PackageManager.java revision 8bfb3513ee8f0bd6ccd98f347a4cbdf99de703a1
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, or can support an external camera being connected to it.
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 can support having an external camera connected to it.
924     * The external camera may not always be connected or available to applications to use.
925     */
926    @SdkConstant(SdkConstantType.FEATURE)
927    public static final String FEATURE_CAMERA_EXTERNAL = "android.hardware.camera.external";
928
929    /**
930     * Feature for {@link #getSystemAvailableFeatures} and
931     * {@link #hasSystemFeature}: The device's camera supports flash.
932     */
933    @SdkConstant(SdkConstantType.FEATURE)
934    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
935
936    /**
937     * Feature for {@link #getSystemAvailableFeatures} and
938     * {@link #hasSystemFeature}: The device has a front facing camera.
939     */
940    @SdkConstant(SdkConstantType.FEATURE)
941    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
942
943    /**
944     * Feature for {@link #getSystemAvailableFeatures} and
945     * {@link #hasSystemFeature}: The device is capable of communicating with
946     * consumer IR devices.
947     */
948    @SdkConstant(SdkConstantType.FEATURE)
949    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
950
951    /**
952     * Feature for {@link #getSystemAvailableFeatures} and
953     * {@link #hasSystemFeature}: The device supports one or more methods of
954     * reporting current location.
955     */
956    @SdkConstant(SdkConstantType.FEATURE)
957    public static final String FEATURE_LOCATION = "android.hardware.location";
958
959    /**
960     * Feature for {@link #getSystemAvailableFeatures} and
961     * {@link #hasSystemFeature}: The device has a Global Positioning System
962     * receiver and can report precise location.
963     */
964    @SdkConstant(SdkConstantType.FEATURE)
965    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
966
967    /**
968     * Feature for {@link #getSystemAvailableFeatures} and
969     * {@link #hasSystemFeature}: The device can report location with coarse
970     * accuracy using a network-based geolocation system.
971     */
972    @SdkConstant(SdkConstantType.FEATURE)
973    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
974
975    /**
976     * Feature for {@link #getSystemAvailableFeatures} and
977     * {@link #hasSystemFeature}: The device can record audio via a
978     * microphone.
979     */
980    @SdkConstant(SdkConstantType.FEATURE)
981    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
982
983    /**
984     * Feature for {@link #getSystemAvailableFeatures} and
985     * {@link #hasSystemFeature}: The device can communicate using Near-Field
986     * Communications (NFC).
987     */
988    @SdkConstant(SdkConstantType.FEATURE)
989    public static final String FEATURE_NFC = "android.hardware.nfc";
990
991    /**
992     * Feature for {@link #getSystemAvailableFeatures} and
993     * {@link #hasSystemFeature}: The device supports host-
994     * based NFC card emulation.
995     *
996     * TODO remove when depending apps have moved to new constant.
997     * @hide
998     * @deprecated
999     */
1000    @Deprecated
1001    @SdkConstant(SdkConstantType.FEATURE)
1002    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
1003
1004    /**
1005     * Feature for {@link #getSystemAvailableFeatures} and
1006     * {@link #hasSystemFeature}: The device supports host-
1007     * based NFC card emulation.
1008     */
1009    @SdkConstant(SdkConstantType.FEATURE)
1010    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
1011
1012    /**
1013     * Feature for {@link #getSystemAvailableFeatures} and
1014     * {@link #hasSystemFeature}: The device includes an accelerometer.
1015     */
1016    @SdkConstant(SdkConstantType.FEATURE)
1017    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
1018
1019    /**
1020     * Feature for {@link #getSystemAvailableFeatures} and
1021     * {@link #hasSystemFeature}: The device includes a barometer (air
1022     * pressure sensor.)
1023     */
1024    @SdkConstant(SdkConstantType.FEATURE)
1025    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1026
1027    /**
1028     * Feature for {@link #getSystemAvailableFeatures} and
1029     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1030     */
1031    @SdkConstant(SdkConstantType.FEATURE)
1032    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1033
1034    /**
1035     * Feature for {@link #getSystemAvailableFeatures} and
1036     * {@link #hasSystemFeature}: The device includes a gyroscope.
1037     */
1038    @SdkConstant(SdkConstantType.FEATURE)
1039    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1040
1041    /**
1042     * Feature for {@link #getSystemAvailableFeatures} and
1043     * {@link #hasSystemFeature}: The device includes a light sensor.
1044     */
1045    @SdkConstant(SdkConstantType.FEATURE)
1046    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1047
1048    /**
1049     * Feature for {@link #getSystemAvailableFeatures} and
1050     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1051     */
1052    @SdkConstant(SdkConstantType.FEATURE)
1053    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1054
1055    /**
1056     * Feature for {@link #getSystemAvailableFeatures} and
1057     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1058     */
1059    @SdkConstant(SdkConstantType.FEATURE)
1060    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1061
1062    /**
1063     * Feature for {@link #getSystemAvailableFeatures} and
1064     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1065     */
1066    @SdkConstant(SdkConstantType.FEATURE)
1067    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1068
1069    /**
1070     * Feature for {@link #getSystemAvailableFeatures} and
1071     * {@link #hasSystemFeature}: The device includes a heart rate monitor.
1072     */
1073    @SdkConstant(SdkConstantType.FEATURE)
1074    public static final String FEATURE_SENSOR_HEART_RATE = "android.hardware.sensor.heartrate";
1075
1076    /**
1077     * Feature for {@link #getSystemAvailableFeatures} and
1078     * {@link #hasSystemFeature}: The device has a telephony radio with data
1079     * communication support.
1080     */
1081    @SdkConstant(SdkConstantType.FEATURE)
1082    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1083
1084    /**
1085     * Feature for {@link #getSystemAvailableFeatures} and
1086     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1087     */
1088    @SdkConstant(SdkConstantType.FEATURE)
1089    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1090
1091    /**
1092     * Feature for {@link #getSystemAvailableFeatures} and
1093     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1094     */
1095    @SdkConstant(SdkConstantType.FEATURE)
1096    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1097
1098    /**
1099     * Feature for {@link #getSystemAvailableFeatures} and
1100     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1101     * as the USB host.
1102     */
1103    @SdkConstant(SdkConstantType.FEATURE)
1104    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1105
1106    /**
1107     * Feature for {@link #getSystemAvailableFeatures} and
1108     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1109     */
1110    @SdkConstant(SdkConstantType.FEATURE)
1111    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1112
1113    /**
1114     * Feature for {@link #getSystemAvailableFeatures} and
1115     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1116     */
1117    @SdkConstant(SdkConstantType.FEATURE)
1118    public static final String FEATURE_SIP = "android.software.sip";
1119
1120    /**
1121     * Feature for {@link #getSystemAvailableFeatures} and
1122     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1123     */
1124    @SdkConstant(SdkConstantType.FEATURE)
1125    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1126
1127    /**
1128     * Feature for {@link #getSystemAvailableFeatures} and
1129     * {@link #hasSystemFeature}: The device's display has a touch screen.
1130     */
1131    @SdkConstant(SdkConstantType.FEATURE)
1132    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1133
1134
1135    /**
1136     * Feature for {@link #getSystemAvailableFeatures} and
1137     * {@link #hasSystemFeature}: The device's touch screen supports
1138     * multitouch sufficient for basic two-finger gesture detection.
1139     */
1140    @SdkConstant(SdkConstantType.FEATURE)
1141    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1142
1143    /**
1144     * Feature for {@link #getSystemAvailableFeatures} and
1145     * {@link #hasSystemFeature}: The device's touch screen is capable of
1146     * tracking two or more fingers fully independently.
1147     */
1148    @SdkConstant(SdkConstantType.FEATURE)
1149    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1150
1151    /**
1152     * Feature for {@link #getSystemAvailableFeatures} and
1153     * {@link #hasSystemFeature}: The device's touch screen is capable of
1154     * tracking a full hand of fingers fully independently -- that is, 5 or
1155     * more simultaneous independent pointers.
1156     */
1157    @SdkConstant(SdkConstantType.FEATURE)
1158    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1159
1160    /**
1161     * Feature for {@link #getSystemAvailableFeatures} and
1162     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1163     * does support touch emulation for basic events. For instance, the
1164     * device might use a mouse or remote control to drive a cursor, and
1165     * emulate basic touch pointer events like down, up, drag, etc. All
1166     * devices that support android.hardware.touchscreen or a sub-feature are
1167     * presumed to also support faketouch.
1168     */
1169    @SdkConstant(SdkConstantType.FEATURE)
1170    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1171
1172    /**
1173     * Feature for {@link #getSystemAvailableFeatures} and
1174     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1175     * does support touch emulation for basic events that supports distinct
1176     * tracking of two or more fingers.  This is an extension of
1177     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1178     * that unlike a distinct multitouch screen as defined by
1179     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1180     * devices will not actually provide full two-finger gestures since the
1181     * input is being transformed to cursor movement on the screen.  That is,
1182     * single finger gestures will move a cursor; two-finger swipes will
1183     * result in single-finger touch events; other two-finger gestures will
1184     * result in the corresponding two-finger touch event.
1185     */
1186    @SdkConstant(SdkConstantType.FEATURE)
1187    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1188
1189    /**
1190     * Feature for {@link #getSystemAvailableFeatures} and
1191     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1192     * does support touch emulation for basic events that supports tracking
1193     * a hand of fingers (5 or more fingers) fully independently.
1194     * This is an extension of
1195     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1196     * that unlike a multitouch screen as defined by
1197     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1198     * gestures can be detected due to the limitations described for
1199     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1200     */
1201    @SdkConstant(SdkConstantType.FEATURE)
1202    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1203
1204    /**
1205     * Feature for {@link #getSystemAvailableFeatures} and
1206     * {@link #hasSystemFeature}: The device supports portrait orientation
1207     * screens.  For backwards compatibility, you can assume that if neither
1208     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1209     * both portrait and landscape.
1210     */
1211    @SdkConstant(SdkConstantType.FEATURE)
1212    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1213
1214    /**
1215     * Feature for {@link #getSystemAvailableFeatures} and
1216     * {@link #hasSystemFeature}: The device supports landscape orientation
1217     * screens.  For backwards compatibility, you can assume that if neither
1218     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1219     * both portrait and landscape.
1220     */
1221    @SdkConstant(SdkConstantType.FEATURE)
1222    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1223
1224    /**
1225     * Feature for {@link #getSystemAvailableFeatures} and
1226     * {@link #hasSystemFeature}: The device supports live wallpapers.
1227     */
1228    @SdkConstant(SdkConstantType.FEATURE)
1229    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1230
1231    /**
1232     * Feature for {@link #getSystemAvailableFeatures} and
1233     * {@link #hasSystemFeature}: The device supports app widgets.
1234     */
1235    @SdkConstant(SdkConstantType.FEATURE)
1236    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1237
1238    /**
1239     * Feature for {@link #getSystemAvailableFeatures} and
1240     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1241     * by third party applications.
1242     */
1243    @SdkConstant(SdkConstantType.FEATURE)
1244    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1245
1246    /**
1247     * Feature for {@link #getSystemAvailableFeatures} and
1248     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1249     * with the {@link android.inputmethodservice.InputMethodService} API.
1250     */
1251    @SdkConstant(SdkConstantType.FEATURE)
1252    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1253
1254    /**
1255     * Feature for {@link #getSystemAvailableFeatures} and
1256     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1257     */
1258    @SdkConstant(SdkConstantType.FEATURE)
1259    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1260
1261    /**
1262     * Feature for {@link #getSystemAvailableFeatures} and
1263     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1264     * typically used in a living room television experience, but is a software
1265     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1266     * feature will use resources associated with the "television" UI mode.
1267     */
1268    @SdkConstant(SdkConstantType.FEATURE)
1269    public static final String FEATURE_LEANBACK = "android.software.leanback";
1270
1271    /**
1272     * Feature for {@link #getSystemAvailableFeatures} and
1273     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1274     * applications designed for this experience should be run, though this is
1275     * not enforced by the system.
1276     * @hide
1277     */
1278    @SdkConstant(SdkConstantType.FEATURE)
1279    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1280
1281    /**
1282     * Feature for {@link #getSystemAvailableFeatures} and
1283     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1284     */
1285    @SdkConstant(SdkConstantType.FEATURE)
1286    public static final String FEATURE_WIFI = "android.hardware.wifi";
1287
1288    /**
1289     * Feature for {@link #getSystemAvailableFeatures} and
1290     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1291     */
1292    @SdkConstant(SdkConstantType.FEATURE)
1293    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1294
1295    /**
1296     * Feature for {@link #getSystemAvailableFeatures} and
1297     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1298     * on a television.  Television here is defined to be a typical living
1299     * room television experience: displayed on a big screen, where the user
1300     * is sitting far away from it, and the dominant form of input will be
1301     * something like a DPAD, not through touch or mouse.
1302     * @deprecated use {@link #FEATURE_LEANBACK} instead.
1303     */
1304    @Deprecated
1305    @SdkConstant(SdkConstantType.FEATURE)
1306    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1307
1308    /**
1309     * Feature for {@link #getSystemAvailableFeatures} and
1310     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1311     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1312     * the wrist. The user is very close when interacting with the device.
1313     */
1314    @SdkConstant(SdkConstantType.FEATURE)
1315    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1316
1317    /**
1318     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1319     * The device supports printing.
1320     */
1321    @SdkConstant(SdkConstantType.FEATURE)
1322    public static final String FEATURE_PRINTING = "android.software.print";
1323
1324    /**
1325     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1326     * The device can perform backup and restore operations on installed applications.
1327     */
1328    @SdkConstant(SdkConstantType.FEATURE)
1329    public static final String FEATURE_BACKUP = "android.software.backup";
1330
1331    /**
1332     * Action to external storage service to clean out removed apps.
1333     * @hide
1334     */
1335    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1336            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1337
1338    /**
1339     * Extra field name for the URI to a verification file. Passed to a package
1340     * verifier.
1341     *
1342     * @hide
1343     */
1344    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1345
1346    /**
1347     * Extra field name for the ID of a package pending verification. Passed to
1348     * a package verifier and is used to call back to
1349     * {@link PackageManager#verifyPendingInstall(int, int)}
1350     */
1351    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1352
1353    /**
1354     * Extra field name for the package identifier which is trying to install
1355     * the package.
1356     *
1357     * @hide
1358     */
1359    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1360            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1361
1362    /**
1363     * Extra field name for the requested install flags for a package pending
1364     * verification. Passed to a package verifier.
1365     *
1366     * @hide
1367     */
1368    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1369            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1370
1371    /**
1372     * Extra field name for the uid of who is requesting to install
1373     * the package.
1374     *
1375     * @hide
1376     */
1377    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1378            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1379
1380    /**
1381     * Extra field name for the package name of a package pending verification.
1382     *
1383     * @hide
1384     */
1385    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1386            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1387    /**
1388     * Extra field name for the result of a verification, either
1389     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1390     * Passed to package verifiers after a package is verified.
1391     */
1392    public static final String EXTRA_VERIFICATION_RESULT
1393            = "android.content.pm.extra.VERIFICATION_RESULT";
1394
1395    /**
1396     * Extra field name for the version code of a package pending verification.
1397     *
1398     * @hide
1399     */
1400    public static final String EXTRA_VERIFICATION_VERSION_CODE
1401            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1402
1403    /**
1404     * The action used to request that the user approve a permission request
1405     * from the application.
1406     *
1407     * @hide
1408     */
1409    public static final String ACTION_REQUEST_PERMISSION
1410            = "android.content.pm.action.REQUEST_PERMISSION";
1411
1412    /**
1413     * Extra field name for the list of permissions, which the user must approve.
1414     *
1415     * @hide
1416     */
1417    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1418            = "android.content.pm.extra.PERMISSION_LIST";
1419
1420    /**
1421     * Retrieve overall information about an application package that is
1422     * installed on the system.
1423     * <p>
1424     * Throws {@link NameNotFoundException} if a package with the given name can
1425     * not be found on the system.
1426     *
1427     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1428     *            desired package.
1429     * @param flags Additional option flags. Use any combination of
1430     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1431     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1432     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1433     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1434     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1435     *            modify the data returned.
1436     * @return Returns a PackageInfo object containing information about the
1437     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1438     *         package is not found in the list of installed applications, the
1439     *         package information is retrieved from the list of uninstalled
1440     *         applications (which includes installed applications as well as
1441     *         applications with data directory i.e. applications which had been
1442     *         deleted with {@code DONT_DELETE_DATA} flag set).
1443     * @see #GET_ACTIVITIES
1444     * @see #GET_GIDS
1445     * @see #GET_CONFIGURATIONS
1446     * @see #GET_INSTRUMENTATION
1447     * @see #GET_PERMISSIONS
1448     * @see #GET_PROVIDERS
1449     * @see #GET_RECEIVERS
1450     * @see #GET_SERVICES
1451     * @see #GET_SIGNATURES
1452     * @see #GET_UNINSTALLED_PACKAGES
1453     */
1454    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1455            throws NameNotFoundException;
1456
1457    /**
1458     * Map from the current package names in use on the device to whatever
1459     * the current canonical name of that package is.
1460     * @param names Array of current names to be mapped.
1461     * @return Returns an array of the same size as the original, containing
1462     * the canonical name for each package.
1463     */
1464    public abstract String[] currentToCanonicalPackageNames(String[] names);
1465
1466    /**
1467     * Map from a packages canonical name to the current name in use on the device.
1468     * @param names Array of new names to be mapped.
1469     * @return Returns an array of the same size as the original, containing
1470     * the current name for each package.
1471     */
1472    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1473
1474    /**
1475     * Return a "good" intent to launch a front-door activity in a package,
1476     * for use for example to implement an "open" button when browsing through
1477     * packages.  The current implementation will look first for a main
1478     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1479     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1480     * null if neither are found.
1481     *
1482     * <p>Throws {@link NameNotFoundException} if a package with the given
1483     * name cannot be found on the system.
1484     *
1485     * @param packageName The name of the package to inspect.
1486     *
1487     * @return Returns either a fully-qualified Intent that can be used to
1488     * launch the main activity in the package, or null if the package does
1489     * not contain such an activity.
1490     */
1491    public abstract Intent getLaunchIntentForPackage(String packageName);
1492
1493    /**
1494     * Return a "good" intent to launch a front-door Leanback activity in a
1495     * package, for use for example to implement an "open" button when browsing
1496     * through packages. The current implementation will look for a main
1497     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
1498     * return null if no main leanback activities are found.
1499     * <p>
1500     * Throws {@link NameNotFoundException} if a package with the given name
1501     * cannot be found on the system.
1502     *
1503     * @param packageName The name of the package to inspect.
1504     * @return Returns either a fully-qualified Intent that can be used to launch
1505     *         the main Leanback activity in the package, or null if the package
1506     *         does not contain such an activity.
1507     */
1508    public abstract Intent getLeanbackLaunchIntentForPackage(String packageName);
1509
1510    /**
1511     * Return an array of all of the secondary group-ids that have been assigned
1512     * to a package.
1513     * <p>
1514     * Throws {@link NameNotFoundException} if a package with the given name
1515     * cannot be found on the system.
1516     *
1517     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1518     *            desired package.
1519     * @return Returns an int array of the assigned gids, or null if there are
1520     *         none.
1521     */
1522    public abstract int[] getPackageGids(String packageName)
1523            throws NameNotFoundException;
1524
1525    /**
1526     * @hide Return the uid associated with the given package name for the
1527     * given user.
1528     *
1529     * <p>Throws {@link NameNotFoundException} if a package with the given
1530     * name can not be found on the system.
1531     *
1532     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1533     *                    desired package.
1534     * @param userHandle The user handle identifier to look up the package under.
1535     *
1536     * @return Returns an integer uid who owns the given package name.
1537     */
1538    public abstract int getPackageUid(String packageName, int userHandle)
1539            throws NameNotFoundException;
1540
1541    /**
1542     * Retrieve all of the information we know about a particular permission.
1543     *
1544     * <p>Throws {@link NameNotFoundException} if a permission with the given
1545     * name cannot be found on the system.
1546     *
1547     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1548     *             of the permission you are interested in.
1549     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1550     * retrieve any meta-data associated with the permission.
1551     *
1552     * @return Returns a {@link PermissionInfo} containing information about the
1553     *         permission.
1554     */
1555    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1556            throws NameNotFoundException;
1557
1558    /**
1559     * Query for all of the permissions associated with a particular group.
1560     *
1561     * <p>Throws {@link NameNotFoundException} if the given group does not
1562     * exist.
1563     *
1564     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1565     *             of the permission group you are interested in.  Use null to
1566     *             find all of the permissions not associated with a group.
1567     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1568     * retrieve any meta-data associated with the permissions.
1569     *
1570     * @return Returns a list of {@link PermissionInfo} containing information
1571     * about all of the permissions in the given group.
1572     */
1573    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1574            int flags) throws NameNotFoundException;
1575
1576    /**
1577     * Retrieve all of the information we know about a particular group of
1578     * permissions.
1579     *
1580     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1581     * name cannot be found on the system.
1582     *
1583     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1584     *             of the permission you are interested in.
1585     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1586     * retrieve any meta-data associated with the permission group.
1587     *
1588     * @return Returns a {@link PermissionGroupInfo} containing information
1589     * about the permission.
1590     */
1591    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1592            int flags) throws NameNotFoundException;
1593
1594    /**
1595     * Retrieve all of the known permission groups in the system.
1596     *
1597     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1598     * retrieve any meta-data associated with the permission group.
1599     *
1600     * @return Returns a list of {@link PermissionGroupInfo} containing
1601     * information about all of the known permission groups.
1602     */
1603    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1604
1605    /**
1606     * Retrieve all of the information we know about a particular
1607     * package/application.
1608     *
1609     * <p>Throws {@link NameNotFoundException} if an application with the given
1610     * package name cannot be found on the system.
1611     *
1612     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1613     *                    application.
1614     * @param flags Additional option flags. Use any combination of
1615     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1616     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1617     *
1618     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1619     *         information about the package.
1620     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1621     *         found in the list of installed applications,
1622     *         the application information is retrieved from the
1623     *         list of uninstalled applications(which includes
1624     *         installed applications as well as applications
1625     *         with data directory ie applications which had been
1626     *         deleted with {@code DONT_DELETE_DATA} flag set).
1627     *
1628     * @see #GET_META_DATA
1629     * @see #GET_SHARED_LIBRARY_FILES
1630     * @see #GET_UNINSTALLED_PACKAGES
1631     */
1632    public abstract ApplicationInfo getApplicationInfo(String packageName,
1633            int flags) throws NameNotFoundException;
1634
1635    /**
1636     * Retrieve all of the information we know about a particular activity
1637     * class.
1638     *
1639     * <p>Throws {@link NameNotFoundException} if an activity with the given
1640     * class name cannot be found on the system.
1641     *
1642     * @param component The full component name (i.e.
1643     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1644     * class.
1645     * @param flags Additional option flags. Use any combination of
1646     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1647     * to modify the data (in ApplicationInfo) returned.
1648     *
1649     * @return {@link ActivityInfo} containing information about the activity.
1650     *
1651     * @see #GET_INTENT_FILTERS
1652     * @see #GET_META_DATA
1653     * @see #GET_SHARED_LIBRARY_FILES
1654     */
1655    public abstract ActivityInfo getActivityInfo(ComponentName component,
1656            int flags) throws NameNotFoundException;
1657
1658    /**
1659     * Retrieve all of the information we know about a particular receiver
1660     * class.
1661     *
1662     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1663     * class name cannot be found on the system.
1664     *
1665     * @param component The full component name (i.e.
1666     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1667     * class.
1668     * @param flags Additional option flags.  Use any combination of
1669     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1670     * to modify the data returned.
1671     *
1672     * @return {@link ActivityInfo} containing information about the receiver.
1673     *
1674     * @see #GET_INTENT_FILTERS
1675     * @see #GET_META_DATA
1676     * @see #GET_SHARED_LIBRARY_FILES
1677     */
1678    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1679            int flags) throws NameNotFoundException;
1680
1681    /**
1682     * Retrieve all of the information we know about a particular service
1683     * class.
1684     *
1685     * <p>Throws {@link NameNotFoundException} if a service with the given
1686     * class name cannot be found on the system.
1687     *
1688     * @param component The full component name (i.e.
1689     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1690     * class.
1691     * @param flags Additional option flags.  Use any combination of
1692     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1693     * to modify the data returned.
1694     *
1695     * @return ServiceInfo containing information about the service.
1696     *
1697     * @see #GET_META_DATA
1698     * @see #GET_SHARED_LIBRARY_FILES
1699     */
1700    public abstract ServiceInfo getServiceInfo(ComponentName component,
1701            int flags) throws NameNotFoundException;
1702
1703    /**
1704     * Retrieve all of the information we know about a particular content
1705     * provider class.
1706     *
1707     * <p>Throws {@link NameNotFoundException} if a provider with the given
1708     * class name cannot be found on the system.
1709     *
1710     * @param component The full component name (i.e.
1711     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1712     * ContentProvider class.
1713     * @param flags Additional option flags.  Use any combination of
1714     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1715     * to modify the data returned.
1716     *
1717     * @return ProviderInfo containing information about the service.
1718     *
1719     * @see #GET_META_DATA
1720     * @see #GET_SHARED_LIBRARY_FILES
1721     */
1722    public abstract ProviderInfo getProviderInfo(ComponentName component,
1723            int flags) throws NameNotFoundException;
1724
1725    /**
1726     * Return a List of all packages that are installed
1727     * on the device.
1728     *
1729     * @param flags Additional option flags. Use any combination of
1730     * {@link #GET_ACTIVITIES},
1731     * {@link #GET_GIDS},
1732     * {@link #GET_CONFIGURATIONS},
1733     * {@link #GET_INSTRUMENTATION},
1734     * {@link #GET_PERMISSIONS},
1735     * {@link #GET_PROVIDERS},
1736     * {@link #GET_RECEIVERS},
1737     * {@link #GET_SERVICES},
1738     * {@link #GET_SIGNATURES},
1739     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1740     *
1741     * @return A List of PackageInfo objects, one for each package that is
1742     *         installed on the device.  In the unlikely case of there being no
1743     *         installed packages, an empty list is returned.
1744     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1745     *         applications including those deleted with {@code DONT_DELETE_DATA}
1746     *         (partially installed apps with data directory) will be returned.
1747     *
1748     * @see #GET_ACTIVITIES
1749     * @see #GET_GIDS
1750     * @see #GET_CONFIGURATIONS
1751     * @see #GET_INSTRUMENTATION
1752     * @see #GET_PERMISSIONS
1753     * @see #GET_PROVIDERS
1754     * @see #GET_RECEIVERS
1755     * @see #GET_SERVICES
1756     * @see #GET_SIGNATURES
1757     * @see #GET_UNINSTALLED_PACKAGES
1758     */
1759    public abstract List<PackageInfo> getInstalledPackages(int flags);
1760
1761    /**
1762     * Return a List of all installed packages that are currently
1763     * holding any of the given permissions.
1764     *
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     *
1777     * @return Returns a List of PackageInfo objects, one for each installed
1778     * application that is holding any of the permissions that were provided.
1779     *
1780     * @see #GET_ACTIVITIES
1781     * @see #GET_GIDS
1782     * @see #GET_CONFIGURATIONS
1783     * @see #GET_INSTRUMENTATION
1784     * @see #GET_PERMISSIONS
1785     * @see #GET_PROVIDERS
1786     * @see #GET_RECEIVERS
1787     * @see #GET_SERVICES
1788     * @see #GET_SIGNATURES
1789     * @see #GET_UNINSTALLED_PACKAGES
1790     */
1791    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1792            String[] permissions, int flags);
1793
1794    /**
1795     * Return a List of all packages that are installed on the device, for a specific user.
1796     * Requesting a list of installed packages for another user
1797     * will require the permission INTERACT_ACROSS_USERS_FULL.
1798     * @param flags Additional option flags. Use any combination of
1799     * {@link #GET_ACTIVITIES},
1800     * {@link #GET_GIDS},
1801     * {@link #GET_CONFIGURATIONS},
1802     * {@link #GET_INSTRUMENTATION},
1803     * {@link #GET_PERMISSIONS},
1804     * {@link #GET_PROVIDERS},
1805     * {@link #GET_RECEIVERS},
1806     * {@link #GET_SERVICES},
1807     * {@link #GET_SIGNATURES},
1808     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1809     * @param userId The user for whom the installed packages are to be listed
1810     *
1811     * @return A List of PackageInfo objects, one for each package that is
1812     *         installed on the device.  In the unlikely case of there being no
1813     *         installed packages, an empty list is returned.
1814     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1815     *         applications including those deleted with {@code DONT_DELETE_DATA}
1816     *         (partially installed apps with data directory) will be returned.
1817     *
1818     * @see #GET_ACTIVITIES
1819     * @see #GET_GIDS
1820     * @see #GET_CONFIGURATIONS
1821     * @see #GET_INSTRUMENTATION
1822     * @see #GET_PERMISSIONS
1823     * @see #GET_PROVIDERS
1824     * @see #GET_RECEIVERS
1825     * @see #GET_SERVICES
1826     * @see #GET_SIGNATURES
1827     * @see #GET_UNINSTALLED_PACKAGES
1828     *
1829     * @hide
1830     */
1831    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1832
1833    /**
1834     * Check whether a particular package has been granted a particular
1835     * permission.
1836     *
1837     * @param permName The name of the permission you are checking for,
1838     * @param pkgName The name of the package you are checking against.
1839     *
1840     * @return If the package has the permission, PERMISSION_GRANTED is
1841     * returned.  If it does not have the permission, PERMISSION_DENIED
1842     * is returned.
1843     *
1844     * @see #PERMISSION_GRANTED
1845     * @see #PERMISSION_DENIED
1846     */
1847    public abstract int checkPermission(String permName, String pkgName);
1848
1849    /**
1850     * Add a new dynamic permission to the system.  For this to work, your
1851     * package must have defined a permission tree through the
1852     * {@link android.R.styleable#AndroidManifestPermissionTree
1853     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1854     * permissions to trees that were defined by either its own package or
1855     * another with the same user id; a permission is in a tree if it
1856     * matches the name of the permission tree + ".": for example,
1857     * "com.foo.bar" is a member of the permission tree "com.foo".
1858     *
1859     * <p>It is good to make your permission tree name descriptive, because you
1860     * are taking possession of that entire set of permission names.  Thus, it
1861     * must be under a domain you control, with a suffix that will not match
1862     * any normal permissions that may be declared in any applications that
1863     * are part of that domain.
1864     *
1865     * <p>New permissions must be added before
1866     * any .apks are installed that use those permissions.  Permissions you
1867     * add through this method are remembered across reboots of the device.
1868     * If the given permission already exists, the info you supply here
1869     * will be used to update it.
1870     *
1871     * @param info Description of the permission to be added.
1872     *
1873     * @return Returns true if a new permission was created, false if an
1874     * existing one was updated.
1875     *
1876     * @throws SecurityException if you are not allowed to add the
1877     * given permission name.
1878     *
1879     * @see #removePermission(String)
1880     */
1881    public abstract boolean addPermission(PermissionInfo info);
1882
1883    /**
1884     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1885     * persists the package manager state after returning from the call,
1886     * allowing it to return quicker and batch a series of adds at the
1887     * expense of no guarantee the added permission will be retained if
1888     * the device is rebooted before it is written.
1889     */
1890    public abstract boolean addPermissionAsync(PermissionInfo info);
1891
1892    /**
1893     * Removes a permission that was previously added with
1894     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1895     * -- you are only allowed to remove permissions that you are allowed
1896     * to add.
1897     *
1898     * @param name The name of the permission to remove.
1899     *
1900     * @throws SecurityException if you are not allowed to remove the
1901     * given permission name.
1902     *
1903     * @see #addPermission(PermissionInfo)
1904     */
1905    public abstract void removePermission(String name);
1906
1907    /**
1908     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1909     * which prompts the user to grant {@code permissions} to this application.
1910     * @hide
1911     *
1912     * @throws NullPointerException if {@code permissions} is {@code null}.
1913     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1914     */
1915    public Intent buildPermissionRequestIntent(String... permissions) {
1916        if (permissions == null) {
1917            throw new NullPointerException("permissions cannot be null");
1918        }
1919        for (String permission : permissions) {
1920            if (permission == null) {
1921                throw new IllegalArgumentException("permissions cannot contain null");
1922            }
1923        }
1924
1925        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1926        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1927        i.setPackage("com.android.packageinstaller");
1928        return i;
1929    }
1930
1931    /**
1932     * Grant a permission to an application which the application does not
1933     * already have.  The permission must have been requested by the application,
1934     * but as an optional permission.  If the application is not allowed to
1935     * hold the permission, a SecurityException is thrown.
1936     * @hide
1937     *
1938     * @param packageName The name of the package that the permission will be
1939     * granted to.
1940     * @param permissionName The name of the permission.
1941     */
1942    public abstract void grantPermission(String packageName, String permissionName);
1943
1944    /**
1945     * Revoke a permission that was previously granted by {@link #grantPermission}.
1946     * @hide
1947     *
1948     * @param packageName The name of the package that the permission will be
1949     * granted to.
1950     * @param permissionName The name of the permission.
1951     */
1952    public abstract void revokePermission(String packageName, String permissionName);
1953
1954    /**
1955     * Compare the signatures of two packages to determine if the same
1956     * signature appears in both of them.  If they do contain the same
1957     * signature, then they are allowed special privileges when working
1958     * with each other: they can share the same user-id, run instrumentation
1959     * against each other, etc.
1960     *
1961     * @param pkg1 First package name whose signature will be compared.
1962     * @param pkg2 Second package name whose signature will be compared.
1963     *
1964     * @return Returns an integer indicating whether all signatures on the
1965     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1966     * all signatures match or < 0 if there is not a match ({@link
1967     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1968     *
1969     * @see #checkSignatures(int, int)
1970     * @see #SIGNATURE_MATCH
1971     * @see #SIGNATURE_NO_MATCH
1972     * @see #SIGNATURE_UNKNOWN_PACKAGE
1973     */
1974    public abstract int checkSignatures(String pkg1, String pkg2);
1975
1976    /**
1977     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
1978     * the two packages to be checked.  This can be useful, for example,
1979     * when doing the check in an IPC, where the UID is the only identity
1980     * available.  It is functionally identical to determining the package
1981     * associated with the UIDs and checking their signatures.
1982     *
1983     * @param uid1 First UID whose signature will be compared.
1984     * @param uid2 Second UID whose signature will be compared.
1985     *
1986     * @return Returns an integer indicating whether all signatures on the
1987     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1988     * all signatures match or < 0 if there is not a match ({@link
1989     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1990     *
1991     * @see #checkSignatures(String, String)
1992     * @see #SIGNATURE_MATCH
1993     * @see #SIGNATURE_NO_MATCH
1994     * @see #SIGNATURE_UNKNOWN_PACKAGE
1995     */
1996    public abstract int checkSignatures(int uid1, int uid2);
1997
1998    /**
1999     * Retrieve the names of all packages that are associated with a particular
2000     * user id.  In most cases, this will be a single package name, the package
2001     * that has been assigned that user id.  Where there are multiple packages
2002     * sharing the same user id through the "sharedUserId" mechanism, all
2003     * packages with that id will be returned.
2004     *
2005     * @param uid The user id for which you would like to retrieve the
2006     * associated packages.
2007     *
2008     * @return Returns an array of one or more packages assigned to the user
2009     * id, or null if there are no known packages with the given id.
2010     */
2011    public abstract String[] getPackagesForUid(int uid);
2012
2013    /**
2014     * Retrieve the official name associated with a user id.  This name is
2015     * guaranteed to never change, though it is possibly for the underlying
2016     * user id to be changed.  That is, if you are storing information about
2017     * user ids in persistent storage, you should use the string returned
2018     * by this function instead of the raw user-id.
2019     *
2020     * @param uid The user id for which you would like to retrieve a name.
2021     * @return Returns a unique name for the given user id, or null if the
2022     * user id is not currently assigned.
2023     */
2024    public abstract String getNameForUid(int uid);
2025
2026    /**
2027     * Return the user id associated with a shared user name. Multiple
2028     * applications can specify a shared user name in their manifest and thus
2029     * end up using a common uid. This might be used for new applications
2030     * that use an existing shared user name and need to know the uid of the
2031     * shared user.
2032     *
2033     * @param sharedUserName The shared user name whose uid is to be retrieved.
2034     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2035     * if the shared user name is not being used by any installed packages
2036     * @hide
2037     */
2038    public abstract int getUidForSharedUser(String sharedUserName)
2039            throws NameNotFoundException;
2040
2041    /**
2042     * Return a List of all application packages that are installed on the
2043     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2044     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2045     * installed apps with data directory) will be returned.
2046     *
2047     * @param flags Additional option flags. Use any combination of
2048     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2049     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2050     *
2051     * @return Returns a List of ApplicationInfo objects, one for each application that
2052     *         is installed on the device.  In the unlikely case of there being
2053     *         no installed applications, an empty list is returned.
2054     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2055     *         applications including those deleted with {@code DONT_DELETE_DATA}
2056     *         (partially installed apps with data directory) will be returned.
2057     *
2058     * @see #GET_META_DATA
2059     * @see #GET_SHARED_LIBRARY_FILES
2060     * @see #GET_UNINSTALLED_PACKAGES
2061     */
2062    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2063
2064    /**
2065     * Get a list of shared libraries that are available on the
2066     * system.
2067     *
2068     * @return An array of shared library names that are
2069     * available on the system, or null if none are installed.
2070     *
2071     */
2072    public abstract String[] getSystemSharedLibraryNames();
2073
2074    /**
2075     * Get a list of features that are available on the
2076     * system.
2077     *
2078     * @return An array of FeatureInfo classes describing the features
2079     * that are available on the system, or null if there are none(!!).
2080     */
2081    public abstract FeatureInfo[] getSystemAvailableFeatures();
2082
2083    /**
2084     * Check whether the given feature name is one of the available
2085     * features as returned by {@link #getSystemAvailableFeatures()}.
2086     *
2087     * @return Returns true if the devices supports the feature, else
2088     * false.
2089     */
2090    public abstract boolean hasSystemFeature(String name);
2091
2092    /**
2093     * Determine the best action to perform for a given Intent.  This is how
2094     * {@link Intent#resolveActivity} finds an activity if a class has not
2095     * been explicitly specified.
2096     *
2097     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2098     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2099     * only flag.  You need to do so to resolve the activity in the same way
2100     * that {@link android.content.Context#startActivity(Intent)} and
2101     * {@link android.content.Intent#resolveActivity(PackageManager)
2102     * Intent.resolveActivity(PackageManager)} do.</p>
2103     *
2104     * @param intent An intent containing all of the desired specification
2105     *               (action, data, type, category, and/or component).
2106     * @param flags Additional option flags.  The most important is
2107     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2108     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2109     *
2110     * @return Returns a ResolveInfo containing the final activity intent that
2111     *         was determined to be the best action.  Returns null if no
2112     *         matching activity was found. If multiple matching activities are
2113     *         found and there is no default set, returns a ResolveInfo
2114     *         containing something else, such as the activity resolver.
2115     *
2116     * @see #MATCH_DEFAULT_ONLY
2117     * @see #GET_INTENT_FILTERS
2118     * @see #GET_RESOLVED_FILTER
2119     */
2120    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2121
2122    /**
2123     * Determine the best action to perform for a given Intent for a given user. This
2124     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2125     * been explicitly specified.
2126     *
2127     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2128     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2129     * only flag.  You need to do so to resolve the activity in the same way
2130     * that {@link android.content.Context#startActivity(Intent)} and
2131     * {@link android.content.Intent#resolveActivity(PackageManager)
2132     * Intent.resolveActivity(PackageManager)} do.</p>
2133     *
2134     * @param intent An intent containing all of the desired specification
2135     *               (action, data, type, category, and/or component).
2136     * @param flags Additional option flags.  The most important is
2137     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2138     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2139     * @param userId The user id.
2140     *
2141     * @return Returns a ResolveInfo containing the final activity intent that
2142     *         was determined to be the best action.  Returns null if no
2143     *         matching activity was found. If multiple matching activities are
2144     *         found and there is no default set, returns a ResolveInfo
2145     *         containing something else, such as the activity resolver.
2146     *
2147     * @see #MATCH_DEFAULT_ONLY
2148     * @see #GET_INTENT_FILTERS
2149     * @see #GET_RESOLVED_FILTER
2150     *
2151     * @hide
2152     */
2153    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2154
2155    /**
2156     * Retrieve all activities that can be performed for the given intent.
2157     *
2158     * @param intent The desired intent as per resolveActivity().
2159     * @param flags Additional option flags.  The most important is
2160     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2161     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2162     *
2163     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2164     *         Activity. These are ordered from best to worst match -- that
2165     *         is, the first item in the list is what is returned by
2166     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2167     *         list is returned.
2168     *
2169     * @see #MATCH_DEFAULT_ONLY
2170     * @see #GET_INTENT_FILTERS
2171     * @see #GET_RESOLVED_FILTER
2172     */
2173    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2174            int flags);
2175
2176    /**
2177     * Retrieve all activities that can be performed for the given intent, for a specific user.
2178     *
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 from best to worst match -- that
2186     *         is, the first item in the list is what is returned by
2187     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2188     *         list is returned.
2189     *
2190     * @see #MATCH_DEFAULT_ONLY
2191     * @see #GET_INTENT_FILTERS
2192     * @see #GET_RESOLVED_FILTER
2193     * @hide
2194     */
2195    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2196            int flags, int userId);
2197
2198
2199    /**
2200     * Retrieve a set of activities that should be presented to the user as
2201     * similar options.  This is like {@link #queryIntentActivities}, except it
2202     * also allows you to supply a list of more explicit Intents that you would
2203     * like to resolve to particular options, and takes care of returning the
2204     * final ResolveInfo list in a reasonable order, with no duplicates, based
2205     * on those inputs.
2206     *
2207     * @param caller The class name of the activity that is making the
2208     *               request.  This activity will never appear in the output
2209     *               list.  Can be null.
2210     * @param specifics An array of Intents that should be resolved to the
2211     *                  first specific results.  Can be null.
2212     * @param intent The desired intent as per resolveActivity().
2213     * @param flags Additional option flags.  The most important is
2214     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2215     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2216     *
2217     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2218     *         Activity. These are ordered first by all of the intents resolved
2219     *         in <var>specifics</var> and then any additional activities that
2220     *         can handle <var>intent</var> but did not get included by one of
2221     *         the <var>specifics</var> intents.  If there are no matching
2222     *         activities, an empty list is returned.
2223     *
2224     * @see #MATCH_DEFAULT_ONLY
2225     * @see #GET_INTENT_FILTERS
2226     * @see #GET_RESOLVED_FILTER
2227     */
2228    public abstract List<ResolveInfo> queryIntentActivityOptions(
2229            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2230
2231    /**
2232     * Retrieve all receivers that can handle a broadcast of the given intent.
2233     *
2234     * @param intent The desired intent as per resolveActivity().
2235     * @param flags Additional option flags.
2236     *
2237     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2238     *         Receiver. These are ordered from first to last in priority.  If
2239     *         there are no matching receivers, an empty list is returned.
2240     *
2241     * @see #MATCH_DEFAULT_ONLY
2242     * @see #GET_INTENT_FILTERS
2243     * @see #GET_RESOLVED_FILTER
2244     */
2245    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2246            int flags);
2247
2248    /**
2249     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2250     * user.
2251     *
2252     * @param intent The desired intent as per resolveActivity().
2253     * @param flags Additional option flags.
2254     * @param userId The userId of the user being queried.
2255     *
2256     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2257     *         Receiver. These are ordered from first to last in priority.  If
2258     *         there are no matching receivers, an empty list is returned.
2259     *
2260     * @see #MATCH_DEFAULT_ONLY
2261     * @see #GET_INTENT_FILTERS
2262     * @see #GET_RESOLVED_FILTER
2263     * @hide
2264     */
2265    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2266            int flags, int userId);
2267
2268    /**
2269     * Determine the best service to handle for a given Intent.
2270     *
2271     * @param intent An intent containing all of the desired specification
2272     *               (action, data, type, category, and/or component).
2273     * @param flags Additional option flags.
2274     *
2275     * @return Returns a ResolveInfo containing the final service intent that
2276     *         was determined to be the best action.  Returns null if no
2277     *         matching service was found.
2278     *
2279     * @see #GET_INTENT_FILTERS
2280     * @see #GET_RESOLVED_FILTER
2281     */
2282    public abstract ResolveInfo resolveService(Intent intent, int flags);
2283
2284    /**
2285     * Retrieve all services that can match the given intent.
2286     *
2287     * @param intent The desired intent as per resolveService().
2288     * @param flags Additional option flags.
2289     *
2290     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2291     *         ServiceInfo. These are ordered from best to worst match -- that
2292     *         is, the first item in the list is what is returned by
2293     *         resolveService().  If there are no matching services, an empty
2294     *         list is returned.
2295     *
2296     * @see #GET_INTENT_FILTERS
2297     * @see #GET_RESOLVED_FILTER
2298     */
2299    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2300            int flags);
2301
2302    /**
2303     * Retrieve all services that can match the given intent for a given user.
2304     *
2305     * @param intent The desired intent as per resolveService().
2306     * @param flags Additional option flags.
2307     * @param userId The user id.
2308     *
2309     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2310     *         ServiceInfo. These are ordered from best to worst match -- that
2311     *         is, the first item in the list is what is returned by
2312     *         resolveService().  If there are no matching services, an empty
2313     *         list is returned.
2314     *
2315     * @see #GET_INTENT_FILTERS
2316     * @see #GET_RESOLVED_FILTER
2317     *
2318     * @hide
2319     */
2320    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2321            int flags, int userId);
2322
2323    /** {@hide} */
2324    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2325            Intent intent, int flags, int userId);
2326
2327    /**
2328     * Retrieve all providers that can match the given intent.
2329     *
2330     * @param intent An intent containing all of the desired specification
2331     *            (action, data, type, category, and/or component).
2332     * @param flags Additional option flags.
2333     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2334     *         ProviderInfo. These are ordered from best to worst match. If
2335     *         there are no matching providers, an empty list is returned.
2336     * @see #GET_INTENT_FILTERS
2337     * @see #GET_RESOLVED_FILTER
2338     */
2339    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2340
2341    /**
2342     * Find a single content provider by its base path name.
2343     *
2344     * @param name The name of the provider to find.
2345     * @param flags Additional option flags.  Currently should always be 0.
2346     *
2347     * @return ContentProviderInfo Information about the provider, if found,
2348     *         else null.
2349     */
2350    public abstract ProviderInfo resolveContentProvider(String name,
2351            int flags);
2352
2353    /**
2354     * Retrieve content provider information.
2355     *
2356     * <p><em>Note: unlike most other methods, an empty result set is indicated
2357     * by a null return instead of an empty list.</em>
2358     *
2359     * @param processName If non-null, limits the returned providers to only
2360     *                    those that are hosted by the given process.  If null,
2361     *                    all content providers are returned.
2362     * @param uid If <var>processName</var> is non-null, this is the required
2363     *        uid owning the requested content providers.
2364     * @param flags Additional option flags.  Currently should always be 0.
2365     *
2366     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2367     *         content provider either patching <var>processName</var> or, if
2368     *         <var>processName</var> is null, all known content providers.
2369     *         <em>If there are no matching providers, null is returned.</em>
2370     */
2371    public abstract List<ProviderInfo> queryContentProviders(
2372            String processName, int uid, int flags);
2373
2374    /**
2375     * Retrieve all of the information we know about a particular
2376     * instrumentation class.
2377     *
2378     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2379     * given class name cannot be found on the system.
2380     *
2381     * @param className The full name (i.e.
2382     *                  com.google.apps.contacts.InstrumentList) of an
2383     *                  Instrumentation class.
2384     * @param flags Additional option flags.  Currently should always be 0.
2385     *
2386     * @return InstrumentationInfo containing information about the
2387     *         instrumentation.
2388     */
2389    public abstract InstrumentationInfo getInstrumentationInfo(
2390            ComponentName className, int flags) throws NameNotFoundException;
2391
2392    /**
2393     * Retrieve information about available instrumentation code.  May be used
2394     * to retrieve either all instrumentation code, or only the code targeting
2395     * a particular package.
2396     *
2397     * @param targetPackage If null, all instrumentation is returned; only the
2398     *                      instrumentation targeting this package name is
2399     *                      returned.
2400     * @param flags Additional option flags.  Currently should always be 0.
2401     *
2402     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2403     *         matching available Instrumentation.  Returns an empty list if
2404     *         there is no instrumentation available for the given package.
2405     */
2406    public abstract List<InstrumentationInfo> queryInstrumentation(
2407            String targetPackage, int flags);
2408
2409    /**
2410     * Retrieve an image from a package.  This is a low-level API used by
2411     * the various package manager info structures (such as
2412     * {@link ComponentInfo} to implement retrieval of their associated
2413     * icon.
2414     *
2415     * @param packageName The name of the package that this icon is coming from.
2416     * Cannot be null.
2417     * @param resid The resource identifier of the desired image.  Cannot be 0.
2418     * @param appInfo Overall information about <var>packageName</var>.  This
2419     * may be null, in which case the application information will be retrieved
2420     * for you if needed; if you already have this information around, it can
2421     * be much more efficient to supply it here.
2422     *
2423     * @return Returns a Drawable holding the requested image.  Returns null if
2424     * an image could not be found for any reason.
2425     */
2426    public abstract Drawable getDrawable(String packageName, int resid,
2427            ApplicationInfo appInfo);
2428
2429    /**
2430     * Retrieve the icon associated with an activity.  Given the full name of
2431     * an activity, retrieves the information about it and calls
2432     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2433     * If the activity cannot be found, NameNotFoundException is thrown.
2434     *
2435     * @param activityName Name of the activity whose icon is to be retrieved.
2436     *
2437     * @return Returns the image of the icon, or the default activity icon if
2438     * it could not be found.  Does not return null.
2439     * @throws NameNotFoundException Thrown if the resources for the given
2440     * activity could not be loaded.
2441     *
2442     * @see #getActivityIcon(Intent)
2443     */
2444    public abstract Drawable getActivityIcon(ComponentName activityName)
2445            throws NameNotFoundException;
2446
2447    /**
2448     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2449     * set, this simply returns the result of
2450     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2451     * component and returns the icon associated with the resolved component.
2452     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2453     * to a component, NameNotFoundException is thrown.
2454     *
2455     * @param intent The intent for which you would like to retrieve an icon.
2456     *
2457     * @return Returns the image of the icon, or the default activity icon if
2458     * it could not be found.  Does not return null.
2459     * @throws NameNotFoundException Thrown if the resources for application
2460     * matching the given intent could not be loaded.
2461     *
2462     * @see #getActivityIcon(ComponentName)
2463     */
2464    public abstract Drawable getActivityIcon(Intent intent)
2465            throws NameNotFoundException;
2466
2467    /**
2468     * Retrieve the banner associated with an activity. Given the full name of
2469     * an activity, retrieves the information about it and calls
2470     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2471     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2472     *
2473     * @param activityName Name of the activity whose banner is to be retrieved.
2474     * @return Returns the image of the banner, or null if the activity has no
2475     *         banner specified.
2476     * @throws NameNotFoundException Thrown if the resources for the given
2477     *             activity could not be loaded.
2478     * @see #getActivityBanner(Intent)
2479     */
2480    public abstract Drawable getActivityBanner(ComponentName activityName)
2481            throws NameNotFoundException;
2482
2483    /**
2484     * Retrieve the banner associated with an Intent. If intent.getClassName()
2485     * is set, this simply returns the result of
2486     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2487     * intent's component and returns the banner associated with the resolved
2488     * component. If intent.getClassName() cannot be found or the Intent cannot
2489     * be resolved to a component, NameNotFoundException is thrown.
2490     *
2491     * @param intent The intent for which you would like to retrieve a banner.
2492     * @return Returns the image of the banner, or null if the activity has no
2493     *         banner specified.
2494     * @throws NameNotFoundException Thrown if the resources for application
2495     *             matching the given intent could not be loaded.
2496     * @see #getActivityBanner(ComponentName)
2497     */
2498    public abstract Drawable getActivityBanner(Intent intent)
2499            throws NameNotFoundException;
2500
2501    /**
2502     * Return the generic icon for an activity that is used when no specific
2503     * icon is defined.
2504     *
2505     * @return Drawable Image of the icon.
2506     */
2507    public abstract Drawable getDefaultActivityIcon();
2508
2509    /**
2510     * Retrieve the icon associated with an application.  If it has not defined
2511     * an icon, the default app icon is returned.  Does not return null.
2512     *
2513     * @param info Information about application being queried.
2514     *
2515     * @return Returns the image of the icon, or the default application icon
2516     * if it could not be found.
2517     *
2518     * @see #getApplicationIcon(String)
2519     */
2520    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2521
2522    /**
2523     * Retrieve the icon associated with an application.  Given the name of the
2524     * application's package, retrieves the information about it and calls
2525     * getApplicationIcon() to return its icon. If the application cannot be
2526     * found, NameNotFoundException is thrown.
2527     *
2528     * @param packageName Name of the package whose application icon is to be
2529     *                    retrieved.
2530     *
2531     * @return Returns the image of the icon, or the default application icon
2532     * if it could not be found.  Does not return null.
2533     * @throws NameNotFoundException Thrown if the resources for the given
2534     * application could not be loaded.
2535     *
2536     * @see #getApplicationIcon(ApplicationInfo)
2537     */
2538    public abstract Drawable getApplicationIcon(String packageName)
2539            throws NameNotFoundException;
2540
2541    /**
2542     * Retrieve the banner associated with an application.
2543     *
2544     * @param info Information about application being queried.
2545     * @return Returns the image of the banner or null if the application has no
2546     *         banner specified.
2547     * @see #getApplicationBanner(String)
2548     */
2549    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2550
2551    /**
2552     * Retrieve the banner associated with an application. Given the name of the
2553     * application's package, retrieves the information about it and calls
2554     * getApplicationIcon() to return its banner. If the application cannot be
2555     * found, NameNotFoundException is thrown.
2556     *
2557     * @param packageName Name of the package whose application banner is to be
2558     *            retrieved.
2559     * @return Returns the image of the banner or null if the application has no
2560     *         banner specified.
2561     * @throws NameNotFoundException Thrown if the resources for the given
2562     *             application could not be loaded.
2563     * @see #getApplicationBanner(ApplicationInfo)
2564     */
2565    public abstract Drawable getApplicationBanner(String packageName)
2566            throws NameNotFoundException;
2567
2568    /**
2569     * Retrieve the logo associated with an activity. Given the full name of an
2570     * activity, retrieves the information about it and calls
2571     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2572     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2573     *
2574     * @param activityName Name of the activity whose logo is to be retrieved.
2575     * @return Returns the image of the logo or null if the activity has no logo
2576     *         specified.
2577     * @throws NameNotFoundException Thrown if the resources for the given
2578     *             activity could not be loaded.
2579     * @see #getActivityLogo(Intent)
2580     */
2581    public abstract Drawable getActivityLogo(ComponentName activityName)
2582            throws NameNotFoundException;
2583
2584    /**
2585     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2586     * set, this simply returns the result of
2587     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2588     * component and returns the logo associated with the resolved component.
2589     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2590     * to a component, NameNotFoundException is thrown.
2591     *
2592     * @param intent The intent for which you would like to retrieve a logo.
2593     *
2594     * @return Returns the image of the logo, or null if the activity has no
2595     * logo specified.
2596     *
2597     * @throws NameNotFoundException Thrown if the resources for application
2598     * matching the given intent could not be loaded.
2599     *
2600     * @see #getActivityLogo(ComponentName)
2601     */
2602    public abstract Drawable getActivityLogo(Intent intent)
2603            throws NameNotFoundException;
2604
2605    /**
2606     * Retrieve the logo associated with an application.  If it has not specified
2607     * a logo, this method returns null.
2608     *
2609     * @param info Information about application being queried.
2610     *
2611     * @return Returns the image of the logo, or null if no logo is specified
2612     * by the application.
2613     *
2614     * @see #getApplicationLogo(String)
2615     */
2616    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2617
2618    /**
2619     * Retrieve the logo associated with an application.  Given the name of the
2620     * application's package, retrieves the information about it and calls
2621     * getApplicationLogo() to return its logo. If the application cannot be
2622     * found, NameNotFoundException is thrown.
2623     *
2624     * @param packageName Name of the package whose application logo is to be
2625     *                    retrieved.
2626     *
2627     * @return Returns the image of the logo, or null if no application logo
2628     * has been specified.
2629     *
2630     * @throws NameNotFoundException Thrown if the resources for the given
2631     * application could not be loaded.
2632     *
2633     * @see #getApplicationLogo(ApplicationInfo)
2634     */
2635    public abstract Drawable getApplicationLogo(String packageName)
2636            throws NameNotFoundException;
2637
2638    /**
2639     * Retrieve text from a package.  This is a low-level API used by
2640     * the various package manager info structures (such as
2641     * {@link ComponentInfo} to implement retrieval of their associated
2642     * labels and other text.
2643     *
2644     * @param packageName The name of the package that this text is coming from.
2645     * Cannot be null.
2646     * @param resid The resource identifier of the desired text.  Cannot be 0.
2647     * @param appInfo Overall information about <var>packageName</var>.  This
2648     * may be null, in which case the application information will be retrieved
2649     * for you if needed; if you already have this information around, it can
2650     * be much more efficient to supply it here.
2651     *
2652     * @return Returns a CharSequence holding the requested text.  Returns null
2653     * if the text could not be found for any reason.
2654     */
2655    public abstract CharSequence getText(String packageName, int resid,
2656            ApplicationInfo appInfo);
2657
2658    /**
2659     * Retrieve an XML file from a package.  This is a low-level API used to
2660     * retrieve XML meta data.
2661     *
2662     * @param packageName The name of the package that this xml is coming from.
2663     * Cannot be null.
2664     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2665     * @param appInfo Overall information about <var>packageName</var>.  This
2666     * may be null, in which case the application information will be retrieved
2667     * for you if needed; if you already have this information around, it can
2668     * be much more efficient to supply it here.
2669     *
2670     * @return Returns an XmlPullParser allowing you to parse out the XML
2671     * data.  Returns null if the xml resource could not be found for any
2672     * reason.
2673     */
2674    public abstract XmlResourceParser getXml(String packageName, int resid,
2675            ApplicationInfo appInfo);
2676
2677    /**
2678     * Return the label to use for this application.
2679     *
2680     * @return Returns the label associated with this application, or null if
2681     * it could not be found for any reason.
2682     * @param info The application to get the label of.
2683     */
2684    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2685
2686    /**
2687     * Retrieve the resources associated with an activity.  Given the full
2688     * name of an activity, retrieves the information about it and calls
2689     * getResources() to return its application's resources.  If the activity
2690     * cannot be found, NameNotFoundException is thrown.
2691     *
2692     * @param activityName Name of the activity whose resources are to be
2693     *                     retrieved.
2694     *
2695     * @return Returns the application's Resources.
2696     * @throws NameNotFoundException Thrown if the resources for the given
2697     * application could not be loaded.
2698     *
2699     * @see #getResourcesForApplication(ApplicationInfo)
2700     */
2701    public abstract Resources getResourcesForActivity(ComponentName activityName)
2702            throws NameNotFoundException;
2703
2704    /**
2705     * Retrieve the resources for an application.  Throws NameNotFoundException
2706     * if the package is no longer installed.
2707     *
2708     * @param app Information about the desired application.
2709     *
2710     * @return Returns the application's Resources.
2711     * @throws NameNotFoundException Thrown if the resources for the given
2712     * application could not be loaded (most likely because it was uninstalled).
2713     */
2714    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2715            throws NameNotFoundException;
2716
2717    /**
2718     * Retrieve the resources associated with an application.  Given the full
2719     * package name of an application, retrieves the information about it and
2720     * calls getResources() to return its application's resources.  If the
2721     * appPackageName cannot be found, NameNotFoundException is thrown.
2722     *
2723     * @param appPackageName Package name of the application whose resources
2724     *                       are to be retrieved.
2725     *
2726     * @return Returns the application's Resources.
2727     * @throws NameNotFoundException Thrown if the resources for the given
2728     * application could not be loaded.
2729     *
2730     * @see #getResourcesForApplication(ApplicationInfo)
2731     */
2732    public abstract Resources getResourcesForApplication(String appPackageName)
2733            throws NameNotFoundException;
2734
2735    /** @hide */
2736    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2737            throws NameNotFoundException;
2738
2739    /**
2740     * Retrieve overall information about an application package defined
2741     * in a package archive file
2742     *
2743     * @param archiveFilePath The path to the archive file
2744     * @param flags Additional option flags. Use any combination of
2745     * {@link #GET_ACTIVITIES},
2746     * {@link #GET_GIDS},
2747     * {@link #GET_CONFIGURATIONS},
2748     * {@link #GET_INSTRUMENTATION},
2749     * {@link #GET_PERMISSIONS},
2750     * {@link #GET_PROVIDERS},
2751     * {@link #GET_RECEIVERS},
2752     * {@link #GET_SERVICES},
2753     * {@link #GET_SIGNATURES}, to modify the data returned.
2754     *
2755     * @return Returns the information about the package. Returns
2756     * null if the package could not be successfully parsed.
2757     *
2758     * @see #GET_ACTIVITIES
2759     * @see #GET_GIDS
2760     * @see #GET_CONFIGURATIONS
2761     * @see #GET_INSTRUMENTATION
2762     * @see #GET_PERMISSIONS
2763     * @see #GET_PROVIDERS
2764     * @see #GET_RECEIVERS
2765     * @see #GET_SERVICES
2766     * @see #GET_SIGNATURES
2767     *
2768     */
2769    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2770        PackageParser packageParser = new PackageParser(archiveFilePath);
2771        DisplayMetrics metrics = new DisplayMetrics();
2772        metrics.setToDefaults();
2773        final File sourceFile = new File(archiveFilePath);
2774        PackageParser.Package pkg = packageParser.parsePackage(
2775                sourceFile, archiveFilePath, metrics, 0);
2776        if (pkg == null) {
2777            return null;
2778        }
2779        if ((flags & GET_SIGNATURES) != 0) {
2780            packageParser.collectCertificates(pkg, 0);
2781        }
2782        PackageUserState state = new PackageUserState();
2783        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2784    }
2785
2786    /**
2787     * @hide
2788     *
2789     * Install a package. Since this may take a little while, the result will
2790     * be posted back to the given observer.  An installation will fail if the calling context
2791     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2792     * package named in the package file's manifest is already installed, or if there's no space
2793     * available on the device.
2794     *
2795     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2796     * 'content:' URI.
2797     * @param observer An observer callback to get notified when the package installation is
2798     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2799     * called when that happens.  observer may be null to indicate that no callback is desired.
2800     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2801     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2802     * @param installerPackageName Optional package name of the application that is performing the
2803     * installation. This identifies which market the package came from.
2804     */
2805    public abstract void installPackage(
2806            Uri packageURI, IPackageInstallObserver observer, int flags,
2807            String installerPackageName);
2808
2809    /**
2810     * Similar to
2811     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2812     * with an extra verification file 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 verificationURI The location of the supplementary verification
2828     *            file. This can be a 'file:' or a 'content:' URI. May be
2829     *            {@code null}.
2830     * @param manifestDigest an object that holds the digest of the package
2831     *            which can be used to verify ownership. May be {@code null}.
2832     * @param encryptionParams if the package to be installed is encrypted,
2833     *            these parameters describing the encryption and authentication
2834     *            used. May be {@code null}.
2835     * @hide
2836     */
2837    public abstract void installPackageWithVerification(Uri packageURI,
2838            IPackageInstallObserver observer, int flags, String installerPackageName,
2839            Uri verificationURI, ManifestDigest manifestDigest,
2840            ContainerEncryptionParams encryptionParams);
2841
2842    /**
2843     * Similar to
2844     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2845     * with an extra verification information provided.
2846     *
2847     * @param packageURI The location of the package file to install. This can
2848     *            be a 'file:' or a 'content:' URI.
2849     * @param observer An observer callback to get notified when the package
2850     *            installation is complete.
2851     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2852     *            will be called when that happens. observer may be null to
2853     *            indicate that no callback is desired.
2854     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2855     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2856     *            .
2857     * @param installerPackageName Optional package name of the application that
2858     *            is performing the installation. This identifies which market
2859     *            the package came from.
2860     * @param verificationParams an object that holds signal information to
2861     *            assist verification. May be {@code null}.
2862     * @param encryptionParams if the package to be installed is encrypted,
2863     *            these parameters describing the encryption and authentication
2864     *            used. May be {@code null}.
2865     *
2866     * @hide
2867     */
2868    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2869            IPackageInstallObserver observer, int flags, String installerPackageName,
2870            VerificationParams verificationParams,
2871            ContainerEncryptionParams encryptionParams);
2872
2873    /**
2874     * If there is already an application with the given package name installed
2875     * on the system for other users, also install it for the calling user.
2876     * @hide
2877     */
2878    public abstract int installExistingPackage(String packageName)
2879            throws NameNotFoundException;
2880
2881    /**
2882     * Allows a package listening to the
2883     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2884     * broadcast} to respond to the package manager. The response must include
2885     * the {@code verificationCode} which is one of
2886     * {@link PackageManager#VERIFICATION_ALLOW} or
2887     * {@link PackageManager#VERIFICATION_REJECT}.
2888     *
2889     * @param id pending package identifier as passed via the
2890     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2891     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
2892     *            or {@link PackageManager#VERIFICATION_REJECT}.
2893     * @throws SecurityException if the caller does not have the
2894     *            PACKAGE_VERIFICATION_AGENT permission.
2895     */
2896    public abstract void verifyPendingInstall(int id, int verificationCode);
2897
2898    /**
2899     * Allows a package listening to the
2900     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2901     * broadcast} to extend the default timeout for a response and declare what
2902     * action to perform after the timeout occurs. The response must include
2903     * the {@code verificationCodeAtTimeout} which is one of
2904     * {@link PackageManager#VERIFICATION_ALLOW} or
2905     * {@link PackageManager#VERIFICATION_REJECT}.
2906     *
2907     * This method may only be called once per package id. Additional calls
2908     * will have no effect.
2909     *
2910     * @param id pending package identifier as passed via the
2911     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2912     * @param verificationCodeAtTimeout either
2913     *            {@link PackageManager#VERIFICATION_ALLOW} or
2914     *            {@link PackageManager#VERIFICATION_REJECT}. If
2915     *            {@code verificationCodeAtTimeout} is neither
2916     *            {@link PackageManager#VERIFICATION_ALLOW} or
2917     *            {@link PackageManager#VERIFICATION_REJECT}, then
2918     *            {@code verificationCodeAtTimeout} will default to
2919     *            {@link PackageManager#VERIFICATION_REJECT}.
2920     * @param millisecondsToDelay the amount of time requested for the timeout.
2921     *            Must be positive and less than
2922     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
2923     *            {@code millisecondsToDelay} is out of bounds,
2924     *            {@code millisecondsToDelay} will be set to the closest in
2925     *            bounds value; namely, 0 or
2926     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
2927     * @throws SecurityException if the caller does not have the
2928     *            PACKAGE_VERIFICATION_AGENT permission.
2929     */
2930    public abstract void extendVerificationTimeout(int id,
2931            int verificationCodeAtTimeout, long millisecondsToDelay);
2932
2933    /**
2934     * Change the installer associated with a given package.  There are limitations
2935     * on how the installer package can be changed; in particular:
2936     * <ul>
2937     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
2938     * is not signed with the same certificate as the calling application.
2939     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
2940     * has an installer package, and that installer package is not signed with
2941     * the same certificate as the calling application.
2942     * </ul>
2943     *
2944     * @param targetPackage The installed package whose installer will be changed.
2945     * @param installerPackageName The package name of the new installer.  May be
2946     * null to clear the association.
2947     */
2948    public abstract void setInstallerPackageName(String targetPackage,
2949            String installerPackageName);
2950
2951    /**
2952     * Attempts to delete a package.  Since this may take a little while, the result will
2953     * be posted back to the given observer.  A deletion will fail if the calling context
2954     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
2955     * named package cannot be found, or if the named package is a "system package".
2956     * (TODO: include pointer to documentation on "system packages")
2957     *
2958     * @param packageName The name of the package to delete
2959     * @param observer An observer callback to get notified when the package deletion is
2960     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
2961     * called when that happens.  observer may be null to indicate that no callback is desired.
2962     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
2963     * {@link #DELETE_ALL_USERS}.
2964     *
2965     * @hide
2966     */
2967    public abstract void deletePackage(
2968            String packageName, IPackageDeleteObserver observer, int flags);
2969
2970    /**
2971     * Retrieve the package name of the application that installed a package. This identifies
2972     * which market the package came from.
2973     *
2974     * @param packageName The name of the package to query
2975     */
2976    public abstract String getInstallerPackageName(String packageName);
2977
2978    /**
2979     * Attempts to clear the user data directory of an application.
2980     * Since this may take a little while, the result will
2981     * be posted back to the given observer.  A deletion will fail if the
2982     * named package cannot be found, or if the named package is a "system package".
2983     *
2984     * @param packageName The name of the package
2985     * @param observer An observer callback to get notified when the operation is finished
2986     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2987     * will be called when that happens.  observer may be null to indicate that
2988     * no callback is desired.
2989     *
2990     * @hide
2991     */
2992    public abstract void clearApplicationUserData(String packageName,
2993            IPackageDataObserver observer);
2994    /**
2995     * Attempts to delete the cache files associated with an application.
2996     * Since this may take a little while, the result will
2997     * be posted back to the given observer.  A deletion will fail if the calling context
2998     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
2999     * named package cannot be found, or if the named package is a "system package".
3000     *
3001     * @param packageName The name of the package to delete
3002     * @param observer An observer callback to get notified when the cache file deletion
3003     * is complete.
3004     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3005     * will be called when that happens.  observer may be null to indicate that
3006     * no callback is desired.
3007     *
3008     * @hide
3009     */
3010    public abstract void deleteApplicationCacheFiles(String packageName,
3011            IPackageDataObserver observer);
3012
3013    /**
3014     * Free storage by deleting LRU sorted list of cache files across
3015     * all applications. If the currently available free storage
3016     * on the device is greater than or equal to the requested
3017     * free storage, no cache files are cleared. If the currently
3018     * available storage on the device is less than the requested
3019     * free storage, some or all of the cache files across
3020     * all applications are deleted (based on last accessed time)
3021     * to increase the free storage space on the device to
3022     * the requested value. There is no guarantee that clearing all
3023     * the cache files from all applications will clear up
3024     * enough storage to achieve the desired value.
3025     * @param freeStorageSize The number of bytes of storage to be
3026     * freed by the system. Say if freeStorageSize is XX,
3027     * and the current free storage is YY,
3028     * if XX is less than YY, just return. if not free XX-YY number
3029     * of bytes if possible.
3030     * @param observer call back used to notify when
3031     * the operation is completed
3032     *
3033     * @hide
3034     */
3035    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3036
3037    /**
3038     * Free storage by deleting LRU sorted list of cache files across
3039     * all applications. If the currently available free storage
3040     * on the device is greater than or equal to the requested
3041     * free storage, no cache files are cleared. If the currently
3042     * available storage on the device is less than the requested
3043     * free storage, some or all of the cache files across
3044     * all applications are deleted (based on last accessed time)
3045     * to increase the free storage space on the device to
3046     * the requested value. There is no guarantee that clearing all
3047     * the cache files from all applications will clear up
3048     * enough storage to achieve the desired value.
3049     * @param freeStorageSize The number of bytes of storage to be
3050     * freed by the system. Say if freeStorageSize is XX,
3051     * and the current free storage is YY,
3052     * if XX is less than YY, just return. if not free XX-YY number
3053     * of bytes if possible.
3054     * @param pi IntentSender call back used to
3055     * notify when the operation is completed.May be null
3056     * to indicate that no call back is desired.
3057     *
3058     * @hide
3059     */
3060    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3061
3062    /**
3063     * Retrieve the size information for a package.
3064     * Since this may take a little while, the result will
3065     * be posted back to the given observer.  The calling context
3066     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3067     *
3068     * @param packageName The name of the package whose size information is to be retrieved
3069     * @param userHandle The user whose size information should be retrieved.
3070     * @param observer An observer callback to get notified when the operation
3071     * is complete.
3072     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3073     * The observer's callback is invoked with a PackageStats object(containing the
3074     * code, data and cache sizes of the package) and a boolean value representing
3075     * the status of the operation. observer may be null to indicate that
3076     * no callback is desired.
3077     *
3078     * @hide
3079     */
3080    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3081            IPackageStatsObserver observer);
3082
3083    /**
3084     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3085     * returns the size for the calling user.
3086     *
3087     * @hide
3088     */
3089    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3090        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3091    }
3092
3093    /**
3094     * @deprecated This function no longer does anything; it was an old
3095     * approach to managing preferred activities, which has been superseded
3096     * by (and conflicts with) the modern activity-based preferences.
3097     */
3098    @Deprecated
3099    public abstract void addPackageToPreferred(String packageName);
3100
3101    /**
3102     * @deprecated This function no longer does anything; it was an old
3103     * approach to managing preferred activities, which has been superseded
3104     * by (and conflicts with) the modern activity-based preferences.
3105     */
3106    @Deprecated
3107    public abstract void removePackageFromPreferred(String packageName);
3108
3109    /**
3110     * Retrieve the list of all currently configured preferred packages.  The
3111     * first package on the list is the most preferred, the last is the
3112     * least preferred.
3113     *
3114     * @param flags Additional option flags. Use any combination of
3115     * {@link #GET_ACTIVITIES},
3116     * {@link #GET_GIDS},
3117     * {@link #GET_CONFIGURATIONS},
3118     * {@link #GET_INSTRUMENTATION},
3119     * {@link #GET_PERMISSIONS},
3120     * {@link #GET_PROVIDERS},
3121     * {@link #GET_RECEIVERS},
3122     * {@link #GET_SERVICES},
3123     * {@link #GET_SIGNATURES}, to modify the data returned.
3124     *
3125     * @return Returns a list of PackageInfo objects describing each
3126     * preferred application, in order of preference.
3127     *
3128     * @see #GET_ACTIVITIES
3129     * @see #GET_GIDS
3130     * @see #GET_CONFIGURATIONS
3131     * @see #GET_INSTRUMENTATION
3132     * @see #GET_PERMISSIONS
3133     * @see #GET_PROVIDERS
3134     * @see #GET_RECEIVERS
3135     * @see #GET_SERVICES
3136     * @see #GET_SIGNATURES
3137     */
3138    public abstract List<PackageInfo> getPreferredPackages(int flags);
3139
3140    /**
3141     * @deprecated This is a protected API that should not have been available
3142     * to third party applications.  It is the platform's responsibility for
3143     * assigning preferred activities and this cannot be directly modified.
3144     *
3145     * Add a new preferred activity mapping to the system.  This will be used
3146     * to automatically select the given activity component when
3147     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3148     * multiple matching activities and also matches the given filter.
3149     *
3150     * @param filter The set of intents under which this activity will be
3151     * made preferred.
3152     * @param match The IntentFilter match category that this preference
3153     * applies to.
3154     * @param set The set of activities that the user was picking from when
3155     * this preference was made.
3156     * @param activity The component name of the activity that is to be
3157     * preferred.
3158     */
3159    @Deprecated
3160    public abstract void addPreferredActivity(IntentFilter filter, int match,
3161            ComponentName[] set, ComponentName activity);
3162
3163    /**
3164     * Same as {@link #addPreferredActivity(IntentFilter, int,
3165            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3166            to.
3167     * @hide
3168     */
3169    public void addPreferredActivity(IntentFilter filter, int match,
3170            ComponentName[] set, ComponentName activity, int userId) {
3171        throw new RuntimeException("Not implemented. Must override in a subclass.");
3172    }
3173
3174    /**
3175     * @deprecated This is a protected API that should not have been available
3176     * to third party applications.  It is the platform's responsibility for
3177     * assigning preferred activities and this cannot be directly modified.
3178     *
3179     * Replaces an existing preferred activity mapping to the system, and if that were not present
3180     * adds a new preferred activity.  This will be used
3181     * to automatically select the given activity component when
3182     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3183     * multiple matching activities and also matches the given filter.
3184     *
3185     * @param filter The set of intents under which this activity will be
3186     * made preferred.
3187     * @param match The IntentFilter match category that this preference
3188     * applies to.
3189     * @param set The set of activities that the user was picking from when
3190     * this preference was made.
3191     * @param activity The component name of the activity that is to be
3192     * preferred.
3193     * @hide
3194     */
3195    @Deprecated
3196    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3197            ComponentName[] set, ComponentName activity);
3198
3199    /**
3200     * Remove all preferred activity mappings, previously added with
3201     * {@link #addPreferredActivity}, from the
3202     * system whose activities are implemented in the given package name.
3203     * An application can only clear its own package(s).
3204     *
3205     * @param packageName The name of the package whose preferred activity
3206     * mappings are to be removed.
3207     */
3208    public abstract void clearPackagePreferredActivities(String packageName);
3209
3210    /**
3211     * Retrieve all preferred activities, previously added with
3212     * {@link #addPreferredActivity}, that are
3213     * currently registered with the system.
3214     *
3215     * @param outFilters A list in which to place the filters of all of the
3216     * preferred activities, or null for none.
3217     * @param outActivities A list in which to place the component names of
3218     * all of the preferred activities, or null for none.
3219     * @param packageName An option package in which you would like to limit
3220     * the list.  If null, all activities will be returned; if non-null, only
3221     * those activities in the given package are returned.
3222     *
3223     * @return Returns the total number of registered preferred activities
3224     * (the number of distinct IntentFilter records, not the number of unique
3225     * activity components) that were found.
3226     */
3227    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3228            List<ComponentName> outActivities, String packageName);
3229
3230    /**
3231     * Ask for the set of available 'home' activities and the current explicit
3232     * default, if any.
3233     * @hide
3234     */
3235    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3236
3237    /**
3238     * Set the enabled setting for a package component (activity, receiver, service, provider).
3239     * This setting will override any enabled state which may have been set by the component in its
3240     * manifest.
3241     *
3242     * @param componentName The component to enable
3243     * @param newState The new enabled state for the component.  The legal values for this state
3244     *                 are:
3245     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3246     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3247     *                   and
3248     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3249     *                 The last one removes the setting, thereby restoring the component's state to
3250     *                 whatever was set in it's manifest (or enabled, by default).
3251     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3252     */
3253    public abstract void setComponentEnabledSetting(ComponentName componentName,
3254            int newState, int flags);
3255
3256
3257    /**
3258     * Return the the enabled setting for a package component (activity,
3259     * receiver, service, provider).  This returns the last value set by
3260     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3261     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3262     * the value originally specified in the manifest has not been modified.
3263     *
3264     * @param componentName The component to retrieve.
3265     * @return Returns the current enabled state for the component.  May
3266     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3267     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3268     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3269     * component's enabled state is based on the original information in
3270     * the manifest as found in {@link ComponentInfo}.
3271     */
3272    public abstract int getComponentEnabledSetting(ComponentName componentName);
3273
3274    /**
3275     * Set the enabled setting for an application
3276     * This setting will override any enabled state which may have been set by the application in
3277     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3278     * application's components.  It does not override any enabled state set by
3279     * {@link #setComponentEnabledSetting} for any of the application's components.
3280     *
3281     * @param packageName The package name of the application to enable
3282     * @param newState The new enabled state for the component.  The legal values for this state
3283     *                 are:
3284     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3285     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3286     *                   and
3287     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3288     *                 The last one removes the setting, thereby restoring the applications's state to
3289     *                 whatever was set in its manifest (or enabled, by default).
3290     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3291     */
3292    public abstract void setApplicationEnabledSetting(String packageName,
3293            int newState, int flags);
3294
3295    /**
3296     * Return the the enabled setting for an application.  This returns
3297     * the last value set by
3298     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3299     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3300     * the value originally specified in the manifest has not been modified.
3301     *
3302     * @param packageName The component to retrieve.
3303     * @return Returns the current enabled state for the component.  May
3304     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3305     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3306     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3307     * application's enabled state is based on the original information in
3308     * the manifest as found in {@link ComponentInfo}.
3309     * @throws IllegalArgumentException if the named package does not exist.
3310     */
3311    public abstract int getApplicationEnabledSetting(String packageName);
3312
3313    /**
3314     * Puts the package in a blocked state, which is almost like an uninstalled state,
3315     * making the package unavailable, but it doesn't remove the data or the actual
3316     * package file.
3317     * @hide
3318     */
3319    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3320            UserHandle userHandle);
3321
3322    /**
3323     * Returns the blocked state of a package.
3324     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3325     * @hide
3326     */
3327    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3328            UserHandle userHandle);
3329
3330    /**
3331     * Return whether the device has been booted into safe mode.
3332     */
3333    public abstract boolean isSafeMode();
3334
3335    /**
3336     * Attempts to move package resources from internal to external media or vice versa.
3337     * Since this may take a little while, the result will
3338     * be posted back to the given observer.   This call may fail if the calling context
3339     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3340     * named package cannot be found, or if the named package is a "system package".
3341     *
3342     * @param packageName The name of the package to delete
3343     * @param observer An observer callback to get notified when the package move is
3344     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3345     * called when that happens.  observer may be null to indicate that no callback is desired.
3346     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3347     * {@link #MOVE_EXTERNAL_MEDIA}
3348     *
3349     * @hide
3350     */
3351    public abstract void movePackage(
3352            String packageName, IPackageMoveObserver observer, int flags);
3353
3354    /**
3355     * Returns the device identity that verifiers can use to associate their scheme to a particular
3356     * device. This should not be used by anything other than a package verifier.
3357     *
3358     * @return identity that uniquely identifies current device
3359     * @hide
3360     */
3361    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3362
3363    /**
3364     * Returns the data directory for a particular user and package, given the uid of the package.
3365     * @param uid uid of the package, including the userId and appId
3366     * @param packageName name of the package
3367     * @return the user-specific data directory for the package
3368     * @hide
3369     */
3370    public static String getDataDirForUser(int userId, String packageName) {
3371        // TODO: This should be shared with Installer's knowledge of user directory
3372        return Environment.getDataDirectory().toString() + "/user/" + userId
3373                + "/" + packageName;
3374    }
3375}
3376