PackageManager.java revision 68b9d97593d2ec79892813ab06f1b89c41de64b0
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.IntDef;
20import android.annotation.SdkConstant;
21import android.annotation.SdkConstant.SdkConstantType;
22import android.app.PackageInstallObserver;
23import android.content.ComponentName;
24import android.content.Context;
25import android.content.Intent;
26import android.content.IntentFilter;
27import android.content.IntentSender;
28import android.content.res.Resources;
29import android.content.res.XmlResourceParser;
30import android.graphics.drawable.Drawable;
31import android.net.Uri;
32import android.os.Environment;
33import android.os.UserHandle;
34import android.util.AndroidException;
35import android.util.DisplayMetrics;
36
37import java.io.File;
38import java.lang.annotation.Retention;
39import java.lang.annotation.RetentionPolicy;
40import java.util.List;
41
42/**
43 * Class for retrieving various kinds of information related to the application
44 * packages that are currently installed on the device.
45 *
46 * You can find this class through {@link Context#getPackageManager}.
47 */
48public abstract class PackageManager {
49
50    /**
51     * This exception is thrown when a given package, application, or component
52     * name cannot be found.
53     */
54    public static class NameNotFoundException extends AndroidException {
55        public NameNotFoundException() {
56        }
57
58        public NameNotFoundException(String name) {
59            super(name);
60        }
61    }
62
63    /**
64     * {@link PackageInfo} flag: return information about
65     * activities in the package in {@link PackageInfo#activities}.
66     */
67    public static final int GET_ACTIVITIES              = 0x00000001;
68
69    /**
70     * {@link PackageInfo} flag: return information about
71     * intent receivers in the package in
72     * {@link PackageInfo#receivers}.
73     */
74    public static final int GET_RECEIVERS               = 0x00000002;
75
76    /**
77     * {@link PackageInfo} flag: return information about
78     * services in the package in {@link PackageInfo#services}.
79     */
80    public static final int GET_SERVICES                = 0x00000004;
81
82    /**
83     * {@link PackageInfo} flag: return information about
84     * content providers in the package in
85     * {@link PackageInfo#providers}.
86     */
87    public static final int GET_PROVIDERS               = 0x00000008;
88
89    /**
90     * {@link PackageInfo} flag: return information about
91     * instrumentation in the package in
92     * {@link PackageInfo#instrumentation}.
93     */
94    public static final int GET_INSTRUMENTATION         = 0x00000010;
95
96    /**
97     * {@link PackageInfo} flag: return information about the
98     * intent filters supported by the activity.
99     */
100    public static final int GET_INTENT_FILTERS          = 0x00000020;
101
102    /**
103     * {@link PackageInfo} flag: return information about the
104     * signatures included in the package.
105     */
106    public static final int GET_SIGNATURES          = 0x00000040;
107
108    /**
109     * {@link ResolveInfo} flag: return the IntentFilter that
110     * was matched for a particular ResolveInfo in
111     * {@link ResolveInfo#filter}.
112     */
113    public static final int GET_RESOLVED_FILTER         = 0x00000040;
114
115    /**
116     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
117     * data {@link android.os.Bundle}s that are associated with a component.
118     * This applies for any API returning a ComponentInfo subclass.
119     */
120    public static final int GET_META_DATA               = 0x00000080;
121
122    /**
123     * {@link PackageInfo} flag: return the
124     * {@link PackageInfo#gids group ids} that are associated with an
125     * application.
126     * This applies for any API returning a PackageInfo class, either
127     * directly or nested inside of another.
128     */
129    public static final int GET_GIDS                    = 0x00000100;
130
131    /**
132     * {@link PackageInfo} flag: include disabled components in the returned info.
133     */
134    public static final int GET_DISABLED_COMPONENTS     = 0x00000200;
135
136    /**
137     * {@link ApplicationInfo} flag: return the
138     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
139     * that are associated with an application.
140     * This applies for any API returning an ApplicationInfo class, either
141     * directly or nested inside of another.
142     */
143    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
144
145    /**
146     * {@link ProviderInfo} flag: return the
147     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
148     * that are associated with a content provider.
149     * This applies for any API returning a ProviderInfo class, either
150     * directly or nested inside of another.
151     */
152    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
153    /**
154     * {@link PackageInfo} flag: return information about
155     * permissions in the package in
156     * {@link PackageInfo#permissions}.
157     */
158    public static final int GET_PERMISSIONS               = 0x00001000;
159
160    /**
161     * Flag parameter to retrieve some information about all applications (even
162     * uninstalled ones) which have data directories. This state could have
163     * resulted if applications have been deleted with flag
164     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
165     * reinstalled in future.
166     * <p>
167     * Note: this flag may cause less information about currently installed
168     * applications to be returned.
169     */
170    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
171
172    /**
173     * {@link PackageInfo} flag: return information about
174     * hardware preferences in
175     * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
176     * requested features in {@link PackageInfo#reqFeatures
177     * PackageInfo.reqFeatures}.
178     */
179    public static final int GET_CONFIGURATIONS = 0x00004000;
180
181    /**
182     * {@link PackageInfo} flag: include disabled components which are in
183     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
184     * in the returned info.  Note that if you set this flag, applications
185     * that are in this disabled state will be reported as enabled.
186     */
187    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
188
189    /**
190     * Resolution and querying flag: if set, only filters that support the
191     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
192     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
193     * supplied Intent.
194     */
195    public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
196
197    /** @hide */
198    @IntDef({PERMISSION_GRANTED, PERMISSION_DENIED})
199    @Retention(RetentionPolicy.SOURCE)
200    public @interface PermissionResult {}
201
202    /**
203     * Permission check result: this is returned by {@link #checkPermission}
204     * if the permission has been granted to the given package.
205     */
206    public static final int PERMISSION_GRANTED = 0;
207
208    /**
209     * Permission check result: this is returned by {@link #checkPermission}
210     * if the permission has not been granted to the given package.
211     */
212    public static final int PERMISSION_DENIED = -1;
213
214    /**
215     * Signature check result: this is returned by {@link #checkSignatures}
216     * if all signatures on the two packages match.
217     */
218    public static final int SIGNATURE_MATCH = 0;
219
220    /**
221     * Signature check result: this is returned by {@link #checkSignatures}
222     * if neither of the two packages is signed.
223     */
224    public static final int SIGNATURE_NEITHER_SIGNED = 1;
225
226    /**
227     * Signature check result: this is returned by {@link #checkSignatures}
228     * if the first package is not signed but the second is.
229     */
230    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
231
232    /**
233     * Signature check result: this is returned by {@link #checkSignatures}
234     * if the second package is not signed but the first is.
235     */
236    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
237
238    /**
239     * Signature check result: this is returned by {@link #checkSignatures}
240     * if not all signatures on both packages match.
241     */
242    public static final int SIGNATURE_NO_MATCH = -3;
243
244    /**
245     * Signature check result: this is returned by {@link #checkSignatures}
246     * if either of the packages are not valid.
247     */
248    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
249
250    /**
251     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
252     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
253     * component or application is in its default enabled state (as specified
254     * in its manifest).
255     */
256    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
257
258    /**
259     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
260     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
261     * component or application has been explictily enabled, regardless of
262     * what it has specified in its manifest.
263     */
264    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
265
266    /**
267     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
268     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
269     * component or application has been explicitly disabled, regardless of
270     * what it has specified in its manifest.
271     */
272    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
273
274    /**
275     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
276     * user has explicitly disabled the application, regardless of what it has
277     * specified in its manifest.  Because this is due to the user's request,
278     * they may re-enable it if desired through the appropriate system UI.  This
279     * option currently <strong>cannot</strong> be used with
280     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
281     */
282    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
283
284    /**
285     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
286     * application should be considered, until the point where the user actually
287     * wants to use it.  This means that it will not normally show up to the user
288     * (such as in the launcher), but various parts of the user interface can
289     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
290     * the user to select it (as for example an IME, device admin, etc).  Such code,
291     * once the user has selected the app, should at that point also make it enabled.
292     * This option currently <strong>can not</strong> be used with
293     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
294     */
295    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
296
297    /**
298     * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
299     * indicate that this package should be installed as forward locked, i.e. only the app itself
300     * should have access to its code and non-resource assets.
301     * @hide
302     */
303    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
304
305    /**
306     * Flag parameter for {@link #installPackage} to indicate that you want to replace an already
307     * installed package, if one exists.
308     * @hide
309     */
310    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
311
312    /**
313     * Flag parameter for {@link #installPackage} to indicate that you want to
314     * allow test packages (those that have set android:testOnly in their
315     * manifest) to be installed.
316     * @hide
317     */
318    public static final int INSTALL_ALLOW_TEST = 0x00000004;
319
320    /**
321     * Flag parameter for {@link #installPackage} to indicate that this
322     * package has to be installed on the sdcard.
323     * @hide
324     */
325    public static final int INSTALL_EXTERNAL = 0x00000008;
326
327    /**
328     * Flag parameter for {@link #installPackage} to indicate that this package
329     * has to be installed on the sdcard.
330     * @hide
331     */
332    public static final int INSTALL_INTERNAL = 0x00000010;
333
334    /**
335     * Flag parameter for {@link #installPackage} to indicate that this install
336     * was initiated via ADB.
337     *
338     * @hide
339     */
340    public static final int INSTALL_FROM_ADB = 0x00000020;
341
342    /**
343     * Flag parameter for {@link #installPackage} to indicate that this install
344     * should immediately be visible to all users.
345     *
346     * @hide
347     */
348    public static final int INSTALL_ALL_USERS = 0x00000040;
349
350    /**
351     * Flag parameter for {@link #installPackage} to indicate that it is okay
352     * to install an update to an app where the newly installed app has a lower
353     * version code than the currently installed app.
354     *
355     * @hide
356     */
357    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
358
359    /**
360     * Flag parameter for
361     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
362     * that you don't want to kill the app containing the component.  Be careful when you set this
363     * since changing component states can make the containing application's behavior unpredictable.
364     */
365    public static final int DONT_KILL_APP = 0x00000001;
366
367    /**
368     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
369     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
370     * @hide
371     */
372    public static final int INSTALL_SUCCEEDED = 1;
373
374    /**
375     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
376     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
377     * already installed.
378     * @hide
379     */
380    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
381
382    /**
383     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
384     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
385     * file is invalid.
386     * @hide
387     */
388    public static final int INSTALL_FAILED_INVALID_APK = -2;
389
390    /**
391     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
392     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
393     * is invalid.
394     * @hide
395     */
396    public static final int INSTALL_FAILED_INVALID_URI = -3;
397
398    /**
399     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
400     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
401     * service found that the device didn't have enough storage space to install the app.
402     * @hide
403     */
404    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
405
406    /**
407     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
408     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
409     * package is already installed with the same name.
410     * @hide
411     */
412    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
413
414    /**
415     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
416     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
417     * the requested shared user does not exist.
418     * @hide
419     */
420    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
421
422    /**
423     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
424     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
425     * a previously installed package of the same name has a different signature
426     * than the new package (and the old package's data was not removed).
427     * @hide
428     */
429    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
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 is requested a shared user which is already installed on the
435     * device and does not have matching signature.
436     * @hide
437     */
438    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
439
440    /**
441     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
442     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
443     * the new package uses a shared library that is not available.
444     * @hide
445     */
446    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
447
448    /**
449     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
450     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
451     * the new package uses a shared library that is not available.
452     * @hide
453     */
454    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
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 while optimizing and validating its dex files,
460     * either because there was not enough storage or the validation failed.
461     * @hide
462     */
463    public static final int INSTALL_FAILED_DEXOPT = -11;
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 the current SDK version is older than
469     * that required by the package.
470     * @hide
471     */
472    public static final int INSTALL_FAILED_OLDER_SDK = -12;
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 it contains a content provider with the
478     * same authority as a provider already installed in the system.
479     * @hide
480     */
481    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
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 the current SDK version is newer than
487     * that required by the package.
488     * @hide
489     */
490    public static final int INSTALL_FAILED_NEWER_SDK = -14;
491
492    /**
493     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
494     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
495     * the new package failed because it has specified that it is a test-only
496     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
497     * flag.
498     * @hide
499     */
500    public static final int INSTALL_FAILED_TEST_ONLY = -15;
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 package being installed contains native code, but none that is
506     * compatible with the the device's CPU_ABI.
507     * @hide
508     */
509    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
510
511    /**
512     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
513     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
514     * the new package uses a feature that is not available.
515     * @hide
516     */
517    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
518
519    // ------ Errors related to sdcard
520    /**
521     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
522     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
523     * a secure container mount point couldn't be accessed on external media.
524     * @hide
525     */
526    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
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.
533     * @hide
534     */
535    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
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 in the specified install
541     * location because the media is not available.
542     * @hide
543     */
544    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
545
546    /**
547     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
548     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
549     * the new package couldn't be installed because the verification timed out.
550     * @hide
551     */
552    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
553
554    /**
555     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
556     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
557     * the new package couldn't be installed because the verification did not succeed.
558     * @hide
559     */
560    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
561
562    /**
563     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
564     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
565     * the package changed from what the calling program expected.
566     * @hide
567     */
568    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
569
570    /**
571     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
572     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
573     * the new package is assigned a different UID than it previously held.
574     * @hide
575     */
576    public static final int INSTALL_FAILED_UID_CHANGED = -24;
577
578    /**
579     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
580     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
581     * the new package has an older version code than the currently installed package.
582     * @hide
583     */
584    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
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 given a path that is not a file, or does not end with the expected
590     * '.apk' extension.
591     * @hide
592     */
593    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
594
595    /**
596     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
597     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
598     * if the parser was unable to retrieve the AndroidManifest.xml file.
599     * @hide
600     */
601    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
602
603    /**
604     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
605     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
606     * if the parser encountered an unexpected exception.
607     * @hide
608     */
609    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
610
611    /**
612     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
613     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
614     * if the parser did not find any certificates in the .apk.
615     * @hide
616     */
617    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
618
619    /**
620     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
621     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
622     * if the parser found inconsistent certificates on the files in the .apk.
623     * @hide
624     */
625    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
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 CertificateEncodingException in one of the
631     * files in the .apk.
632     * @hide
633     */
634    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
635
636    /**
637     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
638     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
639     * if the parser encountered a bad or missing package name in the manifest.
640     * @hide
641     */
642    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
643
644    /**
645     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
646     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
647     * if the parser encountered a bad shared user id name in the manifest.
648     * @hide
649     */
650    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
651
652    /**
653     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
654     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
655     * if the parser encountered some structural problem in the manifest.
656     * @hide
657     */
658    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
659
660    /**
661     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
662     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
663     * if the parser did not find any actionable tags (instrumentation or application)
664     * in the manifest.
665     * @hide
666     */
667    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
668
669    /**
670     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
671     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
672     * if the system failed to install the package because of system issues.
673     * @hide
674     */
675    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
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 the user is restricted from installing
681     * apps.
682     * @hide
683     */
684    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
685
686    /**
687     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
688     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
689     * if the system failed to install the package because it is attempting to define a
690     * permission that is already defined by some existing package.
691     *
692     * <p>The package name of the app which has already defined the permission is passed to
693     * a {@link IPackageInstallObserver2}, if any, as the {@link #EXTRA_EXISTING_PACKAGE}
694     * string extra; and the name of the permission being redefined is passed in the
695     * {@link #EXTRA_EXISTING_PERMISSION} string extra.
696     * @hide
697     */
698    public static final int INSTALL_FAILED_DUPLICATE_PERMISSION = -112;
699
700    /**
701     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
702     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
703     * if the system failed to install the package because its packaged native code did not
704     * match any of the ABIs supported by the system.
705     *
706     * @hide
707     */
708    public static final int INSTALL_FAILED_NO_MATCHING_ABIS = -113;
709
710    /**
711     * Internal return code for NativeLibraryHelper methods to indicate that the package
712     * being processed did not contain any native code. This is placed here only so that
713     * it can belong to the same value space as the other install failure codes.
714     *
715     * @hide
716     */
717    public static final int NO_NATIVE_LIBRARIES = -114;
718
719    /**
720     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
721     * package's data directory.
722     *
723     * @hide
724     */
725    public static final int DELETE_KEEP_DATA = 0x00000001;
726
727    /**
728     * Flag parameter for {@link #deletePackage} to indicate that you want the
729     * package deleted for all users.
730     *
731     * @hide
732     */
733    public static final int DELETE_ALL_USERS = 0x00000002;
734
735    /**
736     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
737     * uninstall on a system that has been updated, then don't do the normal process
738     * of uninstalling the update and rolling back to the older system version (which
739     * needs to happen for all users); instead, just mark the app as uninstalled for
740     * the current user.
741     *
742     * @hide
743     */
744    public static final int DELETE_SYSTEM_APP = 0x00000004;
745
746    /**
747     * Return code for when package deletion succeeds. This is passed to the
748     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
749     * succeeded in deleting the package.
750     *
751     * @hide
752     */
753    public static final int DELETE_SUCCEEDED = 1;
754
755    /**
756     * Deletion failed return code: this is passed to the
757     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
758     * failed to delete the package for an unspecified reason.
759     *
760     * @hide
761     */
762    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
763
764    /**
765     * Deletion failed return code: this is passed to the
766     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
767     * failed to delete the package because it is the active DevicePolicy
768     * manager.
769     *
770     * @hide
771     */
772    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
773
774    /**
775     * Deletion failed return code: this is passed to the
776     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
777     * failed to delete the package since the user is restricted.
778     *
779     * @hide
780     */
781    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
782
783    /**
784     * Return code that is passed to the {@link IPackageMoveObserver} by
785     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
786     * package has been successfully moved by the system.
787     *
788     * @hide
789     */
790    public static final int MOVE_SUCCEEDED = 1;
791    /**
792     * Error code that is passed to the {@link IPackageMoveObserver} by
793     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
794     * when the package hasn't been successfully moved by the system
795     * because of insufficient memory on specified media.
796     * @hide
797     */
798    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
799
800    /**
801     * Error code that is passed to the {@link IPackageMoveObserver} by
802     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
803     * if the specified package doesn't exist.
804     * @hide
805     */
806    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
807
808    /**
809     * Error code that is passed to the {@link IPackageMoveObserver} by
810     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
811     * if the specified package cannot be moved since its a system package.
812     * @hide
813     */
814    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
815
816    /**
817     * Error code that is passed to the {@link IPackageMoveObserver} by
818     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
819     * if the specified package cannot be moved since its forward locked.
820     * @hide
821     */
822    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
823
824    /**
825     * Error code that is passed to the {@link IPackageMoveObserver} by
826     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
827     * if the specified package cannot be moved to the specified location.
828     * @hide
829     */
830    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
831
832    /**
833     * Error code that is passed to the {@link IPackageMoveObserver} by
834     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
835     * if the specified package cannot be moved to the specified location.
836     * @hide
837     */
838    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
839
840    /**
841     * Error code that is passed to the {@link IPackageMoveObserver} by
842     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
843     * specified package already has an operation pending in the
844     * {@link PackageHandler} queue.
845     *
846     * @hide
847     */
848    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
849
850    /**
851     * Flag parameter for {@link #movePackage} to indicate that
852     * the package should be moved to internal storage if its
853     * been installed on external media.
854     * @hide
855     */
856    public static final int MOVE_INTERNAL = 0x00000001;
857
858    /**
859     * Flag parameter for {@link #movePackage} to indicate that
860     * the package should be moved to external media.
861     * @hide
862     */
863    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
864
865    /**
866     * Usable by the required verifier as the {@code verificationCode} argument
867     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
868     * allow the installation to proceed without any of the optional verifiers
869     * needing to vote.
870     *
871     * @hide
872     */
873    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
874
875    /**
876     * Used as the {@code verificationCode} argument for
877     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
878     * package verifier allows the installation to proceed.
879     */
880    public static final int VERIFICATION_ALLOW = 1;
881
882    /**
883     * Used as the {@code verificationCode} argument for
884     * {@link PackageManager#verifyPendingInstall} to indicate the calling
885     * package verifier does not vote to allow the installation to proceed.
886     */
887    public static final int VERIFICATION_REJECT = -1;
888
889    /**
890     * Can be used as the {@code millisecondsToDelay} argument for
891     * {@link PackageManager#extendVerificationTimeout}. This is the
892     * maximum time {@code PackageManager} waits for the verification
893     * agent to return (in milliseconds).
894     */
895    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
896
897    /**
898     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
899     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
900     * lag in sound input or output.
901     */
902    @SdkConstant(SdkConstantType.FEATURE)
903    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
904
905    /**
906     * Feature for {@link #getSystemAvailableFeatures} and
907     * {@link #hasSystemFeature}: The device is capable of communicating with
908     * other devices via Bluetooth.
909     */
910    @SdkConstant(SdkConstantType.FEATURE)
911    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
912
913    /**
914     * Feature for {@link #getSystemAvailableFeatures} and
915     * {@link #hasSystemFeature}: The device is capable of communicating with
916     * other devices via Bluetooth Low Energy radio.
917     */
918    @SdkConstant(SdkConstantType.FEATURE)
919    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
920
921    /**
922     * Feature for {@link #getSystemAvailableFeatures} and
923     * {@link #hasSystemFeature}: The device has a camera facing away
924     * from the screen.
925     */
926    @SdkConstant(SdkConstantType.FEATURE)
927    public static final String FEATURE_CAMERA = "android.hardware.camera";
928
929    /**
930     * Feature for {@link #getSystemAvailableFeatures} and
931     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
932     */
933    @SdkConstant(SdkConstantType.FEATURE)
934    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
935
936    /**
937     * Feature for {@link #getSystemAvailableFeatures} and
938     * {@link #hasSystemFeature}: The device has at least one camera pointing in
939     * some direction.
940     */
941    @SdkConstant(SdkConstantType.FEATURE)
942    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
943
944    /**
945     * Feature for {@link #getSystemAvailableFeatures} and
946     * {@link #hasSystemFeature}: The device's camera supports flash.
947     */
948    @SdkConstant(SdkConstantType.FEATURE)
949    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
950
951    /**
952     * Feature for {@link #getSystemAvailableFeatures} and
953     * {@link #hasSystemFeature}: The device has a front facing camera.
954     */
955    @SdkConstant(SdkConstantType.FEATURE)
956    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
957
958    /**
959     * Feature for {@link #getSystemAvailableFeatures} and
960     * {@link #hasSystemFeature}: The device is capable of communicating with
961     * consumer IR devices.
962     */
963    @SdkConstant(SdkConstantType.FEATURE)
964    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
965
966    /**
967     * Feature for {@link #getSystemAvailableFeatures} and
968     * {@link #hasSystemFeature}: The device supports one or more methods of
969     * reporting current location.
970     */
971    @SdkConstant(SdkConstantType.FEATURE)
972    public static final String FEATURE_LOCATION = "android.hardware.location";
973
974    /**
975     * Feature for {@link #getSystemAvailableFeatures} and
976     * {@link #hasSystemFeature}: The device has a Global Positioning System
977     * receiver and can report precise location.
978     */
979    @SdkConstant(SdkConstantType.FEATURE)
980    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
981
982    /**
983     * Feature for {@link #getSystemAvailableFeatures} and
984     * {@link #hasSystemFeature}: The device can report location with coarse
985     * accuracy using a network-based geolocation system.
986     */
987    @SdkConstant(SdkConstantType.FEATURE)
988    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
989
990    /**
991     * Feature for {@link #getSystemAvailableFeatures} and
992     * {@link #hasSystemFeature}: The device can record audio via a
993     * microphone.
994     */
995    @SdkConstant(SdkConstantType.FEATURE)
996    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
997
998    /**
999     * Feature for {@link #getSystemAvailableFeatures} and
1000     * {@link #hasSystemFeature}: The device can communicate using Near-Field
1001     * Communications (NFC).
1002     */
1003    @SdkConstant(SdkConstantType.FEATURE)
1004    public static final String FEATURE_NFC = "android.hardware.nfc";
1005
1006    /**
1007     * Feature for {@link #getSystemAvailableFeatures} and
1008     * {@link #hasSystemFeature}: The device supports host-
1009     * based NFC card emulation.
1010     *
1011     * TODO remove when depending apps have moved to new constant.
1012     * @hide
1013     * @deprecated
1014     */
1015    @Deprecated
1016    @SdkConstant(SdkConstantType.FEATURE)
1017    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
1018
1019    /**
1020     * Feature for {@link #getSystemAvailableFeatures} and
1021     * {@link #hasSystemFeature}: The device supports host-
1022     * based NFC card emulation.
1023     */
1024    @SdkConstant(SdkConstantType.FEATURE)
1025    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
1026
1027    /**
1028     * Feature for {@link #getSystemAvailableFeatures} and
1029     * {@link #hasSystemFeature}: The device includes an accelerometer.
1030     */
1031    @SdkConstant(SdkConstantType.FEATURE)
1032    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
1033
1034    /**
1035     * Feature for {@link #getSystemAvailableFeatures} and
1036     * {@link #hasSystemFeature}: The device includes a barometer (air
1037     * pressure sensor.)
1038     */
1039    @SdkConstant(SdkConstantType.FEATURE)
1040    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1041
1042    /**
1043     * Feature for {@link #getSystemAvailableFeatures} and
1044     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1045     */
1046    @SdkConstant(SdkConstantType.FEATURE)
1047    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1048
1049    /**
1050     * Feature for {@link #getSystemAvailableFeatures} and
1051     * {@link #hasSystemFeature}: The device includes a gyroscope.
1052     */
1053    @SdkConstant(SdkConstantType.FEATURE)
1054    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1055
1056    /**
1057     * Feature for {@link #getSystemAvailableFeatures} and
1058     * {@link #hasSystemFeature}: The device includes a light sensor.
1059     */
1060    @SdkConstant(SdkConstantType.FEATURE)
1061    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1062
1063    /**
1064     * Feature for {@link #getSystemAvailableFeatures} and
1065     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1066     */
1067    @SdkConstant(SdkConstantType.FEATURE)
1068    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1069
1070    /**
1071     * Feature for {@link #getSystemAvailableFeatures} and
1072     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1073     */
1074    @SdkConstant(SdkConstantType.FEATURE)
1075    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1076
1077    /**
1078     * Feature for {@link #getSystemAvailableFeatures} and
1079     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1080     */
1081    @SdkConstant(SdkConstantType.FEATURE)
1082    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1083
1084    /**
1085     * Feature for {@link #getSystemAvailableFeatures} and
1086     * {@link #hasSystemFeature}: The device has a telephony radio with data
1087     * communication support.
1088     */
1089    @SdkConstant(SdkConstantType.FEATURE)
1090    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1091
1092    /**
1093     * Feature for {@link #getSystemAvailableFeatures} and
1094     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1095     */
1096    @SdkConstant(SdkConstantType.FEATURE)
1097    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1098
1099    /**
1100     * Feature for {@link #getSystemAvailableFeatures} and
1101     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1102     */
1103    @SdkConstant(SdkConstantType.FEATURE)
1104    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1105
1106    /**
1107     * Feature for {@link #getSystemAvailableFeatures} and
1108     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1109     * as the USB host.
1110     */
1111    @SdkConstant(SdkConstantType.FEATURE)
1112    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1113
1114    /**
1115     * Feature for {@link #getSystemAvailableFeatures} and
1116     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1117     */
1118    @SdkConstant(SdkConstantType.FEATURE)
1119    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1120
1121    /**
1122     * Feature for {@link #getSystemAvailableFeatures} and
1123     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1124     */
1125    @SdkConstant(SdkConstantType.FEATURE)
1126    public static final String FEATURE_SIP = "android.software.sip";
1127
1128    /**
1129     * Feature for {@link #getSystemAvailableFeatures} and
1130     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1131     */
1132    @SdkConstant(SdkConstantType.FEATURE)
1133    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1134
1135    /**
1136     * Feature for {@link #getSystemAvailableFeatures} and
1137     * {@link #hasSystemFeature}: The device's display has a touch screen.
1138     */
1139    @SdkConstant(SdkConstantType.FEATURE)
1140    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1141
1142
1143    /**
1144     * Feature for {@link #getSystemAvailableFeatures} and
1145     * {@link #hasSystemFeature}: The device's touch screen supports
1146     * multitouch sufficient for basic two-finger gesture detection.
1147     */
1148    @SdkConstant(SdkConstantType.FEATURE)
1149    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1150
1151    /**
1152     * Feature for {@link #getSystemAvailableFeatures} and
1153     * {@link #hasSystemFeature}: The device's touch screen is capable of
1154     * tracking two or more fingers fully independently.
1155     */
1156    @SdkConstant(SdkConstantType.FEATURE)
1157    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1158
1159    /**
1160     * Feature for {@link #getSystemAvailableFeatures} and
1161     * {@link #hasSystemFeature}: The device's touch screen is capable of
1162     * tracking a full hand of fingers fully independently -- that is, 5 or
1163     * more simultaneous independent pointers.
1164     */
1165    @SdkConstant(SdkConstantType.FEATURE)
1166    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1167
1168    /**
1169     * Feature for {@link #getSystemAvailableFeatures} and
1170     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1171     * does support touch emulation for basic events. For instance, the
1172     * device might use a mouse or remote control to drive a cursor, and
1173     * emulate basic touch pointer events like down, up, drag, etc. All
1174     * devices that support android.hardware.touchscreen or a sub-feature are
1175     * presumed to also support faketouch.
1176     */
1177    @SdkConstant(SdkConstantType.FEATURE)
1178    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1179
1180    /**
1181     * Feature for {@link #getSystemAvailableFeatures} and
1182     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1183     * does support touch emulation for basic events that supports distinct
1184     * tracking of two or more fingers.  This is an extension of
1185     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1186     * that unlike a distinct multitouch screen as defined by
1187     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1188     * devices will not actually provide full two-finger gestures since the
1189     * input is being transformed to cursor movement on the screen.  That is,
1190     * single finger gestures will move a cursor; two-finger swipes will
1191     * result in single-finger touch events; other two-finger gestures will
1192     * result in the corresponding two-finger touch event.
1193     */
1194    @SdkConstant(SdkConstantType.FEATURE)
1195    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1196
1197    /**
1198     * Feature for {@link #getSystemAvailableFeatures} and
1199     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1200     * does support touch emulation for basic events that supports tracking
1201     * a hand of fingers (5 or more fingers) fully independently.
1202     * This is an extension of
1203     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1204     * that unlike a multitouch screen as defined by
1205     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1206     * gestures can be detected due to the limitations described for
1207     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1208     */
1209    @SdkConstant(SdkConstantType.FEATURE)
1210    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1211
1212    /**
1213     * Feature for {@link #getSystemAvailableFeatures} and
1214     * {@link #hasSystemFeature}: The device supports portrait orientation
1215     * screens.  For backwards compatibility, you can assume that if neither
1216     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1217     * both portrait and landscape.
1218     */
1219    @SdkConstant(SdkConstantType.FEATURE)
1220    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1221
1222    /**
1223     * Feature for {@link #getSystemAvailableFeatures} and
1224     * {@link #hasSystemFeature}: The device supports landscape orientation
1225     * screens.  For backwards compatibility, you can assume that if neither
1226     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1227     * both portrait and landscape.
1228     */
1229    @SdkConstant(SdkConstantType.FEATURE)
1230    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1231
1232    /**
1233     * Feature for {@link #getSystemAvailableFeatures} and
1234     * {@link #hasSystemFeature}: The device supports live wallpapers.
1235     */
1236    @SdkConstant(SdkConstantType.FEATURE)
1237    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1238
1239    /**
1240     * Feature for {@link #getSystemAvailableFeatures} and
1241     * {@link #hasSystemFeature}: The device supports app widgets.
1242     */
1243    @SdkConstant(SdkConstantType.FEATURE)
1244    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1245
1246    /**
1247     * Feature for {@link #getSystemAvailableFeatures} and
1248     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1249     * by third party applications.
1250     */
1251    @SdkConstant(SdkConstantType.FEATURE)
1252    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1253
1254    /**
1255     * Feature for {@link #getSystemAvailableFeatures} and
1256     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1257     * with the {@link android.inputmethodservice.InputMethodService} API.
1258     */
1259    @SdkConstant(SdkConstantType.FEATURE)
1260    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1261
1262    /**
1263     * Feature for {@link #getSystemAvailableFeatures} and
1264     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1265     */
1266    @SdkConstant(SdkConstantType.FEATURE)
1267    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1268
1269    /**
1270     * Feature for {@link #getSystemAvailableFeatures} and
1271     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1272     * typically used in a living room television experience, but is a software
1273     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1274     * feature will use resources associated with the "television" UI mode.
1275     */
1276    @SdkConstant(SdkConstantType.FEATURE)
1277    public static final String FEATURE_LEANBACK = "android.software.leanback";
1278
1279    /**
1280     * Feature for {@link #getSystemAvailableFeatures} and
1281     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1282     * applications designed for this experience should be run, though this is
1283     * not enforced by the system.
1284     * @hide
1285     */
1286    @SdkConstant(SdkConstantType.FEATURE)
1287    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1288
1289    /**
1290     * Feature for {@link #getSystemAvailableFeatures} and
1291     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1292     */
1293    @SdkConstant(SdkConstantType.FEATURE)
1294    public static final String FEATURE_WIFI = "android.hardware.wifi";
1295
1296    /**
1297     * Feature for {@link #getSystemAvailableFeatures} and
1298     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1299     */
1300    @SdkConstant(SdkConstantType.FEATURE)
1301    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1302
1303    /**
1304     * Feature for {@link #getSystemAvailableFeatures} and
1305     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1306     * on a television.  Television here is defined to be a typical living
1307     * room television experience: displayed on a big screen, where the user
1308     * is sitting far away from it, and the dominant form of input will be
1309     * something like a DPAD, not through touch or mouse.
1310     * @deprecated use {@link #FEATURE_LEANBACK} instead.
1311     */
1312    @Deprecated
1313    @SdkConstant(SdkConstantType.FEATURE)
1314    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1315
1316    /**
1317     * Feature for {@link #getSystemAvailableFeatures} and
1318     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1319     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1320     * the wrist. The user is very close when interacting with the device.
1321     */
1322    @SdkConstant(SdkConstantType.FEATURE)
1323    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1324
1325    /**
1326     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1327     * The device supports printing.
1328     */
1329    @SdkConstant(SdkConstantType.FEATURE)
1330    public static final String FEATURE_PRINTING = "android.software.print";
1331
1332    /**
1333     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1334     * The device can perform backup and restore operations on installed applications.
1335     */
1336    @SdkConstant(SdkConstantType.FEATURE)
1337    public static final String FEATURE_BACKUP = "android.software.backup";
1338
1339    /**
1340     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1341     * The device supports managed profiles for enterprise users.
1342     */
1343    @SdkConstant(SdkConstantType.FEATURE)
1344    public static final String FEATURE_MANAGEDPROFILES = "android.software.managedprofiles";
1345
1346    /**
1347     * Action to external storage service to clean out removed apps.
1348     * @hide
1349     */
1350    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1351            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1352
1353    /**
1354     * Extra field name for the URI to a verification file. Passed to a package
1355     * verifier.
1356     *
1357     * @hide
1358     */
1359    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1360
1361    /**
1362     * Extra field name for the ID of a package pending verification. Passed to
1363     * a package verifier and is used to call back to
1364     * {@link PackageManager#verifyPendingInstall(int, int)}
1365     */
1366    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1367
1368    /**
1369     * Extra field name for the package identifier which is trying to install
1370     * the package.
1371     *
1372     * @hide
1373     */
1374    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1375            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1376
1377    /**
1378     * Extra field name for the requested install flags for a package pending
1379     * verification. Passed to a package verifier.
1380     *
1381     * @hide
1382     */
1383    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1384            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1385
1386    /**
1387     * Extra field name for the uid of who is requesting to install
1388     * the package.
1389     *
1390     * @hide
1391     */
1392    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1393            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1394
1395    /**
1396     * Extra field name for the package name of a package pending verification.
1397     *
1398     * @hide
1399     */
1400    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1401            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1402    /**
1403     * Extra field name for the result of a verification, either
1404     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1405     * Passed to package verifiers after a package is verified.
1406     */
1407    public static final String EXTRA_VERIFICATION_RESULT
1408            = "android.content.pm.extra.VERIFICATION_RESULT";
1409
1410    /**
1411     * Extra field name for the version code of a package pending verification.
1412     *
1413     * @hide
1414     */
1415    public static final String EXTRA_VERIFICATION_VERSION_CODE
1416            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1417
1418    /**
1419     * The action used to request that the user approve a permission request
1420     * from the application.
1421     *
1422     * @hide
1423     */
1424    public static final String ACTION_REQUEST_PERMISSION
1425            = "android.content.pm.action.REQUEST_PERMISSION";
1426
1427    /**
1428     * Extra field name for the list of permissions, which the user must approve.
1429     *
1430     * @hide
1431     */
1432    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1433            = "android.content.pm.extra.PERMISSION_LIST";
1434
1435    /**
1436     * String extra for {@link IPackageInstallObserver2} in the 'extras' Bundle in case of
1437     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the package which provides
1438     * the existing definition for the permission.
1439     * @hide
1440     */
1441    public static final String EXTRA_FAILURE_EXISTING_PACKAGE
1442            = "android.content.pm.extra.FAILURE_EXISTING_PACKAGE";
1443
1444    /**
1445     * String extra for {@link IPackageInstallObserver2} in the 'extras' Bundle in case of
1446     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the permission that is
1447     * being redundantly defined by the package being installed.
1448     * @hide
1449     */
1450    public static final String EXTRA_FAILURE_EXISTING_PERMISSION
1451            = "android.content.pm.extra.FAILURE_EXISTING_PERMISSION";
1452
1453    /**
1454     * Retrieve overall information about an application package that is
1455     * installed on the system.
1456     * <p>
1457     * Throws {@link NameNotFoundException} if a package with the given name can
1458     * not be found on the system.
1459     *
1460     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1461     *            desired package.
1462     * @param flags Additional option flags. Use any combination of
1463     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1464     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1465     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1466     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1467     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1468     *            modify the data returned.
1469     * @return Returns a PackageInfo object containing information about the
1470     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1471     *         package is not found in the list of installed applications, the
1472     *         package information is retrieved from the list of uninstalled
1473     *         applications (which includes installed applications as well as
1474     *         applications with data directory i.e. applications which had been
1475     *         deleted with {@code DONT_DELETE_DATA} flag set).
1476     * @see #GET_ACTIVITIES
1477     * @see #GET_GIDS
1478     * @see #GET_CONFIGURATIONS
1479     * @see #GET_INSTRUMENTATION
1480     * @see #GET_PERMISSIONS
1481     * @see #GET_PROVIDERS
1482     * @see #GET_RECEIVERS
1483     * @see #GET_SERVICES
1484     * @see #GET_SIGNATURES
1485     * @see #GET_UNINSTALLED_PACKAGES
1486     */
1487    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1488            throws NameNotFoundException;
1489
1490    /**
1491     * Map from the current package names in use on the device to whatever
1492     * the current canonical name of that package is.
1493     * @param names Array of current names to be mapped.
1494     * @return Returns an array of the same size as the original, containing
1495     * the canonical name for each package.
1496     */
1497    public abstract String[] currentToCanonicalPackageNames(String[] names);
1498
1499    /**
1500     * Map from a packages canonical name to the current name in use on the device.
1501     * @param names Array of new names to be mapped.
1502     * @return Returns an array of the same size as the original, containing
1503     * the current name for each package.
1504     */
1505    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1506
1507    /**
1508     * Return a "good" intent to launch a front-door activity in a package,
1509     * for use for example to implement an "open" button when browsing through
1510     * packages.  The current implementation will look first for a main
1511     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1512     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1513     * null if neither are found.
1514     *
1515     * <p>Throws {@link NameNotFoundException} if a package with the given
1516     * name cannot be found on the system.
1517     *
1518     * @param packageName The name of the package to inspect.
1519     *
1520     * @return Returns either a fully-qualified Intent that can be used to
1521     * launch the main activity in the package, or null if the package does
1522     * not contain such an activity.
1523     */
1524    public abstract Intent getLaunchIntentForPackage(String packageName);
1525
1526    /**
1527     * Return a "good" intent to launch a front-door Leanback activity in a
1528     * package, for use for example to implement an "open" button when browsing
1529     * through packages. The current implementation will look for a main
1530     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
1531     * return null if no main leanback activities are found.
1532     * <p>
1533     * Throws {@link NameNotFoundException} if a package with the given name
1534     * cannot be found on the system.
1535     *
1536     * @param packageName The name of the package to inspect.
1537     * @return Returns either a fully-qualified Intent that can be used to launch
1538     *         the main Leanback activity in the package, or null if the package
1539     *         does not contain such an activity.
1540     */
1541    public abstract Intent getLeanbackLaunchIntentForPackage(String packageName);
1542
1543    /**
1544     * Return an array of all of the secondary group-ids that have been assigned
1545     * to a package.
1546     * <p>
1547     * Throws {@link NameNotFoundException} if a package with the given name
1548     * cannot be found on the system.
1549     *
1550     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1551     *            desired package.
1552     * @return Returns an int array of the assigned gids, or null if there are
1553     *         none.
1554     */
1555    public abstract int[] getPackageGids(String packageName)
1556            throws NameNotFoundException;
1557
1558    /**
1559     * @hide Return the uid associated with the given package name for the
1560     * given user.
1561     *
1562     * <p>Throws {@link NameNotFoundException} if a package with the given
1563     * name can not be found on the system.
1564     *
1565     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1566     *                    desired package.
1567     * @param userHandle The user handle identifier to look up the package under.
1568     *
1569     * @return Returns an integer uid who owns the given package name.
1570     */
1571    public abstract int getPackageUid(String packageName, int userHandle)
1572            throws NameNotFoundException;
1573
1574    /**
1575     * Retrieve all of the information we know about a particular permission.
1576     *
1577     * <p>Throws {@link NameNotFoundException} if a permission with the given
1578     * name cannot be found on the system.
1579     *
1580     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1581     *             of the permission you are interested in.
1582     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1583     * retrieve any meta-data associated with the permission.
1584     *
1585     * @return Returns a {@link PermissionInfo} containing information about the
1586     *         permission.
1587     */
1588    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1589            throws NameNotFoundException;
1590
1591    /**
1592     * Query for all of the permissions associated with a particular group.
1593     *
1594     * <p>Throws {@link NameNotFoundException} if the given group does not
1595     * exist.
1596     *
1597     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1598     *             of the permission group you are interested in.  Use null to
1599     *             find all of the permissions not associated with a group.
1600     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1601     * retrieve any meta-data associated with the permissions.
1602     *
1603     * @return Returns a list of {@link PermissionInfo} containing information
1604     * about all of the permissions in the given group.
1605     */
1606    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1607            int flags) throws NameNotFoundException;
1608
1609    /**
1610     * Retrieve all of the information we know about a particular group of
1611     * permissions.
1612     *
1613     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1614     * name cannot be found on the system.
1615     *
1616     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1617     *             of the permission you are interested in.
1618     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1619     * retrieve any meta-data associated with the permission group.
1620     *
1621     * @return Returns a {@link PermissionGroupInfo} containing information
1622     * about the permission.
1623     */
1624    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1625            int flags) throws NameNotFoundException;
1626
1627    /**
1628     * Retrieve all of the known permission groups in the system.
1629     *
1630     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1631     * retrieve any meta-data associated with the permission group.
1632     *
1633     * @return Returns a list of {@link PermissionGroupInfo} containing
1634     * information about all of the known permission groups.
1635     */
1636    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1637
1638    /**
1639     * Retrieve all of the information we know about a particular
1640     * package/application.
1641     *
1642     * <p>Throws {@link NameNotFoundException} if an application with the given
1643     * package name cannot be found on the system.
1644     *
1645     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1646     *                    application.
1647     * @param flags Additional option flags. Use any combination of
1648     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1649     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1650     *
1651     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1652     *         information about the package.
1653     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1654     *         found in the list of installed applications,
1655     *         the application information is retrieved from the
1656     *         list of uninstalled applications(which includes
1657     *         installed applications as well as applications
1658     *         with data directory ie applications which had been
1659     *         deleted with {@code DONT_DELETE_DATA} flag set).
1660     *
1661     * @see #GET_META_DATA
1662     * @see #GET_SHARED_LIBRARY_FILES
1663     * @see #GET_UNINSTALLED_PACKAGES
1664     */
1665    public abstract ApplicationInfo getApplicationInfo(String packageName,
1666            int flags) throws NameNotFoundException;
1667
1668    /**
1669     * Retrieve all of the information we know about a particular activity
1670     * class.
1671     *
1672     * <p>Throws {@link NameNotFoundException} if an activity with the given
1673     * class name cannot be found on the system.
1674     *
1675     * @param component The full component name (i.e.
1676     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1677     * class.
1678     * @param flags Additional option flags. Use any combination of
1679     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1680     * to modify the data (in ApplicationInfo) returned.
1681     *
1682     * @return {@link ActivityInfo} containing information about the activity.
1683     *
1684     * @see #GET_INTENT_FILTERS
1685     * @see #GET_META_DATA
1686     * @see #GET_SHARED_LIBRARY_FILES
1687     */
1688    public abstract ActivityInfo getActivityInfo(ComponentName component,
1689            int flags) throws NameNotFoundException;
1690
1691    /**
1692     * Retrieve all of the information we know about a particular receiver
1693     * class.
1694     *
1695     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1696     * class name cannot be found on the system.
1697     *
1698     * @param component The full component name (i.e.
1699     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1700     * class.
1701     * @param flags Additional option flags.  Use any combination of
1702     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1703     * to modify the data returned.
1704     *
1705     * @return {@link ActivityInfo} containing information about the receiver.
1706     *
1707     * @see #GET_INTENT_FILTERS
1708     * @see #GET_META_DATA
1709     * @see #GET_SHARED_LIBRARY_FILES
1710     */
1711    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1712            int flags) throws NameNotFoundException;
1713
1714    /**
1715     * Retrieve all of the information we know about a particular service
1716     * class.
1717     *
1718     * <p>Throws {@link NameNotFoundException} if a service with the given
1719     * class name cannot be found on the system.
1720     *
1721     * @param component The full component name (i.e.
1722     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1723     * class.
1724     * @param flags Additional option flags.  Use any combination of
1725     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1726     * to modify the data returned.
1727     *
1728     * @return ServiceInfo containing information about the service.
1729     *
1730     * @see #GET_META_DATA
1731     * @see #GET_SHARED_LIBRARY_FILES
1732     */
1733    public abstract ServiceInfo getServiceInfo(ComponentName component,
1734            int flags) throws NameNotFoundException;
1735
1736    /**
1737     * Retrieve all of the information we know about a particular content
1738     * provider class.
1739     *
1740     * <p>Throws {@link NameNotFoundException} if a provider with the given
1741     * class name cannot be found on the system.
1742     *
1743     * @param component The full component name (i.e.
1744     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1745     * ContentProvider class.
1746     * @param flags Additional option flags.  Use any combination of
1747     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1748     * to modify the data returned.
1749     *
1750     * @return ProviderInfo containing information about the service.
1751     *
1752     * @see #GET_META_DATA
1753     * @see #GET_SHARED_LIBRARY_FILES
1754     */
1755    public abstract ProviderInfo getProviderInfo(ComponentName component,
1756            int flags) throws NameNotFoundException;
1757
1758    /**
1759     * Return a List of all packages that are installed
1760     * on the device.
1761     *
1762     * @param flags Additional option flags. Use any combination of
1763     * {@link #GET_ACTIVITIES},
1764     * {@link #GET_GIDS},
1765     * {@link #GET_CONFIGURATIONS},
1766     * {@link #GET_INSTRUMENTATION},
1767     * {@link #GET_PERMISSIONS},
1768     * {@link #GET_PROVIDERS},
1769     * {@link #GET_RECEIVERS},
1770     * {@link #GET_SERVICES},
1771     * {@link #GET_SIGNATURES},
1772     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1773     *
1774     * @return A List of PackageInfo objects, one for each package that is
1775     *         installed on the device.  In the unlikely case of there being no
1776     *         installed packages, an empty list is returned.
1777     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1778     *         applications including those deleted with {@code DONT_DELETE_DATA}
1779     *         (partially installed apps with data directory) will be returned.
1780     *
1781     * @see #GET_ACTIVITIES
1782     * @see #GET_GIDS
1783     * @see #GET_CONFIGURATIONS
1784     * @see #GET_INSTRUMENTATION
1785     * @see #GET_PERMISSIONS
1786     * @see #GET_PROVIDERS
1787     * @see #GET_RECEIVERS
1788     * @see #GET_SERVICES
1789     * @see #GET_SIGNATURES
1790     * @see #GET_UNINSTALLED_PACKAGES
1791     */
1792    public abstract List<PackageInfo> getInstalledPackages(int flags);
1793
1794    /**
1795     * Return a List of all installed packages that are currently
1796     * holding any of the given permissions.
1797     *
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     *
1810     * @return Returns a List of PackageInfo objects, one for each installed
1811     * application that is holding any of the permissions that were provided.
1812     *
1813     * @see #GET_ACTIVITIES
1814     * @see #GET_GIDS
1815     * @see #GET_CONFIGURATIONS
1816     * @see #GET_INSTRUMENTATION
1817     * @see #GET_PERMISSIONS
1818     * @see #GET_PROVIDERS
1819     * @see #GET_RECEIVERS
1820     * @see #GET_SERVICES
1821     * @see #GET_SIGNATURES
1822     * @see #GET_UNINSTALLED_PACKAGES
1823     */
1824    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1825            String[] permissions, int flags);
1826
1827    /**
1828     * Return a List of all packages that are installed on the device, for a specific user.
1829     * Requesting a list of installed packages for another user
1830     * will require the permission INTERACT_ACROSS_USERS_FULL.
1831     * @param flags Additional option flags. Use any combination of
1832     * {@link #GET_ACTIVITIES},
1833     * {@link #GET_GIDS},
1834     * {@link #GET_CONFIGURATIONS},
1835     * {@link #GET_INSTRUMENTATION},
1836     * {@link #GET_PERMISSIONS},
1837     * {@link #GET_PROVIDERS},
1838     * {@link #GET_RECEIVERS},
1839     * {@link #GET_SERVICES},
1840     * {@link #GET_SIGNATURES},
1841     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1842     * @param userId The user for whom the installed packages are to be listed
1843     *
1844     * @return A List of PackageInfo objects, one for each package that is
1845     *         installed on the device.  In the unlikely case of there being no
1846     *         installed packages, an empty list is returned.
1847     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1848     *         applications including those deleted with {@code DONT_DELETE_DATA}
1849     *         (partially installed apps with data directory) will be returned.
1850     *
1851     * @see #GET_ACTIVITIES
1852     * @see #GET_GIDS
1853     * @see #GET_CONFIGURATIONS
1854     * @see #GET_INSTRUMENTATION
1855     * @see #GET_PERMISSIONS
1856     * @see #GET_PROVIDERS
1857     * @see #GET_RECEIVERS
1858     * @see #GET_SERVICES
1859     * @see #GET_SIGNATURES
1860     * @see #GET_UNINSTALLED_PACKAGES
1861     *
1862     * @hide
1863     */
1864    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1865
1866    /**
1867     * Check whether a particular package has been granted a particular
1868     * permission.
1869     *
1870     * @param permName The name of the permission you are checking for,
1871     * @param pkgName The name of the package you are checking against.
1872     *
1873     * @return If the package has the permission, PERMISSION_GRANTED is
1874     * returned.  If it does not have the permission, PERMISSION_DENIED
1875     * is returned.
1876     *
1877     * @see #PERMISSION_GRANTED
1878     * @see #PERMISSION_DENIED
1879     */
1880    public abstract int checkPermission(String permName, String pkgName);
1881
1882    /**
1883     * Add a new dynamic permission to the system.  For this to work, your
1884     * package must have defined a permission tree through the
1885     * {@link android.R.styleable#AndroidManifestPermissionTree
1886     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1887     * permissions to trees that were defined by either its own package or
1888     * another with the same user id; a permission is in a tree if it
1889     * matches the name of the permission tree + ".": for example,
1890     * "com.foo.bar" is a member of the permission tree "com.foo".
1891     *
1892     * <p>It is good to make your permission tree name descriptive, because you
1893     * are taking possession of that entire set of permission names.  Thus, it
1894     * must be under a domain you control, with a suffix that will not match
1895     * any normal permissions that may be declared in any applications that
1896     * are part of that domain.
1897     *
1898     * <p>New permissions must be added before
1899     * any .apks are installed that use those permissions.  Permissions you
1900     * add through this method are remembered across reboots of the device.
1901     * If the given permission already exists, the info you supply here
1902     * will be used to update it.
1903     *
1904     * @param info Description of the permission to be added.
1905     *
1906     * @return Returns true if a new permission was created, false if an
1907     * existing one was updated.
1908     *
1909     * @throws SecurityException if you are not allowed to add the
1910     * given permission name.
1911     *
1912     * @see #removePermission(String)
1913     */
1914    public abstract boolean addPermission(PermissionInfo info);
1915
1916    /**
1917     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1918     * persists the package manager state after returning from the call,
1919     * allowing it to return quicker and batch a series of adds at the
1920     * expense of no guarantee the added permission will be retained if
1921     * the device is rebooted before it is written.
1922     */
1923    public abstract boolean addPermissionAsync(PermissionInfo info);
1924
1925    /**
1926     * Removes a permission that was previously added with
1927     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1928     * -- you are only allowed to remove permissions that you are allowed
1929     * to add.
1930     *
1931     * @param name The name of the permission to remove.
1932     *
1933     * @throws SecurityException if you are not allowed to remove the
1934     * given permission name.
1935     *
1936     * @see #addPermission(PermissionInfo)
1937     */
1938    public abstract void removePermission(String name);
1939
1940    /**
1941     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1942     * which prompts the user to grant {@code permissions} to this application.
1943     * @hide
1944     *
1945     * @throws NullPointerException if {@code permissions} is {@code null}.
1946     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1947     */
1948    public Intent buildPermissionRequestIntent(String... permissions) {
1949        if (permissions == null) {
1950            throw new NullPointerException("permissions cannot be null");
1951        }
1952        for (String permission : permissions) {
1953            if (permission == null) {
1954                throw new IllegalArgumentException("permissions cannot contain null");
1955            }
1956        }
1957
1958        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1959        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1960        i.setPackage("com.android.packageinstaller");
1961        return i;
1962    }
1963
1964    /**
1965     * Grant a permission to an application which the application does not
1966     * already have.  The permission must have been requested by the application,
1967     * but as an optional permission.  If the application is not allowed to
1968     * hold the permission, a SecurityException is thrown.
1969     * @hide
1970     *
1971     * @param packageName The name of the package that the permission will be
1972     * granted to.
1973     * @param permissionName The name of the permission.
1974     */
1975    public abstract void grantPermission(String packageName, String permissionName);
1976
1977    /**
1978     * Revoke a permission that was previously granted by {@link #grantPermission}.
1979     * @hide
1980     *
1981     * @param packageName The name of the package that the permission will be
1982     * granted to.
1983     * @param permissionName The name of the permission.
1984     */
1985    public abstract void revokePermission(String packageName, String permissionName);
1986
1987    /**
1988     * Compare the signatures of two packages to determine if the same
1989     * signature appears in both of them.  If they do contain the same
1990     * signature, then they are allowed special privileges when working
1991     * with each other: they can share the same user-id, run instrumentation
1992     * against each other, etc.
1993     *
1994     * @param pkg1 First package name whose signature will be compared.
1995     * @param pkg2 Second package name whose signature will be compared.
1996     *
1997     * @return Returns an integer indicating whether all signatures on the
1998     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1999     * all signatures match or < 0 if there is not a match ({@link
2000     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2001     *
2002     * @see #checkSignatures(int, int)
2003     * @see #SIGNATURE_MATCH
2004     * @see #SIGNATURE_NO_MATCH
2005     * @see #SIGNATURE_UNKNOWN_PACKAGE
2006     */
2007    public abstract int checkSignatures(String pkg1, String pkg2);
2008
2009    /**
2010     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
2011     * the two packages to be checked.  This can be useful, for example,
2012     * when doing the check in an IPC, where the UID is the only identity
2013     * available.  It is functionally identical to determining the package
2014     * associated with the UIDs and checking their signatures.
2015     *
2016     * @param uid1 First UID whose signature will be compared.
2017     * @param uid2 Second UID whose signature will be compared.
2018     *
2019     * @return Returns an integer indicating whether all signatures on the
2020     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
2021     * all signatures match or < 0 if there is not a match ({@link
2022     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2023     *
2024     * @see #checkSignatures(String, String)
2025     * @see #SIGNATURE_MATCH
2026     * @see #SIGNATURE_NO_MATCH
2027     * @see #SIGNATURE_UNKNOWN_PACKAGE
2028     */
2029    public abstract int checkSignatures(int uid1, int uid2);
2030
2031    /**
2032     * Retrieve the names of all packages that are associated with a particular
2033     * user id.  In most cases, this will be a single package name, the package
2034     * that has been assigned that user id.  Where there are multiple packages
2035     * sharing the same user id through the "sharedUserId" mechanism, all
2036     * packages with that id will be returned.
2037     *
2038     * @param uid The user id for which you would like to retrieve the
2039     * associated packages.
2040     *
2041     * @return Returns an array of one or more packages assigned to the user
2042     * id, or null if there are no known packages with the given id.
2043     */
2044    public abstract String[] getPackagesForUid(int uid);
2045
2046    /**
2047     * Retrieve the official name associated with a user id.  This name is
2048     * guaranteed to never change, though it is possibly for the underlying
2049     * user id to be changed.  That is, if you are storing information about
2050     * user ids in persistent storage, you should use the string returned
2051     * by this function instead of the raw user-id.
2052     *
2053     * @param uid The user id for which you would like to retrieve a name.
2054     * @return Returns a unique name for the given user id, or null if the
2055     * user id is not currently assigned.
2056     */
2057    public abstract String getNameForUid(int uid);
2058
2059    /**
2060     * Return the user id associated with a shared user name. Multiple
2061     * applications can specify a shared user name in their manifest and thus
2062     * end up using a common uid. This might be used for new applications
2063     * that use an existing shared user name and need to know the uid of the
2064     * shared user.
2065     *
2066     * @param sharedUserName The shared user name whose uid is to be retrieved.
2067     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2068     * if the shared user name is not being used by any installed packages
2069     * @hide
2070     */
2071    public abstract int getUidForSharedUser(String sharedUserName)
2072            throws NameNotFoundException;
2073
2074    /**
2075     * Return a List of all application packages that are installed on the
2076     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2077     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2078     * installed apps with data directory) will be returned.
2079     *
2080     * @param flags Additional option flags. Use any combination of
2081     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2082     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2083     *
2084     * @return Returns a List of ApplicationInfo objects, one for each application that
2085     *         is installed on the device.  In the unlikely case of there being
2086     *         no installed applications, an empty list is returned.
2087     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2088     *         applications including those deleted with {@code DONT_DELETE_DATA}
2089     *         (partially installed apps with data directory) will be returned.
2090     *
2091     * @see #GET_META_DATA
2092     * @see #GET_SHARED_LIBRARY_FILES
2093     * @see #GET_UNINSTALLED_PACKAGES
2094     */
2095    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2096
2097    /**
2098     * Get a list of shared libraries that are available on the
2099     * system.
2100     *
2101     * @return An array of shared library names that are
2102     * available on the system, or null if none are installed.
2103     *
2104     */
2105    public abstract String[] getSystemSharedLibraryNames();
2106
2107    /**
2108     * Get a list of features that are available on the
2109     * system.
2110     *
2111     * @return An array of FeatureInfo classes describing the features
2112     * that are available on the system, or null if there are none(!!).
2113     */
2114    public abstract FeatureInfo[] getSystemAvailableFeatures();
2115
2116    /**
2117     * Check whether the given feature name is one of the available
2118     * features as returned by {@link #getSystemAvailableFeatures()}.
2119     *
2120     * @return Returns true if the devices supports the feature, else
2121     * false.
2122     */
2123    public abstract boolean hasSystemFeature(String name);
2124
2125    /**
2126     * Determine the best action to perform for a given Intent.  This is how
2127     * {@link Intent#resolveActivity} finds an activity if a class has not
2128     * been explicitly specified.
2129     *
2130     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2131     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2132     * only flag.  You need to do so to resolve the activity in the same way
2133     * that {@link android.content.Context#startActivity(Intent)} and
2134     * {@link android.content.Intent#resolveActivity(PackageManager)
2135     * Intent.resolveActivity(PackageManager)} do.</p>
2136     *
2137     * @param intent An intent containing all of the desired specification
2138     *               (action, data, type, category, and/or component).
2139     * @param flags Additional option flags.  The most important is
2140     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2141     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2142     *
2143     * @return Returns a ResolveInfo containing the final activity intent that
2144     *         was determined to be the best action.  Returns null if no
2145     *         matching activity was found. If multiple matching activities are
2146     *         found and there is no default set, returns a ResolveInfo
2147     *         containing something else, such as the activity resolver.
2148     *
2149     * @see #MATCH_DEFAULT_ONLY
2150     * @see #GET_INTENT_FILTERS
2151     * @see #GET_RESOLVED_FILTER
2152     */
2153    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2154
2155    /**
2156     * Determine the best action to perform for a given Intent for a given user. This
2157     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2158     * been explicitly specified.
2159     *
2160     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2161     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2162     * only flag.  You need to do so to resolve the activity in the same way
2163     * that {@link android.content.Context#startActivity(Intent)} and
2164     * {@link android.content.Intent#resolveActivity(PackageManager)
2165     * Intent.resolveActivity(PackageManager)} do.</p>
2166     *
2167     * @param intent An intent containing all of the desired specification
2168     *               (action, data, type, category, and/or component).
2169     * @param flags Additional option flags.  The most important is
2170     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2171     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2172     * @param userId The user id.
2173     *
2174     * @return Returns a ResolveInfo containing the final activity intent that
2175     *         was determined to be the best action.  Returns null if no
2176     *         matching activity was found. If multiple matching activities are
2177     *         found and there is no default set, returns a ResolveInfo
2178     *         containing something else, such as the activity resolver.
2179     *
2180     * @see #MATCH_DEFAULT_ONLY
2181     * @see #GET_INTENT_FILTERS
2182     * @see #GET_RESOLVED_FILTER
2183     *
2184     * @hide
2185     */
2186    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2187
2188    /**
2189     * Retrieve all activities that can be performed for the given intent.
2190     *
2191     * @param intent The desired intent as per resolveActivity().
2192     * @param flags Additional option flags.  The most important is
2193     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2194     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2195     *
2196     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2197     *         Activity. These are ordered from best to worst match -- that
2198     *         is, the first item in the list is what is returned by
2199     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2200     *         list is returned.
2201     *
2202     * @see #MATCH_DEFAULT_ONLY
2203     * @see #GET_INTENT_FILTERS
2204     * @see #GET_RESOLVED_FILTER
2205     */
2206    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2207            int flags);
2208
2209    /**
2210     * Retrieve all activities that can be performed for the given intent, for a specific user.
2211     *
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 from best to worst match -- that
2219     *         is, the first item in the list is what is returned by
2220     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2221     *         list is returned.
2222     *
2223     * @see #MATCH_DEFAULT_ONLY
2224     * @see #GET_INTENT_FILTERS
2225     * @see #GET_RESOLVED_FILTER
2226     * @hide
2227     */
2228    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2229            int flags, int userId);
2230
2231
2232    /**
2233     * Retrieve a set of activities that should be presented to the user as
2234     * similar options.  This is like {@link #queryIntentActivities}, except it
2235     * also allows you to supply a list of more explicit Intents that you would
2236     * like to resolve to particular options, and takes care of returning the
2237     * final ResolveInfo list in a reasonable order, with no duplicates, based
2238     * on those inputs.
2239     *
2240     * @param caller The class name of the activity that is making the
2241     *               request.  This activity will never appear in the output
2242     *               list.  Can be null.
2243     * @param specifics An array of Intents that should be resolved to the
2244     *                  first specific results.  Can be null.
2245     * @param intent The desired intent as per resolveActivity().
2246     * @param flags Additional option flags.  The most important is
2247     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2248     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2249     *
2250     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2251     *         Activity. These are ordered first by all of the intents resolved
2252     *         in <var>specifics</var> and then any additional activities that
2253     *         can handle <var>intent</var> but did not get included by one of
2254     *         the <var>specifics</var> intents.  If there are no matching
2255     *         activities, an empty list is returned.
2256     *
2257     * @see #MATCH_DEFAULT_ONLY
2258     * @see #GET_INTENT_FILTERS
2259     * @see #GET_RESOLVED_FILTER
2260     */
2261    public abstract List<ResolveInfo> queryIntentActivityOptions(
2262            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2263
2264    /**
2265     * Retrieve all receivers that can handle a broadcast of the given intent.
2266     *
2267     * @param intent The desired intent as per resolveActivity().
2268     * @param flags Additional option flags.
2269     *
2270     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2271     *         Receiver. These are ordered from first to last in priority.  If
2272     *         there are no matching receivers, an empty list is returned.
2273     *
2274     * @see #MATCH_DEFAULT_ONLY
2275     * @see #GET_INTENT_FILTERS
2276     * @see #GET_RESOLVED_FILTER
2277     */
2278    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2279            int flags);
2280
2281    /**
2282     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2283     * user.
2284     *
2285     * @param intent The desired intent as per resolveActivity().
2286     * @param flags Additional option flags.
2287     * @param userId The userId of the user being queried.
2288     *
2289     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2290     *         Receiver. These are ordered from first to last in priority.  If
2291     *         there are no matching receivers, an empty list is returned.
2292     *
2293     * @see #MATCH_DEFAULT_ONLY
2294     * @see #GET_INTENT_FILTERS
2295     * @see #GET_RESOLVED_FILTER
2296     * @hide
2297     */
2298    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2299            int flags, int userId);
2300
2301    /**
2302     * Determine the best service to handle for a given Intent.
2303     *
2304     * @param intent An intent containing all of the desired specification
2305     *               (action, data, type, category, and/or component).
2306     * @param flags Additional option flags.
2307     *
2308     * @return Returns a ResolveInfo containing the final service intent that
2309     *         was determined to be the best action.  Returns null if no
2310     *         matching service was found.
2311     *
2312     * @see #GET_INTENT_FILTERS
2313     * @see #GET_RESOLVED_FILTER
2314     */
2315    public abstract ResolveInfo resolveService(Intent intent, int flags);
2316
2317    /**
2318     * Retrieve all services that can match the given intent.
2319     *
2320     * @param intent The desired intent as per resolveService().
2321     * @param flags Additional option flags.
2322     *
2323     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2324     *         ServiceInfo. These are ordered from best to worst match -- that
2325     *         is, the first item in the list is what is returned by
2326     *         resolveService().  If there are no matching services, an empty
2327     *         list is returned.
2328     *
2329     * @see #GET_INTENT_FILTERS
2330     * @see #GET_RESOLVED_FILTER
2331     */
2332    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2333            int flags);
2334
2335    /**
2336     * Retrieve all services that can match the given intent for a given user.
2337     *
2338     * @param intent The desired intent as per resolveService().
2339     * @param flags Additional option flags.
2340     * @param userId The user id.
2341     *
2342     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2343     *         ServiceInfo. These are ordered from best to worst match -- that
2344     *         is, the first item in the list is what is returned by
2345     *         resolveService().  If there are no matching services, an empty
2346     *         list is returned.
2347     *
2348     * @see #GET_INTENT_FILTERS
2349     * @see #GET_RESOLVED_FILTER
2350     *
2351     * @hide
2352     */
2353    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2354            int flags, int userId);
2355
2356    /** {@hide} */
2357    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2358            Intent intent, int flags, int userId);
2359
2360    /**
2361     * Retrieve all providers that can match the given intent.
2362     *
2363     * @param intent An intent containing all of the desired specification
2364     *            (action, data, type, category, and/or component).
2365     * @param flags Additional option flags.
2366     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2367     *         ProviderInfo. These are ordered from best to worst match. If
2368     *         there are no matching providers, an empty list is returned.
2369     * @see #GET_INTENT_FILTERS
2370     * @see #GET_RESOLVED_FILTER
2371     */
2372    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2373
2374    /**
2375     * Find a single content provider by its base path name.
2376     *
2377     * @param name The name of the provider to find.
2378     * @param flags Additional option flags.  Currently should always be 0.
2379     *
2380     * @return ContentProviderInfo Information about the provider, if found,
2381     *         else null.
2382     */
2383    public abstract ProviderInfo resolveContentProvider(String name,
2384            int flags);
2385
2386    /**
2387     * Retrieve content provider information.
2388     *
2389     * <p><em>Note: unlike most other methods, an empty result set is indicated
2390     * by a null return instead of an empty list.</em>
2391     *
2392     * @param processName If non-null, limits the returned providers to only
2393     *                    those that are hosted by the given process.  If null,
2394     *                    all content providers are returned.
2395     * @param uid If <var>processName</var> is non-null, this is the required
2396     *        uid owning the requested content providers.
2397     * @param flags Additional option flags.  Currently should always be 0.
2398     *
2399     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2400     *         content provider either patching <var>processName</var> or, if
2401     *         <var>processName</var> is null, all known content providers.
2402     *         <em>If there are no matching providers, null is returned.</em>
2403     */
2404    public abstract List<ProviderInfo> queryContentProviders(
2405            String processName, int uid, int flags);
2406
2407    /**
2408     * Retrieve all of the information we know about a particular
2409     * instrumentation class.
2410     *
2411     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2412     * given class name cannot be found on the system.
2413     *
2414     * @param className The full name (i.e.
2415     *                  com.google.apps.contacts.InstrumentList) of an
2416     *                  Instrumentation class.
2417     * @param flags Additional option flags.  Currently should always be 0.
2418     *
2419     * @return InstrumentationInfo containing information about the
2420     *         instrumentation.
2421     */
2422    public abstract InstrumentationInfo getInstrumentationInfo(
2423            ComponentName className, int flags) throws NameNotFoundException;
2424
2425    /**
2426     * Retrieve information about available instrumentation code.  May be used
2427     * to retrieve either all instrumentation code, or only the code targeting
2428     * a particular package.
2429     *
2430     * @param targetPackage If null, all instrumentation is returned; only the
2431     *                      instrumentation targeting this package name is
2432     *                      returned.
2433     * @param flags Additional option flags.  Currently should always be 0.
2434     *
2435     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2436     *         matching available Instrumentation.  Returns an empty list if
2437     *         there is no instrumentation available for the given package.
2438     */
2439    public abstract List<InstrumentationInfo> queryInstrumentation(
2440            String targetPackage, int flags);
2441
2442    /**
2443     * Retrieve an image from a package.  This is a low-level API used by
2444     * the various package manager info structures (such as
2445     * {@link ComponentInfo} to implement retrieval of their associated
2446     * icon.
2447     *
2448     * @param packageName The name of the package that this icon is coming from.
2449     * Cannot be null.
2450     * @param resid The resource identifier of the desired image.  Cannot be 0.
2451     * @param appInfo Overall information about <var>packageName</var>.  This
2452     * may be null, in which case the application information will be retrieved
2453     * for you if needed; if you already have this information around, it can
2454     * be much more efficient to supply it here.
2455     *
2456     * @return Returns a Drawable holding the requested image.  Returns null if
2457     * an image could not be found for any reason.
2458     */
2459    public abstract Drawable getDrawable(String packageName, int resid,
2460            ApplicationInfo appInfo);
2461
2462    /**
2463     * Retrieve the icon associated with an activity.  Given the full name of
2464     * an activity, retrieves the information about it and calls
2465     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2466     * If the activity cannot be found, NameNotFoundException is thrown.
2467     *
2468     * @param activityName Name of the activity whose icon is to be retrieved.
2469     *
2470     * @return Returns the image of the icon, or the default activity icon if
2471     * it could not be found.  Does not return null.
2472     * @throws NameNotFoundException Thrown if the resources for the given
2473     * activity could not be loaded.
2474     *
2475     * @see #getActivityIcon(Intent)
2476     */
2477    public abstract Drawable getActivityIcon(ComponentName activityName)
2478            throws NameNotFoundException;
2479
2480    /**
2481     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2482     * set, this simply returns the result of
2483     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2484     * component and returns the icon associated with the resolved component.
2485     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2486     * to a component, NameNotFoundException is thrown.
2487     *
2488     * @param intent The intent for which you would like to retrieve an icon.
2489     *
2490     * @return Returns the image of the icon, or the default activity icon if
2491     * it could not be found.  Does not return null.
2492     * @throws NameNotFoundException Thrown if the resources for application
2493     * matching the given intent could not be loaded.
2494     *
2495     * @see #getActivityIcon(ComponentName)
2496     */
2497    public abstract Drawable getActivityIcon(Intent intent)
2498            throws NameNotFoundException;
2499
2500    /**
2501     * Retrieve the banner associated with an activity. Given the full name of
2502     * an activity, retrieves the information about it and calls
2503     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2504     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2505     *
2506     * @param activityName Name of the activity whose banner is to be retrieved.
2507     * @return Returns the image of the banner, or null if the activity has no
2508     *         banner specified.
2509     * @throws NameNotFoundException Thrown if the resources for the given
2510     *             activity could not be loaded.
2511     * @see #getActivityBanner(Intent)
2512     */
2513    public abstract Drawable getActivityBanner(ComponentName activityName)
2514            throws NameNotFoundException;
2515
2516    /**
2517     * Retrieve the banner associated with an Intent. If intent.getClassName()
2518     * is set, this simply returns the result of
2519     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2520     * intent's component and returns the banner associated with the resolved
2521     * component. If intent.getClassName() cannot be found or the Intent cannot
2522     * be resolved to a component, NameNotFoundException is thrown.
2523     *
2524     * @param intent The intent for which you would like to retrieve a banner.
2525     * @return Returns the image of the banner, or null if the activity has no
2526     *         banner specified.
2527     * @throws NameNotFoundException Thrown if the resources for application
2528     *             matching the given intent could not be loaded.
2529     * @see #getActivityBanner(ComponentName)
2530     */
2531    public abstract Drawable getActivityBanner(Intent intent)
2532            throws NameNotFoundException;
2533
2534    /**
2535     * Return the generic icon for an activity that is used when no specific
2536     * icon is defined.
2537     *
2538     * @return Drawable Image of the icon.
2539     */
2540    public abstract Drawable getDefaultActivityIcon();
2541
2542    /**
2543     * Retrieve the icon associated with an application.  If it has not defined
2544     * an icon, the default app icon is returned.  Does not return null.
2545     *
2546     * @param info Information about application being queried.
2547     *
2548     * @return Returns the image of the icon, or the default application icon
2549     * if it could not be found.
2550     *
2551     * @see #getApplicationIcon(String)
2552     */
2553    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2554
2555    /**
2556     * Retrieve the icon associated with an application.  Given the name of the
2557     * application's package, retrieves the information about it and calls
2558     * getApplicationIcon() to return its icon. If the application cannot be
2559     * found, NameNotFoundException is thrown.
2560     *
2561     * @param packageName Name of the package whose application icon is to be
2562     *                    retrieved.
2563     *
2564     * @return Returns the image of the icon, or the default application icon
2565     * if it could not be found.  Does not return null.
2566     * @throws NameNotFoundException Thrown if the resources for the given
2567     * application could not be loaded.
2568     *
2569     * @see #getApplicationIcon(ApplicationInfo)
2570     */
2571    public abstract Drawable getApplicationIcon(String packageName)
2572            throws NameNotFoundException;
2573
2574    /**
2575     * Retrieve the banner associated with an application.
2576     *
2577     * @param info Information about application being queried.
2578     * @return Returns the image of the banner or null if the application has no
2579     *         banner specified.
2580     * @see #getApplicationBanner(String)
2581     */
2582    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2583
2584    /**
2585     * Retrieve the banner associated with an application. Given the name of the
2586     * application's package, retrieves the information about it and calls
2587     * getApplicationIcon() to return its banner. If the application cannot be
2588     * found, NameNotFoundException is thrown.
2589     *
2590     * @param packageName Name of the package whose application banner is to be
2591     *            retrieved.
2592     * @return Returns the image of the banner or null if the application has no
2593     *         banner specified.
2594     * @throws NameNotFoundException Thrown if the resources for the given
2595     *             application could not be loaded.
2596     * @see #getApplicationBanner(ApplicationInfo)
2597     */
2598    public abstract Drawable getApplicationBanner(String packageName)
2599            throws NameNotFoundException;
2600
2601    /**
2602     * Retrieve the logo associated with an activity. Given the full name of an
2603     * activity, retrieves the information about it and calls
2604     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2605     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2606     *
2607     * @param activityName Name of the activity whose logo is to be retrieved.
2608     * @return Returns the image of the logo or null if the activity has no logo
2609     *         specified.
2610     * @throws NameNotFoundException Thrown if the resources for the given
2611     *             activity could not be loaded.
2612     * @see #getActivityLogo(Intent)
2613     */
2614    public abstract Drawable getActivityLogo(ComponentName activityName)
2615            throws NameNotFoundException;
2616
2617    /**
2618     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2619     * set, this simply returns the result of
2620     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2621     * component and returns the logo associated with the resolved component.
2622     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2623     * to a component, NameNotFoundException is thrown.
2624     *
2625     * @param intent The intent for which you would like to retrieve a logo.
2626     *
2627     * @return Returns the image of the logo, or null if the activity has no
2628     * logo specified.
2629     *
2630     * @throws NameNotFoundException Thrown if the resources for application
2631     * matching the given intent could not be loaded.
2632     *
2633     * @see #getActivityLogo(ComponentName)
2634     */
2635    public abstract Drawable getActivityLogo(Intent intent)
2636            throws NameNotFoundException;
2637
2638    /**
2639     * Retrieve the logo associated with an application.  If it has not specified
2640     * a logo, this method returns null.
2641     *
2642     * @param info Information about application being queried.
2643     *
2644     * @return Returns the image of the logo, or null if no logo is specified
2645     * by the application.
2646     *
2647     * @see #getApplicationLogo(String)
2648     */
2649    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2650
2651    /**
2652     * Retrieve the logo associated with an application.  Given the name of the
2653     * application's package, retrieves the information about it and calls
2654     * getApplicationLogo() to return its logo. If the application cannot be
2655     * found, NameNotFoundException is thrown.
2656     *
2657     * @param packageName Name of the package whose application logo is to be
2658     *                    retrieved.
2659     *
2660     * @return Returns the image of the logo, or null if no application logo
2661     * has been specified.
2662     *
2663     * @throws NameNotFoundException Thrown if the resources for the given
2664     * application could not be loaded.
2665     *
2666     * @see #getApplicationLogo(ApplicationInfo)
2667     */
2668    public abstract Drawable getApplicationLogo(String packageName)
2669            throws NameNotFoundException;
2670
2671    /**
2672     * Retrieve text from a package.  This is a low-level API used by
2673     * the various package manager info structures (such as
2674     * {@link ComponentInfo} to implement retrieval of their associated
2675     * labels and other text.
2676     *
2677     * @param packageName The name of the package that this text is coming from.
2678     * Cannot be null.
2679     * @param resid The resource identifier of the desired text.  Cannot be 0.
2680     * @param appInfo Overall information about <var>packageName</var>.  This
2681     * may be null, in which case the application information will be retrieved
2682     * for you if needed; if you already have this information around, it can
2683     * be much more efficient to supply it here.
2684     *
2685     * @return Returns a CharSequence holding the requested text.  Returns null
2686     * if the text could not be found for any reason.
2687     */
2688    public abstract CharSequence getText(String packageName, int resid,
2689            ApplicationInfo appInfo);
2690
2691    /**
2692     * Retrieve an XML file from a package.  This is a low-level API used to
2693     * retrieve XML meta data.
2694     *
2695     * @param packageName The name of the package that this xml is coming from.
2696     * Cannot be null.
2697     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2698     * @param appInfo Overall information about <var>packageName</var>.  This
2699     * may be null, in which case the application information will be retrieved
2700     * for you if needed; if you already have this information around, it can
2701     * be much more efficient to supply it here.
2702     *
2703     * @return Returns an XmlPullParser allowing you to parse out the XML
2704     * data.  Returns null if the xml resource could not be found for any
2705     * reason.
2706     */
2707    public abstract XmlResourceParser getXml(String packageName, int resid,
2708            ApplicationInfo appInfo);
2709
2710    /**
2711     * Return the label to use for this application.
2712     *
2713     * @return Returns the label associated with this application, or null if
2714     * it could not be found for any reason.
2715     * @param info The application to get the label of.
2716     */
2717    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2718
2719    /**
2720     * Retrieve the resources associated with an activity.  Given the full
2721     * name of an activity, retrieves the information about it and calls
2722     * getResources() to return its application's resources.  If the activity
2723     * cannot be found, NameNotFoundException is thrown.
2724     *
2725     * @param activityName Name of the activity whose resources are to be
2726     *                     retrieved.
2727     *
2728     * @return Returns the application's Resources.
2729     * @throws NameNotFoundException Thrown if the resources for the given
2730     * application could not be loaded.
2731     *
2732     * @see #getResourcesForApplication(ApplicationInfo)
2733     */
2734    public abstract Resources getResourcesForActivity(ComponentName activityName)
2735            throws NameNotFoundException;
2736
2737    /**
2738     * Retrieve the resources for an application.  Throws NameNotFoundException
2739     * if the package is no longer installed.
2740     *
2741     * @param app Information about the desired application.
2742     *
2743     * @return Returns the application's Resources.
2744     * @throws NameNotFoundException Thrown if the resources for the given
2745     * application could not be loaded (most likely because it was uninstalled).
2746     */
2747    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2748            throws NameNotFoundException;
2749
2750    /**
2751     * Retrieve the resources associated with an application.  Given the full
2752     * package name of an application, retrieves the information about it and
2753     * calls getResources() to return its application's resources.  If the
2754     * appPackageName cannot be found, NameNotFoundException is thrown.
2755     *
2756     * @param appPackageName Package name of the application whose resources
2757     *                       are to be retrieved.
2758     *
2759     * @return Returns the application's Resources.
2760     * @throws NameNotFoundException Thrown if the resources for the given
2761     * application could not be loaded.
2762     *
2763     * @see #getResourcesForApplication(ApplicationInfo)
2764     */
2765    public abstract Resources getResourcesForApplication(String appPackageName)
2766            throws NameNotFoundException;
2767
2768    /** @hide */
2769    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2770            throws NameNotFoundException;
2771
2772    /**
2773     * Retrieve overall information about an application package defined
2774     * in a package archive file
2775     *
2776     * @param archiveFilePath The path to the archive file
2777     * @param flags Additional option flags. Use any combination of
2778     * {@link #GET_ACTIVITIES},
2779     * {@link #GET_GIDS},
2780     * {@link #GET_CONFIGURATIONS},
2781     * {@link #GET_INSTRUMENTATION},
2782     * {@link #GET_PERMISSIONS},
2783     * {@link #GET_PROVIDERS},
2784     * {@link #GET_RECEIVERS},
2785     * {@link #GET_SERVICES},
2786     * {@link #GET_SIGNATURES}, to modify the data returned.
2787     *
2788     * @return Returns the information about the package. Returns
2789     * null if the package could not be successfully parsed.
2790     *
2791     * @see #GET_ACTIVITIES
2792     * @see #GET_GIDS
2793     * @see #GET_CONFIGURATIONS
2794     * @see #GET_INSTRUMENTATION
2795     * @see #GET_PERMISSIONS
2796     * @see #GET_PROVIDERS
2797     * @see #GET_RECEIVERS
2798     * @see #GET_SERVICES
2799     * @see #GET_SIGNATURES
2800     *
2801     */
2802    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2803        PackageParser packageParser = new PackageParser(archiveFilePath);
2804        DisplayMetrics metrics = new DisplayMetrics();
2805        metrics.setToDefaults();
2806        final File sourceFile = new File(archiveFilePath);
2807        PackageParser.Package pkg = packageParser.parsePackage(
2808                sourceFile, archiveFilePath, metrics, 0);
2809        if (pkg == null) {
2810            return null;
2811        }
2812        if ((flags & GET_SIGNATURES) != 0) {
2813            packageParser.collectCertificates(pkg, 0);
2814        }
2815        PackageUserState state = new PackageUserState();
2816        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2817    }
2818
2819    /**
2820     * @hide
2821     *
2822     * Install a package. Since this may take a little while, the result will
2823     * be posted back to the given observer.  An installation will fail if the calling context
2824     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2825     * package named in the package file's manifest is already installed, or if there's no space
2826     * available on the device.
2827     *
2828     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2829     * 'content:' URI.
2830     * @param observer An observer callback to get notified when the package installation is
2831     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2832     * called when that happens.  This parameter must not be null.
2833     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2834     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2835     * @param installerPackageName Optional package name of the application that is performing the
2836     * installation. This identifies which market the package came from.
2837     * @deprecated Use {@link #installPackage(Uri, IPackageInstallObserver2, int, String)}
2838     * instead.  This method will continue to be supported but the older observer interface
2839     * will not get additional failure details.
2840     */
2841    public abstract void installPackage(
2842            Uri packageURI, IPackageInstallObserver observer, int flags,
2843            String installerPackageName);
2844
2845    /**
2846     * Similar to
2847     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2848     * with an extra verification file provided.
2849     *
2850     * @param packageURI The location of the package file to install. This can
2851     *            be a 'file:' or a 'content:' URI.
2852     * @param observer An observer callback to get notified when the package
2853     *            installation is complete.
2854     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2855     *            will be called when that happens. This parameter must not be null.
2856     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2857     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2858     * @param installerPackageName Optional package name of the application that
2859     *            is performing the installation. This identifies which market
2860     *            the package came from.
2861     * @param verificationURI The location of the supplementary verification
2862     *            file. This can be a 'file:' or a 'content:' URI. May be
2863     *            {@code null}.
2864     * @param manifestDigest an object that holds the digest of the package
2865     *            which can be used to verify ownership. May be {@code null}.
2866     * @param encryptionParams if the package to be installed is encrypted,
2867     *            these parameters describing the encryption and authentication
2868     *            used. May be {@code null}.
2869     * @hide
2870     * @deprecated Use {@link #installPackageWithVerification(Uri, IPackageInstallObserver2,
2871     * int, String, Uri, ManifestDigest, ContainerEncryptionParams)} instead.  This method will
2872     * continue to be supported but the older observer interface will not get additional failure
2873     * details.
2874     */
2875    public abstract void installPackageWithVerification(Uri packageURI,
2876            IPackageInstallObserver observer, int flags, String installerPackageName,
2877            Uri verificationURI, ManifestDigest manifestDigest,
2878            ContainerEncryptionParams encryptionParams);
2879
2880    /**
2881     * Similar to
2882     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2883     * with an extra verification information provided.
2884     *
2885     * @param packageURI The location of the package file to install. This can
2886     *            be a 'file:' or a 'content:' URI.
2887     * @param observer An observer callback to get notified when the package
2888     *            installation is complete.
2889     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2890     *            will be called when that happens. This parameter must not be null.
2891     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2892     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2893     * @param installerPackageName Optional package name of the application that
2894     *            is performing the installation. This identifies which market
2895     *            the package came from.
2896     * @param verificationParams an object that holds signal information to
2897     *            assist verification. May be {@code null}.
2898     * @param encryptionParams if the package to be installed is encrypted,
2899     *            these parameters describing the encryption and authentication
2900     *            used. May be {@code null}.
2901     *
2902     * @hide
2903     * @deprecated Use {@link #installPackageWithVerificationAndEncryption(Uri,
2904     * IPackageInstallObserver2, int, String, VerificationParams,
2905     * ContainerEncryptionParams)} instead.  This method will continue to be
2906     * supported but the older observer interface will not get additional failure details.
2907     */
2908    @Deprecated
2909    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2910            IPackageInstallObserver observer, int flags, String installerPackageName,
2911            VerificationParams verificationParams,
2912            ContainerEncryptionParams encryptionParams);
2913
2914    // Package-install variants that take the new, expanded form of observer interface.
2915    // Note that these *also* take the original observer type and will redundantly
2916    // report the same information to that observer if supplied; but it is not required.
2917
2918    /**
2919     * @hide
2920     *
2921     * Install a package. Since this may take a little while, the result will
2922     * be posted back to the given observer.  An installation will fail if the calling context
2923     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2924     * package named in the package file's manifest is already installed, or if there's no space
2925     * available on the device.
2926     *
2927     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2928     * 'content:' URI.
2929     * @param observer An observer callback to get notified when the package installation is
2930     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
2931     * called when that happens. This parameter must not be null.
2932     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2933     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2934     * @param installerPackageName Optional package name of the application that is performing the
2935     * installation. This identifies which market the package came from.
2936     */
2937    public abstract void installPackage(
2938            Uri packageURI, PackageInstallObserver observer,
2939            int flags, String installerPackageName);
2940
2941    /**
2942     * Similar to
2943     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2944     * with an extra verification file provided.
2945     *
2946     * @param packageURI The location of the package file to install. This can
2947     *            be a 'file:' or a 'content:' URI.
2948     * @param observer An observer callback to get notified when the package installation is
2949     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
2950     * called when that happens. This parameter must not be null.
2951     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2952     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2953     * @param installerPackageName Optional package name of the application that
2954     *            is performing the installation. This identifies which market
2955     *            the package came from.
2956     * @param verificationURI The location of the supplementary verification
2957     *            file. This can be a 'file:' or a 'content:' URI. May be
2958     *            {@code null}.
2959     * @param manifestDigest an object that holds the digest of the package
2960     *            which can be used to verify ownership. May be {@code null}.
2961     * @param encryptionParams if the package to be installed is encrypted,
2962     *            these parameters describing the encryption and authentication
2963     *            used. May be {@code null}.
2964     * @hide
2965     */
2966    public abstract void installPackageWithVerification(Uri packageURI,
2967            PackageInstallObserver observer, int flags, String installerPackageName,
2968            Uri verificationURI, ManifestDigest manifestDigest,
2969            ContainerEncryptionParams encryptionParams);
2970
2971    /**
2972     * Similar to
2973     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2974     * with an extra verification information provided.
2975     *
2976     * @param packageURI The location of the package file to install. This can
2977     *            be a 'file:' or a 'content:' URI.
2978     * @param observer An observer callback to get notified when the package installation is
2979     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
2980     * called when that happens. This parameter must not be null.
2981     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2982     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2983     * @param installerPackageName Optional package name of the application that
2984     *            is performing the installation. This identifies which market
2985     *            the package came from.
2986     * @param verificationParams an object that holds signal information to
2987     *            assist verification. May be {@code null}.
2988     * @param encryptionParams if the package to be installed is encrypted,
2989     *            these parameters describing the encryption and authentication
2990     *            used. May be {@code null}.
2991     *
2992     * @hide
2993     */
2994    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2995            PackageInstallObserver observer, int flags, String installerPackageName,
2996            VerificationParams verificationParams, ContainerEncryptionParams encryptionParams);
2997
2998    /**
2999     * If there is already an application with the given package name installed
3000     * on the system for other users, also install it for the calling user.
3001     * @hide
3002     */
3003    public abstract int installExistingPackage(String packageName)
3004            throws NameNotFoundException;
3005
3006    /**
3007     * Allows a package listening to the
3008     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3009     * broadcast} to respond to the package manager. The response must include
3010     * the {@code verificationCode} which is one of
3011     * {@link PackageManager#VERIFICATION_ALLOW} or
3012     * {@link PackageManager#VERIFICATION_REJECT}.
3013     *
3014     * @param id pending package identifier as passed via the
3015     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3016     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
3017     *            or {@link PackageManager#VERIFICATION_REJECT}.
3018     * @throws SecurityException if the caller does not have the
3019     *            PACKAGE_VERIFICATION_AGENT permission.
3020     */
3021    public abstract void verifyPendingInstall(int id, int verificationCode);
3022
3023    /**
3024     * Allows a package listening to the
3025     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3026     * broadcast} to extend the default timeout for a response and declare what
3027     * action to perform after the timeout occurs. The response must include
3028     * the {@code verificationCodeAtTimeout} which is one of
3029     * {@link PackageManager#VERIFICATION_ALLOW} or
3030     * {@link PackageManager#VERIFICATION_REJECT}.
3031     *
3032     * This method may only be called once per package id. Additional calls
3033     * will have no effect.
3034     *
3035     * @param id pending package identifier as passed via the
3036     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3037     * @param verificationCodeAtTimeout either
3038     *            {@link PackageManager#VERIFICATION_ALLOW} or
3039     *            {@link PackageManager#VERIFICATION_REJECT}. If
3040     *            {@code verificationCodeAtTimeout} is neither
3041     *            {@link PackageManager#VERIFICATION_ALLOW} or
3042     *            {@link PackageManager#VERIFICATION_REJECT}, then
3043     *            {@code verificationCodeAtTimeout} will default to
3044     *            {@link PackageManager#VERIFICATION_REJECT}.
3045     * @param millisecondsToDelay the amount of time requested for the timeout.
3046     *            Must be positive and less than
3047     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
3048     *            {@code millisecondsToDelay} is out of bounds,
3049     *            {@code millisecondsToDelay} will be set to the closest in
3050     *            bounds value; namely, 0 or
3051     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
3052     * @throws SecurityException if the caller does not have the
3053     *            PACKAGE_VERIFICATION_AGENT permission.
3054     */
3055    public abstract void extendVerificationTimeout(int id,
3056            int verificationCodeAtTimeout, long millisecondsToDelay);
3057
3058    /**
3059     * Change the installer associated with a given package.  There are limitations
3060     * on how the installer package can be changed; in particular:
3061     * <ul>
3062     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
3063     * is not signed with the same certificate as the calling application.
3064     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
3065     * has an installer package, and that installer package is not signed with
3066     * the same certificate as the calling application.
3067     * </ul>
3068     *
3069     * @param targetPackage The installed package whose installer will be changed.
3070     * @param installerPackageName The package name of the new installer.  May be
3071     * null to clear the association.
3072     */
3073    public abstract void setInstallerPackageName(String targetPackage,
3074            String installerPackageName);
3075
3076    /**
3077     * Attempts to delete a package.  Since this may take a little while, the result will
3078     * be posted back to the given observer.  A deletion will fail if the calling context
3079     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
3080     * named package cannot be found, or if the named package is a "system package".
3081     * (TODO: include pointer to documentation on "system packages")
3082     *
3083     * @param packageName The name of the package to delete
3084     * @param observer An observer callback to get notified when the package deletion is
3085     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
3086     * called when that happens.  observer may be null to indicate that no callback is desired.
3087     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
3088     * {@link #DELETE_ALL_USERS}.
3089     *
3090     * @hide
3091     */
3092    public abstract void deletePackage(
3093            String packageName, IPackageDeleteObserver observer, int flags);
3094
3095    /**
3096     * Retrieve the package name of the application that installed a package. This identifies
3097     * which market the package came from.
3098     *
3099     * @param packageName The name of the package to query
3100     */
3101    public abstract String getInstallerPackageName(String packageName);
3102
3103    /**
3104     * Attempts to clear the user data directory of an application.
3105     * Since this may take a little while, the result will
3106     * be posted back to the given observer.  A deletion will fail if the
3107     * named package cannot be found, or if the named package is a "system package".
3108     *
3109     * @param packageName The name of the package
3110     * @param observer An observer callback to get notified when the operation is finished
3111     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3112     * will be called when that happens.  observer may be null to indicate that
3113     * no callback is desired.
3114     *
3115     * @hide
3116     */
3117    public abstract void clearApplicationUserData(String packageName,
3118            IPackageDataObserver observer);
3119    /**
3120     * Attempts to delete the cache files associated with an application.
3121     * Since this may take a little while, the result will
3122     * be posted back to the given observer.  A deletion will fail if the calling context
3123     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
3124     * named package cannot be found, or if the named package is a "system package".
3125     *
3126     * @param packageName The name of the package to delete
3127     * @param observer An observer callback to get notified when the cache file deletion
3128     * is complete.
3129     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3130     * will be called when that happens.  observer may be null to indicate that
3131     * no callback is desired.
3132     *
3133     * @hide
3134     */
3135    public abstract void deleteApplicationCacheFiles(String packageName,
3136            IPackageDataObserver observer);
3137
3138    /**
3139     * Free storage by deleting LRU sorted list of cache files across
3140     * all applications. If the currently available free storage
3141     * on the device is greater than or equal to the requested
3142     * free storage, no cache files are cleared. If the currently
3143     * available storage on the device is less than the requested
3144     * free storage, some or all of the cache files across
3145     * all applications are deleted (based on last accessed time)
3146     * to increase the free storage space on the device to
3147     * the requested value. There is no guarantee that clearing all
3148     * the cache files from all applications will clear up
3149     * enough storage to achieve the desired value.
3150     * @param freeStorageSize The number of bytes of storage to be
3151     * freed by the system. Say if freeStorageSize is XX,
3152     * and the current free storage is YY,
3153     * if XX is less than YY, just return. if not free XX-YY number
3154     * of bytes if possible.
3155     * @param observer call back used to notify when
3156     * the operation is completed
3157     *
3158     * @hide
3159     */
3160    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3161
3162    /**
3163     * Free storage by deleting LRU sorted list of cache files across
3164     * all applications. If the currently available free storage
3165     * on the device is greater than or equal to the requested
3166     * free storage, no cache files are cleared. If the currently
3167     * available storage on the device is less than the requested
3168     * free storage, some or all of the cache files across
3169     * all applications are deleted (based on last accessed time)
3170     * to increase the free storage space on the device to
3171     * the requested value. There is no guarantee that clearing all
3172     * the cache files from all applications will clear up
3173     * enough storage to achieve the desired value.
3174     * @param freeStorageSize The number of bytes of storage to be
3175     * freed by the system. Say if freeStorageSize is XX,
3176     * and the current free storage is YY,
3177     * if XX is less than YY, just return. if not free XX-YY number
3178     * of bytes if possible.
3179     * @param pi IntentSender call back used to
3180     * notify when the operation is completed.May be null
3181     * to indicate that no call back is desired.
3182     *
3183     * @hide
3184     */
3185    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3186
3187    /**
3188     * Retrieve the size information for a package.
3189     * Since this may take a little while, the result will
3190     * be posted back to the given observer.  The calling context
3191     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3192     *
3193     * @param packageName The name of the package whose size information is to be retrieved
3194     * @param userHandle The user whose size information should be retrieved.
3195     * @param observer An observer callback to get notified when the operation
3196     * is complete.
3197     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3198     * The observer's callback is invoked with a PackageStats object(containing the
3199     * code, data and cache sizes of the package) and a boolean value representing
3200     * the status of the operation. observer may be null to indicate that
3201     * no callback is desired.
3202     *
3203     * @hide
3204     */
3205    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3206            IPackageStatsObserver observer);
3207
3208    /**
3209     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3210     * returns the size for the calling user.
3211     *
3212     * @hide
3213     */
3214    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3215        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3216    }
3217
3218    /**
3219     * @deprecated This function no longer does anything; it was an old
3220     * approach to managing preferred activities, which has been superseded
3221     * by (and conflicts with) the modern activity-based preferences.
3222     */
3223    @Deprecated
3224    public abstract void addPackageToPreferred(String packageName);
3225
3226    /**
3227     * @deprecated This function no longer does anything; it was an old
3228     * approach to managing preferred activities, which has been superseded
3229     * by (and conflicts with) the modern activity-based preferences.
3230     */
3231    @Deprecated
3232    public abstract void removePackageFromPreferred(String packageName);
3233
3234    /**
3235     * Retrieve the list of all currently configured preferred packages.  The
3236     * first package on the list is the most preferred, the last is the
3237     * least preferred.
3238     *
3239     * @param flags Additional option flags. Use any combination of
3240     * {@link #GET_ACTIVITIES},
3241     * {@link #GET_GIDS},
3242     * {@link #GET_CONFIGURATIONS},
3243     * {@link #GET_INSTRUMENTATION},
3244     * {@link #GET_PERMISSIONS},
3245     * {@link #GET_PROVIDERS},
3246     * {@link #GET_RECEIVERS},
3247     * {@link #GET_SERVICES},
3248     * {@link #GET_SIGNATURES}, to modify the data returned.
3249     *
3250     * @return Returns a list of PackageInfo objects describing each
3251     * preferred application, in order of preference.
3252     *
3253     * @see #GET_ACTIVITIES
3254     * @see #GET_GIDS
3255     * @see #GET_CONFIGURATIONS
3256     * @see #GET_INSTRUMENTATION
3257     * @see #GET_PERMISSIONS
3258     * @see #GET_PROVIDERS
3259     * @see #GET_RECEIVERS
3260     * @see #GET_SERVICES
3261     * @see #GET_SIGNATURES
3262     */
3263    public abstract List<PackageInfo> getPreferredPackages(int flags);
3264
3265    /**
3266     * @deprecated This is a protected API that should not have been available
3267     * to third party applications.  It is the platform's responsibility for
3268     * assigning preferred activities and this cannot be directly modified.
3269     *
3270     * Add a new preferred activity mapping to the system.  This will be used
3271     * to automatically select the given activity component when
3272     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3273     * multiple matching activities and also matches the given filter.
3274     *
3275     * @param filter The set of intents under which this activity will be
3276     * made preferred.
3277     * @param match The IntentFilter match category that this preference
3278     * applies to.
3279     * @param set The set of activities that the user was picking from when
3280     * this preference was made.
3281     * @param activity The component name of the activity that is to be
3282     * preferred.
3283     */
3284    @Deprecated
3285    public abstract void addPreferredActivity(IntentFilter filter, int match,
3286            ComponentName[] set, ComponentName activity);
3287
3288    /**
3289     * Same as {@link #addPreferredActivity(IntentFilter, int,
3290            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3291            to.
3292     * @hide
3293     */
3294    public void addPreferredActivity(IntentFilter filter, int match,
3295            ComponentName[] set, ComponentName activity, int userId) {
3296        throw new RuntimeException("Not implemented. Must override in a subclass.");
3297    }
3298
3299    /**
3300     * @deprecated This is a protected API that should not have been available
3301     * to third party applications.  It is the platform's responsibility for
3302     * assigning preferred activities and this cannot be directly modified.
3303     *
3304     * Replaces an existing preferred activity mapping to the system, and if that were not present
3305     * adds a new preferred activity.  This will be used
3306     * to automatically select the given activity component when
3307     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3308     * multiple matching activities and also matches the given filter.
3309     *
3310     * @param filter The set of intents under which this activity will be
3311     * made preferred.
3312     * @param match The IntentFilter match category that this preference
3313     * applies to.
3314     * @param set The set of activities that the user was picking from when
3315     * this preference was made.
3316     * @param activity The component name of the activity that is to be
3317     * preferred.
3318     * @hide
3319     */
3320    @Deprecated
3321    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3322            ComponentName[] set, ComponentName activity);
3323
3324    /**
3325     * Remove all preferred activity mappings, previously added with
3326     * {@link #addPreferredActivity}, from the
3327     * system whose activities are implemented in the given package name.
3328     * An application can only clear its own package(s).
3329     *
3330     * @param packageName The name of the package whose preferred activity
3331     * mappings are to be removed.
3332     */
3333    public abstract void clearPackagePreferredActivities(String packageName);
3334
3335    /**
3336     * Retrieve all preferred activities, previously added with
3337     * {@link #addPreferredActivity}, that are
3338     * currently registered with the system.
3339     *
3340     * @param outFilters A list in which to place the filters of all of the
3341     * preferred activities, or null for none.
3342     * @param outActivities A list in which to place the component names of
3343     * all of the preferred activities, or null for none.
3344     * @param packageName An option package in which you would like to limit
3345     * the list.  If null, all activities will be returned; if non-null, only
3346     * those activities in the given package are returned.
3347     *
3348     * @return Returns the total number of registered preferred activities
3349     * (the number of distinct IntentFilter records, not the number of unique
3350     * activity components) that were found.
3351     */
3352    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3353            List<ComponentName> outActivities, String packageName);
3354
3355    /**
3356     * Ask for the set of available 'home' activities and the current explicit
3357     * default, if any.
3358     * @hide
3359     */
3360    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3361
3362    /**
3363     * Set the enabled setting for a package component (activity, receiver, service, provider).
3364     * This setting will override any enabled state which may have been set by the component in its
3365     * manifest.
3366     *
3367     * @param componentName The component to enable
3368     * @param newState The new enabled state for the component.  The legal values for this state
3369     *                 are:
3370     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3371     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3372     *                   and
3373     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3374     *                 The last one removes the setting, thereby restoring the component's state to
3375     *                 whatever was set in it's manifest (or enabled, by default).
3376     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3377     */
3378    public abstract void setComponentEnabledSetting(ComponentName componentName,
3379            int newState, int flags);
3380
3381
3382    /**
3383     * Return the the enabled setting for a package component (activity,
3384     * receiver, service, provider).  This returns the last value set by
3385     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3386     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3387     * the value originally specified in the manifest has not been modified.
3388     *
3389     * @param componentName The component to retrieve.
3390     * @return Returns the current enabled state for the component.  May
3391     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3392     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3393     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3394     * component's enabled state is based on the original information in
3395     * the manifest as found in {@link ComponentInfo}.
3396     */
3397    public abstract int getComponentEnabledSetting(ComponentName componentName);
3398
3399    /**
3400     * Set the enabled setting for an application
3401     * This setting will override any enabled state which may have been set by the application in
3402     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3403     * application's components.  It does not override any enabled state set by
3404     * {@link #setComponentEnabledSetting} for any of the application's components.
3405     *
3406     * @param packageName The package name of the application to enable
3407     * @param newState The new enabled state for the component.  The legal values for this state
3408     *                 are:
3409     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3410     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3411     *                   and
3412     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3413     *                 The last one removes the setting, thereby restoring the applications's state to
3414     *                 whatever was set in its manifest (or enabled, by default).
3415     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3416     */
3417    public abstract void setApplicationEnabledSetting(String packageName,
3418            int newState, int flags);
3419
3420    /**
3421     * Return the the enabled setting for an application.  This returns
3422     * the last value set by
3423     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3424     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3425     * the value originally specified in the manifest has not been modified.
3426     *
3427     * @param packageName The component to retrieve.
3428     * @return Returns the current enabled state for the component.  May
3429     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3430     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3431     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3432     * application's enabled state is based on the original information in
3433     * the manifest as found in {@link ComponentInfo}.
3434     * @throws IllegalArgumentException if the named package does not exist.
3435     */
3436    public abstract int getApplicationEnabledSetting(String packageName);
3437
3438    /**
3439     * Puts the package in a blocked state, which is almost like an uninstalled state,
3440     * making the package unavailable, but it doesn't remove the data or the actual
3441     * package file.
3442     * @hide
3443     */
3444    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3445            UserHandle userHandle);
3446
3447    /**
3448     * Returns the blocked state of a package.
3449     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3450     * @hide
3451     */
3452    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3453            UserHandle userHandle);
3454
3455    /**
3456     * Return whether the device has been booted into safe mode.
3457     */
3458    public abstract boolean isSafeMode();
3459
3460    /**
3461     * Attempts to move package resources from internal to external media or vice versa.
3462     * Since this may take a little while, the result will
3463     * be posted back to the given observer.   This call may fail if the calling context
3464     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3465     * named package cannot be found, or if the named package is a "system package".
3466     *
3467     * @param packageName The name of the package to delete
3468     * @param observer An observer callback to get notified when the package move is
3469     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3470     * called when that happens.  observer may be null to indicate that no callback is desired.
3471     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3472     * {@link #MOVE_EXTERNAL_MEDIA}
3473     *
3474     * @hide
3475     */
3476    public abstract void movePackage(
3477            String packageName, IPackageMoveObserver observer, int flags);
3478
3479    /**
3480     * Returns the device identity that verifiers can use to associate their scheme to a particular
3481     * device. This should not be used by anything other than a package verifier.
3482     *
3483     * @return identity that uniquely identifies current device
3484     * @hide
3485     */
3486    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3487
3488    /**
3489     * Returns the data directory for a particular user and package, given the uid of the package.
3490     * @param uid uid of the package, including the userId and appId
3491     * @param packageName name of the package
3492     * @return the user-specific data directory for the package
3493     * @hide
3494     */
3495    public static String getDataDirForUser(int userId, String packageName) {
3496        // TODO: This should be shared with Installer's knowledge of user directory
3497        return Environment.getDataDirectory().toString() + "/user/" + userId
3498                + "/" + packageName;
3499    }
3500}
3501