConstantType.FEATURE)
1113    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1114
1115
1116    /**
1117     * Feature for {@link #getSystemAvailableFeatures} and
1118     * {@link #hasSystemFeature}: The device's touch screen supports
1119     * multitouch sufficient for basic two-finger gesture detection.
1120     */
1121    @SdkConstant(SdkConstantType.FEATURE)
1122    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1123
1124    /**
1125     * Feature for {@link #getSystemAvailableFeatures} and
1126     * {@link #hasSystemFeature}: The device's touch screen is capable of
1127     * tracking two or more fingers fully independently.
1128     */
1129    @SdkConstant(SdkConstantType.FEATURE)
1130    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1131
1132    /**
1133     * Feature for {@link #getSystemAvailableFeatures} and
1134     * {@link #hasSystemFeature}: The device's touch screen is capable of
1135     * tracking a full hand of fingers fully independently -- that is, 5 or
1136     * more simultaneous independent pointers.
1137     */
1138    @SdkConstant(SdkConstantType.FEATURE)
1139    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1140
1141    /**
1142     * Feature for {@link #getSystemAvailableFeatures} and
1143     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1144     * does support touch emulation for basic events. For instance, the
1145     * device might use a mouse or remote control to drive a cursor, and
1146     * emulate basic touch pointer events like down, up, drag, etc. All
1147     * devices that support android.hardware.touchscreen or a sub-feature are
1148     * presumed to also support faketouch.
1149     */
1150    @SdkConstant(SdkConstantType.FEATURE)
1151    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1152
1153    /**
1154     * Feature for {@link #getSystemAvailableFeatures} and
1155     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1156     * does support touch emulation for basic events that supports distinct
1157     * tracking of two or more fingers.  This is an extension of
1158     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1159     * that unlike a distinct multitouch screen as defined by
1160     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1161     * devices will not actually provide full two-finger gestures since the
1162     * input is being transformed to cursor movement on the screen.  That is,
1163     * single finger gestures will move a cursor; two-finger swipes will
1164     * result in single-finger touch events; other two-finger gestures will
1165     * result in the corresponding two-finger touch event.
1166     */
1167    @SdkConstant(SdkConstantType.FEATURE)
1168    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1169
1170    /**
1171     * Feature for {@link #getSystemAvailableFeatures} and
1172     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1173     * does support touch emulation for basic events that supports tracking
1174     * a hand of fingers (5 or more fingers) fully independently.
1175     * This is an extension of
1176     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1177     * that unlike a multitouch screen as defined by
1178     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1179     * gestures can be detected due to the limitations described for
1180     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1181     */
1182    @SdkConstant(SdkConstantType.FEATURE)
1183    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1184
1185    /**
1186     * Feature for {@link #getSystemAvailableFeatures} and
1187     * {@link #hasSystemFeature}: The device supports portrait orientation
1188     * screens.  For backwards compatibility, you can assume that if neither
1189     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1190     * both portrait and landscape.
1191     */
1192    @SdkConstant(SdkConstantType.FEATURE)
1193    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1194
1195    /**
1196     * Feature for {@link #getSystemAvailableFeatures} and
1197     * {@link #hasSystemFeature}: The device supports landscape orientation
1198     * screens.  For backwards compatibility, you can assume that if neither
1199     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1200     * both portrait and landscape.
1201     */
1202    @SdkConstant(SdkConstantType.FEATURE)
1203    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1204
1205    /**
1206     * Feature for {@link #getSystemAvailableFeatures} and
1207     * {@link #hasSystemFeature}: The device supports live wallpapers.
1208     */
1209    @SdkConstant(SdkConstantType.FEATURE)
1210    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1211
1212    /**
1213     * Feature for {@link #getSystemAvailableFeatures} and
1214     * {@link #hasSystemFeature}: The device supports app widgets.
1215     */
1216    @SdkConstant(SdkConstantType.FEATURE)
1217    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1218
1219    /**
1220     * Feature for {@link #getSystemAvailableFeatures} and
1221     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1222     * by third party applications.
1223     */
1224    @SdkConstant(SdkConstantType.FEATURE)
1225    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1226
1227    /**
1228     * Feature for {@link #getSystemAvailableFeatures} and
1229     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1230     * with the {@link android.inputmethodservice.InputMethodService} API.
1231     */
1232    @SdkConstant(SdkConstantType.FEATURE)
1233    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1234
1235    /**
1236     * Feature for {@link #getSystemAvailableFeatures} and
1237     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1238     */
1239    @SdkConstant(SdkConstantType.FEATURE)
1240    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1241
1242    /**
1243     * Feature for {@link #getSystemAvailableFeatures} and
1244     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1245     * typically used in a living room television experience, but is a software
1246     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1247     * feature will use resources associated with the "television" UI mode.
1248     */
1249    @SdkConstant(SdkConstantType.FEATURE)
1250    public static final String FEATURE_LEANBACK = "android.software.leanback";
1251
1252    /**
1253     * Feature for {@link #getSystemAvailableFeatures} and
1254     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1255     * applications designed for this experience should be run, though this is
1256     * not enforced by the system.
1257     * @hide
1258     */
1259    @SdkConstant(SdkConstantType.FEATURE)
1260    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1261
1262    /**
1263     * Feature for {@link #getSystemAvailableFeatures} and
1264     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1265     */
1266    @SdkConstant(SdkConstantType.FEATURE)
1267    public static final String FEATURE_WIFI = "android.hardware.wifi";
1268
1269    /**
1270     * Feature for {@link #getSystemAvailableFeatures} and
1271     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1272     */
1273    @SdkConstant(SdkConstantType.FEATURE)
1274    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1275
1276    /**
1277     * Feature for {@link #getSystemAvailableFeatures} and
1278     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1279     * on a television.  Television here is defined to be a typical living
1280     * room television experience: displayed on a big screen, where the user
1281     * is sitting far away from it, and the dominant form of input will be
1282     * something like a DPAD, not through touch or mouse.
1283     * @deprecated use {@link #FEATURE_LEANBACK} instead.
1284     */
1285    @Deprecated
1286    @SdkConstant(SdkConstantType.FEATURE)
1287    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1288
1289    /**
1290     * Feature for {@link #getSystemAvailableFeatures} and
1291     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1292     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1293     * the wrist. The user is very close when interacting with the device.
1294     */
1295    @SdkConstant(SdkConstantType.FEATURE)
1296    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1297
1298    /**
1299     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1300     * The device supports printing.
1301     */
1302    @SdkConstant(SdkConstantType.FEATURE)
1303    public static final String FEATURE_PRINTING = "android.software.print";
1304
1305    /**
1306     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1307     * The device can perform backup and restore operations on installed applications.
1308     */
1309    @SdkConstant(SdkConstantType.FEATURE)
1310    public static final String FEATURE_BACKUP = "android.software.backup";
1311
1312    /**
1313     * Action to external storage service to clean out removed apps.
1314     * @hide
1315     */
1316    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1317            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1318
1319    /**
1320     * Extra field name for the URI to a verification file. Passed to a package
1321     * verifier.
1322     *
1323     * @hide
1324     */
1325    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1326
1327    /**
1328     * Extra field name for the ID of a package pending verification. Passed to
1329     * a package verifier and is used to call back to
1330     * {@link PackageManager#verifyPendingInstall(int, int)}
1331     */
1332    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1333
1334    /**
1335     * Extra field name for the package identifier which is trying to install
1336     * the package.
1337     *
1338     * @hide
1339     */
1340    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1341            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1342
1343    /**
1344     * Extra field name for the requested install flags for a package pending
1345     * verification. Passed to a package verifier.
1346     *
1347     * @hide
1348     */
1349    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1350            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1351
1352    /**
1353     * Extra field name for the uid of who is requesting to install
1354     * the package.
1355     *
1356     * @hide
1357     */
1358    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1359            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1360
1361    /**
1362     * Extra field name for the package name of a package pending verification.
1363     *
1364     * @hide
1365     */
1366    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1367            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1368    /**
1369     * Extra field name for the result of a verification, either
1370     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1371     * Passed to package verifiers after a package is verified.
1372     */
1373    public static final String EXTRA_VERIFICATION_RESULT
1374            = "android.content.pm.extra.VERIFICATION_RESULT";
1375
1376    /**
1377     * Extra field name for the version code of a package pending verification.
1378     *
1379     * @hide
1380     */
1381    public static final String EXTRA_VERIFICATION_VERSION_CODE
1382            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1383
1384    /**
1385     * The action used to request that the user approve a permission request
1386     * from the application.
1387     *
1388     * @hide
1389     */
1390    public static final String ACTION_REQUEST_PERMISSION
1391            = "android.content.pm.action.REQUEST_PERMISSION";
1392
1393    /**
1394     * Extra field name for the list of permissions, which the user must approve.
1395     *
1396     * @hide
1397     */
1398    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1399            = "android.content.pm.extra.PERMISSION_LIST";
1400
1401    /**
1402     * Retrieve overall information about an application package that is
1403     * installed on the system.
1404     * <p>
1405     * Throws {@link NameNotFoundException} if a package with the given name can
1406     * not be found on the system.
1407     *
1408     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1409     *            desired package.
1410     * @param flags Additional option flags. Use any combination of
1411     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1412     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1413     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1414     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1415     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1416     *            modify the data returned.
1417     * @return Returns a PackageInfo object containing information about the
1418     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1419     *         package is not found in the list of installed applications, the
1420     *         package information is retrieved from the list of uninstalled
1421     *         applications (which includes installed applications as well as
1422     *         applications with data directory i.e. applications which had been
1423     *         deleted with {@code DONT_DELETE_DATA} flag set).
1424     * @see #GET_ACTIVITIES
1425     * @see #GET_GIDS
1426     * @see #GET_CONFIGURATIONS
1427     * @see #GET_INSTRUMENTATION
1428     * @see #GET_PERMISSIONS
1429     * @see #GET_PROVIDERS
1430     * @see #GET_RECEIVERS
1431     * @see #GET_SERVICES
1432     * @see #GET_SIGNATURES
1433     * @see #GET_UNINSTALLED_PACKAGES
1434     */
1435    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1436            throws NameNotFoundException;
1437
1438    /**
1439     * Map from the current package names in use on the device to whatever
1440     * the current canonical name of that package is.
1441     * @param names Array of current names to be mapped.
1442     * @return Returns an array of the same size as the original, containing
1443     * the canonical name for each package.
1444     */
1445    public abstract String[] currentToCanonicalPackageNames(String[] names);
1446
1447    /**
1448     * Map from a packages canonical name to the current name in use on the device.
1449     * @param names Array of new names to be mapped.
1450     * @return Returns an array of the same size as the original, containing
1451     * the current name for each package.
1452     */
1453    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1454
1455    /**
1456     * Return a "good" intent to launch a front-door activity in a package,
1457     * for use for example to implement an "open" button when browsing through
1458     * packages.  The current implementation will look first for a main
1459     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1460     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1461     * null if neither are found.
1462     *
1463     * <p>Throws {@link NameNotFoundException} if a package with the given
1464     * name cannot be found on the system.
1465     *
1466     * @param packageName The name of the package to inspect.
1467     *
1468     * @return Returns either a fully-qualified Intent that can be used to
1469     * launch the main activity in the package, or null if the package does
1470     * not contain such an activity.
1471     */
1472    public abstract Intent getLaunchIntentForPackage(String packageName);
1473
1474    /**
1475     * Return a "good" intent to launch a front-door Leanback activity in a
1476     * package, for use for example to implement an "open" button when browsing
1477     * through packages. The current implementation will look for a main
1478     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
1479     * return null if no main leanback activities are found.
1480     * <p>
1481     * Throws {@link NameNotFoundException} if a package with the given name
1482     * cannot be found on the system.
1483     *
1484     * @param packageName The name of the package to inspect.
1485     * @return Returns either a fully-qualified Intent that can be used to launch
1486     *         the main Leanback activity in the package, or null if the package
1487     *         does not contain such an activity.
1488     */
1489    public abstract Intent getLeanbackLaunchIntentForPackage(String packageName);
1490
1491    /**
1492     * Return an array of all of the secondary group-ids that have been assigned
1493     * to a package.
1494     * <p>
1495     * Throws {@link NameNotFoundException} if a package with the given name
1496     * cannot be found on the system.
1497     *
1498     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1499     *            desired package.
1500     * @return Returns an int array of the assigned gids, or null if there are
1501     *         none.
1502     */
1503    public abstract int[] getPackageGids(String packageName)
1504            throws NameNotFoundException;
1505
1506    /**
1507     * @hide Return the uid associated with the given package name for the
1508     * given user.
1509     *
1510     * <p>Throws {@link NameNotFoundException} if a package with the given
1511     * name can not be found on the system.
1512     *
1513     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1514     *                    desired package.
1515     * @param userHandle The user handle identifier to look up the package under.
1516     *
1517     * @return Returns an integer uid who owns the given package name.
1518     */
1519    public abstract int getPackageUid(String packageName, int userHandle)
1520            throws NameNotFoundException;
1521
1522    /**
1523     * Retrieve all of the information we know about a particular permission.
1524     *
1525     * <p>Throws {@link NameNotFoundException} if a permission with the given
1526     * name cannot be found on the system.
1527     *
1528     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1529     *             of the permission you are interested in.
1530     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1531     * retrieve any meta-data associated with the permission.
1532     *
1533     * @return Returns a {@link PermissionInfo} containing information about the
1534     *         permission.
1535     */
1536    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1537            throws NameNotFoundException;
1538
1539    /**
1540     * Query for all of the permissions associated with a particular group.
1541     *
1542     * <p>Throws {@link NameNotFoundException} if the given group does not
1543     * exist.
1544     *
1545     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1546     *             of the permission group you are interested in.  Use null to
1547     *             find all of the permissions not associated with a group.
1548     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1549     * retrieve any meta-data associated with the permissions.
1550     *
1551     * @return Returns a list of {@link PermissionInfo} containing information
1552     * about all of the permissions in the given group.
1553     */
1554    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1555            int flags) throws NameNotFoundException;
1556
1557    /**
1558     * Retrieve all of the information we know about a particular group of
1559     * permissions.
1560     *
1561     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1562     * name cannot be found on the system.
1563     *
1564     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1565     *             of the permission you are interested in.
1566     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1567     * retrieve any meta-data associated with the permission group.
1568     *
1569     * @return Returns a {@link PermissionGroupInfo} containing information
1570     * about the permission.
1571     */
1572    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1573            int flags) throws NameNotFoundException;
1574
1575    /**
1576     * Retrieve all of the known permission groups in the system.
1577     *
1578     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1579     * retrieve any meta-data associated with the permission group.
1580     *
1581     * @return Returns a list of {@link PermissionGroupInfo} containing
1582     * information about all of the known permission groups.
1583     */
1584    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1585
1586    /**
1587     * Retrieve all of the information we know about a particular
1588     * package/application.
1589     *
1590     * <p>Throws {@link NameNotFoundException} if an application with the given
1591     * package name cannot be found on the system.
1592     *
1593     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1594     *                    application.
1595     * @param flags Additional option flags. Use any combination of
1596     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1597     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1598     *
1599     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1600     *         information about the package.
1601     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1602     *         found in the list of installed applications,
1603     *         the application information is retrieved from the
1604     *         list of uninstalled applications(which includes
1605     *         installed applications as well as applications
1606     *         with data directory ie applications which had been
1607     *         deleted with {@code DONT_DELETE_DATA} flag set).
1608     *
1609     * @see #GET_META_DATA
1610     * @see #GET_SHARED_LIBRARY_FILES
1611     * @see #GET_UNINSTALLED_PACKAGES
1612     */
1613    public abstract ApplicationInfo getApplicationInfo(String packageName,
1614            int flags) throws NameNotFoundException;
1615
1616    /**
1617     * Retrieve all of the information we know about a particular activity
1618     * class.
1619     *
1620     * <p>Throws {@link NameNotFoundException} if an activity with the given
1621     * class name cannot be found on the system.
1622     *
1623     * @param component The full component name (i.e.
1624     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1625     * class.
1626     * @param flags Additional option flags. Use any combination of
1627     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1628     * to modify the data (in ApplicationInfo) returned.
1629     *
1630     * @return {@link ActivityInfo} containing information about the activity.
1631     *
1632     * @see #GET_INTENT_FILTERS
1633     * @see #GET_META_DATA
1634     * @see #GET_SHARED_LIBRARY_FILES
1635     */
1636    public abstract ActivityInfo getActivityInfo(ComponentName component,
1637            int flags) throws NameNotFoundException;
1638
1639    /**
1640     * Retrieve all of the information we know about a particular receiver
1641     * class.
1642     *
1643     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1644     * class name cannot be found on the system.
1645     *
1646     * @param component The full component name (i.e.
1647     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1648     * class.
1649     * @param flags Additional option flags.  Use any combination of
1650     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1651     * to modify the data returned.
1652     *
1653     * @return {@link ActivityInfo} containing information about the receiver.
1654     *
1655     * @see #GET_INTENT_FILTERS
1656     * @see #GET_META_DATA
1657     * @see #GET_SHARED_LIBRARY_FILES
1658     */
1659    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1660            int flags) throws NameNotFoundException;
1661
1662    /**
1663     * Retrieve all of the information we know about a particular service
1664     * class.
1665     *
1666     * <p>Throws {@link NameNotFoundException} if a service with the given
1667     * class name cannot be found on the system.
1668     *
1669     * @param component The full component name (i.e.
1670     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1671     * class.
1672     * @param flags Additional option flags.  Use any combination of
1673     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1674     * to modify the data returned.
1675     *
1676     * @return ServiceInfo containing information about the service.
1677     *
1678     * @see #GET_META_DATA
1679     * @see #GET_SHARED_LIBRARY_FILES
1680     */
1681    public abstract ServiceInfo getServiceInfo(ComponentName component,
1682            int flags) throws NameNotFoundException;
1683
1684    /**
1685     * Retrieve all of the information we know about a particular content
1686     * provider class.
1687     *
1688     * <p>Throws {@link NameNotFoundException} if a provider with the given
1689     * class name cannot be found on the system.
1690     *
1691     * @param component The full component name (i.e.
1692     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1693     * ContentProvider class.
1694     * @param flags Additional option flags.  Use any combination of
1695     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1696     * to modify the data returned.
1697     *
1698     * @return ProviderInfo containing information about the service.
1699     *
1700     * @see #GET_META_DATA
1701     * @see #GET_SHARED_LIBRARY_FILES
1702     */
1703    public abstract ProviderInfo getProviderInfo(ComponentName component,
1704            int flags) throws NameNotFoundException;
1705
1706    /**
1707     * Return a List of all packages that are installed
1708     * on the device.
1709     *
1710     * @param flags Additional option flags. Use any combination of
1711     * {@link #GET_ACTIVITIES},
1712     * {@link #GET_GIDS},
1713     * {@link #GET_CONFIGURATIONS},
1714     * {@link #GET_INSTRUMENTATION},
1715     * {@link #GET_PERMISSIONS},
1716     * {@link #GET_PROVIDERS},
1717     * {@link #GET_RECEIVERS},
1718     * {@link #GET_SERVICES},
1719     * {@link #GET_SIGNATURES},
1720     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1721     *
1722     * @return A List of PackageInfo objects, one for each package that is
1723     *         installed on the device.  In the unlikely case of there being no
1724     *         installed packages, an empty list is returned.
1725     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1726     *         applications including those deleted with {@code DONT_DELETE_DATA}
1727     *         (partially installed apps with data directory) will be returned.
1728     *
1729     * @see #GET_ACTIVITIES
1730     * @see #GET_GIDS
1731     * @see #GET_CONFIGURATIONS
1732     * @see #GET_INSTRUMENTATION
1733     * @see #GET_PERMISSIONS
1734     * @see #GET_PROVIDERS
1735     * @see #GET_RECEIVERS
1736     * @see #GET_SERVICES
1737     * @see #GET_SIGNATURES
1738     * @see #GET_UNINSTALLED_PACKAGES
1739     */
1740    public abstract List<PackageInfo> getInstalledPackages(int flags);
1741
1742    /**
1743     * Return a List of all installed packages that are currently
1744     * holding any of the given permissions.
1745     *
1746     * @param flags Additional option flags. Use any combination of
1747     * {@link #GET_ACTIVITIES},
1748     * {@link #GET_GIDS},
1749     * {@link #GET_CONFIGURATIONS},
1750     * {@link #GET_INSTRUMENTATION},
1751     * {@link #GET_PERMISSIONS},
1752     * {@link #GET_PROVIDERS},
1753     * {@link #GET_RECEIVERS},
1754     * {@link #GET_SERVICES},
1755     * {@link #GET_SIGNATURES},
1756     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1757     *
1758     * @return Returns a List of PackageInfo objects, one for each installed
1759     * application that is holding any of the permissions that were provided.
1760     *
1761     * @see #GET_ACTIVITIES
1762     * @see #GET_GIDS
1763     * @see #GET_CONFIGURATIONS
1764     * @see #GET_INSTRUMENTATION
1765     * @see #GET_PERMISSIONS
1766     * @see #GET_PROVIDERS
1767     * @see #GET_RECEIVERS
1768     * @see #GET_SERVICES
1769     * @see #GET_SIGNATURES
1770     * @see #GET_UNINSTALLED_PACKAGES
1771     */
1772    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1773            String[] permissions, int flags);
1774
1775    /**
1776     * Return a List of all packages that are installed on the device, for a specific user.
1777     * Requesting a list of installed packages for another user
1778     * will require the permission INTERACT_ACROSS_USERS_FULL.
1779     * @param flags Additional option flags. Use any combination of
1780     * {@link #GET_ACTIVITIES},
1781     * {@link #GET_GIDS},
1782     * {@link #GET_CONFIGURATIONS},
1783     * {@link #GET_INSTRUMENTATION},
1784     * {@link #GET_PERMISSIONS},
1785     * {@link #GET_PROVIDERS},
1786     * {@link #GET_RECEIVERS},
1787     * {@link #GET_SERVICES},
1788     * {@link #GET_SIGNATURES},
1789     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1790     * @param userId The user for whom the installed packages are to be listed
1791     *
1792     * @return A List of PackageInfo objects, one for each package that is
1793     *         installed on the device.  In the unlikely case of there being no
1794     *         installed packages, an empty list is returned.
1795     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1796     *         applications including those deleted with {@code DONT_DELETE_DATA}
1797     *         (partially installed apps with data directory) will be returned.
1798     *
1799     * @see #GET_ACTIVITIES
1800     * @see #GET_GIDS
1801     * @see #GET_CONFIGURATIONS
1802     * @see #GET_INSTRUMENTATION
1803     * @see #GET_PERMISSIONS
1804     * @see #GET_PROVIDERS
1805     * @see #GET_RECEIVERS
1806     * @see #GET_SERVICES
1807     * @see #GET_SIGNATURES
1808     * @see #GET_UNINSTALLED_PACKAGES
1809     *
1810     * @hide
1811     */
1812    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1813
1814    /**
1815     * Check whether a particular package has been granted a particular
1816     * permission.
1817     *
1818     * @param permName The name of the permission you are checking for,
1819     * @param pkgName The name of the package you are checking against.
1820     *
1821     * @return If the package has the permission, PERMISSION_GRANTED is
1822     * returned.  If it does not have the permission, PERMISSION_DENIED
1823     * is returned.
1824     *
1825     * @see #PERMISSION_GRANTED
1826     * @see #PERMISSION_DENIED
1827     */
1828    public abstract int checkPermission(String permName, String pkgName);
1829
1830    /**
1831     * Add a new dynamic permission to the system.  For this to work, your
1832     * package must have defined a permission tree through the
1833     * {@link android.R.styleable#AndroidManifestPermissionTree
1834     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1835     * permissions to trees that were defined by either its own package or
1836     * another with the same user id; a permission is in a tree if it
1837     * matches the name of the permission tree + ".": for example,
1838     * "com.foo.bar" is a member of the permission tree "com.foo".
1839     *
1840     * <p>It is good to make your permission tree name descriptive, because you
1841     * are taking possession of that entire set of permission names.  Thus, it
1842     * must be under a domain you control, with a suffix that will not match
1843     * any normal permissions that may be declared in any applications that
1844     * are part of that domain.
1845     *
1846     * <p>New permissions must be added before
1847     * any .apks are installed that use those permissions.  Permissions you
1848     * add through this method are remembered across reboots of the device.
1849     * If the given permission already exists, the info you supply here
1850     * will be used to update it.
1851     *
1852     * @param info Description of the permission to be added.
1853     *
1854     * @return Returns true if a new permission was created, false if an
1855     * existing one was updated.
1856     *
1857     * @throws SecurityException if you are not allowed to add the
1858     * given permission name.
1859     *
1860     * @see #removePermission(String)
1861     */
1862    public abstract boolean addPermission(PermissionInfo info);
1863
1864    /**
1865     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1866     * persists the package manager state after returning from the call,
1867     * allowing it to return quicker and batch a series of adds at the
1868     * expense of no guarantee the added permission will be retained if
1869     * the device is rebooted before it is written.
1870     */
1871    public abstract boolean addPermissionAsync(PermissionInfo info);
1872
1873    /**
1874     * Removes a permission that was previously added with
1875     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1876     * -- you are only allowed to remove permissions that you are allowed
1877     * to add.
1878     *
1879     * @param name The name of the permission to remove.
1880     *
1881     * @throws SecurityException if you are not allowed to remove the
1882     * given permission name.
1883     *
1884     * @see #addPermission(PermissionInfo)
1885     */
1886    public abstract void removePermission(String name);
1887
1888    /**
1889     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1890     * which prompts the user to grant {@code permissions} to this application.
1891     * @hide
1892     *
1893     * @throws NullPointerException if {@code permissions} is {@code null}.
1894     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1895     */
1896    public Intent buildPermissionRequestIntent(String... permissions) {
1897        if (permissions == null) {
1898            throw new NullPointerException("permissions cannot be null");
1899        }
1900        for (String permission : permissions) {
1901            if (permission == null) {
1902                throw new IllegalArgumentException("permissions cannot contain null");
1903            }
1904        }
1905
1906        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1907        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1908        i.setPackage("com.android.packageinstaller");
1909        return i;
1910    }
1911
1912    /**
1913     * Grant a permission to an application which the application does not
1914     * already have.  The permission must have been requested by the application,
1915     * but as an optional permission.  If the application is not allowed to
1916     * hold the permission, a SecurityException is thrown.
1917     * @hide
1918     *
1919     * @param packageName The name of the package that the permission will be
1920     * granted to.
1921     * @param permissionName The name of the permission.
1922     */
1923    public abstract void grantPermission(String packageName, String permissionName);
1924
1925    /**
1926     * Revoke a permission that was previously granted by {@link #grantPermission}.
1927     * @hide
1928     *
1929     * @param packageName The name of the package that the permission will be
1930     * granted to.
1931     * @param permissionName The name of the permission.
1932     */
1933    public abstract void revokePermission(String packageName, String permissionName);
1934
1935    /**
1936     * Compare the signatures of two packages to determine if the same
1937     * signature appears in both of them.  If they do contain the same
1938     * signature, then they are allowed special privileges when working
1939     * with each other: they can share the same user-id, run instrumentation
1940     * against each other, etc.
1941     *
1942     * @param pkg1 First package name whose signature will be compared.
1943     * @param pkg2 Second package name whose signature will be compared.
1944     *
1945     * @return Returns an integer indicating whether all signatures on the
1946     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1947     * all signatures match or < 0 if there is not a match ({@link
1948     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1949     *
1950     * @see #checkSignatures(int, int)
1951     * @see #SIGNATURE_MATCH
1952     * @see #SIGNATURE_NO_MATCH
1953     * @see #SIGNATURE_UNKNOWN_PACKAGE
1954     */
1955    public abstract int checkSignatures(String pkg1, String pkg2);
1956
1957    /**
1958     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
1959     * the two packages to be checked.  This can be useful, for example,
1960     * when doing the check in an IPC, where the UID is the only identity
1961     * available.  It is functionally identical to determining the package
1962     * associated with the UIDs and checking their signatures.
1963     *
1964     * @param uid1 First UID whose signature will be compared.
1965     * @param uid2 Second UID whose signature will be compared.
1966     *
1967     * @return Returns an integer indicating whether all signatures on the
1968     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1969     * all signatures match or < 0 if there is not a match ({@link
1970     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1971     *
1972     * @see #checkSignatures(String, String)
1973     * @see #SIGNATURE_MATCH
1974     * @see #SIGNATURE_NO_MATCH
1975     * @see #SIGNATURE_UNKNOWN_PACKAGE
1976     */
1977    public abstract int checkSignatures(int uid1, int uid2);
1978
1979    /**
1980     * Retrieve the names of all packages that are associated with a particular
1981     * user id.  In most cases, this will be a single package name, the package
1982     * that has been assigned that user id.  Where there are multiple packages
1983     * sharing the same user id through the "sharedUserId" mechanism, all
1984     * packages with that id will be returned.
1985     *
1986     * @param uid The user id for which you would like to retrieve the
1987     * associated packages.
1988     *
1989     * @return Returns an array of one or more packages assigned to the user
1990     * id, or null if there are no known packages with the given id.
1991     */
1992    public abstract String[] getPackagesForUid(int uid);
1993
1994    /**
1995     * Retrieve the official name associated with a user id.  This name is
1996     * guaranteed to never change, though it is possibly for the underlying
1997     * user id to be changed.  That is, if you are storing information about
1998     * user ids in persistent storage, you should use the string returned
1999     * by this function instead of the raw user-id.
2000     *
2001     * @param uid The user id for which you would like to retrieve a name.
2002     * @return Returns a unique name for the given user id, or null if the
2003     * user id is not currently assigned.
2004     */
2005    public abstract String getNameForUid(int uid);
2006
2007    /**
2008     * Return the user id associated with a shared user name. Multiple
2009     * applications can specify a shared user name in their manifest and thus
2010     * end up using a common uid. This might be used for new applications
2011     * that use an existing shared user name and need to know the uid of the
2012     * shared user.
2013     *
2014     * @param sharedUserName The shared user name whose uid is to be retrieved.
2015     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2016     * if the shared user name is not being used by any installed packages
2017     * @hide
2018     */
2019    public abstract int getUidForSharedUser(String sharedUserName)
2020            throws NameNotFoundException;
2021
2022    /**
2023     * Return a List of all application packages that are installed on the
2024     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2025     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2026     * installed apps with data directory) will be returned.
2027     *
2028     * @param flags Additional option flags. Use any combination of
2029     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2030     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2031     *
2032     * @return Returns a List of ApplicationInfo objects, one for each application that
2033     *         is installed on the device.  In the unlikely case of there being
2034     *         no installed applications, an empty list is returned.
2035     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2036     *         applications including those deleted with {@code DONT_DELETE_DATA}
2037     *         (partially installed apps with data directory) will be returned.
2038     *
2039     * @see #GET_META_DATA
2040     * @see #GET_SHARED_LIBRARY_FILES
2041     * @see #GET_UNINSTALLED_PACKAGES
2042     */
2043    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2044
2045    /**
2046     * Get a list of shared libraries that are available on the
2047     * system.
2048     *
2049     * @return An array of shared library names that are
2050     * available on the system, or null if none are installed.
2051     *
2052     */
2053    public abstract String[] getSystemSharedLibraryNames();
2054
2055    /**
2056     * Get a list of features that are available on the
2057     * system.
2058     *
2059     * @return An array of FeatureInfo classes describing the features
2060     * that are available on the system, or null if there are none(!!).
2061     */
2062    public abstract FeatureInfo[] getSystemAvailableFeatures();
2063
2064    /**
2065     * Check whether the given feature name is one of the available
2066     * features as returned by {@link #getSystemAvailableFeatures()}.
2067     *
2068     * @return Returns true if the devices supports the feature, else
2069     * false.
2070     */
2071    public abstract boolean hasSystemFeature(String name);
2072
2073    /**
2074     * Determine the best action to perform for a given Intent.  This is how
2075     * {@link Intent#resolveActivity} finds an activity if a class has not
2076     * been explicitly specified.
2077     *
2078     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2079     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2080     * only flag.  You need to do so to resolve the activity in the same way
2081     * that {@link android.content.Context#startActivity(Intent)} and
2082     * {@link android.content.Intent#resolveActivity(PackageManager)
2083     * Intent.resolveActivity(PackageManager)} do.</p>
2084     *
2085     * @param intent An intent containing all of the desired specification
2086     *               (action, data, type, category, and/or component).
2087     * @param flags Additional option flags.  The most important is
2088     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2089     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2090     *
2091     * @return Returns a ResolveInfo containing the final activity intent that
2092     *         was determined to be the best action.  Returns null if no
2093     *         matching activity was found. If multiple matching activities are
2094     *         found and there is no default set, returns a ResolveInfo
2095     *         containing something else, such as the activity resolver.
2096     *
2097     * @see #MATCH_DEFAULT_ONLY
2098     * @see #GET_INTENT_FILTERS
2099     * @see #GET_RESOLVED_FILTER
2100     */
2101    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2102
2103    /**
2104     * Determine the best action to perform for a given Intent for a given user. This
2105     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2106     * been explicitly specified.
2107     *
2108     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2109     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2110     * only flag.  You need to do so to resolve the activity in the same way
2111     * that {@link android.content.Context#startActivity(Intent)} and
2112     * {@link android.content.Intent#resolveActivity(PackageManager)
2113     * Intent.resolveActivity(PackageManager)} do.</p>
2114     *
2115     * @param intent An intent containing all of the desired specification
2116     *               (action, data, type, category, and/or component).
2117     * @param flags Additional option flags.  The most important is
2118     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2119     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2120     * @param userId The user id.
2121     *
2122     * @return Returns a ResolveInfo containing the final activity intent that
2123     *         was determined to be the best action.  Returns null if no
2124     *         matching activity was found. If multiple matching activities are
2125     *         found and there is no default set, returns a ResolveInfo
2126     *         containing something else, such as the activity resolver.
2127     *
2128     * @see #MATCH_DEFAULT_ONLY
2129     * @see #GET_INTENT_FILTERS
2130     * @see #GET_RESOLVED_FILTER
2131     *
2132     * @hide
2133     */
2134    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2135
2136    /**
2137     * Retrieve all activities that can be performed for the given intent.
2138     *
2139     * @param intent The desired intent as per resolveActivity().
2140     * @param flags Additional option flags.  The most important is
2141     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2142     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2143     *
2144     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2145     *         Activity. These are ordered from best to worst match -- that
2146     *         is, the first item in the list is what is returned by
2147     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2148     *         list is returned.
2149     *
2150     * @see #MATCH_DEFAULT_ONLY
2151     * @see #GET_INTENT_FILTERS
2152     * @see #GET_RESOLVED_FILTER
2153     */
2154    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2155            int flags);
2156
2157    /**
2158     * Retrieve all activities that can be performed for the given intent, for a specific user.
2159     *
2160     * @param intent The desired intent as per resolveActivity().
2161     * @param flags Additional option flags.  The most important is
2162     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2163     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2164     *
2165     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2166     *         Activity. These are ordered from best to worst match -- that
2167     *         is, the first item in the list is what is returned by
2168     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2169     *         list is returned.
2170     *
2171     * @see #MATCH_DEFAULT_ONLY
2172     * @see #GET_INTENT_FILTERS
2173     * @see #GET_RESOLVED_FILTER
2174     * @hide
2175     */
2176    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2177            int flags, int userId);
2178
2179
2180    /**
2181     * Retrieve a set of activities that should be presented to the user as
2182     * similar options.  This is like {@link #queryIntentActivities}, except it
2183     * also allows you to supply a list of more explicit Intents that you would
2184     * like to resolve to particular options, and takes care of returning the
2185     * final ResolveInfo list in a reasonable order, with no duplicates, based
2186     * on those inputs.
2187     *
2188     * @param caller The class name of the activity that is making the
2189     *               request.  This activity will never appear in the output
2190     *               list.  Can be null.
2191     * @param specifics An array of Intents that should be resolved to the
2192     *                  first specific results.  Can be null.
2193     * @param intent The desired intent as per resolveActivity().
2194     * @param flags Additional option flags.  The most important is
2195     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2196     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2197     *
2198     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2199     *         Activity. These are ordered first by all of the intents resolved
2200     *         in <var>specifics</var> and then any additional activities that
2201     *         can handle <var>intent</var> but did not get included by one of
2202     *         the <var>specifics</var> intents.  If there are no matching
2203     *         activities, an empty list is returned.
2204     *
2205     * @see #MATCH_DEFAULT_ONLY
2206     * @see #GET_INTENT_FILTERS
2207     * @see #GET_RESOLVED_FILTER
2208     */
2209    public abstract List<ResolveInfo> queryIntentActivityOptions(
2210            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2211
2212    /**
2213     * Retrieve all receivers that can handle a broadcast of the given intent.
2214     *
2215     * @param intent The desired intent as per resolveActivity().
2216     * @param flags Additional option flags.
2217     *
2218     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2219     *         Receiver. These are ordered from first to last in priority.  If
2220     *         there are no matching receivers, an empty list is returned.
2221     *
2222     * @see #MATCH_DEFAULT_ONLY
2223     * @see #GET_INTENT_FILTERS
2224     * @see #GET_RESOLVED_FILTER
2225     */
2226    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2227            int flags);
2228
2229    /**
2230     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2231     * user.
2232     *
2233     * @param intent The desired intent as per resolveActivity().
2234     * @param flags Additional option flags.
2235     * @param userId The userId of the user being queried.
2236     *
2237     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2238     *         Receiver. These are ordered from first to last in priority.  If
2239     *         there are no matching receivers, an empty list is returned.
2240     *
2241     * @see #MATCH_DEFAULT_ONLY
2242     * @see #GET_INTENT_FILTERS
2243     * @see #GET_RESOLVED_FILTER
2244     * @hide
2245     */
2246    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2247            int flags, int userId);
2248
2249    /**
2250     * Determine the best service to handle for a given Intent.
2251     *
2252     * @param intent An intent containing all of the desired specification
2253     *               (action, data, type, category, and/or component).
2254     * @param flags Additional option flags.
2255     *
2256     * @return Returns a ResolveInfo containing the final service intent that
2257     *         was determined to be the best action.  Returns null if no
2258     *         matching service was found.
2259     *
2260     * @see #GET_INTENT_FILTERS
2261     * @see #GET_RESOLVED_FILTER
2262     */
2263    public abstract ResolveInfo resolveService(Intent intent, int flags);
2264
2265    /**
2266     * Retrieve all services that can match the given intent.
2267     *
2268     * @param intent The desired intent as per resolveService().
2269     * @param flags Additional option flags.
2270     *
2271     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2272     *         ServiceInfo. These are ordered from best to worst match -- that
2273     *         is, the first item in the list is what is returned by
2274     *         resolveService().  If there are no matching services, an empty
2275     *         list is returned.
2276     *
2277     * @see #GET_INTENT_FILTERS
2278     * @see #GET_RESOLVED_FILTER
2279     */
2280    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2281            int flags);
2282
2283    /**
2284     * Retrieve all services that can match the given intent for a given user.
2285     *
2286     * @param intent The desired intent as per resolveService().
2287     * @param flags Additional option flags.
2288     * @param userId The user id.
2289     *
2290     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2291     *         ServiceInfo. These are ordered from best to worst match -- that
2292     *         is, the first item in the list is what is returned by
2293     *         resolveService().  If there are no matching services, an empty
2294     *         list is returned.
2295     *
2296     * @see #GET_INTENT_FILTERS
2297     * @see #GET_RESOLVED_FILTER
2298     *
2299     * @hide
2300     */
2301    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2302            int flags, int userId);
2303
2304    /** {@hide} */
2305    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2306            Intent intent, int flags, int userId);
2307
2308    /**
2309     * Retrieve all providers that can match the given intent.
2310     *
2311     * @param intent An intent containing all of the desired specification
2312     *            (action, data, type, category, and/or component).
2313     * @param flags Additional option flags.
2314     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2315     *         ProviderInfo. These are ordered from best to worst match. If
2316     *         there are no matching providers, an empty list is returned.
2317     * @see #GET_INTENT_FILTERS
2318     * @see #GET_RESOLVED_FILTER
2319     */
2320    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2321
2322    /**
2323     * Find a single content provider by its base path name.
2324     *
2325     * @param name The name of the provider to find.
2326     * @param flags Additional option flags.  Currently should always be 0.
2327     *
2328     * @return ContentProviderInfo Information about the provider, if found,
2329     *         else null.
2330     */
2331    public abstract ProviderInfo resolveContentProvider(String name,
2332            int flags);
2333
2334    /**
2335     * Retrieve content provider information.
2336     *
2337     * <p><em>Note: unlike most other methods, an empty result set is indicated
2338     * by a null return instead of an empty list.</em>
2339     *
2340     * @param processName If non-null, limits the returned providers to only
2341     *                    those that are hosted by the given process.  If null,
2342     *                    all content providers are returned.
2343     * @param uid If <var>processName</var> is non-null, this is the required
2344     *        uid owning the requested content providers.
2345     * @param flags Additional option flags.  Currently should always be 0.
2346     *
2347     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2348     *         content provider either patching <var>processName</var> or, if
2349     *         <var>processName</var> is null, all known content providers.
2350     *         <em>If there are no matching providers, null is returned.</em>
2351     */
2352    public abstract List<ProviderInfo> queryContentProviders(
2353            String processName, int uid, int flags);
2354
2355    /**
2356     * Retrieve all of the information we know about a particular
2357     * instrumentation class.
2358     *
2359     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2360     * given class name cannot be found on the system.
2361     *
2362     * @param className The full name (i.e.
2363     *                  com.google.apps.contacts.InstrumentList) of an
2364     *                  Instrumentation class.
2365     * @param flags Additional option flags.  Currently should always be 0.
2366     *
2367     * @return InstrumentationInfo containing information about the
2368     *         instrumentation.
2369     */
2370    public abstract InstrumentationInfo getInstrumentationInfo(
2371            ComponentName className, int flags) throws NameNotFoundException;
2372
2373    /**
2374     * Retrieve information about available instrumentation code.  May be used
2375     * to retrieve either all instrumentation code, or only the code targeting
2376     * a particular package.
2377     *
2378     * @param targetPackage If null, all instrumentation is returned; only the
2379     *                      instrumentation targeting this package name is
2380     *                      returned.
2381     * @param flags Additional option flags.  Currently should always be 0.
2382     *
2383     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2384     *         matching available Instrumentation.  Returns an empty list if
2385     *         there is no instrumentation available for the given package.
2386     */
2387    public abstract List<InstrumentationInfo> queryInstrumentation(
2388            String targetPackage, int flags);
2389
2390    /**
2391     * Retrieve an image from a package.  This is a low-level API used by
2392     * the various package manager info structures (such as
2393     * {@link ComponentInfo} to implement retrieval of their associated
2394     * icon.
2395     *
2396     * @param packageName The name of the package that this icon is coming from.
2397     * Cannot be null.
2398     * @param resid The resource identifier of the desired image.  Cannot be 0.
2399     * @param appInfo Overall information about <var>packageName</var>.  This
2400     * may be null, in which case the application information will be retrieved
2401     * for you if needed; if you already have this information around, it can
2402     * be much more efficient to supply it here.
2403     *
2404     * @return Returns a Drawable holding the requested image.  Returns null if
2405     * an image could not be found for any reason.
2406     */
2407    public abstract Drawable getDrawable(String packageName, int resid,
2408            ApplicationInfo appInfo);
2409
2410    /**
2411     * Retrieve the icon associated with an activity.  Given the full name of
2412     * an activity, retrieves the information about it and calls
2413     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2414     * If the activity cannot be found, NameNotFoundException is thrown.
2415     *
2416     * @param activityName Name of the activity whose icon is to be retrieved.
2417     *
2418     * @return Returns the image of the icon, or the default activity icon if
2419     * it could not be found.  Does not return null.
2420     * @throws NameNotFoundException Thrown if the resources for the given
2421     * activity could not be loaded.
2422     *
2423     * @see #getActivityIcon(Intent)
2424     */
2425    public abstract Drawable getActivityIcon(ComponentName activityName)
2426            throws NameNotFoundException;
2427
2428    /**
2429     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2430     * set, this simply returns the result of
2431     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2432     * component and returns the icon associated with the resolved component.
2433     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2434     * to a component, NameNotFoundException is thrown.
2435     *
2436     * @param intent The intent for which you would like to retrieve an icon.
2437     *
2438     * @return Returns the image of the icon, or the default activity icon if
2439     * it could not be found.  Does not return null.
2440     * @throws NameNotFoundException Thrown if the resources for application
2441     * matching the given intent could not be loaded.
2442     *
2443     * @see #getActivityIcon(ComponentName)
2444     */
2445    public abstract Drawable getActivityIcon(Intent intent)
2446            throws NameNotFoundException;
2447
2448    /**
2449     * Retrieve the banner associated with an activity. Given the full name of
2450     * an activity, retrieves the information about it and calls
2451     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2452     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2453     *
2454     * @param activityName Name of the activity whose banner is to be retrieved.
2455     * @return Returns the image of the banner, or null if the activity has no
2456     *         banner specified.
2457     * @throws NameNotFoundException Thrown if the resources for the given
2458     *             activity could not be loaded.
2459     * @see #getActivityBanner(Intent)
2460     */
2461    public abstract Drawable getActivityBanner(ComponentName activityName)
2462            throws NameNotFoundException;
2463
2464    /**
2465     * Retrieve the banner associated with an Intent. If intent.getClassName()
2466     * is set, this simply returns the result of
2467     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2468     * intent's component and returns the banner associated with the resolved
2469     * component. If intent.getClassName() cannot be found or the Intent cannot
2470     * be resolved to a component, NameNotFoundException is thrown.
2471     *
2472     * @param intent The intent for which you would like to retrieve a banner.
2473     * @return Returns the image of the banner, or null if the activity has no
2474     *         banner specified.
2475     * @throws NameNotFoundException Thrown if the resources for application
2476     *             matching the given intent could not be loaded.
2477     * @see #getActivityBanner(ComponentName)
2478     */
2479    public abstract Drawable getActivityBanner(Intent intent)
2480            throws NameNotFoundException;
2481
2482    /**
2483     * Return the generic icon for an activity that is used when no specific
2484     * icon is defined.
2485     *
2486     * @return Drawable Image of the icon.
2487     */
2488    public abstract Drawable getDefaultActivityIcon();
2489
2490    /**
2491     * Retrieve the icon associated with an application.  If it has not defined
2492     * an icon, the default app icon is returned.  Does not return null.
2493     *
2494     * @param info Information about application being queried.
2495     *
2496     * @return Returns the image of the icon, or the default application icon
2497     * if it could not be found.
2498     *
2499     * @see #getApplicationIcon(String)
2500     */
2501    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2502
2503    /**
2504     * Retrieve the icon associated with an application.  Given the name of the
2505     * application's package, retrieves the information about it and calls
2506     * getApplicationIcon() to return its icon. If the application cannot be
2507     * found, NameNotFoundException is thrown.
2508     *
2509     * @param packageName Name of the package whose application icon is to be
2510     *                    retrieved.
2511     *
2512     * @return Returns the image of the icon, or the default application icon
2513     * if it could not be found.  Does not return null.
2514     * @throws NameNotFoundException Thrown if the resources for the given
2515     * application could not be loaded.
2516     *
2517     * @see #getApplicationIcon(ApplicationInfo)
2518     */
2519    public abstract Drawable getApplicationIcon(String packageName)
2520            throws NameNotFoundException;
2521
2522    /**
2523     * Retrieve the banner associated with an application.
2524     *
2525     * @param info Information about application being queried.
2526     * @return Returns the image of the banner or null if the application has no
2527     *         banner specified.
2528     * @see #getApplicationBanner(String)
2529     */
2530    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2531
2532    /**
2533     * Retrieve the banner associated with an application. Given the name of the
2534     * application's package, retrieves the information about it and calls
2535     * getApplicationIcon() to return its banner. If the application cannot be
2536     * found, NameNotFoundException is thrown.
2537     *
2538     * @param packageName Name of the package whose application banner is to be
2539     *            retrieved.
2540     * @return Returns the image of the banner or null if the application has no
2541     *         banner specified.
2542     * @throws NameNotFoundException Thrown if the resources for the given
2543     *             application could not be loaded.
2544     * @see #getApplicationBanner(ApplicationInfo)
2545     */
2546    public abstract Drawable getApplicationBanner(String packageName)
2547            throws NameNotFoundException;
2548
2549    /**
2550     * Retrieve the logo associated with an activity. Given the full name of an
2551     * activity, retrieves the information about it and calls
2552     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2553     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2554     *
2555     * @param activityName Name of the activity whose logo is to be retrieved.
2556     * @return Returns the image of the logo or null if the activity has no logo
2557     *         specified.
2558     * @throws NameNotFoundException Thrown if the resources for the given
2559     *             activity could not be loaded.
2560     * @see #getActivityLogo(Intent)
2561     */
2562    public abstract Drawable getActivityLogo(ComponentName activityName)
2563            throws NameNotFoundException;
2564
2565    /**
2566     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2567     * set, this simply returns the result of
2568     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2569     * component and returns the logo associated with the resolved component.
2570     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2571     * to a component, NameNotFoundException is thrown.
2572     *
2573     * @param intent The intent for which you would like to retrieve a logo.
2574     *
2575     * @return Returns the image of the logo, or null if the activity has no
2576     * logo specified.
2577     *
2578     * @throws NameNotFoundException Thrown if the resources for application
2579     * matching the given intent could not be loaded.
2580     *
2581     * @see #getActivityLogo(ComponentName)
2582     */
2583    public abstract Drawable getActivityLogo(Intent intent)
2584            throws NameNotFoundException;
2585
2586    /**
2587     * Retrieve the logo associated with an application.  If it has not specified
2588     * a logo, this method returns null.
2589     *
2590     * @param info Information about application being queried.
2591     *
2592     * @return Returns the image of the logo, or null if no logo is specified
2593     * by the application.
2594     *
2595     * @see #getApplicationLogo(String)
2596     */
2597    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2598
2599    /**
2600     * Retrieve the logo associated with an application.  Given the name of the
2601     * application's package, retrieves the information about it and calls
2602     * getApplicationLogo() to return its logo. If the application cannot be
2603     * found, NameNotFoundException is thrown.
2604     *
2605     * @param packageName Name of the package whose application logo is to be
2606     *                    retrieved.
2607     *
2608     * @return Returns the image of the logo, or null if no application logo
2609     * has been specified.
2610     *
2611     * @throws NameNotFoundException Thrown if the resources for the given
2612     * application could not be loaded.
2613     *
2614     * @see #getApplicationLogo(ApplicationInfo)
2615     */
2616    public abstract Drawable getApplicationLogo(String packageName)
2617            throws NameNotFoundException;
2618
2619    /**
2620     * Retrieve text from a package.  This is a low-level API used by
2621     * the various package manager info structures (such as
2622     * {@link ComponentInfo} to implement retrieval of their associated
2623     * labels and other text.
2624     *
2625     * @param packageName The name of the package that this text is coming from.
2626     * Cannot be null.
2627     * @param resid The resource identifier of the desired text.  Cannot be 0.
2628     * @param appInfo Overall information about <var>packageName</var>.  This
2629     * may be null, in which case the application information will be retrieved
2630     * for you if needed; if you already have this information around, it can
2631     * be much more efficient to supply it here.
2632     *
2633     * @return Returns a CharSequence holding the requested text.  Returns null
2634     * if the text could not be found for any reason.
2635     */
2636    public abstract CharSequence getText(String packageName, int resid,
2637            ApplicationInfo appInfo);
2638
2639    /**
2640     * Retrieve an XML file from a package.  This is a low-level API used to
2641     * retrieve XML meta data.
2642     *
2643     * @param packageName The name of the package that this xml is coming from.
2644     * Cannot be null.
2645     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2646     * @param appInfo Overall information about <var>packageName</var>.  This
2647     * may be null, in which case the application information will be retrieved
2648     * for you if needed; if you already have this information around, it can
2649     * be much more efficient to supply it here.
2650     *
2651     * @return Returns an XmlPullParser allowing you to parse out the XML
2652     * data.  Returns null if the xml resource could not be found for any
2653     * reason.
2654     */
2655    public abstract XmlResourceParser getXml(String packageName, int resid,
2656            ApplicationInfo appInfo);
2657
2658    /**
2659     * Return the label to use for this application.
2660     *
2661     * @return Returns the label associated with this application, or null if
2662     * it could not be found for any reason.
2663     * @param info The application to get the label of.
2664     */
2665    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2666
2667    /**
2668     * Retrieve the resources associated with an activity.  Given the full
2669     * name of an activity, retrieves the information about it and calls
2670     * getResources() to return its application's resources.  If the activity
2671     * cannot be found, NameNotFoundException is thrown.
2672     *
2673     * @param activityName Name of the activity whose resources are to be
2674     *                     retrieved.
2675     *
2676     * @return Returns the application's Resources.
2677     * @throws NameNotFoundException Thrown if the resources for the given
2678     * application could not be loaded.
2679     *
2680     * @see #getResourcesForApplication(ApplicationInfo)
2681     */
2682    public abstract Resources getResourcesForActivity(ComponentName activityName)
2683            throws NameNotFoundException;
2684
2685    /**
2686     * Retrieve the resources for an application.  Throws NameNotFoundException
2687     * if the package is no longer installed.
2688     *
2689     * @param app Information about the desired application.
2690     *
2691     * @return Returns the application's Resources.
2692     * @throws NameNotFoundException Thrown if the resources for the given
2693     * application could not be loaded (most likely because it was uninstalled).
2694     */
2695    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2696            throws NameNotFoundException;
2697
2698    /**
2699     * Retrieve the resources associated with an application.  Given the full
2700     * package name of an application, retrieves the information about it and
2701     * calls getResources() to return its application's resources.  If the
2702     * appPackageName cannot be found, NameNotFoundException is thrown.
2703     *
2704     * @param appPackageName Package name of the application whose resources
2705     *                       are to be retrieved.
2706     *
2707     * @return Returns the application's Resources.
2708     * @throws NameNotFoundException Thrown if the resources for the given
2709     * application could not be loaded.
2710     *
2711     * @see #getResourcesForApplication(ApplicationInfo)
2712     */
2713    public abstract Resources getResourcesForApplication(String appPackageName)
2714            throws NameNotFoundException;
2715
2716    /** @hide */
2717    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2718            throws NameNotFoundException;
2719
2720    /**
2721     * Retrieve overall information about an application package defined
2722     * in a package archive file
2723     *
2724     * @param archiveFilePath The path to the archive file
2725     * @param flags Additional option flags. Use any combination of
2726     * {@link #GET_ACTIVITIES},
2727     * {@link #GET_GIDS},
2728     * {@link #GET_CONFIGURATIONS},
2729     * {@link #GET_INSTRUMENTATION},
2730     * {@link #GET_PERMISSIONS},
2731     * {@link #GET_PROVIDERS},
2732     * {@link #GET_RECEIVERS},
2733     * {@link #GET_SERVICES},
2734     * {@link #GET_SIGNATURES}, to modify the data returned.
2735     *
2736     * @return Returns the information about the package. Returns
2737     * null if the package could not be successfully parsed.
2738     *
2739     * @see #GET_ACTIVITIES
2740     * @see #GET_GIDS
2741     * @see #GET_CONFIGURATIONS
2742     * @see #GET_INSTRUMENTATION
2743     * @see #GET_PERMISSIONS
2744     * @see #GET_PROVIDERS
2745     * @see #GET_RECEIVERS
2746     * @see #GET_SERVICES
2747     * @see #GET_SIGNATURES
2748     *
2749     */
2750    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2751        PackageParser packageParser = new PackageParser(archiveFilePath);
2752        DisplayMetrics metrics = new DisplayMetrics();
2753        metrics.setToDefaults();
2754        final File sourceFile = new File(archiveFilePath);
2755        PackageParser.Package pkg = packageParser.parsePackage(
2756                sourceFile, archiveFilePath, metrics, 0);
2757        if (pkg == null) {
2758            return null;
2759        }
2760        if ((flags & GET_SIGNATURES) != 0) {
2761            packageParser.collectCertificates(pkg, 0);
2762        }
2763        PackageUserState state = new PackageUserState();
2764        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2765    }
2766
2767    /**
2768     * @hide
2769     *
2770     * Install a package. Since this may take a little while, the result will
2771     * be posted back to the given observer.  An installation will fail if the calling context
2772     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2773     * package named in the package file's manifest is already installed, or if there's no space
2774     * available on the device.
2775     *
2776     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2777     * 'content:' URI.
2778     * @param observer An observer callback to get notified when the package installation is
2779     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2780     * called when that happens.  observer may be null to indicate that no callback is desired.
2781     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2782     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2783     * @param installerPackageName Optional package name of the application that is performing the
2784     * installation. This identifies which market the package came from.
2785     */
2786    public abstract void installPackage(
2787            Uri packageURI, IPackageInstallObserver observer, int flags,
2788            String installerPackageName);
2789
2790    /**
2791     * Similar to
2792     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2793     * with an extra verification file provided.
2794     *
2795     * @param packageURI The location of the package file to install. This can
2796     *            be a 'file:' or a 'content:' URI.
2797     * @param observer An observer callback to get notified when the package
2798     *            installation is complete.
2799     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2800     *            will be called when that happens. observer may be null to
2801     *            indicate that no callback is desired.
2802     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2803     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2804     *            .
2805     * @param installerPackageName Optional package name of the application that
2806     *            is performing the installation. This identifies which market
2807     *            the package came from.
2808     * @param verificationURI The location of the supplementary verification
2809     *            file. This can be a 'file:' or a 'content:' URI. May be
2810     *            {@code null}.
2811     * @param manifestDigest an object that holds the digest of the package
2812     *            which can be used to verify ownership. May be {@code null}.
2813     * @param encryptionParams if the package to be installed is encrypted,
2814     *            these parameters describing the encryption and authentication
2815     *            used. May be {@code null}.
2816     * @hide
2817     */
2818    public abstract void installPackageWithVerification(Uri packageURI,
2819            IPackageInstallObserver observer, int flags, String installerPackageName,
2820            Uri verificationURI, ManifestDigest manifestDigest,
2821            ContainerEncryptionParams encryptionParams);
2822
2823    /**
2824     * Similar to
2825     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2826     * with an extra verification information provided.
2827     *
2828     * @param packageURI The location of the package file to install. This can
2829     *            be a 'file:' or a 'content:' URI.
2830     * @param observer An observer callback to get notified when the package
2831     *            installation is complete.
2832     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2833     *            will be called when that happens. observer may be null to
2834     *            indicate that no callback is desired.
2835     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2836     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2837     *            .
2838     * @param installerPackageName Optional package name of the application that
2839     *            is performing the installation. This identifies which market
2840     *            the package came from.
2841     * @param verificationParams an object that holds signal information to
2842     *            assist verification. May be {@code null}.
2843     * @param encryptionParams if the package to be installed is encrypted,
2844     *            these parameters describing the encryption and authentication
2845     *            used. May be {@code null}.
2846     *
2847     * @hide
2848     */
2849    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2850            IPackageInstallObserver observer, int flags, String installerPackageName,
2851            VerificationParams verificationParams,
2852            ContainerEncryptionParams encryptionParams);
2853
2854    /**
2855     * If there is already an application with the given package name installed
2856     * on the system for other users, also install it for the calling user.
2857     * @hide
2858     */
2859    public abstract int installExistingPackage(String packageName)
2860            throws NameNotFoundException;
2861
2862    /**
2863     * Allows a package listening to the
2864     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2865     * broadcast} to respond to the package manager. The response must include
2866     * the {@code verificationCode} which is one of
2867     * {@link PackageManager#VERIFICATION_ALLOW} or
2868     * {@link PackageManager#VERIFICATION_REJECT}.
2869     *
2870     * @param id pending package identifier as passed via the
2871     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2872     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
2873     *            or {@link PackageManager#VERIFICATION_REJECT}.
2874     * @throws SecurityException if the caller does not have the
2875     *            PACKAGE_VERIFICATION_AGENT permission.
2876     */
2877    public abstract void verifyPendingInstall(int id, int verificationCode);
2878
2879    /**
2880     * Allows a package listening to the
2881     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2882     * broadcast} to extend the default timeout for a response and declare what
2883     * action to perform after the timeout occurs. The response must include
2884     * the {@code verificationCodeAtTimeout} which is one of
2885     * {@link PackageManager#VERIFICATION_ALLOW} or
2886     * {@link PackageManager#VERIFICATION_REJECT}.
2887     *
2888     * This method may only be called once per package id. Additional calls
2889     * will have no effect.
2890     *
2891     * @param id pending package identifier as passed via the
2892     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2893     * @param verificationCodeAtTimeout either
2894     *            {@link PackageManager#VERIFICATION_ALLOW} or
2895     *            {@link PackageManager#VERIFICATION_REJECT}. If
2896     *            {@code verificationCodeAtTimeout} is neither
2897     *            {@link PackageManager#VERIFICATION_ALLOW} or
2898     *            {@link PackageManager#VERIFICATION_REJECT}, then
2899     *            {@code verificationCodeAtTimeout} will default to
2900     *            {@link PackageManager#VERIFICATION_REJECT}.
2901     * @param millisecondsToDelay the amount of time requested for the timeout.
2902     *            Must be positive and less than
2903     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
2904     *            {@code millisecondsToDelay} is out of bounds,
2905     *            {@code millisecondsToDelay} will be set to the closest in
2906     *            bounds value; namely, 0 or
2907     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
2908     * @throws SecurityException if the caller does not have the
2909     *            PACKAGE_VERIFICATION_AGENT permission.
2910     */
2911    public abstract void extendVerificationTimeout(int id,
2912            int verificationCodeAtTimeout, long millisecondsToDelay);
2913
2914    /**
2915     * Change the installer associated with a given package.  There are limitations
2916     * on how the installer package can be changed; in particular:
2917     * <ul>
2918     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
2919     * is not signed with the same certificate as the calling application.
2920     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
2921     * has an installer package, and that installer package is not signed with
2922     * the same certificate as the calling application.
2923     * </ul>
2924     *
2925     * @param targetPackage The installed package whose installer will be changed.
2926     * @param installerPackageName The package name of the new installer.  May be
2927     * null to clear the association.
2928     */
2929    public abstract void setInstallerPackageName(String targetPackage,
2930            String installerPackageName);
2931
2932    /**
2933     * Attempts to delete a package.  Since this may take a little while, the result will
2934     * be posted back to the given observer.  A deletion will fail if the calling context
2935     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
2936     * named package cannot be found, or if the named package is a "system package".
2937     * (TODO: include pointer to documentation on "system packages")
2938     *
2939     * @param packageName The name of the package to delete
2940     * @param observer An observer callback to get notified when the package deletion is
2941     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
2942     * called when that happens.  observer may be null to indicate that no callback is desired.
2943     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
2944     * {@link #DELETE_ALL_USERS}.
2945     *
2946     * @hide
2947     */
2948    public abstract void deletePackage(
2949            String packageName, IPackageDeleteObserver observer, int flags);
2950
2951    /**
2952     * Retrieve the package name of the application that installed a package. This identifies
2953     * which market the package came from.
2954     *
2955     * @param packageName The name of the package to query
2956     */
2957    public abstract String getInstallerPackageName(String packageName);
2958
2959    /**
2960     * Attempts to clear the user data directory of an application.
2961     * Since this may take a little while, the result will
2962     * be posted back to the given observer.  A deletion will fail if the
2963     * named package cannot be found, or if the named package is a "system package".
2964     *
2965     * @param packageName The name of the package
2966     * @param observer An observer callback to get notified when the operation is finished
2967     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2968     * will be called when that happens.  observer may be null to indicate that
2969     * no callback is desired.
2970     *
2971     * @hide
2972     */
2973    public abstract void clearApplicationUserData(String packageName,
2974            IPackageDataObserver observer);
2975    /**
2976     * Attempts to delete the cache files associated with an application.
2977     * Since this may take a little while, the result will
2978     * be posted back to the given observer.  A deletion will fail if the calling context
2979     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
2980     * named package cannot be found, or if the named package is a "system package".
2981     *
2982     * @param packageName The name of the package to delete
2983     * @param observer An observer callback to get notified when the cache file deletion
2984     * is complete.
2985     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2986     * will be called when that happens.  observer may be null to indicate that
2987     * no callback is desired.
2988     *
2989     * @hide
2990     */
2991    public abstract void deleteApplicationCacheFiles(String packageName,
2992            IPackageDataObserver observer);
2993
2994    /**
2995     * Free storage by deleting LRU sorted list of cache files across
2996     * all applications. If the currently available free storage
2997     * on the device is greater than or equal to the requested
2998     * free storage, no cache files are cleared. If the currently
2999     * available storage on the device is less than the requested
3000     * free storage, some or all of the cache files across
3001     * all applications are deleted (based on last accessed time)
3002     * to increase the free storage space on the device to
3003     * the requested value. There is no guarantee that clearing all
3004     * the cache files from all applications will clear up
3005     * enough storage to achieve the desired value.
3006     * @param freeStorageSize The number of bytes of storage to be
3007     * freed by the system. Say if freeStorageSize is XX,
3008     * and the current free storage is YY,
3009     * if XX is less than YY, just return. if not free XX-YY number
3010     * of bytes if possible.
3011     * @param observer call back used to notify when
3012     * the operation is completed
3013     *
3014     * @hide
3015     */
3016    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3017
3018    /**
3019     * Free storage by deleting LRU sorted list of cache files across
3020     * all applications. If the currently available free storage
3021     * on the device is greater than or equal to the requested
3022     * free storage, no cache files are cleared. If the currently
3023     * available storage on the device is less than the requested
3024     * free storage, some or all of the cache files across
3025     * all applications are deleted (based on last accessed time)
3026     * to increase the free storage space on the device to
3027     * the requested value. There is no guarantee that clearing all
3028     * the cache files from all applications will clear up
3029     * enough storage to achieve the desired value.
3030     * @param freeStorageSize The number of bytes of storage to be
3031     * freed by the system. Say if freeStorageSize is XX,
3032     * and the current free storage is YY,
3033     * if XX is less than YY, just return. if not free XX-YY number
3034     * of bytes if possible.
3035     * @param pi IntentSender call back used to
3036     * notify when the operation is completed.May be null
3037     * to indicate that no call back is desired.
3038     *
3039     * @hide
3040     */
3041    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3042
3043    /**
3044     * Retrieve the size information for a package.
3045     * Since this may take a little while, the result will
3046     * be posted back to the given observer.  The calling context
3047     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3048     *
3049     * @param packageName The name of the package whose size information is to be retrieved
3050     * @param userHandle The user whose size information should be retrieved.
3051     * @param observer An observer callback to get notified when the operation
3052     * is complete.
3053     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3054     * The observer's callback is invoked with a PackageStats object(containing the
3055     * code, data and cache sizes of the package) and a boolean value representing
3056     * the status of the operation. observer may be null to indicate that
3057     * no callback is desired.
3058     *
3059     * @hide
3060     */
3061    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3062            IPackageStatsObserver observer);
3063
3064    /**
3065     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3066     * returns the size for the calling user.
3067     *
3068     * @hide
3069     */
3070    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3071        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3072    }
3073
3074    /**
3075     * @deprecated This function no longer does anything; it was an old
3076     * approach to managing preferred activities, which has been superseded
3077     * by (and conflicts with) the modern activity-based preferences.
3078     */
3079    @Deprecated
3080    public abstract void addPackageToPreferred(String packageName);
3081
3082    /**
3083     * @deprecated This function no longer does anything; it was an old
3084     * approach to managing preferred activities, which has been superseded
3085     * by (and conflicts with) the modern activity-based preferences.
3086     */
3087    @Deprecated
3088    public abstract void removePackageFromPreferred(String packageName);
3089
3090    /**
3091     * Retrieve the list of all currently configured preferred packages.  The
3092     * first package on the list is the most preferred, the last is the
3093     * least preferred.
3094     *
3095     * @param flags Additional option flags. Use any combination of
3096     * {@link #GET_ACTIVITIES},
3097     * {@link #GET_GIDS},
3098     * {@link #GET_CONFIGURATIONS},
3099     * {@link #GET_INSTRUMENTATION},
3100     * {@link #GET_PERMISSIONS},
3101     * {@link #GET_PROVIDERS},
3102     * {@link #GET_RECEIVERS},
3103     * {@link #GET_SERVICES},
3104     * {@link #GET_SIGNATURES}, to modify the data returned.
3105     *
3106     * @return Returns a list of PackageInfo objects describing each
3107     * preferred application, in order of preference.
3108     *
3109     * @see #GET_ACTIVITIES
3110     * @see #GET_GIDS
3111     * @see #GET_CONFIGURATIONS
3112     * @see #GET_INSTRUMENTATION
3113     * @see #GET_PERMISSIONS
3114     * @see #GET_PROVIDERS
3115     * @see #GET_RECEIVERS
3116     * @see #GET_SERVICES
3117     * @see #GET_SIGNATURES
3118     */
3119    public abstract List<PackageInfo> getPreferredPackages(int flags);
3120
3121    /**
3122     * @deprecated This is a protected API that should not have been available
3123     * to third party applications.  It is the platform's responsibility for
3124     * assigning preferred activities and this cannot be directly modified.
3125     *
3126     * Add a new preferred activity mapping to the system.  This will be used
3127     * to automatically select the given activity component when
3128     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3129     * multiple matching activities and also matches the given filter.
3130     *
3131     * @param filter The set of intents under which this activity will be
3132     * made preferred.
3133     * @param match The IntentFilter match category that this preference
3134     * applies to.
3135     * @param set The set of activities that the user was picking from when
3136     * this preference was made.
3137     * @param activity The component name of the activity that is to be
3138     * preferred.
3139     */
3140    @Deprecated
3141    public abstract void addPreferredActivity(IntentFilter filter, int match,
3142            ComponentName[] set, ComponentName activity);
3143
3144    /**
3145     * Same as {@link #addPreferredActivity(IntentFilter, int,
3146            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3147            to.
3148     * @hide
3149     */
3150    public void addPreferredActivity(IntentFilter filter, int match,
3151            ComponentName[] set, ComponentName activity, int userId) {
3152        throw new RuntimeException("Not implemented. Must override in a subclass.");
3153    }
3154
3155    /**
3156     * @deprecated This is a protected API that should not have been available
3157     * to third party applications.  It is the platform's responsibility for
3158     * assigning preferred activities and this cannot be directly modified.
3159     *
3160     * Replaces an existing preferred activity mapping to the system, and if that were not present
3161     * adds a new preferred activity.  This will be used
3162     * to automatically select the given activity component when
3163     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3164     * multiple matching activities and also matches the given filter.
3165     *
3166     * @param filter The set of intents under which this activity will be
3167     * made preferred.
3168     * @param match The IntentFilter match category that this preference
3169     * applies to.
3170     * @param set The set of activities that the user was picking from when
3171     * this preference was made.
3172     * @param activity The component name of the activity that is to be
3173     * preferred.
3174     * @hide
3175     */
3176    @Deprecated
3177    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3178            ComponentName[] set, ComponentName activity);
3179
3180    /**
3181     * Remove all preferred activity mappings, previously added with
3182     * {@link #addPreferredActivity}, from the
3183     * system whose activities are implemented in the given package name.
3184     * An application can only clear its own package(s).
3185     *
3186     * @param packageName The name of the package whose preferred activity
3187     * mappings are to be removed.
3188     */
3189    public abstract void clearPackagePreferredActivities(String packageName);
3190
3191    /**
3192     * Retrieve all preferred activities, previously added with
3193     * {@link #addPreferredActivity}, that are
3194     * currently registered with the system.
3195     *
3196     * @param outFilters A list in which to place the filters of all of the
3197     * preferred activities, or null for none.
3198     * @param outActivities A list in which to place the component names of
3199     * all of the preferred activities, or null for none.
3200     * @param packageName An option package in which you would like to limit
3201     * the list.  If null, all activities will be returned; if non-null, only
3202     * those activities in the given package are returned.
3203     *
3204     * @return Returns the total number of registered preferred activities
3205     * (the number of distinct IntentFilter records, not the number of unique
3206     * activity components) that were found.
3207     */
3208    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3209            List<ComponentName> outActivities, String packageName);
3210
3211    /**
3212     * Ask for the set of available 'home' activities and the current explicit
3213     * default, if any.
3214     * @hide
3215     */
3216    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3217
3218    /**
3219     * Set the enabled setting for a package component (activity, receiver, service, provider).
3220     * This setting will override any enabled state which may have been set by the component in its
3221     * manifest.
3222     *
3223     * @param componentName The component to enable
3224     * @param newState The new enabled state for the component.  The legal values for this state
3225     *                 are:
3226     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3227     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3228     *                   and
3229     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3230     *                 The last one removes the setting, thereby restoring the component's state to
3231     *                 whatever was set in it's manifest (or enabled, by default).
3232     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3233     */
3234    public abstract void setComponentEnabledSetting(ComponentName componentName,
3235            int newState, int flags);
3236
3237
3238    /**
3239     * Return the the enabled setting for a package component (activity,
3240     * receiver, service, provider).  This returns the last value set by
3241     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3242     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3243     * the value originally specified in the manifest has not been modified.
3244     *
3245     * @param componentName The component to retrieve.
3246     * @return Returns the current enabled state for the component.  May
3247     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3248     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3249     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3250     * component's enabled state is based on the original information in
3251     * the manifest as found in {@link ComponentInfo}.
3252     */
3253    public abstract int getComponentEnabledSetting(ComponentName componentName);
3254
3255    /**
3256     * Set the enabled setting for an application
3257     * This setting will override any enabled state which may have been set by the application in
3258     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3259     * application's components.  It does not override any enabled state set by
3260     * {@link #setComponentEnabledSetting} for any of the application's components.
3261     *
3262     * @param packageName The package name of the application to enable
3263     * @param newState The new enabled state for the component.  The legal values for this state
3264     *                 are:
3265     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3266     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3267     *                   and
3268     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3269     *                 The last one removes the setting, thereby restoring the applications's state to
3270     *                 whatever was set in its manifest (or enabled, by default).
3271     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3272     */
3273    public abstract void setApplicationEnabledSetting(String packageName,
3274            int newState, int flags);
3275
3276    /**
3277     * Return the the enabled setting for an application.  This returns
3278     * the last value set by
3279     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3280     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3281     * the value originally specified in the manifest has not been modified.
3282     *
3283     * @param packageName The component to retrieve.
3284     * @return Returns the current enabled state for the component.  May
3285     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3286     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3287     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3288     * application's enabled state is based on the original information in
3289     * the manifest as found in {@link ComponentInfo}.
3290     * @throws IllegalArgumentException if the named package does not exist.
3291     */
3292    public abstract int getApplicationEnabledSetting(String packageName);
3293
3294    /**
3295     * Puts the package in a blocked state, which is almost like an uninstalled state,
3296     * making the package unavailable, but it doesn't remove the data or the actual
3297     * package file.
3298     * @hide
3299     */
3300    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3301            UserHandle userHandle);
3302
3303    /**
3304     * Returns the blocked state of a package.
3305     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3306     * @hide
3307     */
3308    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3309            UserHandle userHandle);
3310
3311    /**
3312     * Return whether the device has been booted into safe mode.
3313     */
3314    public abstract boolean isSafeMode();
3315
3316    /**
3317     * Attempts to move package resources from internal to external media or vice versa.
3318     * Since this may take a little while, the result will
3319     * be posted back to the given observer.   This call may fail if the calling context
3320     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3321     * named package cannot be found, or if the named package is a "system package".
3322     *
3323     * @param packageName The name of the package to delete
3324     * @param observer An observer callback to get notified when the package move is
3325     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3326     * called when that happens.  observer may be null to indicate that no callback is desired.
3327     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3328     * {@link #MOVE_EXTERNAL_MEDIA}
3329     *
3330     * @hide
3331     */
3332    public abstract void movePackage(
3333            String packageName, IPackageMoveObserver observer, int flags);
3334
3335    /**
3336     * Returns the device identity that verifiers can use to associate their scheme to a particular
3337     * device. This should not be used by anything other than a package verifier.
3338     *
3339     * @return identity that uniquely identifies current device
3340     * @hide
3341     */
3342    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3343
3344    /**
3345     * Returns the data directory for a particular user and package, given the uid of the package.
3346     * @param uid uid of the package, including the userId and appId
3347     * @param packageName name of the package
3348     * @return the user-specific data directory for the package
3349     * @hide
3350     */
3351    public static String getDataDirForUser(int userId, String packageName) {
3352        // TODO: This should be shared with Installer's knowledge of user directory
3353        return Environment.getDataDirectory().toString() + "/user/" + userId
3354                + "/" + packageName;
3355    }
3356}
3357