PackageManager.java revision 286a247e4c8fcecb59636f668678d24e33142744
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.content.pm;
18
19import android.annotation.SdkConstant;
20import android.annotation.SdkConstant.SdkConstantType;
21import android.content.ComponentName;
22import android.content.Context;
23import android.content.Intent;
24import android.content.IntentFilter;
25import android.content.IntentSender;
26import android.content.res.Resources;
27import android.content.res.XmlResourceParser;
28import android.graphics.drawable.Drawable;
29import android.net.Uri;
30import android.os.Environment;
31import android.os.UserHandle;
32import android.util.AndroidException;
33import android.util.DisplayMetrics;
34
35import java.io.File;
36import java.util.List;
37
38/**
39 * Class for retrieving various kinds of information related to the application
40 * packages that are currently installed on the device.
41 *
42 * You can find this class through {@link Context#getPackageManager}.
43 */
44public abstract class PackageManager {
45
46    /**
47     * This exception is thrown when a given package, application, or component
48     * name cannot be found.
49     */
50    public static class NameNotFoundException extends AndroidException {
51        public NameNotFoundException() {
52        }
53
54        public NameNotFoundException(String name) {
55            super(name);
56        }
57    }
58
59    /**
60     * {@link PackageInfo} flag: return information about
61     * activities in the package in {@link PackageInfo#activities}.
62     */
63    public static final int GET_ACTIVITIES              = 0x00000001;
64
65    /**
66     * {@link PackageInfo} flag: return information about
67     * intent receivers in the package in
68     * {@link PackageInfo#receivers}.
69     */
70    public static final int GET_RECEIVERS               = 0x00000002;
71
72    /**
73     * {@link PackageInfo} flag: return information about
74     * services in the package in {@link PackageInfo#services}.
75     */
76    public static final int GET_SERVICES                = 0x00000004;
77
78    /**
79     * {@link PackageInfo} flag: return information about
80     * content providers in the package in
81     * {@link PackageInfo#providers}.
82     */
83    public static final int GET_PROVIDERS               = 0x00000008;
84
85    /**
86     * {@link PackageInfo} flag: return information about
87     * instrumentation in the package in
88     * {@link PackageInfo#instrumentation}.
89     */
90    public static final int GET_INSTRUMENTATION         = 0x00000010;
91
92    /**
93     * {@link PackageInfo} flag: return information about the
94     * intent filters supported by the activity.
95     */
96    public static final int GET_INTENT_FILTERS          = 0x00000020;
97
98    /**
99     * {@link PackageInfo} flag: return information about the
100     * signatures included in the package.
101     */
102    public static final int GET_SIGNATURES          = 0x00000040;
103
104    /**
105     * {@link ResolveInfo} flag: return the IntentFilter that
106     * was matched for a particular ResolveInfo in
107     * {@link ResolveInfo#filter}.
108     */
109    public static final int GET_RESOLVED_FILTER         = 0x00000040;
110
111    /**
112     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
113     * data {@link android.os.Bundle}s that are associated with a component.
114     * This applies for any API returning a ComponentInfo subclass.
115     */
116    public static final int GET_META_DATA               = 0x00000080;
117
118    /**
119     * {@link PackageInfo} flag: return the
120     * {@link PackageInfo#gids group ids} that are associated with an
121     * application.
122     * This applies for any API returning a PackageInfo class, either
123     * directly or nested inside of another.
124     */
125    public static final int GET_GIDS                    = 0x00000100;
126
127    /**
128     * {@link PackageInfo} flag: include disabled components in the returned info.
129     */
130    public static final int GET_DISABLED_COMPONENTS     = 0x00000200;
131
132    /**
133     * {@link ApplicationInfo} flag: return the
134     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
135     * that are associated with an application.
136     * This applies for any API returning an ApplicationInfo class, either
137     * directly or nested inside of another.
138     */
139    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
140
141    /**
142     * {@link ProviderInfo} flag: return the
143     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
144     * that are associated with a content provider.
145     * This applies for any API returning a ProviderInfo class, either
146     * directly or nested inside of another.
147     */
148    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
149    /**
150     * {@link PackageInfo} flag: return information about
151     * permissions in the package in
152     * {@link PackageInfo#permissions}.
153     */
154    public static final int GET_PERMISSIONS               = 0x00001000;
155
156    /**
157     * Flag parameter to retrieve some information about all applications (even
158     * uninstalled ones) which have data directories. This state could have
159     * resulted if applications have been deleted with flag
160     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
161     * reinstalled in future.
162     * <p>
163     * Note: this flag may cause less information about currently installed
164     * applications to be returned.
165     */
166    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
167
168    /**
169     * {@link PackageInfo} flag: return information about
170     * hardware preferences in
171     * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
172     * requested features in {@link PackageInfo#reqFeatures
173     * PackageInfo.reqFeatures}.
174     */
175    public static final int GET_CONFIGURATIONS = 0x00004000;
176
177    /**
178     * {@link PackageInfo} flag: include disabled components which are in
179     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
180     * in the returned info.  Note that if you set this flag, applications
181     * that are in this disabled state will be reported as enabled.
182     */
183    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
184
185    /**
186     * Resolution and querying flag: if set, only filters that support the
187     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
188     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
189     * supplied Intent.
190     */
191    public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
192
193    /**
194     * Permission check result: this is returned by {@link #checkPermission}
195     * if the permission has been granted to the given package.
196     */
197    public static final int PERMISSION_GRANTED = 0;
198
199    /**
200     * Permission check result: this is returned by {@link #checkPermission}
201     * if the permission has not been granted to the given package.
202     */
203    public static final int PERMISSION_DENIED = -1;
204
205    /**
206     * Signature check result: this is returned by {@link #checkSignatures}
207     * if all signatures on the two packages match.
208     */
209    public static final int SIGNATURE_MATCH = 0;
210
211    /**
212     * Signature check result: this is returned by {@link #checkSignatures}
213     * if neither of the two packages is signed.
214     */
215    public static final int SIGNATURE_NEITHER_SIGNED = 1;
216
217    /**
218     * Signature check result: this is returned by {@link #checkSignatures}
219     * if the first package is not signed but the second is.
220     */
221    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
222
223    /**
224     * Signature check result: this is returned by {@link #checkSignatures}
225     * if the second package is not signed but the first is.
226     */
227    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
228
229    /**
230     * Signature check result: this is returned by {@link #checkSignatures}
231     * if not all signatures on both packages match.
232     */
233    public static final int SIGNATURE_NO_MATCH = -3;
234
235    /**
236     * Signature check result: this is returned by {@link #checkSignatures}
237     * if either of the packages are not valid.
238     */
239    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
240
241    /**
242     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
243     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
244     * component or application is in its default enabled state (as specified
245     * in its manifest).
246     */
247    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
248
249    /**
250     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
251     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
252     * component or application has been explictily enabled, regardless of
253     * what it has specified in its manifest.
254     */
255    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
256
257    /**
258     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
259     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
260     * component or application has been explicitly disabled, regardless of
261     * what it has specified in its manifest.
262     */
263    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
264
265    /**
266     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
267     * user has explicitly disabled the application, regardless of what it has
268     * specified in its manifest.  Because this is due to the user's request,
269     * they may re-enable it if desired through the appropriate system UI.  This
270     * option currently <strong>cannot</strong> be used with
271     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
272     */
273    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
274
275    /**
276     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
277     * application should be considered, until the point where the user actually
278     * wants to use it.  This means that it will not normally show up to the user
279     * (such as in the launcher), but various parts of the user interface can
280     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
281     * the user to select it (as for example an IME, device admin, etc).  Such code,
282     * once the user has selected the app, should at that point also make it enabled.
283     * This option currently <strong>can not</strong> be used with
284     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
285     */
286    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
287
288    /**
289     * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
290     * indicate that this package should be installed as forward locked, i.e. only the app itself
291     * should have access to its code and non-resource assets.
292     * @hide
293     */
294    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
295
296    /**
297     * Flag parameter for {@link #installPackage} to indicate that you want to replace an already
298     * installed package, if one exists.
299     * @hide
300     */
301    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
302
303    /**
304     * Flag parameter for {@link #installPackage} to indicate that you want to
305     * allow test packages (those that have set android:testOnly in their
306     * manifest) to be installed.
307     * @hide
308     */
309    public static final int INSTALL_ALLOW_TEST = 0x00000004;
310
311    /**
312     * Flag parameter for {@link #installPackage} to indicate that this
313     * package has to be installed on the sdcard.
314     * @hide
315     */
316    public static final int INSTALL_EXTERNAL = 0x00000008;
317
318    /**
319     * Flag parameter for {@link #installPackage} to indicate that this package
320     * has to be installed on the sdcard.
321     * @hide
322     */
323    public static final int INSTALL_INTERNAL = 0x00000010;
324
325    /**
326     * Flag parameter for {@link #installPackage} to indicate that this install
327     * was initiated via ADB.
328     *
329     * @hide
330     */
331    public static final int INSTALL_FROM_ADB = 0x00000020;
332
333    /**
334     * Flag parameter for {@link #installPackage} to indicate that this install
335     * should immediately be visible to all users.
336     *
337     * @hide
338     */
339    public static final int INSTALL_ALL_USERS = 0x00000040;
340
341    /**
342     * Flag parameter for {@link #installPackage} to indicate that it is okay
343     * to install an update to an app where the newly installed app has a lower
344     * version code than the currently installed app.
345     *
346     * @hide
347     */
348    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
349
350    /**
351     * Flag parameter for
352     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
353     * that you don't want to kill the app containing the component.  Be careful when you set this
354     * since changing component states can make the containing application's behavior unpredictable.
355     */
356    public static final int DONT_KILL_APP = 0x00000001;
357
358    /**
359     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
360     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
361     * @hide
362     */
363    public static final int INSTALL_SUCCEEDED = 1;
364
365    /**
366     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
367     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
368     * already installed.
369     * @hide
370     */
371    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
372
373    /**
374     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
375     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
376     * file is invalid.
377     * @hide
378     */
379    public static final int INSTALL_FAILED_INVALID_APK = -2;
380
381    /**
382     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
383     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
384     * is invalid.
385     * @hide
386     */
387    public static final int INSTALL_FAILED_INVALID_URI = -3;
388
389    /**
390     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
391     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
392     * service found that the device didn't have enough storage space to install the app.
393     * @hide
394     */
395    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
396
397    /**
398     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
399     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
400     * package is already installed with the same name.
401     * @hide
402     */
403    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
404
405    /**
406     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
407     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
408     * the requested shared user does not exist.
409     * @hide
410     */
411    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
412
413    /**
414     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
415     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
416     * a previously installed package of the same name has a different signature
417     * than the new package (and the old package's data was not removed).
418     * @hide
419     */
420    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
421
422    /**
423     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
424     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
425     * the new package is requested a shared user which is already installed on the
426     * device and does not have matching signature.
427     * @hide
428     */
429    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
430
431    /**
432     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
433     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
434     * the new package uses a shared library that is not available.
435     * @hide
436     */
437    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
438
439    /**
440     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
441     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
442     * the new package uses a shared library that is not available.
443     * @hide
444     */
445    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
446
447    /**
448     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
449     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
450     * the new package failed while optimizing and validating its dex files,
451     * either because there was not enough storage or the validation failed.
452     * @hide
453     */
454    public static final int INSTALL_FAILED_DEXOPT = -11;
455
456    /**
457     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
458     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
459     * the new package failed because the current SDK version is older than
460     * that required by the package.
461     * @hide
462     */
463    public static final int INSTALL_FAILED_OLDER_SDK = -12;
464
465    /**
466     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
467     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
468     * the new package failed because it contains a content provider with the
469     * same authority as a provider already installed in the system.
470     * @hide
471     */
472    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
473
474    /**
475     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
476     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
477     * the new package failed because the current SDK version is newer than
478     * that required by the package.
479     * @hide
480     */
481    public static final int INSTALL_FAILED_NEWER_SDK = -14;
482
483    /**
484     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
485     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
486     * the new package failed because it has specified that it is a test-only
487     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
488     * flag.
489     * @hide
490     */
491    public static final int INSTALL_FAILED_TEST_ONLY = -15;
492
493    /**
494     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
495     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
496     * the package being installed contains native code, but none that is
497     * compatible with the the device's CPU_ABI.
498     * @hide
499     */
500    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
501
502    /**
503     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
504     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
505     * the new package uses a feature that is not available.
506     * @hide
507     */
508    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
509
510    // ------ Errors related to sdcard
511    /**
512     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
513     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
514     * a secure container mount point couldn't be accessed on external media.
515     * @hide
516     */
517    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
518
519    /**
520     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
521     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
522     * the new package couldn't be installed in the specified install
523     * location.
524     * @hide
525     */
526    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
527
528    /**
529     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
530     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
531     * the new package couldn't be installed in the specified install
532     * location because the media is not available.
533     * @hide
534     */
535    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
536
537    /**
538     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
539     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
540     * the new package couldn't be installed because the verification timed out.
541     * @hide
542     */
543    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
544
545    /**
546     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
547     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
548     * the new package couldn't be installed because the verification did not succeed.
549     * @hide
550     */
551    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
552
553    /**
554     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
555     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
556     * the package changed from what the calling program expected.
557     * @hide
558     */
559    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
560
561    /**
562     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
563     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
564     * the new package is assigned a different UID than it previously held.
565     * @hide
566     */
567    public static final int INSTALL_FAILED_UID_CHANGED = -24;
568
569    /**
570     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
571     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
572     * the new package has an older version code than the currently installed package.
573     * @hide
574     */
575    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
576
577    /**
578     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
579     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
580     * if the parser was given a path that is not a file, or does not end with the expected
581     * '.apk' extension.
582     * @hide
583     */
584    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
585
586    /**
587     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
588     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
589     * if the parser was unable to retrieve the AndroidManifest.xml file.
590     * @hide
591     */
592    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
593
594    /**
595     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
596     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
597     * if the parser encountered an unexpected exception.
598     * @hide
599     */
600    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
601
602    /**
603     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
604     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
605     * if the parser did not find any certificates in the .apk.
606     * @hide
607     */
608    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
609
610    /**
611     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
612     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
613     * if the parser found inconsistent certificates on the files in the .apk.
614     * @hide
615     */
616    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
617
618    /**
619     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
620     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
621     * if the parser encountered a CertificateEncodingException in one of the
622     * files in the .apk.
623     * @hide
624     */
625    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
626
627    /**
628     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
629     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
630     * if the parser encountered a bad or missing package name in the manifest.
631     * @hide
632     */
633    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
634
635    /**
636     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
637     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
638     * if the parser encountered a bad shared user id name in the manifest.
639     * @hide
640     */
641    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
642
643    /**
644     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
645     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
646     * if the parser encountered some structural problem in the manifest.
647     * @hide
648     */
649    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
650
651    /**
652     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
653     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
654     * if the parser did not find any actionable tags (instrumentation or application)
655     * in the manifest.
656     * @hide
657     */
658    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
659
660    /**
661     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
662     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
663     * if the system failed to install the package because of system issues.
664     * @hide
665     */
666    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
667
668    /**
669     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
670     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
671     * if the system failed to install the package because the user is restricted from installing
672     * apps.
673     * @hide
674     */
675    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
676
677    /**
678     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
679     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
680     * if the system failed to install the package because its packaged native code did not
681     * match any of the ABIs supported by the system.
682     *
683     * @hide
684     */
685    public static final int INSTALL_FAILED_NO_MATCHING_ABIS = -112;
686
687    /**
688     * Internal return code for NativeLibraryHelper methods to indicate that the package
689     * being processed did not contain any native code. This is placed here only so that
690     * it can belong to the same value space as the other install failure codes.
691     *
692     * @hide
693     */
694    public static final int NO_NATIVE_LIBRARIES = -113;
695
696    /**
697     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
698     * package's data directory.
699     *
700     * @hide
701     */
702    public static final int DELETE_KEEP_DATA = 0x00000001;
703
704    /**
705     * Flag parameter for {@link #deletePackage} to indicate that you want the
706     * package deleted for all users.
707     *
708     * @hide
709     */
710    public static final int DELETE_ALL_USERS = 0x00000002;
711
712    /**
713     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
714     * uninstall on a system that has been updated, then don't do the normal process
715     * of uninstalling the update and rolling back to the older system version (which
716     * needs to happen for all users); instead, just mark the app as uninstalled for
717     * the current user.
718     *
719     * @hide
720     */
721    public static final int DELETE_SYSTEM_APP = 0x00000004;
722
723    /**
724     * Return code for when package deletion succeeds. This is passed to the
725     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
726     * succeeded in deleting the package.
727     *
728     * @hide
729     */
730    public static final int DELETE_SUCCEEDED = 1;
731
732    /**
733     * Deletion failed return code: this is passed to the
734     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
735     * failed to delete the package for an unspecified reason.
736     *
737     * @hide
738     */
739    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
740
741    /**
742     * Deletion failed return code: this is passed to the
743     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
744     * failed to delete the package because it is the active DevicePolicy
745     * manager.
746     *
747     * @hide
748     */
749    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
750
751    /**
752     * Deletion failed return code: this is passed to the
753     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
754     * failed to delete the package since the user is restricted.
755     *
756     * @hide
757     */
758    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
759
760    /**
761     * Return code that is passed to the {@link IPackageMoveObserver} by
762     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
763     * package has been successfully moved by the system.
764     *
765     * @hide
766     */
767    public static final int MOVE_SUCCEEDED = 1;
768    /**
769     * Error code that is passed to the {@link IPackageMoveObserver} by
770     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
771     * when the package hasn't been successfully moved by the system
772     * because of insufficient memory on specified media.
773     * @hide
774     */
775    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
776
777    /**
778     * Error code that is passed to the {@link IPackageMoveObserver} by
779     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
780     * if the specified package doesn't exist.
781     * @hide
782     */
783    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
784
785    /**
786     * Error code that is passed to the {@link IPackageMoveObserver} by
787     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
788     * if the specified package cannot be moved since its a system package.
789     * @hide
790     */
791    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
792
793    /**
794     * Error code that is passed to the {@link IPackageMoveObserver} by
795     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
796     * if the specified package cannot be moved since its forward locked.
797     * @hide
798     */
799    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
800
801    /**
802     * Error code that is passed to the {@link IPackageMoveObserver} by
803     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
804     * if the specified package cannot be moved to the specified location.
805     * @hide
806     */
807    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
808
809    /**
810     * Error code that is passed to the {@link IPackageMoveObserver} by
811     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
812     * if the specified package cannot be moved to the specified location.
813     * @hide
814     */
815    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
816
817    /**
818     * Error code that is passed to the {@link IPackageMoveObserver} by
819     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
820     * specified package already has an operation pending in the
821     * {@link PackageHandler} queue.
822     *
823     * @hide
824     */
825    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
826
827    /**
828     * Flag parameter for {@link #movePackage} to indicate that
829     * the package should be moved to internal storage if its
830     * been installed on external media.
831     * @hide
832     */
833    public static final int MOVE_INTERNAL = 0x00000001;
834
835    /**
836     * Flag parameter for {@link #movePackage} to indicate that
837     * the package should be moved to external media.
838     * @hide
839     */
840    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
841
842    /**
843     * Usable by the required verifier as the {@code verificationCode} argument
844     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
845     * allow the installation to proceed without any of the optional verifiers
846     * needing to vote.
847     *
848     * @hide
849     */
850    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
851
852    /**
853     * Used as the {@code verificationCode} argument for
854     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
855     * package verifier allows the installation to proceed.
856     */
857    public static final int VERIFICATION_ALLOW = 1;
858
859    /**
860     * Used as the {@code verificationCode} argument for
861     * {@link PackageManager#verifyPendingInstall} to indicate the calling
862     * package verifier does not vote to allow the installation to proceed.
863     */
864    public static final int VERIFICATION_REJECT = -1;
865
866    /**
867     * Can be used as the {@code millisecondsToDelay} argument for
868     * {@link PackageManager#extendVerificationTimeout}. This is the
869     * maximum time {@code PackageManager} waits for the verification
870     * agent to return (in milliseconds).
871     */
872    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
873
874    /**
875     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
876     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
877     * lag in sound input or output.
878     */
879    @SdkConstant(SdkConstantType.FEATURE)
880    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
881
882    /**
883     * Feature for {@link #getSystemAvailableFeatures} and
884     * {@link #hasSystemFeature}: The device is capable of communicating with
885     * other devices via Bluetooth.
886     */
887    @SdkConstant(SdkConstantType.FEATURE)
888    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
889
890    /**
891     * Feature for {@link #getSystemAvailableFeatures} and
892     * {@link #hasSystemFeature}: The device is capable of communicating with
893     * other devices via Bluetooth Low Energy radio.
894     */
895    @SdkConstant(SdkConstantType.FEATURE)
896    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
897
898    /**
899     * Feature for {@link #getSystemAvailableFeatures} and
900     * {@link #hasSystemFeature}: The device has a camera facing away
901     * from the screen.
902     */
903    @SdkConstant(SdkConstantType.FEATURE)
904    public static final String FEATURE_CAMERA = "android.hardware.camera";
905
906    /**
907     * Feature for {@link #getSystemAvailableFeatures} and
908     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
909     */
910    @SdkConstant(SdkConstantType.FEATURE)
911    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
912
913    /**
914     * Feature for {@link #getSystemAvailableFeatures} and
915     * {@link #hasSystemFeature}: The device has at least one camera pointing in
916     * some direction.
917     */
918    @SdkConstant(SdkConstantType.FEATURE)
919    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
920
921    /**
922     * Feature for {@link #getSystemAvailableFeatures} and
923     * {@link #hasSystemFeature}: The device's camera supports flash.
924     */
925    @SdkConstant(SdkConstantType.FEATURE)
926    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
927
928    /**
929     * Feature for {@link #getSystemAvailableFeatures} and
930     * {@link #hasSystemFeature}: The device has a front facing camera.
931     */
932    @SdkConstant(SdkConstantType.FEATURE)
933    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
934
935    /**
936     * Feature for {@link #getSystemAvailableFeatures} and
937     * {@link #hasSystemFeature}: The device is capable of communicating with
938     * consumer IR devices.
939     */
940    @SdkConstant(SdkConstantType.FEATURE)
941    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
942
943    /**
944     * Feature for {@link #getSystemAvailableFeatures} and
945     * {@link #hasSystemFeature}: The device supports one or more methods of
946     * reporting current location.
947     */
948    @SdkConstant(SdkConstantType.FEATURE)
949    public static final String FEATURE_LOCATION = "android.hardware.location";
950
951    /**
952     * Feature for {@link #getSystemAvailableFeatures} and
953     * {@link #hasSystemFeature}: The device has a Global Positioning System
954     * receiver and can report precise location.
955     */
956    @SdkConstant(SdkConstantType.FEATURE)
957    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
958
959    /**
960     * Feature for {@link #getSystemAvailableFeatures} and
961     * {@link #hasSystemFeature}: The device can report location with coarse
962     * accuracy using a network-based geolocation system.
963     */
964    @SdkConstant(SdkConstantType.FEATURE)
965    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
966
967    /**
968     * Feature for {@link #getSystemAvailableFeatures} and
969     * {@link #hasSystemFeature}: The device can record audio via a
970     * microphone.
971     */
972    @SdkConstant(SdkConstantType.FEATURE)
973    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
974
975    /**
976     * Feature for {@link #getSystemAvailableFeatures} and
977     * {@link #hasSystemFeature}: The device can communicate using Near-Field
978     * Communications (NFC).
979     */
980    @SdkConstant(SdkConstantType.FEATURE)
981    public static final String FEATURE_NFC = "android.hardware.nfc";
982
983    /**
984     * Feature for {@link #getSystemAvailableFeatures} and
985     * {@link #hasSystemFeature}: The device supports host-
986     * based NFC card emulation.
987     *
988     * TODO remove when depending apps have moved to new constant.
989     * @hide
990     * @deprecated
991     */
992    @SdkConstant(SdkConstantType.FEATURE)
993    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
994
995    /**
996     * Feature for {@link #getSystemAvailableFeatures} and
997     * {@link #hasSystemFeature}: The device supports host-
998     * based NFC card emulation.
999     */
1000    @SdkConstant(SdkConstantType.FEATURE)
1001    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
1002
1003    /**
1004     * Feature for {@link #getSystemAvailableFeatures} and
1005     * {@link #hasSystemFeature}: The device includes an accelerometer.
1006     */
1007    @SdkConstant(SdkConstantType.FEATURE)
1008    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
1009
1010    /**
1011     * Feature for {@link #getSystemAvailableFeatures} and
1012     * {@link #hasSystemFeature}: The device includes a barometer (air
1013     * pressure sensor.)
1014     */
1015    @SdkConstant(SdkConstantType.FEATURE)
1016    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1017
1018    /**
1019     * Feature for {@link #getSystemAvailableFeatures} and
1020     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1021     */
1022    @SdkConstant(SdkConstantType.FEATURE)
1023    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1024
1025    /**
1026     * Feature for {@link #getSystemAvailableFeatures} and
1027     * {@link #hasSystemFeature}: The device includes a gyroscope.
1028     */
1029    @SdkConstant(SdkConstantType.FEATURE)
1030    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1031
1032    /**
1033     * Feature for {@link #getSystemAvailableFeatures} and
1034     * {@link #hasSystemFeature}: The device includes a light sensor.
1035     */
1036    @SdkConstant(SdkConstantType.FEATURE)
1037    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1038
1039    /**
1040     * Feature for {@link #getSystemAvailableFeatures} and
1041     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1042     */
1043    @SdkConstant(SdkConstantType.FEATURE)
1044    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1045
1046    /**
1047     * Feature for {@link #getSystemAvailableFeatures} and
1048     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1049     */
1050    @SdkConstant(SdkConstantType.FEATURE)
1051    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1052
1053    /**
1054     * Feature for {@link #getSystemAvailableFeatures} and
1055     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1056     */
1057    @SdkConstant(SdkConstantType.FEATURE)
1058    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1059
1060    /**
1061     * Feature for {@link #getSystemAvailableFeatures} and
1062     * {@link #hasSystemFeature}: The device has a telephony radio with data
1063     * communication support.
1064     */
1065    @SdkConstant(SdkConstantType.FEATURE)
1066    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1067
1068    /**
1069     * Feature for {@link #getSystemAvailableFeatures} and
1070     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1071     */
1072    @SdkConstant(SdkConstantType.FEATURE)
1073    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1074
1075    /**
1076     * Feature for {@link #getSystemAvailableFeatures} and
1077     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1078     */
1079    @SdkConstant(SdkConstantType.FEATURE)
1080    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1081
1082    /**
1083     * Feature for {@link #getSystemAvailableFeatures} and
1084     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1085     * as the USB host.
1086     */
1087    @SdkConstant(SdkConstantType.FEATURE)
1088    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1089
1090    /**
1091     * Feature for {@link #getSystemAvailableFeatures} and
1092     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1093     */
1094    @SdkConstant(SdkConstantType.FEATURE)
1095    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1096
1097    /**
1098     * Feature for {@link #getSystemAvailableFeatures} and
1099     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1100     */
1101    @SdkConstant(SdkConstantType.FEATURE)
1102    public static final String FEATURE_SIP = "android.software.sip";
1103
1104    /**
1105     * Feature for {@link #getSystemAvailableFeatures} and
1106     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1107     */
1108    @SdkConstant(SdkConstantType.FEATURE)
1109    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1110
1111    /**
1112     * Feature for {@link #getSystemAvailableFeatures} and
1113     * {@link #hasSystemFeature}: The device's display has a touch screen.
1114     */
1115    @SdkConstant(SdkConstantType.FEATURE)
1116    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1117
1118
1119    /**
1120     * Feature for {@link #getSystemAvailableFeatures} and
1121     * {@link #hasSystemFeature}: The device's touch screen supports
1122     * multitouch sufficient for basic two-finger gesture detection.
1123     */
1124    @SdkConstant(SdkConstantType.FEATURE)
1125    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1126
1127    /**
1128     * Feature for {@link #getSystemAvailableFeatures} and
1129     * {@link #hasSystemFeature}: The device's touch screen is capable of
1130     * tracking two or more fingers fully independently.
1131     */
1132    @SdkConstant(SdkConstantType.FEATURE)
1133    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1134
1135    /**
1136     * Feature for {@link #getSystemAvailableFeatures} and
1137     * {@link #hasSystemFeature}: The device's touch screen is capable of
1138     * tracking a full hand of fingers fully independently -- that is, 5 or
1139     * more simultaneous independent pointers.
1140     */
1141    @SdkConstant(SdkConstantType.FEATURE)
1142    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1143
1144    /**
1145     * Feature for {@link #getSystemAvailableFeatures} and
1146     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1147     * does support touch emulation for basic events. For instance, the
1148     * device might use a mouse or remote control to drive a cursor, and
1149     * emulate basic touch pointer events like down, up, drag, etc. All
1150     * devices that support android.hardware.touchscreen or a sub-feature are
1151     * presumed to also support faketouch.
1152     */
1153    @SdkConstant(SdkConstantType.FEATURE)
1154    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1155
1156    /**
1157     * Feature for {@link #getSystemAvailableFeatures} and
1158     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1159     * does support touch emulation for basic events that supports distinct
1160     * tracking of two or more fingers.  This is an extension of
1161     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1162     * that unlike a distinct multitouch screen as defined by
1163     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1164     * devices will not actually provide full two-finger gestures since the
1165     * input is being transformed to cursor movement on the screen.  That is,
1166     * single finger gestures will move a cursor; two-finger swipes will
1167     * result in single-finger touch events; other two-finger gestures will
1168     * result in the corresponding two-finger touch event.
1169     */
1170    @SdkConstant(SdkConstantType.FEATURE)
1171    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1172
1173    /**
1174     * Feature for {@link #getSystemAvailableFeatures} and
1175     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1176     * does support touch emulation for basic events that supports tracking
1177     * a hand of fingers (5 or more fingers) fully independently.
1178     * This is an extension of
1179     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1180     * that unlike a multitouch screen as defined by
1181     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1182     * gestures can be detected due to the limitations described for
1183     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1184     */
1185    @SdkConstant(SdkConstantType.FEATURE)
1186    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1187
1188    /**
1189     * Feature for {@link #getSystemAvailableFeatures} and
1190     * {@link #hasSystemFeature}: The device supports portrait orientation
1191     * screens.  For backwards compatibility, you can assume that if neither
1192     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1193     * both portrait and landscape.
1194     */
1195    @SdkConstant(SdkConstantType.FEATURE)
1196    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1197
1198    /**
1199     * Feature for {@link #getSystemAvailableFeatures} and
1200     * {@link #hasSystemFeature}: The device supports landscape orientation
1201     * screens.  For backwards compatibility, you can assume that if neither
1202     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1203     * both portrait and landscape.
1204     */
1205    @SdkConstant(SdkConstantType.FEATURE)
1206    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1207
1208    /**
1209     * Feature for {@link #getSystemAvailableFeatures} and
1210     * {@link #hasSystemFeature}: The device supports live wallpapers.
1211     */
1212    @SdkConstant(SdkConstantType.FEATURE)
1213    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1214
1215    /**
1216     * Feature for {@link #getSystemAvailableFeatures} and
1217     * {@link #hasSystemFeature}: The device supports app widgets.
1218     */
1219    @SdkConstant(SdkConstantType.FEATURE)
1220    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1221
1222    /**
1223     * Feature for {@link #getSystemAvailableFeatures} and
1224     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1225     * by third party applications.
1226     */
1227    @SdkConstant(SdkConstantType.FEATURE)
1228    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1229
1230    /**
1231     * Feature for {@link #getSystemAvailableFeatures} and
1232     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1233     * with the {@link android.inputmethodservice.InputMethodService} API.
1234     */
1235    @SdkConstant(SdkConstantType.FEATURE)
1236    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1237
1238    /**
1239     * Feature for {@link #getSystemAvailableFeatures} and
1240     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1241     */
1242    @SdkConstant(SdkConstantType.FEATURE)
1243    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1244
1245    /**
1246     * Feature for {@link #getSystemAvailableFeatures} and
1247     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1248     * typically used in a living room television experience, but is a software
1249     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1250     * feature will use resources associated with the "television" UI mode.
1251     */
1252    @SdkConstant(SdkConstantType.FEATURE)
1253    public static final String FEATURE_LEANBACK = "android.software.leanback";
1254
1255    /**
1256     * Feature for {@link #getSystemAvailableFeatures} and
1257     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1258     * applications designed for this experience should be run, though this is
1259     * not enforced by the system.
1260     * @hide
1261     */
1262    @SdkConstant(SdkConstantType.FEATURE)
1263    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1264
1265    /**
1266     * Feature for {@link #getSystemAvailableFeatures} and
1267     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1268     */
1269    @SdkConstant(SdkConstantType.FEATURE)
1270    public static final String FEATURE_WIFI = "android.hardware.wifi";
1271
1272    /**
1273     * Feature for {@link #getSystemAvailableFeatures} and
1274     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1275     */
1276    @SdkConstant(SdkConstantType.FEATURE)
1277    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1278
1279    /**
1280     * Feature for {@link #getSystemAvailableFeatures} and
1281     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1282     * on a television.  Television here is defined to be a typical living
1283     * room television experience: displayed on a big screen, where the user
1284     * is sitting far away from it, and the dominant form of input will be
1285     * something like a DPAD, not through touch or mouse.
1286     * @deprecated use {@link #FEATURE_LEANBACK} instead.
1287     */
1288    @SdkConstant(SdkConstantType.FEATURE)
1289    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1290
1291    /**
1292     * Feature for {@link #getSystemAvailableFeatures} and
1293     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1294     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1295     * the wrist. The user is very close when interacting with the device.
1296     */
1297    @SdkConstant(SdkConstantType.FEATURE)
1298    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1299
1300    /**
1301     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1302     * The device supports printing.
1303     */
1304    @SdkConstant(SdkConstantType.FEATURE)
1305    public static final String FEATURE_PRINTING = "android.software.print";
1306
1307    /**
1308     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1309     * The device can perform backup and restore operations on installed applications.
1310     */
1311    @SdkConstant(SdkConstantType.FEATURE)
1312    public static final String FEATURE_BACKUP = "android.software.backup";
1313
1314    /**
1315     * Action to external storage service to clean out removed apps.
1316     * @hide
1317     */
1318    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1319            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1320
1321    /**
1322     * Extra field name for the URI to a verification file. Passed to a package
1323     * verifier.
1324     *
1325     * @hide
1326     */
1327    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1328
1329    /**
1330     * Extra field name for the ID of a package pending verification. Passed to
1331     * a package verifier and is used to call back to
1332     * {@link PackageManager#verifyPendingInstall(int, int)}
1333     */
1334    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1335
1336    /**
1337     * Extra field name for the package identifier which is trying to install
1338     * the package.
1339     *
1340     * @hide
1341     */
1342    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1343            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1344
1345    /**
1346     * Extra field name for the requested install flags for a package pending
1347     * verification. Passed to a package verifier.
1348     *
1349     * @hide
1350     */
1351    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1352            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1353
1354    /**
1355     * Extra field name for the uid of who is requesting to install
1356     * the package.
1357     *
1358     * @hide
1359     */
1360    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1361            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1362
1363    /**
1364     * Extra field name for the package name of a package pending verification.
1365     *
1366     * @hide
1367     */
1368    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1369            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1370    /**
1371     * Extra field name for the result of a verification, either
1372     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1373     * Passed to package verifiers after a package is verified.
1374     */
1375    public static final String EXTRA_VERIFICATION_RESULT
1376            = "android.content.pm.extra.VERIFICATION_RESULT";
1377
1378    /**
1379     * Extra field name for the version code of a package pending verification.
1380     *
1381     * @hide
1382     */
1383    public static final String EXTRA_VERIFICATION_VERSION_CODE
1384            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1385
1386    /**
1387     * The action used to request that the user approve a permission request
1388     * from the application.
1389     *
1390     * @hide
1391     */
1392    public static final String ACTION_REQUEST_PERMISSION
1393            = "android.content.pm.action.REQUEST_PERMISSION";
1394
1395    /**
1396     * Extra field name for the list of permissions, which the user must approve.
1397     *
1398     * @hide
1399     */
1400    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1401            = "android.content.pm.extra.PERMISSION_LIST";
1402
1403    /**
1404     * Retrieve overall information about an application package that is
1405     * installed on the system.
1406     * <p>
1407     * Throws {@link NameNotFoundException} if a package with the given name can
1408     * not be found on the system.
1409     *
1410     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1411     *            desired package.
1412     * @param flags Additional option flags. Use any combination of
1413     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1414     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1415     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1416     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1417     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1418     *            modify the data returned.
1419     * @return Returns a PackageInfo object containing information about the
1420     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1421     *         package is not found in the list of installed applications, the
1422     *         package information is retrieved from the list of uninstalled
1423     *         applications (which includes installed applications as well as
1424     *         applications with data directory i.e. applications which had been
1425     *         deleted with {@code DONT_DELETE_DATA} flag set).
1426     * @see #GET_ACTIVITIES
1427     * @see #GET_GIDS
1428     * @see #GET_CONFIGURATIONS
1429     * @see #GET_INSTRUMENTATION
1430     * @see #GET_PERMISSIONS
1431     * @see #GET_PROVIDERS
1432     * @see #GET_RECEIVERS
1433     * @see #GET_SERVICES
1434     * @see #GET_SIGNATURES
1435     * @see #GET_UNINSTALLED_PACKAGES
1436     */
1437    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1438            throws NameNotFoundException;
1439
1440    /**
1441     * Map from the current package names in use on the device to whatever
1442     * the current canonical name of that package is.
1443     * @param names Array of current names to be mapped.
1444     * @return Returns an array of the same size as the original, containing
1445     * the canonical name for each package.
1446     */
1447    public abstract String[] currentToCanonicalPackageNames(String[] names);
1448
1449    /**
1450     * Map from a packages canonical name to the current name in use on the device.
1451     * @param names Array of new names to be mapped.
1452     * @return Returns an array of the same size as the original, containing
1453     * the current name for each package.
1454     */
1455    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1456
1457    /**
1458     * Return a "good" intent to launch a front-door activity in a package,
1459     * for use for example to implement an "open" button when browsing through
1460     * packages.  The current implementation will look first for a main
1461     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1462     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1463     * null if neither are found.
1464     *
1465     * <p>Throws {@link NameNotFoundException} if a package with the given
1466     * name cannot be found on the system.
1467     *
1468     * @param packageName The name of the package to inspect.
1469     *
1470     * @return Returns either a fully-qualified Intent that can be used to
1471     * launch the main activity in the package, or null if the package does
1472     * not contain such an activity.
1473     */
1474    public abstract Intent getLaunchIntentForPackage(String packageName);
1475
1476    /**
1477     * Return an array of all of the secondary group-ids that have been
1478     * assigned to a package.
1479     *
1480     * <p>Throws {@link NameNotFoundException} if a package with the given
1481     * name cannot be found on the system.
1482     *
1483     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1484     *                    desired package.
1485     *
1486     * @return Returns an int array of the assigned gids, or null if there
1487     * are none.
1488     */
1489    public abstract int[] getPackageGids(String packageName)
1490            throws NameNotFoundException;
1491
1492    /**
1493     * @hide Return the uid associated with the given package name for the
1494     * given user.
1495     *
1496     * <p>Throws {@link NameNotFoundException} if a package with the given
1497     * name can not be found on the system.
1498     *
1499     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1500     *                    desired package.
1501     * @param userHandle The user handle identifier to look up the package under.
1502     *
1503     * @return Returns an integer uid who owns the given package name.
1504     */
1505    public abstract int getPackageUid(String packageName, int userHandle)
1506            throws NameNotFoundException;
1507
1508    /**
1509     * Retrieve all of the information we know about a particular permission.
1510     *
1511     * <p>Throws {@link NameNotFoundException} if a permission with the given
1512     * name cannot be found on the system.
1513     *
1514     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1515     *             of the permission you are interested in.
1516     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1517     * retrieve any meta-data associated with the permission.
1518     *
1519     * @return Returns a {@link PermissionInfo} containing information about the
1520     *         permission.
1521     */
1522    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1523            throws NameNotFoundException;
1524
1525    /**
1526     * Query for all of the permissions associated with a particular group.
1527     *
1528     * <p>Throws {@link NameNotFoundException} if the given group does not
1529     * exist.
1530     *
1531     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1532     *             of the permission group you are interested in.  Use null to
1533     *             find all of the permissions not associated with a group.
1534     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1535     * retrieve any meta-data associated with the permissions.
1536     *
1537     * @return Returns a list of {@link PermissionInfo} containing information
1538     * about all of the permissions in the given group.
1539     */
1540    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1541            int flags) throws NameNotFoundException;
1542
1543    /**
1544     * Retrieve all of the information we know about a particular group of
1545     * permissions.
1546     *
1547     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1548     * name cannot be found on the system.
1549     *
1550     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1551     *             of the permission you are interested in.
1552     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1553     * retrieve any meta-data associated with the permission group.
1554     *
1555     * @return Returns a {@link PermissionGroupInfo} containing information
1556     * about the permission.
1557     */
1558    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1559            int flags) throws NameNotFoundException;
1560
1561    /**
1562     * Retrieve all of the known permission groups in the system.
1563     *
1564     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1565     * retrieve any meta-data associated with the permission group.
1566     *
1567     * @return Returns a list of {@link PermissionGroupInfo} containing
1568     * information about all of the known permission groups.
1569     */
1570    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1571
1572    /**
1573     * Retrieve all of the information we know about a particular
1574     * package/application.
1575     *
1576     * <p>Throws {@link NameNotFoundException} if an application with the given
1577     * package name cannot be found on the system.
1578     *
1579     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1580     *                    application.
1581     * @param flags Additional option flags. Use any combination of
1582     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1583     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1584     *
1585     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1586     *         information about the package.
1587     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1588     *         found in the list of installed applications,
1589     *         the application information is retrieved from the
1590     *         list of uninstalled applications(which includes
1591     *         installed applications as well as applications
1592     *         with data directory ie applications which had been
1593     *         deleted with {@code DONT_DELETE_DATA} flag set).
1594     *
1595     * @see #GET_META_DATA
1596     * @see #GET_SHARED_LIBRARY_FILES
1597     * @see #GET_UNINSTALLED_PACKAGES
1598     */
1599    public abstract ApplicationInfo getApplicationInfo(String packageName,
1600            int flags) throws NameNotFoundException;
1601
1602    /**
1603     * Retrieve all of the information we know about a particular activity
1604     * class.
1605     *
1606     * <p>Throws {@link NameNotFoundException} if an activity with the given
1607     * class name cannot be found on the system.
1608     *
1609     * @param component The full component name (i.e.
1610     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1611     * class.
1612     * @param flags Additional option flags. Use any combination of
1613     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1614     * to modify the data (in ApplicationInfo) returned.
1615     *
1616     * @return {@link ActivityInfo} containing information about the activity.
1617     *
1618     * @see #GET_INTENT_FILTERS
1619     * @see #GET_META_DATA
1620     * @see #GET_SHARED_LIBRARY_FILES
1621     */
1622    public abstract ActivityInfo getActivityInfo(ComponentName component,
1623            int flags) throws NameNotFoundException;
1624
1625    /**
1626     * Retrieve all of the information we know about a particular receiver
1627     * class.
1628     *
1629     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1630     * class name cannot be found on the system.
1631     *
1632     * @param component The full component name (i.e.
1633     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1634     * class.
1635     * @param flags Additional option flags.  Use any combination of
1636     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1637     * to modify the data returned.
1638     *
1639     * @return {@link ActivityInfo} containing information about the receiver.
1640     *
1641     * @see #GET_INTENT_FILTERS
1642     * @see #GET_META_DATA
1643     * @see #GET_SHARED_LIBRARY_FILES
1644     */
1645    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1646            int flags) throws NameNotFoundException;
1647
1648    /**
1649     * Retrieve all of the information we know about a particular service
1650     * class.
1651     *
1652     * <p>Throws {@link NameNotFoundException} if a service with the given
1653     * class name cannot be found on the system.
1654     *
1655     * @param component The full component name (i.e.
1656     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1657     * class.
1658     * @param flags Additional option flags.  Use any combination of
1659     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1660     * to modify the data returned.
1661     *
1662     * @return ServiceInfo containing information about the service.
1663     *
1664     * @see #GET_META_DATA
1665     * @see #GET_SHARED_LIBRARY_FILES
1666     */
1667    public abstract ServiceInfo getServiceInfo(ComponentName component,
1668            int flags) throws NameNotFoundException;
1669
1670    /**
1671     * Retrieve all of the information we know about a particular content
1672     * provider class.
1673     *
1674     * <p>Throws {@link NameNotFoundException} if a provider with the given
1675     * class name cannot be found on the system.
1676     *
1677     * @param component The full component name (i.e.
1678     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1679     * ContentProvider class.
1680     * @param flags Additional option flags.  Use any combination of
1681     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1682     * to modify the data returned.
1683     *
1684     * @return ProviderInfo containing information about the service.
1685     *
1686     * @see #GET_META_DATA
1687     * @see #GET_SHARED_LIBRARY_FILES
1688     */
1689    public abstract ProviderInfo getProviderInfo(ComponentName component,
1690            int flags) throws NameNotFoundException;
1691
1692    /**
1693     * Return a List of all packages that are installed
1694     * on the device.
1695     *
1696     * @param flags Additional option flags. Use any combination of
1697     * {@link #GET_ACTIVITIES},
1698     * {@link #GET_GIDS},
1699     * {@link #GET_CONFIGURATIONS},
1700     * {@link #GET_INSTRUMENTATION},
1701     * {@link #GET_PERMISSIONS},
1702     * {@link #GET_PROVIDERS},
1703     * {@link #GET_RECEIVERS},
1704     * {@link #GET_SERVICES},
1705     * {@link #GET_SIGNATURES},
1706     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1707     *
1708     * @return A List of PackageInfo objects, one for each package that is
1709     *         installed on the device.  In the unlikely case of there being no
1710     *         installed packages, an empty list is returned.
1711     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1712     *         applications including those deleted with {@code DONT_DELETE_DATA}
1713     *         (partially installed apps with data directory) will be returned.
1714     *
1715     * @see #GET_ACTIVITIES
1716     * @see #GET_GIDS
1717     * @see #GET_CONFIGURATIONS
1718     * @see #GET_INSTRUMENTATION
1719     * @see #GET_PERMISSIONS
1720     * @see #GET_PROVIDERS
1721     * @see #GET_RECEIVERS
1722     * @see #GET_SERVICES
1723     * @see #GET_SIGNATURES
1724     * @see #GET_UNINSTALLED_PACKAGES
1725     */
1726    public abstract List<PackageInfo> getInstalledPackages(int flags);
1727
1728    /**
1729     * Return a List of all installed packages that are currently
1730     * holding any of the given permissions.
1731     *
1732     * @param flags Additional option flags. Use any combination of
1733     * {@link #GET_ACTIVITIES},
1734     * {@link #GET_GIDS},
1735     * {@link #GET_CONFIGURATIONS},
1736     * {@link #GET_INSTRUMENTATION},
1737     * {@link #GET_PERMISSIONS},
1738     * {@link #GET_PROVIDERS},
1739     * {@link #GET_RECEIVERS},
1740     * {@link #GET_SERVICES},
1741     * {@link #GET_SIGNATURES},
1742     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1743     *
1744     * @return Returns a List of PackageInfo objects, one for each installed
1745     * application that is holding any of the permissions that were provided.
1746     *
1747     * @see #GET_ACTIVITIES
1748     * @see #GET_GIDS
1749     * @see #GET_CONFIGURATIONS
1750     * @see #GET_INSTRUMENTATION
1751     * @see #GET_PERMISSIONS
1752     * @see #GET_PROVIDERS
1753     * @see #GET_RECEIVERS
1754     * @see #GET_SERVICES
1755     * @see #GET_SIGNATURES
1756     * @see #GET_UNINSTALLED_PACKAGES
1757     */
1758    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1759            String[] permissions, int flags);
1760
1761    /**
1762     * Return a List of all packages that are installed on the device, for a specific user.
1763     * Requesting a list of installed packages for another user
1764     * will require the permission INTERACT_ACROSS_USERS_FULL.
1765     * @param flags Additional option flags. Use any combination of
1766     * {@link #GET_ACTIVITIES},
1767     * {@link #GET_GIDS},
1768     * {@link #GET_CONFIGURATIONS},
1769     * {@link #GET_INSTRUMENTATION},
1770     * {@link #GET_PERMISSIONS},
1771     * {@link #GET_PROVIDERS},
1772     * {@link #GET_RECEIVERS},
1773     * {@link #GET_SERVICES},
1774     * {@link #GET_SIGNATURES},
1775     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1776     * @param userId The user for whom the installed packages are to be listed
1777     *
1778     * @return A List of PackageInfo objects, one for each package that is
1779     *         installed on the device.  In the unlikely case of there being no
1780     *         installed packages, an empty list is returned.
1781     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1782     *         applications including those deleted with {@code DONT_DELETE_DATA}
1783     *         (partially installed apps with data directory) will be returned.
1784     *
1785     * @see #GET_ACTIVITIES
1786     * @see #GET_GIDS
1787     * @see #GET_CONFIGURATIONS
1788     * @see #GET_INSTRUMENTATION
1789     * @see #GET_PERMISSIONS
1790     * @see #GET_PROVIDERS
1791     * @see #GET_RECEIVERS
1792     * @see #GET_SERVICES
1793     * @see #GET_SIGNATURES
1794     * @see #GET_UNINSTALLED_PACKAGES
1795     *
1796     * @hide
1797     */
1798    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1799
1800    /**
1801     * Check whether a particular package has been granted a particular
1802     * permission.
1803     *
1804     * @param permName The name of the permission you are checking for,
1805     * @param pkgName The name of the package you are checking against.
1806     *
1807     * @return If the package has the permission, PERMISSION_GRANTED is
1808     * returned.  If it does not have the permission, PERMISSION_DENIED
1809     * is returned.
1810     *
1811     * @see #PERMISSION_GRANTED
1812     * @see #PERMISSION_DENIED
1813     */
1814    public abstract int checkPermission(String permName, String pkgName);
1815
1816    /**
1817     * Add a new dynamic permission to the system.  For this to work, your
1818     * package must have defined a permission tree through the
1819     * {@link android.R.styleable#AndroidManifestPermissionTree
1820     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1821     * permissions to trees that were defined by either its own package or
1822     * another with the same user id; a permission is in a tree if it
1823     * matches the name of the permission tree + ".": for example,
1824     * "com.foo.bar" is a member of the permission tree "com.foo".
1825     *
1826     * <p>It is good to make your permission tree name descriptive, because you
1827     * are taking possession of that entire set of permission names.  Thus, it
1828     * must be under a domain you control, with a suffix that will not match
1829     * any normal permissions that may be declared in any applications that
1830     * are part of that domain.
1831     *
1832     * <p>New permissions must be added before
1833     * any .apks are installed that use those permissions.  Permissions you
1834     * add through this method are remembered across reboots of the device.
1835     * If the given permission already exists, the info you supply here
1836     * will be used to update it.
1837     *
1838     * @param info Description of the permission to be added.
1839     *
1840     * @return Returns true if a new permission was created, false if an
1841     * existing one was updated.
1842     *
1843     * @throws SecurityException if you are not allowed to add the
1844     * given permission name.
1845     *
1846     * @see #removePermission(String)
1847     */
1848    public abstract boolean addPermission(PermissionInfo info);
1849
1850    /**
1851     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1852     * persists the package manager state after returning from the call,
1853     * allowing it to return quicker and batch a series of adds at the
1854     * expense of no guarantee the added permission will be retained if
1855     * the device is rebooted before it is written.
1856     */
1857    public abstract boolean addPermissionAsync(PermissionInfo info);
1858
1859    /**
1860     * Removes a permission that was previously added with
1861     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1862     * -- you are only allowed to remove permissions that you are allowed
1863     * to add.
1864     *
1865     * @param name The name of the permission to remove.
1866     *
1867     * @throws SecurityException if you are not allowed to remove the
1868     * given permission name.
1869     *
1870     * @see #addPermission(PermissionInfo)
1871     */
1872    public abstract void removePermission(String name);
1873
1874    /**
1875     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1876     * which prompts the user to grant {@code permissions} to this application.
1877     * @hide
1878     *
1879     * @throws NullPointerException if {@code permissions} is {@code null}.
1880     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1881     */
1882    public Intent buildPermissionRequestIntent(String... permissions) {
1883        if (permissions == null) {
1884            throw new NullPointerException("permissions cannot be null");
1885        }
1886        for (String permission : permissions) {
1887            if (permission == null) {
1888                throw new IllegalArgumentException("permissions cannot contain null");
1889            }
1890        }
1891
1892        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1893        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1894        i.setPackage("com.android.packageinstaller");
1895        return i;
1896    }
1897
1898    /**
1899     * Grant a permission to an application which the application does not
1900     * already have.  The permission must have been requested by the application,
1901     * but as an optional permission.  If the application is not allowed to
1902     * hold the permission, a SecurityException is thrown.
1903     * @hide
1904     *
1905     * @param packageName The name of the package that the permission will be
1906     * granted to.
1907     * @param permissionName The name of the permission.
1908     */
1909    public abstract void grantPermission(String packageName, String permissionName);
1910
1911    /**
1912     * Revoke a permission that was previously granted by {@link #grantPermission}.
1913     * @hide
1914     *
1915     * @param packageName The name of the package that the permission will be
1916     * granted to.
1917     * @param permissionName The name of the permission.
1918     */
1919    public abstract void revokePermission(String packageName, String permissionName);
1920
1921    /**
1922     * Compare the signatures of two packages to determine if the same
1923     * signature appears in both of them.  If they do contain the same
1924     * signature, then they are allowed special privileges when working
1925     * with each other: they can share the same user-id, run instrumentation
1926     * against each other, etc.
1927     *
1928     * @param pkg1 First package name whose signature will be compared.
1929     * @param pkg2 Second package name whose signature will be compared.
1930     *
1931     * @return Returns an integer indicating whether all signatures on the
1932     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1933     * all signatures match or < 0 if there is not a match ({@link
1934     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1935     *
1936     * @see #checkSignatures(int, int)
1937     * @see #SIGNATURE_MATCH
1938     * @see #SIGNATURE_NO_MATCH
1939     * @see #SIGNATURE_UNKNOWN_PACKAGE
1940     */
1941    public abstract int checkSignatures(String pkg1, String pkg2);
1942
1943    /**
1944     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
1945     * the two packages to be checked.  This can be useful, for example,
1946     * when doing the check in an IPC, where the UID is the only identity
1947     * available.  It is functionally identical to determining the package
1948     * associated with the UIDs and checking their signatures.
1949     *
1950     * @param uid1 First UID whose signature will be compared.
1951     * @param uid2 Second UID whose signature will be compared.
1952     *
1953     * @return Returns an integer indicating whether all signatures on the
1954     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1955     * all signatures match or < 0 if there is not a match ({@link
1956     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1957     *
1958     * @see #checkSignatures(String, String)
1959     * @see #SIGNATURE_MATCH
1960     * @see #SIGNATURE_NO_MATCH
1961     * @see #SIGNATURE_UNKNOWN_PACKAGE
1962     */
1963    public abstract int checkSignatures(int uid1, int uid2);
1964
1965    /**
1966     * Retrieve the names of all packages that are associated with a particular
1967     * user id.  In most cases, this will be a single package name, the package
1968     * that has been assigned that user id.  Where there are multiple packages
1969     * sharing the same user id through the "sharedUserId" mechanism, all
1970     * packages with that id will be returned.
1971     *
1972     * @param uid The user id for which you would like to retrieve the
1973     * associated packages.
1974     *
1975     * @return Returns an array of one or more packages assigned to the user
1976     * id, or null if there are no known packages with the given id.
1977     */
1978    public abstract String[] getPackagesForUid(int uid);
1979
1980    /**
1981     * Retrieve the official name associated with a user id.  This name is
1982     * guaranteed to never change, though it is possibly for the underlying
1983     * user id to be changed.  That is, if you are storing information about
1984     * user ids in persistent storage, you should use the string returned
1985     * by this function instead of the raw user-id.
1986     *
1987     * @param uid The user id for which you would like to retrieve a name.
1988     * @return Returns a unique name for the given user id, or null if the
1989     * user id is not currently assigned.
1990     */
1991    public abstract String getNameForUid(int uid);
1992
1993    /**
1994     * Return the user id associated with a shared user name. Multiple
1995     * applications can specify a shared user name in their manifest and thus
1996     * end up using a common uid. This might be used for new applications
1997     * that use an existing shared user name and need to know the uid of the
1998     * shared user.
1999     *
2000     * @param sharedUserName The shared user name whose uid is to be retrieved.
2001     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2002     * if the shared user name is not being used by any installed packages
2003     * @hide
2004     */
2005    public abstract int getUidForSharedUser(String sharedUserName)
2006            throws NameNotFoundException;
2007
2008    /**
2009     * Return a List of all application packages that are installed on the
2010     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2011     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2012     * installed apps with data directory) will be returned.
2013     *
2014     * @param flags Additional option flags. Use any combination of
2015     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2016     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2017     *
2018     * @return Returns a List of ApplicationInfo objects, one for each application that
2019     *         is installed on the device.  In the unlikely case of there being
2020     *         no installed applications, an empty list is returned.
2021     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2022     *         applications including those deleted with {@code DONT_DELETE_DATA}
2023     *         (partially installed apps with data directory) will be returned.
2024     *
2025     * @see #GET_META_DATA
2026     * @see #GET_SHARED_LIBRARY_FILES
2027     * @see #GET_UNINSTALLED_PACKAGES
2028     */
2029    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2030
2031    /**
2032     * Get a list of shared libraries that are available on the
2033     * system.
2034     *
2035     * @return An array of shared library names that are
2036     * available on the system, or null if none are installed.
2037     *
2038     */
2039    public abstract String[] getSystemSharedLibraryNames();
2040
2041    /**
2042     * Get a list of features that are available on the
2043     * system.
2044     *
2045     * @return An array of FeatureInfo classes describing the features
2046     * that are available on the system, or null if there are none(!!).
2047     */
2048    public abstract FeatureInfo[] getSystemAvailableFeatures();
2049
2050    /**
2051     * Check whether the given feature name is one of the available
2052     * features as returned by {@link #getSystemAvailableFeatures()}.
2053     *
2054     * @return Returns true if the devices supports the feature, else
2055     * false.
2056     */
2057    public abstract boolean hasSystemFeature(String name);
2058
2059    /**
2060     * Determine the best action to perform for a given Intent.  This is how
2061     * {@link Intent#resolveActivity} finds an activity if a class has not
2062     * been explicitly specified.
2063     *
2064     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2065     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2066     * only flag.  You need to do so to resolve the activity in the same way
2067     * that {@link android.content.Context#startActivity(Intent)} and
2068     * {@link android.content.Intent#resolveActivity(PackageManager)
2069     * Intent.resolveActivity(PackageManager)} do.</p>
2070     *
2071     * @param intent An intent containing all of the desired specification
2072     *               (action, data, type, category, and/or component).
2073     * @param flags Additional option flags.  The most important is
2074     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2075     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2076     *
2077     * @return Returns a ResolveInfo containing the final activity intent that
2078     *         was determined to be the best action.  Returns null if no
2079     *         matching activity was found. If multiple matching activities are
2080     *         found and there is no default set, returns a ResolveInfo
2081     *         containing something else, such as the activity resolver.
2082     *
2083     * @see #MATCH_DEFAULT_ONLY
2084     * @see #GET_INTENT_FILTERS
2085     * @see #GET_RESOLVED_FILTER
2086     */
2087    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2088
2089    /**
2090     * Determine the best action to perform for a given Intent for a given user. This
2091     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2092     * been explicitly specified.
2093     *
2094     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2095     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2096     * only flag.  You need to do so to resolve the activity in the same way
2097     * that {@link android.content.Context#startActivity(Intent)} and
2098     * {@link android.content.Intent#resolveActivity(PackageManager)
2099     * Intent.resolveActivity(PackageManager)} do.</p>
2100     *
2101     * @param intent An intent containing all of the desired specification
2102     *               (action, data, type, category, and/or component).
2103     * @param flags Additional option flags.  The most important is
2104     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2105     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2106     * @param userId The user id.
2107     *
2108     * @return Returns a ResolveInfo containing the final activity intent that
2109     *         was determined to be the best action.  Returns null if no
2110     *         matching activity was found. If multiple matching activities are
2111     *         found and there is no default set, returns a ResolveInfo
2112     *         containing something else, such as the activity resolver.
2113     *
2114     * @see #MATCH_DEFAULT_ONLY
2115     * @see #GET_INTENT_FILTERS
2116     * @see #GET_RESOLVED_FILTER
2117     *
2118     * @hide
2119     */
2120    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2121
2122    /**
2123     * Retrieve all activities that can be performed for the given intent.
2124     *
2125     * @param intent The desired intent as per resolveActivity().
2126     * @param flags Additional option flags.  The most important is
2127     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2128     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2129     *
2130     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2131     *         Activity. These are ordered from best to worst match -- that
2132     *         is, the first item in the list is what is returned by
2133     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2134     *         list is returned.
2135     *
2136     * @see #MATCH_DEFAULT_ONLY
2137     * @see #GET_INTENT_FILTERS
2138     * @see #GET_RESOLVED_FILTER
2139     */
2140    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2141            int flags);
2142
2143    /**
2144     * Retrieve all activities that can be performed for the given intent, for a specific user.
2145     *
2146     * @param intent The desired intent as per resolveActivity().
2147     * @param flags Additional option flags.  The most important is
2148     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2149     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2150     *
2151     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2152     *         Activity. These are ordered from best to worst match -- that
2153     *         is, the first item in the list is what is returned by
2154     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2155     *         list is returned.
2156     *
2157     * @see #MATCH_DEFAULT_ONLY
2158     * @see #GET_INTENT_FILTERS
2159     * @see #GET_RESOLVED_FILTER
2160     * @hide
2161     */
2162    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2163            int flags, int userId);
2164
2165
2166    /**
2167     * Retrieve a set of activities that should be presented to the user as
2168     * similar options.  This is like {@link #queryIntentActivities}, except it
2169     * also allows you to supply a list of more explicit Intents that you would
2170     * like to resolve to particular options, and takes care of returning the
2171     * final ResolveInfo list in a reasonable order, with no duplicates, based
2172     * on those inputs.
2173     *
2174     * @param caller The class name of the activity that is making the
2175     *               request.  This activity will never appear in the output
2176     *               list.  Can be null.
2177     * @param specifics An array of Intents that should be resolved to the
2178     *                  first specific results.  Can be null.
2179     * @param intent The desired intent as per resolveActivity().
2180     * @param flags Additional option flags.  The most important is
2181     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2182     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2183     *
2184     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2185     *         Activity. These are ordered first by all of the intents resolved
2186     *         in <var>specifics</var> and then any additional activities that
2187     *         can handle <var>intent</var> but did not get included by one of
2188     *         the <var>specifics</var> intents.  If there are no matching
2189     *         activities, an empty list is returned.
2190     *
2191     * @see #MATCH_DEFAULT_ONLY
2192     * @see #GET_INTENT_FILTERS
2193     * @see #GET_RESOLVED_FILTER
2194     */
2195    public abstract List<ResolveInfo> queryIntentActivityOptions(
2196            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2197
2198    /**
2199     * Retrieve all receivers that can handle a broadcast of the given intent.
2200     *
2201     * @param intent The desired intent as per resolveActivity().
2202     * @param flags Additional option flags.
2203     *
2204     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2205     *         Receiver. These are ordered from first to last in priority.  If
2206     *         there are no matching receivers, an empty list is returned.
2207     *
2208     * @see #MATCH_DEFAULT_ONLY
2209     * @see #GET_INTENT_FILTERS
2210     * @see #GET_RESOLVED_FILTER
2211     */
2212    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2213            int flags);
2214
2215    /**
2216     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2217     * user.
2218     *
2219     * @param intent The desired intent as per resolveActivity().
2220     * @param flags Additional option flags.
2221     * @param userId The userId of the user being queried.
2222     *
2223     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2224     *         Receiver. These are ordered from first to last in priority.  If
2225     *         there are no matching receivers, an empty list is returned.
2226     *
2227     * @see #MATCH_DEFAULT_ONLY
2228     * @see #GET_INTENT_FILTERS
2229     * @see #GET_RESOLVED_FILTER
2230     * @hide
2231     */
2232    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2233            int flags, int userId);
2234
2235    /**
2236     * Determine the best service to handle for a given Intent.
2237     *
2238     * @param intent An intent containing all of the desired specification
2239     *               (action, data, type, category, and/or component).
2240     * @param flags Additional option flags.
2241     *
2242     * @return Returns a ResolveInfo containing the final service intent that
2243     *         was determined to be the best action.  Returns null if no
2244     *         matching service was found.
2245     *
2246     * @see #GET_INTENT_FILTERS
2247     * @see #GET_RESOLVED_FILTER
2248     */
2249    public abstract ResolveInfo resolveService(Intent intent, int flags);
2250
2251    /**
2252     * Retrieve all services that can match the given intent.
2253     *
2254     * @param intent The desired intent as per resolveService().
2255     * @param flags Additional option flags.
2256     *
2257     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2258     *         ServiceInfo. These are ordered from best to worst match -- that
2259     *         is, the first item in the list is what is returned by
2260     *         resolveService().  If there are no matching services, an empty
2261     *         list is returned.
2262     *
2263     * @see #GET_INTENT_FILTERS
2264     * @see #GET_RESOLVED_FILTER
2265     */
2266    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2267            int flags);
2268
2269    /**
2270     * Retrieve all services that can match the given intent for a given user.
2271     *
2272     * @param intent The desired intent as per resolveService().
2273     * @param flags Additional option flags.
2274     * @param userId The user id.
2275     *
2276     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2277     *         ServiceInfo. These are ordered from best to worst match -- that
2278     *         is, the first item in the list is what is returned by
2279     *         resolveService().  If there are no matching services, an empty
2280     *         list is returned.
2281     *
2282     * @see #GET_INTENT_FILTERS
2283     * @see #GET_RESOLVED_FILTER
2284     *
2285     * @hide
2286     */
2287    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2288            int flags, int userId);
2289
2290    /** {@hide} */
2291    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2292            Intent intent, int flags, int userId);
2293
2294    /**
2295     * Retrieve all providers that can match the given intent.
2296     *
2297     * @param intent An intent containing all of the desired specification
2298     *            (action, data, type, category, and/or component).
2299     * @param flags Additional option flags.
2300     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2301     *         ProviderInfo. These are ordered from best to worst match. If
2302     *         there are no matching providers, an empty list is returned.
2303     * @see #GET_INTENT_FILTERS
2304     * @see #GET_RESOLVED_FILTER
2305     */
2306    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2307
2308    /**
2309     * Find a single content provider by its base path name.
2310     *
2311     * @param name The name of the provider to find.
2312     * @param flags Additional option flags.  Currently should always be 0.
2313     *
2314     * @return ContentProviderInfo Information about the provider, if found,
2315     *         else null.
2316     */
2317    public abstract ProviderInfo resolveContentProvider(String name,
2318            int flags);
2319
2320    /**
2321     * Retrieve content provider information.
2322     *
2323     * <p><em>Note: unlike most other methods, an empty result set is indicated
2324     * by a null return instead of an empty list.</em>
2325     *
2326     * @param processName If non-null, limits the returned providers to only
2327     *                    those that are hosted by the given process.  If null,
2328     *                    all content providers are returned.
2329     * @param uid If <var>processName</var> is non-null, this is the required
2330     *        uid owning the requested content providers.
2331     * @param flags Additional option flags.  Currently should always be 0.
2332     *
2333     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2334     *         content provider either patching <var>processName</var> or, if
2335     *         <var>processName</var> is null, all known content providers.
2336     *         <em>If there are no matching providers, null is returned.</em>
2337     */
2338    public abstract List<ProviderInfo> queryContentProviders(
2339            String processName, int uid, int flags);
2340
2341    /**
2342     * Retrieve all of the information we know about a particular
2343     * instrumentation class.
2344     *
2345     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2346     * given class name cannot be found on the system.
2347     *
2348     * @param className The full name (i.e.
2349     *                  com.google.apps.contacts.InstrumentList) of an
2350     *                  Instrumentation class.
2351     * @param flags Additional option flags.  Currently should always be 0.
2352     *
2353     * @return InstrumentationInfo containing information about the
2354     *         instrumentation.
2355     */
2356    public abstract InstrumentationInfo getInstrumentationInfo(
2357            ComponentName className, int flags) throws NameNotFoundException;
2358
2359    /**
2360     * Retrieve information about available instrumentation code.  May be used
2361     * to retrieve either all instrumentation code, or only the code targeting
2362     * a particular package.
2363     *
2364     * @param targetPackage If null, all instrumentation is returned; only the
2365     *                      instrumentation targeting this package name is
2366     *                      returned.
2367     * @param flags Additional option flags.  Currently should always be 0.
2368     *
2369     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2370     *         matching available Instrumentation.  Returns an empty list if
2371     *         there is no instrumentation available for the given package.
2372     */
2373    public abstract List<InstrumentationInfo> queryInstrumentation(
2374            String targetPackage, int flags);
2375
2376    /**
2377     * Retrieve an image from a package.  This is a low-level API used by
2378     * the various package manager info structures (such as
2379     * {@link ComponentInfo} to implement retrieval of their associated
2380     * icon.
2381     *
2382     * @param packageName The name of the package that this icon is coming from.
2383     * Cannot be null.
2384     * @param resid The resource identifier of the desired image.  Cannot be 0.
2385     * @param appInfo Overall information about <var>packageName</var>.  This
2386     * may be null, in which case the application information will be retrieved
2387     * for you if needed; if you already have this information around, it can
2388     * be much more efficient to supply it here.
2389     *
2390     * @return Returns a Drawable holding the requested image.  Returns null if
2391     * an image could not be found for any reason.
2392     */
2393    public abstract Drawable getDrawable(String packageName, int resid,
2394            ApplicationInfo appInfo);
2395
2396    /**
2397     * Retrieve the icon associated with an activity.  Given the full name of
2398     * an activity, retrieves the information about it and calls
2399     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2400     * If the activity cannot be found, NameNotFoundException is thrown.
2401     *
2402     * @param activityName Name of the activity whose icon is to be retrieved.
2403     *
2404     * @return Returns the image of the icon, or the default activity icon if
2405     * it could not be found.  Does not return null.
2406     * @throws NameNotFoundException Thrown if the resources for the given
2407     * activity could not be loaded.
2408     *
2409     * @see #getActivityIcon(Intent)
2410     */
2411    public abstract Drawable getActivityIcon(ComponentName activityName)
2412            throws NameNotFoundException;
2413
2414    /**
2415     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2416     * set, this simply returns the result of
2417     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2418     * component and returns the icon associated with the resolved component.
2419     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2420     * to a component, NameNotFoundException is thrown.
2421     *
2422     * @param intent The intent for which you would like to retrieve an icon.
2423     *
2424     * @return Returns the image of the icon, or the default activity icon if
2425     * it could not be found.  Does not return null.
2426     * @throws NameNotFoundException Thrown if the resources for application
2427     * matching the given intent could not be loaded.
2428     *
2429     * @see #getActivityIcon(ComponentName)
2430     */
2431    public abstract Drawable getActivityIcon(Intent intent)
2432            throws NameNotFoundException;
2433
2434    /**
2435     * Retrieve the banner associated with an activity. Given the full name of
2436     * an activity, retrieves the information about it and calls
2437     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2438     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2439     *
2440     * @param activityName Name of the activity whose banner is to be retrieved.
2441     * @return Returns the image of the banner, or null if the activity has no
2442     *         banner specified.
2443     * @throws NameNotFoundException Thrown if the resources for the given
2444     *             activity could not be loaded.
2445     * @see #getActivityBanner(Intent)
2446     */
2447    public abstract Drawable getActivityBanner(ComponentName activityName)
2448            throws NameNotFoundException;
2449
2450    /**
2451     * Retrieve the banner associated with an Intent. If intent.getClassName()
2452     * is set, this simply returns the result of
2453     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2454     * intent's component and returns the banner associated with the resolved
2455     * component. If intent.getClassName() cannot be found or the Intent cannot
2456     * be resolved to a component, NameNotFoundException is thrown.
2457     *
2458     * @param intent The intent for which you would like to retrieve a banner.
2459     * @return Returns the image of the banner, or null if the activity has no
2460     *         banner specified.
2461     * @throws NameNotFoundException Thrown if the resources for application
2462     *             matching the given intent could not be loaded.
2463     * @see #getActivityBanner(ComponentName)
2464     */
2465    public abstract Drawable getActivityBanner(Intent intent)
2466            throws NameNotFoundException;
2467
2468    /**
2469     * Return the generic icon for an activity that is used when no specific
2470     * icon is defined.
2471     *
2472     * @return Drawable Image of the icon.
2473     */
2474    public abstract Drawable getDefaultActivityIcon();
2475
2476    /**
2477     * Retrieve the icon associated with an application.  If it has not defined
2478     * an icon, the default app icon is returned.  Does not return null.
2479     *
2480     * @param info Information about application being queried.
2481     *
2482     * @return Returns the image of the icon, or the default application icon
2483     * if it could not be found.
2484     *
2485     * @see #getApplicationIcon(String)
2486     */
2487    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2488
2489    /**
2490     * Retrieve the icon associated with an application.  Given the name of the
2491     * application's package, retrieves the information about it and calls
2492     * getApplicationIcon() to return its icon. If the application cannot be
2493     * found, NameNotFoundException is thrown.
2494     *
2495     * @param packageName Name of the package whose application icon is to be
2496     *                    retrieved.
2497     *
2498     * @return Returns the image of the icon, or the default application icon
2499     * if it could not be found.  Does not return null.
2500     * @throws NameNotFoundException Thrown if the resources for the given
2501     * application could not be loaded.
2502     *
2503     * @see #getApplicationIcon(ApplicationInfo)
2504     */
2505    public abstract Drawable getApplicationIcon(String packageName)
2506            throws NameNotFoundException;
2507
2508    /**
2509     * Retrieve the banner associated with an application.
2510     *
2511     * @param info Information about application being queried.
2512     * @return Returns the image of the banner or null if the application has no
2513     *         banner specified.
2514     * @see #getApplicationBanner(String)
2515     */
2516    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2517
2518    /**
2519     * Retrieve the banner associated with an application. Given the name of the
2520     * application's package, retrieves the information about it and calls
2521     * getApplicationIcon() to return its banner. If the application cannot be
2522     * found, NameNotFoundException is thrown.
2523     *
2524     * @param packageName Name of the package whose application banner is to be
2525     *            retrieved.
2526     * @return Returns the image of the banner or null if the application has no
2527     *         banner specified.
2528     * @throws NameNotFoundException Thrown if the resources for the given
2529     *             application could not be loaded.
2530     * @see #getApplicationBanner(ApplicationInfo)
2531     */
2532    public abstract Drawable getApplicationBanner(String packageName)
2533            throws NameNotFoundException;
2534
2535    /**
2536     * Retrieve the logo associated with an activity. Given the full name of an
2537     * activity, retrieves the information about it and calls
2538     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2539     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2540     *
2541     * @param activityName Name of the activity whose logo is to be retrieved.
2542     * @return Returns the image of the logo or null if the activity has no logo
2543     *         specified.
2544     * @throws NameNotFoundException Thrown if the resources for the given
2545     *             activity could not be loaded.
2546     * @see #getActivityLogo(Intent)
2547     */
2548    public abstract Drawable getActivityLogo(ComponentName activityName)
2549            throws NameNotFoundException;
2550
2551    /**
2552     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2553     * set, this simply returns the result of
2554     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2555     * component and returns the logo associated with the resolved component.
2556     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2557     * to a component, NameNotFoundException is thrown.
2558     *
2559     * @param intent The intent for which you would like to retrieve a logo.
2560     *
2561     * @return Returns the image of the logo, or null if the activity has no
2562     * logo specified.
2563     *
2564     * @throws NameNotFoundException Thrown if the resources for application
2565     * matching the given intent could not be loaded.
2566     *
2567     * @see #getActivityLogo(ComponentName)
2568     */
2569    public abstract Drawable getActivityLogo(Intent intent)
2570            throws NameNotFoundException;
2571
2572    /**
2573     * Retrieve the logo associated with an application.  If it has not specified
2574     * a logo, this method returns null.
2575     *
2576     * @param info Information about application being queried.
2577     *
2578     * @return Returns the image of the logo, or null if no logo is specified
2579     * by the application.
2580     *
2581     * @see #getApplicationLogo(String)
2582     */
2583    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2584
2585    /**
2586     * Retrieve the logo associated with an application.  Given the name of the
2587     * application's package, retrieves the information about it and calls
2588     * getApplicationLogo() to return its logo. If the application cannot be
2589     * found, NameNotFoundException is thrown.
2590     *
2591     * @param packageName Name of the package whose application logo is to be
2592     *                    retrieved.
2593     *
2594     * @return Returns the image of the logo, or null if no application logo
2595     * has been specified.
2596     *
2597     * @throws NameNotFoundException Thrown if the resources for the given
2598     * application could not be loaded.
2599     *
2600     * @see #getApplicationLogo(ApplicationInfo)
2601     */
2602    public abstract Drawable getApplicationLogo(String packageName)
2603            throws NameNotFoundException;
2604
2605    /**
2606     * Retrieve text from a package.  This is a low-level API used by
2607     * the various package manager info structures (such as
2608     * {@link ComponentInfo} to implement retrieval of their associated
2609     * labels and other text.
2610     *
2611     * @param packageName The name of the package that this text is coming from.
2612     * Cannot be null.
2613     * @param resid The resource identifier of the desired text.  Cannot be 0.
2614     * @param appInfo Overall information about <var>packageName</var>.  This
2615     * may be null, in which case the application information will be retrieved
2616     * for you if needed; if you already have this information around, it can
2617     * be much more efficient to supply it here.
2618     *
2619     * @return Returns a CharSequence holding the requested text.  Returns null
2620     * if the text could not be found for any reason.
2621     */
2622    public abstract CharSequence getText(String packageName, int resid,
2623            ApplicationInfo appInfo);
2624
2625    /**
2626     * Retrieve an XML file from a package.  This is a low-level API used to
2627     * retrieve XML meta data.
2628     *
2629     * @param packageName The name of the package that this xml is coming from.
2630     * Cannot be null.
2631     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2632     * @param appInfo Overall information about <var>packageName</var>.  This
2633     * may be null, in which case the application information will be retrieved
2634     * for you if needed; if you already have this information around, it can
2635     * be much more efficient to supply it here.
2636     *
2637     * @return Returns an XmlPullParser allowing you to parse out the XML
2638     * data.  Returns null if the xml resource could not be found for any
2639     * reason.
2640     */
2641    public abstract XmlResourceParser getXml(String packageName, int resid,
2642            ApplicationInfo appInfo);
2643
2644    /**
2645     * Return the label to use for this application.
2646     *
2647     * @return Returns the label associated with this application, or null if
2648     * it could not be found for any reason.
2649     * @param info The application to get the label of.
2650     */
2651    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2652
2653    /**
2654     * Retrieve the resources associated with an activity.  Given the full
2655     * name of an activity, retrieves the information about it and calls
2656     * getResources() to return its application's resources.  If the activity
2657     * cannot be found, NameNotFoundException is thrown.
2658     *
2659     * @param activityName Name of the activity whose resources are to be
2660     *                     retrieved.
2661     *
2662     * @return Returns the application's Resources.
2663     * @throws NameNotFoundException Thrown if the resources for the given
2664     * application could not be loaded.
2665     *
2666     * @see #getResourcesForApplication(ApplicationInfo)
2667     */
2668    public abstract Resources getResourcesForActivity(ComponentName activityName)
2669            throws NameNotFoundException;
2670
2671    /**
2672     * Retrieve the resources for an application.  Throws NameNotFoundException
2673     * if the package is no longer installed.
2674     *
2675     * @param app Information about the desired application.
2676     *
2677     * @return Returns the application's Resources.
2678     * @throws NameNotFoundException Thrown if the resources for the given
2679     * application could not be loaded (most likely because it was uninstalled).
2680     */
2681    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2682            throws NameNotFoundException;
2683
2684    /**
2685     * Retrieve the resources associated with an application.  Given the full
2686     * package name of an application, retrieves the information about it and
2687     * calls getResources() to return its application's resources.  If the
2688     * appPackageName cannot be found, NameNotFoundException is thrown.
2689     *
2690     * @param appPackageName Package name of the application whose resources
2691     *                       are to be retrieved.
2692     *
2693     * @return Returns the application's Resources.
2694     * @throws NameNotFoundException Thrown if the resources for the given
2695     * application could not be loaded.
2696     *
2697     * @see #getResourcesForApplication(ApplicationInfo)
2698     */
2699    public abstract Resources getResourcesForApplication(String appPackageName)
2700            throws NameNotFoundException;
2701
2702    /** @hide */
2703    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2704            throws NameNotFoundException;
2705
2706    /**
2707     * Retrieve overall information about an application package defined
2708     * in a package archive file
2709     *
2710     * @param archiveFilePath The path to the archive file
2711     * @param flags Additional option flags. Use any combination of
2712     * {@link #GET_ACTIVITIES},
2713     * {@link #GET_GIDS},
2714     * {@link #GET_CONFIGURATIONS},
2715     * {@link #GET_INSTRUMENTATION},
2716     * {@link #GET_PERMISSIONS},
2717     * {@link #GET_PROVIDERS},
2718     * {@link #GET_RECEIVERS},
2719     * {@link #GET_SERVICES},
2720     * {@link #GET_SIGNATURES}, to modify the data returned.
2721     *
2722     * @return Returns the information about the package. Returns
2723     * null if the package could not be successfully parsed.
2724     *
2725     * @see #GET_ACTIVITIES
2726     * @see #GET_GIDS
2727     * @see #GET_CONFIGURATIONS
2728     * @see #GET_INSTRUMENTATION
2729     * @see #GET_PERMISSIONS
2730     * @see #GET_PROVIDERS
2731     * @see #GET_RECEIVERS
2732     * @see #GET_SERVICES
2733     * @see #GET_SIGNATURES
2734     *
2735     */
2736    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2737        PackageParser packageParser = new PackageParser(archiveFilePath);
2738        DisplayMetrics metrics = new DisplayMetrics();
2739        metrics.setToDefaults();
2740        final File sourceFile = new File(archiveFilePath);
2741        PackageParser.Package pkg = packageParser.parsePackage(
2742                sourceFile, archiveFilePath, metrics, 0);
2743        if (pkg == null) {
2744            return null;
2745        }
2746        if ((flags & GET_SIGNATURES) != 0) {
2747            packageParser.collectCertificates(pkg, 0);
2748        }
2749        PackageUserState state = new PackageUserState();
2750        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2751    }
2752
2753    /**
2754     * @hide
2755     *
2756     * Install a package. Since this may take a little while, the result will
2757     * be posted back to the given observer.  An installation will fail if the calling context
2758     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2759     * package named in the package file's manifest is already installed, or if there's no space
2760     * available on the device.
2761     *
2762     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2763     * 'content:' URI.
2764     * @param observer An observer callback to get notified when the package installation is
2765     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2766     * called when that happens.  observer may be null to indicate that no callback is desired.
2767     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2768     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2769     * @param installerPackageName Optional package name of the application that is performing the
2770     * installation. This identifies which market the package came from.
2771     */
2772    public abstract void installPackage(
2773            Uri packageURI, IPackageInstallObserver observer, int flags,
2774            String installerPackageName);
2775
2776    /**
2777     * Similar to
2778     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2779     * with an extra verification file provided.
2780     *
2781     * @param packageURI The location of the package file to install. This can
2782     *            be a 'file:' or a 'content:' URI.
2783     * @param observer An observer callback to get notified when the package
2784     *            installation is complete.
2785     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2786     *            will be called when that happens. observer may be null to
2787     *            indicate that no callback is desired.
2788     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2789     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2790     *            .
2791     * @param installerPackageName Optional package name of the application that
2792     *            is performing the installation. This identifies which market
2793     *            the package came from.
2794     * @param verificationURI The location of the supplementary verification
2795     *            file. This can be a 'file:' or a 'content:' URI. May be
2796     *            {@code null}.
2797     * @param manifestDigest an object that holds the digest of the package
2798     *            which can be used to verify ownership. May be {@code null}.
2799     * @param encryptionParams if the package to be installed is encrypted,
2800     *            these parameters describing the encryption and authentication
2801     *            used. May be {@code null}.
2802     * @hide
2803     */
2804    public abstract void installPackageWithVerification(Uri packageURI,
2805            IPackageInstallObserver observer, int flags, String installerPackageName,
2806            Uri verificationURI, ManifestDigest manifestDigest,
2807            ContainerEncryptionParams encryptionParams);
2808
2809    /**
2810     * Similar to
2811     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2812     * with an extra verification information provided.
2813     *
2814     * @param packageURI The location of the package file to install. This can
2815     *            be a 'file:' or a 'content:' URI.
2816     * @param observer An observer callback to get notified when the package
2817     *            installation is complete.
2818     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2819     *            will be called when that happens. observer may be null to
2820     *            indicate that no callback is desired.
2821     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2822     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2823     *            .
2824     * @param installerPackageName Optional package name of the application that
2825     *            is performing the installation. This identifies which market
2826     *            the package came from.
2827     * @param verificationParams an object that holds signal information to
2828     *            assist verification. May be {@code null}.
2829     * @param encryptionParams if the package to be installed is encrypted,
2830     *            these parameters describing the encryption and authentication
2831     *            used. May be {@code null}.
2832     *
2833     * @hide
2834     */
2835    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2836            IPackageInstallObserver observer, int flags, String installerPackageName,
2837            VerificationParams verificationParams,
2838            ContainerEncryptionParams encryptionParams);
2839
2840    /**
2841     * If there is already an application with the given package name installed
2842     * on the system for other users, also install it for the calling user.
2843     * @hide
2844     */
2845    public abstract int installExistingPackage(String packageName)
2846            throws NameNotFoundException;
2847
2848    /**
2849     * Allows a package listening to the
2850     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2851     * broadcast} to respond to the package manager. The response must include
2852     * the {@code verificationCode} which is one of
2853     * {@link PackageManager#VERIFICATION_ALLOW} or
2854     * {@link PackageManager#VERIFICATION_REJECT}.
2855     *
2856     * @param id pending package identifier as passed via the
2857     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2858     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
2859     *            or {@link PackageManager#VERIFICATION_REJECT}.
2860     * @throws SecurityException if the caller does not have the
2861     *            PACKAGE_VERIFICATION_AGENT permission.
2862     */
2863    public abstract void verifyPendingInstall(int id, int verificationCode);
2864
2865    /**
2866     * Allows a package listening to the
2867     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2868     * broadcast} to extend the default timeout for a response and declare what
2869     * action to perform after the timeout occurs. The response must include
2870     * the {@code verificationCodeAtTimeout} which is one of
2871     * {@link PackageManager#VERIFICATION_ALLOW} or
2872     * {@link PackageManager#VERIFICATION_REJECT}.
2873     *
2874     * This method may only be called once per package id. Additional calls
2875     * will have no effect.
2876     *
2877     * @param id pending package identifier as passed via the
2878     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2879     * @param verificationCodeAtTimeout either
2880     *            {@link PackageManager#VERIFICATION_ALLOW} or
2881     *            {@link PackageManager#VERIFICATION_REJECT}. If
2882     *            {@code verificationCodeAtTimeout} is neither
2883     *            {@link PackageManager#VERIFICATION_ALLOW} or
2884     *            {@link PackageManager#VERIFICATION_REJECT}, then
2885     *            {@code verificationCodeAtTimeout} will default to
2886     *            {@link PackageManager#VERIFICATION_REJECT}.
2887     * @param millisecondsToDelay the amount of time requested for the timeout.
2888     *            Must be positive and less than
2889     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
2890     *            {@code millisecondsToDelay} is out of bounds,
2891     *            {@code millisecondsToDelay} will be set to the closest in
2892     *            bounds value; namely, 0 or
2893     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
2894     * @throws SecurityException if the caller does not have the
2895     *            PACKAGE_VERIFICATION_AGENT permission.
2896     */
2897    public abstract void extendVerificationTimeout(int id,
2898            int verificationCodeAtTimeout, long millisecondsToDelay);
2899
2900    /**
2901     * Change the installer associated with a given package.  There are limitations
2902     * on how the installer package can be changed; in particular:
2903     * <ul>
2904     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
2905     * is not signed with the same certificate as the calling application.
2906     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
2907     * has an installer package, and that installer package is not signed with
2908     * the same certificate as the calling application.
2909     * </ul>
2910     *
2911     * @param targetPackage The installed package whose installer will be changed.
2912     * @param installerPackageName The package name of the new installer.  May be
2913     * null to clear the association.
2914     */
2915    public abstract void setInstallerPackageName(String targetPackage,
2916            String installerPackageName);
2917
2918    /**
2919     * Attempts to delete a package.  Since this may take a little while, the result will
2920     * be posted back to the given observer.  A deletion will fail if the calling context
2921     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
2922     * named package cannot be found, or if the named package is a "system package".
2923     * (TODO: include pointer to documentation on "system packages")
2924     *
2925     * @param packageName The name of the package to delete
2926     * @param observer An observer callback to get notified when the package deletion is
2927     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
2928     * called when that happens.  observer may be null to indicate that no callback is desired.
2929     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
2930     * {@link #DELETE_ALL_USERS}.
2931     *
2932     * @hide
2933     */
2934    public abstract void deletePackage(
2935            String packageName, IPackageDeleteObserver observer, int flags);
2936
2937    /**
2938     * Retrieve the package name of the application that installed a package. This identifies
2939     * which market the package came from.
2940     *
2941     * @param packageName The name of the package to query
2942     */
2943    public abstract String getInstallerPackageName(String packageName);
2944
2945    /**
2946     * Attempts to clear the user data directory of an application.
2947     * Since this may take a little while, the result will
2948     * be posted back to the given observer.  A deletion will fail if the
2949     * named package cannot be found, or if the named package is a "system package".
2950     *
2951     * @param packageName The name of the package
2952     * @param observer An observer callback to get notified when the operation is finished
2953     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2954     * will be called when that happens.  observer may be null to indicate that
2955     * no callback is desired.
2956     *
2957     * @hide
2958     */
2959    public abstract void clearApplicationUserData(String packageName,
2960            IPackageDataObserver observer);
2961    /**
2962     * Attempts to delete the cache files associated with an application.
2963     * Since this may take a little while, the result will
2964     * be posted back to the given observer.  A deletion will fail if the calling context
2965     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
2966     * named package cannot be found, or if the named package is a "system package".
2967     *
2968     * @param packageName The name of the package to delete
2969     * @param observer An observer callback to get notified when the cache file deletion
2970     * is complete.
2971     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2972     * will be called when that happens.  observer may be null to indicate that
2973     * no callback is desired.
2974     *
2975     * @hide
2976     */
2977    public abstract void deleteApplicationCacheFiles(String packageName,
2978            IPackageDataObserver observer);
2979
2980    /**
2981     * Free storage by deleting LRU sorted list of cache files across
2982     * all applications. If the currently available free storage
2983     * on the device is greater than or equal to the requested
2984     * free storage, no cache files are cleared. If the currently
2985     * available storage on the device is less than the requested
2986     * free storage, some or all of the cache files across
2987     * all applications are deleted (based on last accessed time)
2988     * to increase the free storage space on the device to
2989     * the requested value. There is no guarantee that clearing all
2990     * the cache files from all applications will clear up
2991     * enough storage to achieve the desired value.
2992     * @param freeStorageSize The number of bytes of storage to be
2993     * freed by the system. Say if freeStorageSize is XX,
2994     * and the current free storage is YY,
2995     * if XX is less than YY, just return. if not free XX-YY number
2996     * of bytes if possible.
2997     * @param observer call back used to notify when
2998     * the operation is completed
2999     *
3000     * @hide
3001     */
3002    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3003
3004    /**
3005     * Free storage by deleting LRU sorted list of cache files across
3006     * all applications. If the currently available free storage
3007     * on the device is greater than or equal to the requested
3008     * free storage, no cache files are cleared. If the currently
3009     * available storage on the device is less than the requested
3010     * free storage, some or all of the cache files across
3011     * all applications are deleted (based on last accessed time)
3012     * to increase the free storage space on the device to
3013     * the requested value. There is no guarantee that clearing all
3014     * the cache files from all applications will clear up
3015     * enough storage to achieve the desired value.
3016     * @param freeStorageSize The number of bytes of storage to be
3017     * freed by the system. Say if freeStorageSize is XX,
3018     * and the current free storage is YY,
3019     * if XX is less than YY, just return. if not free XX-YY number
3020     * of bytes if possible.
3021     * @param pi IntentSender call back used to
3022     * notify when the operation is completed.May be null
3023     * to indicate that no call back is desired.
3024     *
3025     * @hide
3026     */
3027    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3028
3029    /**
3030     * Retrieve the size information for a package.
3031     * Since this may take a little while, the result will
3032     * be posted back to the given observer.  The calling context
3033     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3034     *
3035     * @param packageName The name of the package whose size information is to be retrieved
3036     * @param userHandle The user whose size information should be retrieved.
3037     * @param observer An observer callback to get notified when the operation
3038     * is complete.
3039     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3040     * The observer's callback is invoked with a PackageStats object(containing the
3041     * code, data and cache sizes of the package) and a boolean value representing
3042     * the status of the operation. observer may be null to indicate that
3043     * no callback is desired.
3044     *
3045     * @hide
3046     */
3047    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3048            IPackageStatsObserver observer);
3049
3050    /**
3051     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3052     * returns the size for the calling user.
3053     *
3054     * @hide
3055     */
3056    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3057        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3058    }
3059
3060    /**
3061     * @deprecated This function no longer does anything; it was an old
3062     * approach to managing preferred activities, which has been superseded
3063     * by (and conflicts with) the modern activity-based preferences.
3064     */
3065    @Deprecated
3066    public abstract void addPackageToPreferred(String packageName);
3067
3068    /**
3069     * @deprecated This function no longer does anything; it was an old
3070     * approach to managing preferred activities, which has been superseded
3071     * by (and conflicts with) the modern activity-based preferences.
3072     */
3073    @Deprecated
3074    public abstract void removePackageFromPreferred(String packageName);
3075
3076    /**
3077     * Retrieve the list of all currently configured preferred packages.  The
3078     * first package on the list is the most preferred, the last is the
3079     * least preferred.
3080     *
3081     * @param flags Additional option flags. Use any combination of
3082     * {@link #GET_ACTIVITIES},
3083     * {@link #GET_GIDS},
3084     * {@link #GET_CONFIGURATIONS},
3085     * {@link #GET_INSTRUMENTATION},
3086     * {@link #GET_PERMISSIONS},
3087     * {@link #GET_PROVIDERS},
3088     * {@link #GET_RECEIVERS},
3089     * {@link #GET_SERVICES},
3090     * {@link #GET_SIGNATURES}, to modify the data returned.
3091     *
3092     * @return Returns a list of PackageInfo objects describing each
3093     * preferred application, in order of preference.
3094     *
3095     * @see #GET_ACTIVITIES
3096     * @see #GET_GIDS
3097     * @see #GET_CONFIGURATIONS
3098     * @see #GET_INSTRUMENTATION
3099     * @see #GET_PERMISSIONS
3100     * @see #GET_PROVIDERS
3101     * @see #GET_RECEIVERS
3102     * @see #GET_SERVICES
3103     * @see #GET_SIGNATURES
3104     */
3105    public abstract List<PackageInfo> getPreferredPackages(int flags);
3106
3107    /**
3108     * @deprecated This is a protected API that should not have been available
3109     * to third party applications.  It is the platform's responsibility for
3110     * assigning preferred activities and this cannot be directly modified.
3111     *
3112     * Add a new preferred activity mapping to the system.  This will be used
3113     * to automatically select the given activity component when
3114     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3115     * multiple matching activities and also matches the given filter.
3116     *
3117     * @param filter The set of intents under which this activity will be
3118     * made preferred.
3119     * @param match The IntentFilter match category that this preference
3120     * applies to.
3121     * @param set The set of activities that the user was picking from when
3122     * this preference was made.
3123     * @param activity The component name of the activity that is to be
3124     * preferred.
3125     */
3126    @Deprecated
3127    public abstract void addPreferredActivity(IntentFilter filter, int match,
3128            ComponentName[] set, ComponentName activity);
3129
3130    /**
3131     * Same as {@link #addPreferredActivity(IntentFilter, int,
3132            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3133            to.
3134     * @hide
3135     */
3136    public void addPreferredActivity(IntentFilter filter, int match,
3137            ComponentName[] set, ComponentName activity, int userId) {
3138        throw new RuntimeException("Not implemented. Must override in a subclass.");
3139    }
3140
3141    /**
3142     * @deprecated This is a protected API that should not have been available
3143     * to third party applications.  It is the platform's responsibility for
3144     * assigning preferred activities and this cannot be directly modified.
3145     *
3146     * Replaces an existing preferred activity mapping to the system, and if that were not present
3147     * adds a new preferred activity.  This will be used
3148     * to automatically select the given activity component when
3149     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3150     * multiple matching activities and also matches the given filter.
3151     *
3152     * @param filter The set of intents under which this activity will be
3153     * made preferred.
3154     * @param match The IntentFilter match category that this preference
3155     * applies to.
3156     * @param set The set of activities that the user was picking from when
3157     * this preference was made.
3158     * @param activity The component name of the activity that is to be
3159     * preferred.
3160     * @hide
3161     */
3162    @Deprecated
3163    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3164            ComponentName[] set, ComponentName activity);
3165
3166    /**
3167     * Remove all preferred activity mappings, previously added with
3168     * {@link #addPreferredActivity}, from the
3169     * system whose activities are implemented in the given package name.
3170     * An application can only clear its own package(s).
3171     *
3172     * @param packageName The name of the package whose preferred activity
3173     * mappings are to be removed.
3174     */
3175    public abstract void clearPackagePreferredActivities(String packageName);
3176
3177    /**
3178     * Retrieve all preferred activities, previously added with
3179     * {@link #addPreferredActivity}, that are
3180     * currently registered with the system.
3181     *
3182     * @param outFilters A list in which to place the filters of all of the
3183     * preferred activities, or null for none.
3184     * @param outActivities A list in which to place the component names of
3185     * all of the preferred activities, or null for none.
3186     * @param packageName An option package in which you would like to limit
3187     * the list.  If null, all activities will be returned; if non-null, only
3188     * those activities in the given package are returned.
3189     *
3190     * @return Returns the total number of registered preferred activities
3191     * (the number of distinct IntentFilter records, not the number of unique
3192     * activity components) that were found.
3193     */
3194    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3195            List<ComponentName> outActivities, String packageName);
3196
3197    /**
3198     * Ask for the set of available 'home' activities and the current explicit
3199     * default, if any.
3200     * @hide
3201     */
3202    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3203
3204    /**
3205     * Set the enabled setting for a package component (activity, receiver, service, provider).
3206     * This setting will override any enabled state which may have been set by the component in its
3207     * manifest.
3208     *
3209     * @param componentName The component to enable
3210     * @param newState The new enabled state for the component.  The legal values for this state
3211     *                 are:
3212     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3213     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3214     *                   and
3215     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3216     *                 The last one removes the setting, thereby restoring the component's state to
3217     *                 whatever was set in it's manifest (or enabled, by default).
3218     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3219     */
3220    public abstract void setComponentEnabledSetting(ComponentName componentName,
3221            int newState, int flags);
3222
3223
3224    /**
3225     * Return the the enabled setting for a package component (activity,
3226     * receiver, service, provider).  This returns the last value set by
3227     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3228     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3229     * the value originally specified in the manifest has not been modified.
3230     *
3231     * @param componentName The component to retrieve.
3232     * @return Returns the current enabled state for the component.  May
3233     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3234     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3235     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3236     * component's enabled state is based on the original information in
3237     * the manifest as found in {@link ComponentInfo}.
3238     */
3239    public abstract int getComponentEnabledSetting(ComponentName componentName);
3240
3241    /**
3242     * Set the enabled setting for an application
3243     * This setting will override any enabled state which may have been set by the application in
3244     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3245     * application's components.  It does not override any enabled state set by
3246     * {@link #setComponentEnabledSetting} for any of the application's components.
3247     *
3248     * @param packageName The package name of the application to enable
3249     * @param newState The new enabled state for the component.  The legal values for this state
3250     *                 are:
3251     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3252     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3253     *                   and
3254     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3255     *                 The last one removes the setting, thereby restoring the applications's state to
3256     *                 whatever was set in its manifest (or enabled, by default).
3257     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3258     */
3259    public abstract void setApplicationEnabledSetting(String packageName,
3260            int newState, int flags);
3261
3262    /**
3263     * Return the the enabled setting for an application.  This returns
3264     * the last value set by
3265     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3266     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3267     * the value originally specified in the manifest has not been modified.
3268     *
3269     * @param packageName The component to retrieve.
3270     * @return Returns the current enabled state for the component.  May
3271     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3272     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3273     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3274     * application's enabled state is based on the original information in
3275     * the manifest as found in {@link ComponentInfo}.
3276     * @throws IllegalArgumentException if the named package does not exist.
3277     */
3278    public abstract int getApplicationEnabledSetting(String packageName);
3279
3280    /**
3281     * Puts the package in a blocked state, which is almost like an uninstalled state,
3282     * making the package unavailable, but it doesn't remove the data or the actual
3283     * package file.
3284     * @hide
3285     */
3286    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3287            UserHandle userHandle);
3288
3289    /**
3290     * Returns the blocked state of a package.
3291     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3292     * @hide
3293     */
3294    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3295            UserHandle userHandle);
3296
3297    /**
3298     * Return whether the device has been booted into safe mode.
3299     */
3300    public abstract boolean isSafeMode();
3301
3302    /**
3303     * Attempts to move package resources from internal to external media or vice versa.
3304     * Since this may take a little while, the result will
3305     * be posted back to the given observer.   This call may fail if the calling context
3306     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3307     * named package cannot be found, or if the named package is a "system package".
3308     *
3309     * @param packageName The name of the package to delete
3310     * @param observer An observer callback to get notified when the package move is
3311     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3312     * called when that happens.  observer may be null to indicate that no callback is desired.
3313     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3314     * {@link #MOVE_EXTERNAL_MEDIA}
3315     *
3316     * @hide
3317     */
3318    public abstract void movePackage(
3319            String packageName, IPackageMoveObserver observer, int flags);
3320
3321    /**
3322     * Returns the device identity that verifiers can use to associate their scheme to a particular
3323     * device. This should not be used by anything other than a package verifier.
3324     *
3325     * @return identity that uniquely identifies current device
3326     * @hide
3327     */
3328    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3329
3330    /**
3331     * Returns the data directory for a particular user and package, given the uid of the package.
3332     * @param uid uid of the package, including the userId and appId
3333     * @param packageName name of the package
3334     * @return the user-specific data directory for the package
3335     * @hide
3336     */
3337    public static String getDataDirForUser(int userId, String packageName) {
3338        // TODO: This should be shared with Installer's knowledge of user directory
3339        return Environment.getDataDirectory().toString() + "/user/" + userId
3340                + "/" + packageName;
3341    }
3342}
3343