PackageManager.java revision eeeacab5d52dea25adcc5d3e40b5afe7dfa105de
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.content.pm;
18
19import android.annotation.SdkConstant;
20import android.annotation.SdkConstant.SdkConstantType;
21import android.content.ComponentName;
22import android.content.Context;
23import android.content.Intent;
24import android.content.IntentFilter;
25import android.content.IntentSender;
26import android.content.res.Resources;
27import android.content.res.XmlResourceParser;
28import android.graphics.drawable.Drawable;
29import android.net.Uri;
30import android.os.Environment;
31import android.os.UserHandle;
32import android.util.AndroidException;
33import android.util.DisplayMetrics;
34
35import java.io.File;
36import java.util.List;
37
38/**
39 * Class for retrieving various kinds of information related to the application
40 * packages that are currently installed on the device.
41 *
42 * You can find this class through {@link Context#getPackageManager}.
43 */
44public abstract class PackageManager {
45
46    /**
47     * This exception is thrown when a given package, application, or component
48     * name cannot be found.
49     */
50    public static class NameNotFoundException extends AndroidException {
51        public NameNotFoundException() {
52        }
53
54        public NameNotFoundException(String name) {
55            super(name);
56        }
57    }
58
59    /**
60     * {@link PackageInfo} flag: return information about
61     * activities in the package in {@link PackageInfo#activities}.
62     */
63    public static final int GET_ACTIVITIES              = 0x00000001;
64
65    /**
66     * {@link PackageInfo} flag: return information about
67     * intent receivers in the package in
68     * {@link PackageInfo#receivers}.
69     */
70    public static final int GET_RECEIVERS               = 0x00000002;
71
72    /**
73     * {@link PackageInfo} flag: return information about
74     * services in the package in {@link PackageInfo#services}.
75     */
76    public static final int GET_SERVICES                = 0x00000004;
77
78    /**
79     * {@link PackageInfo} flag: return information about
80     * content providers in the package in
81     * {@link PackageInfo#providers}.
82     */
83    public static final int GET_PROVIDERS               = 0x00000008;
84
85    /**
86     * {@link PackageInfo} flag: return information about
87     * instrumentation in the package in
88     * {@link PackageInfo#instrumentation}.
89     */
90    public static final int GET_INSTRUMENTATION         = 0x00000010;
91
92    /**
93     * {@link PackageInfo} flag: return information about the
94     * intent filters supported by the activity.
95     */
96    public static final int GET_INTENT_FILTERS          = 0x00000020;
97
98    /**
99     * {@link PackageInfo} flag: return information about the
100     * signatures included in the package.
101     */
102    public static final int GET_SIGNATURES          = 0x00000040;
103
104    /**
105     * {@link ResolveInfo} flag: return the IntentFilter that
106     * was matched for a particular ResolveInfo in
107     * {@link ResolveInfo#filter}.
108     */
109    public static final int GET_RESOLVED_FILTER         = 0x00000040;
110
111    /**
112     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
113     * data {@link android.os.Bundle}s that are associated with a component.
114     * This applies for any API returning a ComponentInfo subclass.
115     */
116    public static final int GET_META_DATA               = 0x00000080;
117
118    /**
119     * {@link PackageInfo} flag: return the
120     * {@link PackageInfo#gids group ids} that are associated with an
121     * application.
122     * This applies for any API returning a PackageInfo class, either
123     * directly or nested inside of another.
124     */
125    public static final int GET_GIDS                    = 0x00000100;
126
127    /**
128     * {@link PackageInfo} flag: include disabled components in the returned info.
129     */
130    public static final int GET_DISABLED_COMPONENTS     = 0x00000200;
131
132    /**
133     * {@link ApplicationInfo} flag: return the
134     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
135     * that are associated with an application.
136     * This applies for any API returning an ApplicationInfo class, either
137     * directly or nested inside of another.
138     */
139    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
140
141    /**
142     * {@link ProviderInfo} flag: return the
143     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
144     * that are associated with a content provider.
145     * This applies for any API returning a ProviderInfo class, either
146     * directly or nested inside of another.
147     */
148    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
149    /**
150     * {@link PackageInfo} flag: return information about
151     * permissions in the package in
152     * {@link PackageInfo#permissions}.
153     */
154    public static final int GET_PERMISSIONS               = 0x00001000;
155
156    /**
157     * Flag parameter to retrieve some information about all applications (even
158     * uninstalled ones) which have data directories. This state could have
159     * resulted if applications have been deleted with flag
160     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
161     * reinstalled in future.
162     * <p>
163     * Note: this flag may cause less information about currently installed
164     * applications to be returned.
165     */
166    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
167
168    /**
169     * {@link PackageInfo} flag: return information about
170     * hardware preferences in
171     * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
172     * requested features in {@link PackageInfo#reqFeatures
173     * PackageInfo.reqFeatures}.
174     */
175    public static final int GET_CONFIGURATIONS = 0x00004000;
176
177    /**
178     * {@link PackageInfo} flag: include disabled components which are in
179     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
180     * in the returned info.  Note that if you set this flag, applications
181     * that are in this disabled state will be reported as enabled.
182     */
183    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
184
185    /**
186     * Resolution and querying flag: if set, only filters that support the
187     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
188     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
189     * supplied Intent.
190     */
191    public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
192
193    /**
194     * Permission check result: this is returned by {@link #checkPermission}
195     * if the permission has been granted to the given package.
196     */
197    public static final int PERMISSION_GRANTED = 0;
198
199    /**
200     * Permission check result: this is returned by {@link #checkPermission}
201     * if the permission has not been granted to the given package.
202     */
203    public static final int PERMISSION_DENIED = -1;
204
205    /**
206     * Signature check result: this is returned by {@link #checkSignatures}
207     * if all signatures on the two packages match.
208     */
209    public static final int SIGNATURE_MATCH = 0;
210
211    /**
212     * Signature check result: this is returned by {@link #checkSignatures}
213     * if neither of the two packages is signed.
214     */
215    public static final int SIGNATURE_NEITHER_SIGNED = 1;
216
217    /**
218     * Signature check result: this is returned by {@link #checkSignatures}
219     * if the first package is not signed but the second is.
220     */
221    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
222
223    /**
224     * Signature check result: this is returned by {@link #checkSignatures}
225     * if the second package is not signed but the first is.
226     */
227    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
228
229    /**
230     * Signature check result: this is returned by {@link #checkSignatures}
231     * if not all signatures on both packages match.
232     */
233    public static final int SIGNATURE_NO_MATCH = -3;
234
235    /**
236     * Signature check result: this is returned by {@link #checkSignatures}
237     * if either of the packages are not valid.
238     */
239    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
240
241    /**
242     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
243     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
244     * component or application is in its default enabled state (as specified
245     * in its manifest).
246     */
247    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
248
249    /**
250     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
251     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
252     * component or application has been explictily enabled, regardless of
253     * what it has specified in its manifest.
254     */
255    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
256
257    /**
258     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
259     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
260     * component or application has been explicitly disabled, regardless of
261     * what it has specified in its manifest.
262     */
263    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
264
265    /**
266     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
267     * user has explicitly disabled the application, regardless of what it has
268     * specified in its manifest.  Because this is due to the user's request,
269     * they may re-enable it if desired through the appropriate system UI.  This
270     * option currently <strong>cannot</strong> be used with
271     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
272     */
273    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
274
275    /**
276     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
277     * application should be considered, until the point where the user actually
278     * wants to use it.  This means that it will not normally show up to the user
279     * (such as in the launcher), but various parts of the user interface can
280     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
281     * the user to select it (as for example an IME, device admin, etc).  Such code,
282     * once the user has selected the app, should at that point also make it enabled.
283     * This option currently <strong>can not</strong> be used with
284     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
285     */
286    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
287
288    /**
289     * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
290     * indicate that this package should be installed as forward locked, i.e. only the app itself
291     * should have access to its code and non-resource assets.
292     * @hide
293     */
294    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
295
296    /**
297     * Flag parameter for {@link #installPackage} to indicate that you want to replace an already
298     * installed package, if one exists.
299     * @hide
300     */
301    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
302
303    /**
304     * Flag parameter for {@link #installPackage} to indicate that you want to
305     * allow test packages (those that have set android:testOnly in their
306     * manifest) to be installed.
307     * @hide
308     */
309    public static final int INSTALL_ALLOW_TEST = 0x00000004;
310
311    /**
312     * Flag parameter for {@link #installPackage} to indicate that this
313     * package has to be installed on the sdcard.
314     * @hide
315     */
316    public static final int INSTALL_EXTERNAL = 0x00000008;
317
318    /**
319     * Flag parameter for {@link #installPackage} to indicate that this package
320     * has to be installed on the sdcard.
321     * @hide
322     */
323    public static final int INSTALL_INTERNAL = 0x00000010;
324
325    /**
326     * Flag parameter for {@link #installPackage} to indicate that this install
327     * was initiated via ADB.
328     *
329     * @hide
330     */
331    public static final int INSTALL_FROM_ADB = 0x00000020;
332
333    /**
334     * Flag parameter for {@link #installPackage} to indicate that this install
335     * should immediately be visible to all users.
336     *
337     * @hide
338     */
339    public static final int INSTALL_ALL_USERS = 0x00000040;
340
341    /**
342     * Flag parameter for {@link #installPackage} to indicate that it is okay
343     * to install an update to an app where the newly installed app has a lower
344     * version code than the currently installed app.
345     *
346     * @hide
347     */
348    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
349
350    /**
351     * Flag parameter for
352     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
353     * that you don't want to kill the app containing the component.  Be careful when you set this
354     * since changing component states can make the containing application's behavior unpredictable.
355     */
356    public static final int DONT_KILL_APP = 0x00000001;
357
358    /**
359     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
360     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
361     * @hide
362     */
363    public static final int INSTALL_SUCCEEDED = 1;
364
365    /**
366     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
367     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
368     * already installed.
369     * @hide
370     */
371    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
372
373    /**
374     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
375     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
376     * file is invalid.
377     * @hide
378     */
379    public static final int INSTALL_FAILED_INVALID_APK = -2;
380
381    /**
382     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
383     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
384     * is invalid.
385     * @hide
386     */
387    public static final int INSTALL_FAILED_INVALID_URI = -3;
388
389    /**
390     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
391     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
392     * service found that the device didn't have enough storage space to install the app.
393     * @hide
394     */
395    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
396
397    /**
398     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
399     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
400     * package is already installed with the same name.
401     * @hide
402     */
403    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
404
405    /**
406     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
407     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
408     * the requested shared user does not exist.
409     * @hide
410     */
411    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
412
413    /**
414     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
415     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
416     * a previously installed package of the same name has a different signature
417     * than the new package (and the old package's data was not removed).
418     * @hide
419     */
420    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
421
422    /**
423     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
424     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
425     * the new package is requested a shared user which is already installed on the
426     * device and does not have matching signature.
427     * @hide
428     */
429    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
430
431    /**
432     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
433     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
434     * the new package uses a shared library that is not available.
435     * @hide
436     */
437    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
438
439    /**
440     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
441     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
442     * the new package uses a shared library that is not available.
443     * @hide
444     */
445    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
446
447    /**
448     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
449     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
450     * the new package failed while optimizing and validating its dex files,
451     * either because there was not enough storage or the validation failed.
452     * @hide
453     */
454    public static final int INSTALL_FAILED_DEXOPT = -11;
455
456    /**
457     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
458     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
459     * the new package failed because the current SDK version is older than
460     * that required by the package.
461     * @hide
462     */
463    public static final int INSTALL_FAILED_OLDER_SDK = -12;
464
465    /**
466     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
467     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
468     * the new package failed because it contains a content provider with the
469     * same authority as a provider already installed in the system.
470     * @hide
471     */
472    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
473
474    /**
475     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
476     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
477     * the new package failed because the current SDK version is newer than
478     * that required by the package.
479     * @hide
480     */
481    public static final int INSTALL_FAILED_NEWER_SDK = -14;
482
483    /**
484     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
485     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
486     * the new package failed because it has specified that it is a test-only
487     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
488     * flag.
489     * @hide
490     */
491    public static final int INSTALL_FAILED_TEST_ONLY = -15;
492
493    /**
494     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
495     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
496     * the package being installed contains native code, but none that is
497     * compatible with the the device's CPU_ABI.
498     * @hide
499     */
500    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
501
502    /**
503     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
504     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
505     * the new package uses a feature that is not available.
506     * @hide
507     */
508    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
509
510    // ------ Errors related to sdcard
511    /**
512     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
513     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
514     * a secure container mount point couldn't be accessed on external media.
515     * @hide
516     */
517    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
518
519    /**
520     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
521     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
522     * the new package couldn't be installed in the specified install
523     * location.
524     * @hide
525     */
526    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
527
528    /**
529     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
530     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
531     * the new package couldn't be installed in the specified install
532     * location because the media is not available.
533     * @hide
534     */
535    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
536
537    /**
538     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
539     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
540     * the new package couldn't be installed because the verification timed out.
541     * @hide
542     */
543    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
544
545    /**
546     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
547     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
548     * the new package couldn't be installed because the verification did not succeed.
549     * @hide
550     */
551    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
552
553    /**
554     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
555     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
556     * the package changed from what the calling program expected.
557     * @hide
558     */
559    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
560
561    /**
562     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
563     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
564     * the new package is assigned a different UID than it previously held.
565     * @hide
566     */
567    public static final int INSTALL_FAILED_UID_CHANGED = -24;
568
569    /**
570     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
571     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
572     * the new package has an older version code than the currently installed package.
573     * @hide
574     */
575    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
576
577    /**
578     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
579     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
580     * if the parser was given a path that is not a file, or does not end with the expected
581     * '.apk' extension.
582     * @hide
583     */
584    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
585
586    /**
587     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
588     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
589     * if the parser was unable to retrieve the AndroidManifest.xml file.
590     * @hide
591     */
592    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
593
594    /**
595     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
596     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
597     * if the parser encountered an unexpected exception.
598     * @hide
599     */
600    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
601
602    /**
603     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
604     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
605     * if the parser did not find any certificates in the .apk.
606     * @hide
607     */
608    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
609
610    /**
611     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
612     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
613     * if the parser found inconsistent certificates on the files in the .apk.
614     * @hide
615     */
616    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
617
618    /**
619     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
620     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
621     * if the parser encountered a CertificateEncodingException in one of the
622     * files in the .apk.
623     * @hide
624     */
625    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
626
627    /**
628     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
629     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
630     * if the parser encountered a bad or missing package name in the manifest.
631     * @hide
632     */
633    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
634
635    /**
636     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
637     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
638     * if the parser encountered a bad shared user id name in the manifest.
639     * @hide
640     */
641    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
642
643    /**
644     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
645     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
646     * if the parser encountered some structural problem in the manifest.
647     * @hide
648     */
649    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
650
651    /**
652     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
653     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
654     * if the parser did not find any actionable tags (instrumentation or application)
655     * in the manifest.
656     * @hide
657     */
658    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
659
660    /**
661     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
662     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
663     * if the system failed to install the package because of system issues.
664     * @hide
665     */
666    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
667
668    /**
669     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
670     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
671     * if the system failed to install the package because the user is restricted from installing
672     * apps.
673     * @hide
674     */
675    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
676
677    /**
678     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
679     * package's data directory.
680     *
681     * @hide
682     */
683    public static final int DELETE_KEEP_DATA = 0x00000001;
684
685    /**
686     * Flag parameter for {@link #deletePackage} to indicate that you want the
687     * package deleted for all users.
688     *
689     * @hide
690     */
691    public static final int DELETE_ALL_USERS = 0x00000002;
692
693    /**
694     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
695     * uninstall on a system that has been updated, then don't do the normal process
696     * of uninstalling the update and rolling back to the older system version (which
697     * needs to happen for all users); instead, just mark the app as uninstalled for
698     * the current user.
699     *
700     * @hide
701     */
702    public static final int DELETE_SYSTEM_APP = 0x00000004;
703
704    /**
705     * Return code for when package deletion succeeds. This is passed to the
706     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
707     * succeeded in deleting the package.
708     *
709     * @hide
710     */
711    public static final int DELETE_SUCCEEDED = 1;
712
713    /**
714     * Deletion failed return code: this is passed to the
715     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
716     * failed to delete the package for an unspecified reason.
717     *
718     * @hide
719     */
720    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
721
722    /**
723     * Deletion failed return code: this is passed to the
724     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
725     * failed to delete the package because it is the active DevicePolicy
726     * manager.
727     *
728     * @hide
729     */
730    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
731
732    /**
733     * Deletion failed return code: this is passed to the
734     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
735     * failed to delete the package since the user is restricted.
736     *
737     * @hide
738     */
739    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
740
741    /**
742     * Return code that is passed to the {@link IPackageMoveObserver} by
743     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
744     * package has been successfully moved by the system.
745     *
746     * @hide
747     */
748    public static final int MOVE_SUCCEEDED = 1;
749    /**
750     * Error code that is passed to the {@link IPackageMoveObserver} by
751     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
752     * when the package hasn't been successfully moved by the system
753     * because of insufficient memory on specified media.
754     * @hide
755     */
756    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
757
758    /**
759     * Error code that is passed to the {@link IPackageMoveObserver} by
760     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
761     * if the specified package doesn't exist.
762     * @hide
763     */
764    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
765
766    /**
767     * Error code that is passed to the {@link IPackageMoveObserver} by
768     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
769     * if the specified package cannot be moved since its a system package.
770     * @hide
771     */
772    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
773
774    /**
775     * Error code that is passed to the {@link IPackageMoveObserver} by
776     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
777     * if the specified package cannot be moved since its forward locked.
778     * @hide
779     */
780    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
781
782    /**
783     * Error code that is passed to the {@link IPackageMoveObserver} by
784     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
785     * if the specified package cannot be moved to the specified location.
786     * @hide
787     */
788    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
789
790    /**
791     * Error code that is passed to the {@link IPackageMoveObserver} by
792     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
793     * if the specified package cannot be moved to the specified location.
794     * @hide
795     */
796    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
797
798    /**
799     * Error code that is passed to the {@link IPackageMoveObserver} by
800     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
801     * specified package already has an operation pending in the
802     * {@link PackageHandler} queue.
803     *
804     * @hide
805     */
806    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
807
808    /**
809     * Flag parameter for {@link #movePackage} to indicate that
810     * the package should be moved to internal storage if its
811     * been installed on external media.
812     * @hide
813     */
814    public static final int MOVE_INTERNAL = 0x00000001;
815
816    /**
817     * Flag parameter for {@link #movePackage} to indicate that
818     * the package should be moved to external media.
819     * @hide
820     */
821    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
822
823    /**
824     * Usable by the required verifier as the {@code verificationCode} argument
825     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
826     * allow the installation to proceed without any of the optional verifiers
827     * needing to vote.
828     *
829     * @hide
830     */
831    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
832
833    /**
834     * Used as the {@code verificationCode} argument for
835     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
836     * package verifier allows the installation to proceed.
837     */
838    public static final int VERIFICATION_ALLOW = 1;
839
840    /**
841     * Used as the {@code verificationCode} argument for
842     * {@link PackageManager#verifyPendingInstall} to indicate the calling
843     * package verifier does not vote to allow the installation to proceed.
844     */
845    public static final int VERIFICATION_REJECT = -1;
846
847    /**
848     * Can be used as the {@code millisecondsToDelay} argument for
849     * {@link PackageManager#extendVerificationTimeout}. This is the
850     * maximum time {@code PackageManager} waits for the verification
851     * agent to return (in milliseconds).
852     */
853    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
854
855    /**
856     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
857     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
858     * lag in sound input or output.
859     */
860    @SdkConstant(SdkConstantType.FEATURE)
861    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
862
863    /**
864     * Feature for {@link #getSystemAvailableFeatures} and
865     * {@link #hasSystemFeature}: The device is capable of communicating with
866     * other devices via Bluetooth.
867     */
868    @SdkConstant(SdkConstantType.FEATURE)
869    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
870
871    /**
872     * Feature for {@link #getSystemAvailableFeatures} and
873     * {@link #hasSystemFeature}: The device is capable of communicating with
874     * other devices via Bluetooth Low Energy radio.
875     */
876    @SdkConstant(SdkConstantType.FEATURE)
877    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
878
879    /**
880     * Feature for {@link #getSystemAvailableFeatures} and
881     * {@link #hasSystemFeature}: The device has a camera facing away
882     * from the screen.
883     */
884    @SdkConstant(SdkConstantType.FEATURE)
885    public static final String FEATURE_CAMERA = "android.hardware.camera";
886
887    /**
888     * Feature for {@link #getSystemAvailableFeatures} and
889     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
890     */
891    @SdkConstant(SdkConstantType.FEATURE)
892    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
893
894    /**
895     * Feature for {@link #getSystemAvailableFeatures} and
896     * {@link #hasSystemFeature}: The device has at least one camera pointing in
897     * some direction.
898     */
899    @SdkConstant(SdkConstantType.FEATURE)
900    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
901
902    /**
903     * Feature for {@link #getSystemAvailableFeatures} and
904     * {@link #hasSystemFeature}: The device's camera supports flash.
905     */
906    @SdkConstant(SdkConstantType.FEATURE)
907    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
908
909    /**
910     * Feature for {@link #getSystemAvailableFeatures} and
911     * {@link #hasSystemFeature}: The device has a front facing camera.
912     */
913    @SdkConstant(SdkConstantType.FEATURE)
914    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
915
916    /**
917     * Feature for {@link #getSystemAvailableFeatures} and
918     * {@link #hasSystemFeature}: The device is capable of communicating with
919     * consumer IR devices.
920     */
921    @SdkConstant(SdkConstantType.FEATURE)
922    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
923
924    /**
925     * Feature for {@link #getSystemAvailableFeatures} and
926     * {@link #hasSystemFeature}: The device supports one or more methods of
927     * reporting current location.
928     */
929    @SdkConstant(SdkConstantType.FEATURE)
930    public static final String FEATURE_LOCATION = "android.hardware.location";
931
932    /**
933     * Feature for {@link #getSystemAvailableFeatures} and
934     * {@link #hasSystemFeature}: The device has a Global Positioning System
935     * receiver and can report precise location.
936     */
937    @SdkConstant(SdkConstantType.FEATURE)
938    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
939
940    /**
941     * Feature for {@link #getSystemAvailableFeatures} and
942     * {@link #hasSystemFeature}: The device can report location with coarse
943     * accuracy using a network-based geolocation system.
944     */
945    @SdkConstant(SdkConstantType.FEATURE)
946    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
947
948    /**
949     * Feature for {@link #getSystemAvailableFeatures} and
950     * {@link #hasSystemFeature}: The device can record audio via a
951     * microphone.
952     */
953    @SdkConstant(SdkConstantType.FEATURE)
954    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
955
956    /**
957     * Feature for {@link #getSystemAvailableFeatures} and
958     * {@link #hasSystemFeature}: The device can communicate using Near-Field
959     * Communications (NFC).
960     */
961    @SdkConstant(SdkConstantType.FEATURE)
962    public static final String FEATURE_NFC = "android.hardware.nfc";
963
964    /**
965     * Feature for {@link #getSystemAvailableFeatures} and
966     * {@link #hasSystemFeature}: The device supports host-
967     * based NFC card emulation.
968     *
969     * TODO remove when depending apps have moved to new constant.
970     * @hide
971     * @deprecated
972     */
973    @Deprecated
974    @SdkConstant(SdkConstantType.FEATURE)
975    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
976
977    /**
978     * Feature for {@link #getSystemAvailableFeatures} and
979     * {@link #hasSystemFeature}: The device supports host-
980     * based NFC card emulation.
981     */
982    @SdkConstant(SdkConstantType.FEATURE)
983    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
984
985    /**
986     * Feature for {@link #getSystemAvailableFeatures} and
987     * {@link #hasSystemFeature}: The device includes an accelerometer.
988     */
989    @SdkConstant(SdkConstantType.FEATURE)
990    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
991
992    /**
993     * Feature for {@link #getSystemAvailableFeatures} and
994     * {@link #hasSystemFeature}: The device includes a barometer (air
995     * pressure sensor.)
996     */
997    @SdkConstant(SdkConstantType.FEATURE)
998    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
999
1000    /**
1001     * Feature for {@link #getSystemAvailableFeatures} and
1002     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1003     */
1004    @SdkConstant(SdkConstantType.FEATURE)
1005    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1006
1007    /**
1008     * Feature for {@link #getSystemAvailableFeatures} and
1009     * {@link #hasSystemFeature}: The device includes a gyroscope.
1010     */
1011    @SdkConstant(SdkConstantType.FEATURE)
1012    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1013
1014    /**
1015     * Feature for {@link #getSystemAvailableFeatures} and
1016     * {@link #hasSystemFeature}: The device includes a light sensor.
1017     */
1018    @SdkConstant(SdkConstantType.FEATURE)
1019    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1020
1021    /**
1022     * Feature for {@link #getSystemAvailableFeatures} and
1023     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1024     */
1025    @SdkConstant(SdkConstantType.FEATURE)
1026    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1027
1028    /**
1029     * Feature for {@link #getSystemAvailableFeatures} and
1030     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1031     */
1032    @SdkConstant(SdkConstantType.FEATURE)
1033    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1034
1035    /**
1036     * Feature for {@link #getSystemAvailableFeatures} and
1037     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1038     */
1039    @SdkConstant(SdkConstantType.FEATURE)
1040    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1041
1042    /**
1043     * Feature for {@link #getSystemAvailableFeatures} and
1044     * {@link #hasSystemFeature}: The device has a telephony radio with data
1045     * communication support.
1046     */
1047    @SdkConstant(SdkConstantType.FEATURE)
1048    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1049
1050    /**
1051     * Feature for {@link #getSystemAvailableFeatures} and
1052     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1053     */
1054    @SdkConstant(SdkConstantType.FEATURE)
1055    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1056
1057    /**
1058     * Feature for {@link #getSystemAvailableFeatures} and
1059     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1060     */
1061    @SdkConstant(SdkConstantType.FEATURE)
1062    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1063
1064    /**
1065     * Feature for {@link #getSystemAvailableFeatures} and
1066     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1067     * as the USB host.
1068     */
1069    @SdkConstant(SdkConstantType.FEATURE)
1070    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1071
1072    /**
1073     * Feature for {@link #getSystemAvailableFeatures} and
1074     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1075     */
1076    @SdkConstant(SdkConstantType.FEATURE)
1077    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1078
1079    /**
1080     * Feature for {@link #getSystemAvailableFeatures} and
1081     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1082     */
1083    @SdkConstant(SdkConstantType.FEATURE)
1084    public static final String FEATURE_SIP = "android.software.sip";
1085
1086    /**
1087     * Feature for {@link #getSystemAvailableFeatures} and
1088     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1089     */
1090    @SdkConstant(SdkConstantType.FEATURE)
1091    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1092
1093    /**
1094     * Feature for {@link #getSystemAvailableFeatures} and
1095     * {@link #hasSystemFeature}: The device's display has a touch screen.
1096     */
1097    @SdkConstant(SdkConstantType.FEATURE)
1098    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1099
1100
1101    /**
1102     * Feature for {@link #getSystemAvailableFeatures} and
1103     * {@link #hasSystemFeature}: The device's touch screen supports
1104     * multitouch sufficient for basic two-finger gesture detection.
1105     */
1106    @SdkConstant(SdkConstantType.FEATURE)
1107    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1108
1109    /**
1110     * Feature for {@link #getSystemAvailableFeatures} and
1111     * {@link #hasSystemFeature}: The device's touch screen is capable of
1112     * tracking two or more fingers fully independently.
1113     */
1114    @SdkConstant(SdkConstantType.FEATURE)
1115    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1116
1117    /**
1118     * Feature for {@link #getSystemAvailableFeatures} and
1119     * {@link #hasSystemFeature}: The device's touch screen is capable of
1120     * tracking a full hand of fingers fully independently -- that is, 5 or
1121     * more simultaneous independent pointers.
1122     */
1123    @SdkConstant(SdkConstantType.FEATURE)
1124    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1125
1126    /**
1127     * Feature for {@link #getSystemAvailableFeatures} and
1128     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1129     * does support touch emulation for basic events. For instance, the
1130     * device might use a mouse or remote control to drive a cursor, and
1131     * emulate basic touch pointer events like down, up, drag, etc. All
1132     * devices that support android.hardware.touchscreen or a sub-feature are
1133     * presumed to also support faketouch.
1134     */
1135    @SdkConstant(SdkConstantType.FEATURE)
1136    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1137
1138    /**
1139     * Feature for {@link #getSystemAvailableFeatures} and
1140     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1141     * does support touch emulation for basic events that supports distinct
1142     * tracking of two or more fingers.  This is an extension of
1143     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1144     * that unlike a distinct multitouch screen as defined by
1145     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1146     * devices will not actually provide full two-finger gestures since the
1147     * input is being transformed to cursor movement on the screen.  That is,
1148     * single finger gestures will move a cursor; two-finger swipes will
1149     * result in single-finger touch events; other two-finger gestures will
1150     * result in the corresponding two-finger touch event.
1151     */
1152    @SdkConstant(SdkConstantType.FEATURE)
1153    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1154
1155    /**
1156     * Feature for {@link #getSystemAvailableFeatures} and
1157     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1158     * does support touch emulation for basic events that supports tracking
1159     * a hand of fingers (5 or more fingers) fully independently.
1160     * This is an extension of
1161     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1162     * that unlike a multitouch screen as defined by
1163     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1164     * gestures can be detected due to the limitations described for
1165     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1166     */
1167    @SdkConstant(SdkConstantType.FEATURE)
1168    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1169
1170    /**
1171     * Feature for {@link #getSystemAvailableFeatures} and
1172     * {@link #hasSystemFeature}: The device supports portrait orientation
1173     * screens.  For backwards compatibility, you can assume that if neither
1174     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1175     * both portrait and landscape.
1176     */
1177    @SdkConstant(SdkConstantType.FEATURE)
1178    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1179
1180    /**
1181     * Feature for {@link #getSystemAvailableFeatures} and
1182     * {@link #hasSystemFeature}: The device supports landscape orientation
1183     * screens.  For backwards compatibility, you can assume that if neither
1184     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1185     * both portrait and landscape.
1186     */
1187    @SdkConstant(SdkConstantType.FEATURE)
1188    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1189
1190    /**
1191     * Feature for {@link #getSystemAvailableFeatures} and
1192     * {@link #hasSystemFeature}: The device supports live wallpapers.
1193     */
1194    @SdkConstant(SdkConstantType.FEATURE)
1195    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1196
1197    /**
1198     * Feature for {@link #getSystemAvailableFeatures} and
1199     * {@link #hasSystemFeature}: The device supports app widgets.
1200     */
1201    @SdkConstant(SdkConstantType.FEATURE)
1202    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1203
1204    /**
1205     * Feature for {@link #getSystemAvailableFeatures} and
1206     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1207     * by third party applications.
1208     */
1209    @SdkConstant(SdkConstantType.FEATURE)
1210    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1211
1212    /**
1213     * Feature for {@link #getSystemAvailableFeatures} and
1214     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1215     * with the {@link android.inputmethodservice.InputMethodService} API.
1216     */
1217    @SdkConstant(SdkConstantType.FEATURE)
1218    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1219
1220    /**
1221     * Feature for {@link #getSystemAvailableFeatures} and
1222     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1223     */
1224    @SdkConstant(SdkConstantType.FEATURE)
1225    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1226
1227    /**
1228     * Feature for {@link #getSystemAvailableFeatures} and
1229     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1230     * typically used in a living room television experience, but is a software
1231     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1232     * feature will use resources associated with the "television" UI mode.
1233     * @hide
1234     */
1235    @SdkConstant(SdkConstantType.FEATURE)
1236    public static final String FEATURE_LEANBACK = "android.software.leanback";
1237
1238    /**
1239     * Feature for {@link #getSystemAvailableFeatures} and
1240     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1241     * applications designed for this experience should be run, though this is
1242     * not enforced by the system.
1243     * @hide
1244     */
1245    @SdkConstant(SdkConstantType.FEATURE)
1246    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1247
1248    /**
1249     * Feature for {@link #getSystemAvailableFeatures} and
1250     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1251     */
1252    @SdkConstant(SdkConstantType.FEATURE)
1253    public static final String FEATURE_WIFI = "android.hardware.wifi";
1254
1255    /**
1256     * Feature for {@link #getSystemAvailableFeatures} and
1257     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1258     */
1259    @SdkConstant(SdkConstantType.FEATURE)
1260    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1261
1262    /**
1263     * Feature for {@link #getSystemAvailableFeatures} and
1264     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1265     * on a television.  Television here is defined to be a typical living
1266     * room television experience: displayed on a big screen, where the user
1267     * is sitting far away from it, and the dominant form of input will be
1268     * something like a DPAD, not through touch or mouse.
1269     */
1270    @SdkConstant(SdkConstantType.FEATURE)
1271    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1272
1273    /**
1274     * Feature for {@link #getSystemAvailableFeatures} and
1275     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1276     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1277     * the wrist. The user is very close when interacting with the device.
1278     */
1279    @SdkConstant(SdkConstantType.FEATURE)
1280    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1281
1282    /**
1283     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1284     * The device supports printing.
1285     */
1286    @SdkConstant(SdkConstantType.FEATURE)
1287    public static final String FEATURE_PRINTING = "android.software.print";
1288
1289    /**
1290     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1291     * The device can perform backup and restore operations on installed applications.
1292     */
1293    @SdkConstant(SdkConstantType.FEATURE)
1294    public static final String FEATURE_BACKUP = "android.software.backup";
1295
1296    /**
1297     * Action to external storage service to clean out removed apps.
1298     * @hide
1299     */
1300    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1301            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1302
1303    /**
1304     * Extra field name for the URI to a verification file. Passed to a package
1305     * verifier.
1306     *
1307     * @hide
1308     */
1309    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1310
1311    /**
1312     * Extra field name for the ID of a package pending verification. Passed to
1313     * a package verifier and is used to call back to
1314     * {@link PackageManager#verifyPendingInstall(int, int)}
1315     */
1316    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1317
1318    /**
1319     * Extra field name for the package identifier which is trying to install
1320     * the package.
1321     *
1322     * @hide
1323     */
1324    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1325            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1326
1327    /**
1328     * Extra field name for the requested install flags for a package pending
1329     * verification. Passed to a package verifier.
1330     *
1331     * @hide
1332     */
1333    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1334            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1335
1336    /**
1337     * Extra field name for the uid of who is requesting to install
1338     * the package.
1339     *
1340     * @hide
1341     */
1342    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1343            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1344
1345    /**
1346     * Extra field name for the package name of a package pending verification.
1347     *
1348     * @hide
1349     */
1350    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1351            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1352    /**
1353     * Extra field name for the result of a verification, either
1354     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1355     * Passed to package verifiers after a package is verified.
1356     */
1357    public static final String EXTRA_VERIFICATION_RESULT
1358            = "android.content.pm.extra.VERIFICATION_RESULT";
1359
1360    /**
1361     * Extra field name for the version code of a package pending verification.
1362     *
1363     * @hide
1364     */
1365    public static final String EXTRA_VERIFICATION_VERSION_CODE
1366            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1367
1368    /**
1369     * The action used to request that the user approve a permission request
1370     * from the application.
1371     *
1372     * @hide
1373     */
1374    public static final String ACTION_REQUEST_PERMISSION
1375            = "android.content.pm.action.REQUEST_PERMISSION";
1376
1377    /**
1378     * Extra field name for the list of permissions, which the user must approve.
1379     *
1380     * @hide
1381     */
1382    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1383            = "android.content.pm.extra.PERMISSION_LIST";
1384
1385    /**
1386     * Retrieve overall information about an application package that is
1387     * installed on the system.
1388     * <p>
1389     * Throws {@link NameNotFoundException} if a package with the given name can
1390     * not be found on the system.
1391     *
1392     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1393     *            desired package.
1394     * @param flags Additional option flags. Use any combination of
1395     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1396     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1397     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1398     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1399     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1400     *            modify the data returned.
1401     * @return Returns a PackageInfo object containing information about the
1402     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1403     *         package is not found in the list of installed applications, the
1404     *         package information is retrieved from the list of uninstalled
1405     *         applications (which includes installed applications as well as
1406     *         applications with data directory i.e. applications which had been
1407     *         deleted with {@code DONT_DELETE_DATA} flag set).
1408     * @see #GET_ACTIVITIES
1409     * @see #GET_GIDS
1410     * @see #GET_CONFIGURATIONS
1411     * @see #GET_INSTRUMENTATION
1412     * @see #GET_PERMISSIONS
1413     * @see #GET_PROVIDERS
1414     * @see #GET_RECEIVERS
1415     * @see #GET_SERVICES
1416     * @see #GET_SIGNATURES
1417     * @see #GET_UNINSTALLED_PACKAGES
1418     */
1419    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1420            throws NameNotFoundException;
1421
1422    /**
1423     * Map from the current package names in use on the device to whatever
1424     * the current canonical name of that package is.
1425     * @param names Array of current names to be mapped.
1426     * @return Returns an array of the same size as the original, containing
1427     * the canonical name for each package.
1428     */
1429    public abstract String[] currentToCanonicalPackageNames(String[] names);
1430
1431    /**
1432     * Map from a packages canonical name to the current name in use on the device.
1433     * @param names Array of new names to be mapped.
1434     * @return Returns an array of the same size as the original, containing
1435     * the current name for each package.
1436     */
1437    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1438
1439    /**
1440     * Return a "good" intent to launch a front-door activity in a package,
1441     * for use for example to implement an "open" button when browsing through
1442     * packages.  The current implementation will look first for a main
1443     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1444     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1445     * null if neither are found.
1446     *
1447     * <p>Throws {@link NameNotFoundException} if a package with the given
1448     * name cannot be found on the system.
1449     *
1450     * @param packageName The name of the package to inspect.
1451     *
1452     * @return Returns either a fully-qualified Intent that can be used to
1453     * launch the main activity in the package, or null if the package does
1454     * not contain such an activity.
1455     */
1456    public abstract Intent getLaunchIntentForPackage(String packageName);
1457
1458    /**
1459     * @hide Return a "good" intent to launch a front-door Leanback activity in a
1460     * package, for use for example to implement an "open" button when browsing
1461     * through packages. The current implementation will look for a main
1462     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
1463     * return null if no main leanback activities are found.
1464     * <p>
1465     * Throws {@link NameNotFoundException} if a package with the given name
1466     * cannot be found on the system.
1467     *
1468     * @param packageName The name of the package to inspect.
1469     * @return Returns either a fully-qualified Intent that can be used to launch
1470     *         the main Leanback activity in the package, or null if the package
1471     *         does not contain such an activity.
1472     */
1473    public abstract Intent getLeanbackLaunchIntentForPackage(String packageName);
1474
1475    /**
1476     * Return an array of all of the secondary group-ids that have been assigned
1477     * to a package.
1478     * <p>
1479     * Throws {@link NameNotFoundException} if a package with the given name
1480     * cannot be found on the system.
1481     *
1482     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1483     *            desired package.
1484     * @return Returns an int array of the assigned gids, or null if there are
1485     *         none.
1486     */
1487    public abstract int[] getPackageGids(String packageName)
1488            throws NameNotFoundException;
1489
1490    /**
1491     * @hide Return the uid associated with the given package name for the
1492     * given user.
1493     *
1494     * <p>Throws {@link NameNotFoundException} if a package with the given
1495     * name can not be found on the system.
1496     *
1497     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1498     *                    desired package.
1499     * @param userHandle The user handle identifier to look up the package under.
1500     *
1501     * @return Returns an integer uid who owns the given package name.
1502     */
1503    public abstract int getPackageUid(String packageName, int userHandle)
1504            throws NameNotFoundException;
1505
1506    /**
1507     * Retrieve all of the information we know about a particular permission.
1508     *
1509     * <p>Throws {@link NameNotFoundException} if a permission with the given
1510     * name cannot be found on the system.
1511     *
1512     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1513     *             of the permission you are interested in.
1514     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1515     * retrieve any meta-data associated with the permission.
1516     *
1517     * @return Returns a {@link PermissionInfo} containing information about the
1518     *         permission.
1519     */
1520    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1521            throws NameNotFoundException;
1522
1523    /**
1524     * Query for all of the permissions associated with a particular group.
1525     *
1526     * <p>Throws {@link NameNotFoundException} if the given group does not
1527     * exist.
1528     *
1529     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1530     *             of the permission group you are interested in.  Use null to
1531     *             find all of the permissions not associated with a group.
1532     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1533     * retrieve any meta-data associated with the permissions.
1534     *
1535     * @return Returns a list of {@link PermissionInfo} containing information
1536     * about all of the permissions in the given group.
1537     */
1538    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1539            int flags) throws NameNotFoundException;
1540
1541    /**
1542     * Retrieve all of the information we know about a particular group of
1543     * permissions.
1544     *
1545     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1546     * name cannot be found on the system.
1547     *
1548     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1549     *             of the permission you are interested in.
1550     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1551     * retrieve any meta-data associated with the permission group.
1552     *
1553     * @return Returns a {@link PermissionGroupInfo} containing information
1554     * about the permission.
1555     */
1556    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1557            int flags) throws NameNotFoundException;
1558
1559    /**
1560     * Retrieve all of the known permission groups in the system.
1561     *
1562     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1563     * retrieve any meta-data associated with the permission group.
1564     *
1565     * @return Returns a list of {@link PermissionGroupInfo} containing
1566     * information about all of the known permission groups.
1567     */
1568    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1569
1570    /**
1571     * Retrieve all of the information we know about a particular
1572     * package/application.
1573     *
1574     * <p>Throws {@link NameNotFoundException} if an application with the given
1575     * package name cannot be found on the system.
1576     *
1577     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1578     *                    application.
1579     * @param flags Additional option flags. Use any combination of
1580     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1581     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1582     *
1583     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1584     *         information about the package.
1585     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1586     *         found in the list of installed applications,
1587     *         the application information is retrieved from the
1588     *         list of uninstalled applications(which includes
1589     *         installed applications as well as applications
1590     *         with data directory ie applications which had been
1591     *         deleted with {@code DONT_DELETE_DATA} flag set).
1592     *
1593     * @see #GET_META_DATA
1594     * @see #GET_SHARED_LIBRARY_FILES
1595     * @see #GET_UNINSTALLED_PACKAGES
1596     */
1597    public abstract ApplicationInfo getApplicationInfo(String packageName,
1598            int flags) throws NameNotFoundException;
1599
1600    /**
1601     * Retrieve all of the information we know about a particular activity
1602     * class.
1603     *
1604     * <p>Throws {@link NameNotFoundException} if an activity with the given
1605     * class name cannot be found on the system.
1606     *
1607     * @param component The full component name (i.e.
1608     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1609     * class.
1610     * @param flags Additional option flags. Use any combination of
1611     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1612     * to modify the data (in ApplicationInfo) returned.
1613     *
1614     * @return {@link ActivityInfo} containing information about the activity.
1615     *
1616     * @see #GET_INTENT_FILTERS
1617     * @see #GET_META_DATA
1618     * @see #GET_SHARED_LIBRARY_FILES
1619     */
1620    public abstract ActivityInfo getActivityInfo(ComponentName component,
1621            int flags) throws NameNotFoundException;
1622
1623    /**
1624     * Retrieve all of the information we know about a particular receiver
1625     * class.
1626     *
1627     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1628     * class name cannot be found on the system.
1629     *
1630     * @param component The full component name (i.e.
1631     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1632     * class.
1633     * @param flags Additional option flags.  Use any combination of
1634     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1635     * to modify the data returned.
1636     *
1637     * @return {@link ActivityInfo} containing information about the receiver.
1638     *
1639     * @see #GET_INTENT_FILTERS
1640     * @see #GET_META_DATA
1641     * @see #GET_SHARED_LIBRARY_FILES
1642     */
1643    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1644            int flags) throws NameNotFoundException;
1645
1646    /**
1647     * Retrieve all of the information we know about a particular service
1648     * class.
1649     *
1650     * <p>Throws {@link NameNotFoundException} if a service with the given
1651     * class name cannot be found on the system.
1652     *
1653     * @param component The full component name (i.e.
1654     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1655     * class.
1656     * @param flags Additional option flags.  Use any combination of
1657     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1658     * to modify the data returned.
1659     *
1660     * @return ServiceInfo containing information about the service.
1661     *
1662     * @see #GET_META_DATA
1663     * @see #GET_SHARED_LIBRARY_FILES
1664     */
1665    public abstract ServiceInfo getServiceInfo(ComponentName component,
1666            int flags) throws NameNotFoundException;
1667
1668    /**
1669     * Retrieve all of the information we know about a particular content
1670     * provider class.
1671     *
1672     * <p>Throws {@link NameNotFoundException} if a provider 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.providers.media/com.google.providers.media.MediaProvider) of a
1677     * ContentProvider 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 returned.
1681     *
1682     * @return ProviderInfo containing information about the service.
1683     *
1684     * @see #GET_META_DATA
1685     * @see #GET_SHARED_LIBRARY_FILES
1686     */
1687    public abstract ProviderInfo getProviderInfo(ComponentName component,
1688            int flags) throws NameNotFoundException;
1689
1690    /**
1691     * Return a List of all packages that are installed
1692     * on the device.
1693     *
1694     * @param flags Additional option flags. Use any combination of
1695     * {@link #GET_ACTIVITIES},
1696     * {@link #GET_GIDS},
1697     * {@link #GET_CONFIGURATIONS},
1698     * {@link #GET_INSTRUMENTATION},
1699     * {@link #GET_PERMISSIONS},
1700     * {@link #GET_PROVIDERS},
1701     * {@link #GET_RECEIVERS},
1702     * {@link #GET_SERVICES},
1703     * {@link #GET_SIGNATURES},
1704     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1705     *
1706     * @return A List of PackageInfo objects, one for each package that is
1707     *         installed on the device.  In the unlikely case of there being no
1708     *         installed packages, an empty list is returned.
1709     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1710     *         applications including those deleted with {@code DONT_DELETE_DATA}
1711     *         (partially installed apps with data directory) will be returned.
1712     *
1713     * @see #GET_ACTIVITIES
1714     * @see #GET_GIDS
1715     * @see #GET_CONFIGURATIONS
1716     * @see #GET_INSTRUMENTATION
1717     * @see #GET_PERMISSIONS
1718     * @see #GET_PROVIDERS
1719     * @see #GET_RECEIVERS
1720     * @see #GET_SERVICES
1721     * @see #GET_SIGNATURES
1722     * @see #GET_UNINSTALLED_PACKAGES
1723     */
1724    public abstract List<PackageInfo> getInstalledPackages(int flags);
1725
1726    /**
1727     * Return a List of all installed packages that are currently
1728     * holding any of the given permissions.
1729     *
1730     * @param flags Additional option flags. Use any combination of
1731     * {@link #GET_ACTIVITIES},
1732     * {@link #GET_GIDS},
1733     * {@link #GET_CONFIGURATIONS},
1734     * {@link #GET_INSTRUMENTATION},
1735     * {@link #GET_PERMISSIONS},
1736     * {@link #GET_PROVIDERS},
1737     * {@link #GET_RECEIVERS},
1738     * {@link #GET_SERVICES},
1739     * {@link #GET_SIGNATURES},
1740     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1741     *
1742     * @return Returns a List of PackageInfo objects, one for each installed
1743     * application that is holding any of the permissions that were provided.
1744     *
1745     * @see #GET_ACTIVITIES
1746     * @see #GET_GIDS
1747     * @see #GET_CONFIGURATIONS
1748     * @see #GET_INSTRUMENTATION
1749     * @see #GET_PERMISSIONS
1750     * @see #GET_PROVIDERS
1751     * @see #GET_RECEIVERS
1752     * @see #GET_SERVICES
1753     * @see #GET_SIGNATURES
1754     * @see #GET_UNINSTALLED_PACKAGES
1755     */
1756    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1757            String[] permissions, int flags);
1758
1759    /**
1760     * Return a List of all packages that are installed on the device, for a specific user.
1761     * Requesting a list of installed packages for another user
1762     * will require the permission INTERACT_ACROSS_USERS_FULL.
1763     * @param flags Additional option flags. Use any combination of
1764     * {@link #GET_ACTIVITIES},
1765     * {@link #GET_GIDS},
1766     * {@link #GET_CONFIGURATIONS},
1767     * {@link #GET_INSTRUMENTATION},
1768     * {@link #GET_PERMISSIONS},
1769     * {@link #GET_PROVIDERS},
1770     * {@link #GET_RECEIVERS},
1771     * {@link #GET_SERVICES},
1772     * {@link #GET_SIGNATURES},
1773     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1774     * @param userId The user for whom the installed packages are to be listed
1775     *
1776     * @return A List of PackageInfo objects, one for each package that is
1777     *         installed on the device.  In the unlikely case of there being no
1778     *         installed packages, an empty list is returned.
1779     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1780     *         applications including those deleted with {@code DONT_DELETE_DATA}
1781     *         (partially installed apps with data directory) will be returned.
1782     *
1783     * @see #GET_ACTIVITIES
1784     * @see #GET_GIDS
1785     * @see #GET_CONFIGURATIONS
1786     * @see #GET_INSTRUMENTATION
1787     * @see #GET_PERMISSIONS
1788     * @see #GET_PROVIDERS
1789     * @see #GET_RECEIVERS
1790     * @see #GET_SERVICES
1791     * @see #GET_SIGNATURES
1792     * @see #GET_UNINSTALLED_PACKAGES
1793     *
1794     * @hide
1795     */
1796    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1797
1798    /**
1799     * Check whether a particular package has been granted a particular
1800     * permission.
1801     *
1802     * @param permName The name of the permission you are checking for,
1803     * @param pkgName The name of the package you are checking against.
1804     *
1805     * @return If the package has the permission, PERMISSION_GRANTED is
1806     * returned.  If it does not have the permission, PERMISSION_DENIED
1807     * is returned.
1808     *
1809     * @see #PERMISSION_GRANTED
1810     * @see #PERMISSION_DENIED
1811     */
1812    public abstract int checkPermission(String permName, String pkgName);
1813
1814    /**
1815     * Add a new dynamic permission to the system.  For this to work, your
1816     * package must have defined a permission tree through the
1817     * {@link android.R.styleable#AndroidManifestPermissionTree
1818     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1819     * permissions to trees that were defined by either its own package or
1820     * another with the same user id; a permission is in a tree if it
1821     * matches the name of the permission tree + ".": for example,
1822     * "com.foo.bar" is a member of the permission tree "com.foo".
1823     *
1824     * <p>It is good to make your permission tree name descriptive, because you
1825     * are taking possession of that entire set of permission names.  Thus, it
1826     * must be under a domain you control, with a suffix that will not match
1827     * any normal permissions that may be declared in any applications that
1828     * are part of that domain.
1829     *
1830     * <p>New permissions must be added before
1831     * any .apks are installed that use those permissions.  Permissions you
1832     * add through this method are remembered across reboots of the device.
1833     * If the given permission already exists, the info you supply here
1834     * will be used to update it.
1835     *
1836     * @param info Description of the permission to be added.
1837     *
1838     * @return Returns true if a new permission was created, false if an
1839     * existing one was updated.
1840     *
1841     * @throws SecurityException if you are not allowed to add the
1842     * given permission name.
1843     *
1844     * @see #removePermission(String)
1845     */
1846    public abstract boolean addPermission(PermissionInfo info);
1847
1848    /**
1849     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1850     * persists the package manager state after returning from the call,
1851     * allowing it to return quicker and batch a series of adds at the
1852     * expense of no guarantee the added permission will be retained if
1853     * the device is rebooted before it is written.
1854     */
1855    public abstract boolean addPermissionAsync(PermissionInfo info);
1856
1857    /**
1858     * Removes a permission that was previously added with
1859     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1860     * -- you are only allowed to remove permissions that you are allowed
1861     * to add.
1862     *
1863     * @param name The name of the permission to remove.
1864     *
1865     * @throws SecurityException if you are not allowed to remove the
1866     * given permission name.
1867     *
1868     * @see #addPermission(PermissionInfo)
1869     */
1870    public abstract void removePermission(String name);
1871
1872    /**
1873     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1874     * which prompts the user to grant {@code permissions} to this application.
1875     * @hide
1876     *
1877     * @throws NullPointerException if {@code permissions} is {@code null}.
1878     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1879     */
1880    public Intent buildPermissionRequestIntent(String... permissions) {
1881        if (permissions == null) {
1882            throw new NullPointerException("permissions cannot be null");
1883        }
1884        for (String permission : permissions) {
1885            if (permission == null) {
1886                throw new IllegalArgumentException("permissions cannot contain null");
1887            }
1888        }
1889
1890        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1891        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1892        i.setPackage("com.android.packageinstaller");
1893        return i;
1894    }
1895
1896    /**
1897     * Grant a permission to an application which the application does not
1898     * already have.  The permission must have been requested by the application,
1899     * but as an optional permission.  If the application is not allowed to
1900     * hold the permission, a SecurityException is thrown.
1901     * @hide
1902     *
1903     * @param packageName The name of the package that the permission will be
1904     * granted to.
1905     * @param permissionName The name of the permission.
1906     */
1907    public abstract void grantPermission(String packageName, String permissionName);
1908
1909    /**
1910     * Revoke a permission that was previously granted by {@link #grantPermission}.
1911     * @hide
1912     *
1913     * @param packageName The name of the package that the permission will be
1914     * granted to.
1915     * @param permissionName The name of the permission.
1916     */
1917    public abstract void revokePermission(String packageName, String permissionName);
1918
1919    /**
1920     * Compare the signatures of two packages to determine if the same
1921     * signature appears in both of them.  If they do contain the same
1922     * signature, then they are allowed special privileges when working
1923     * with each other: they can share the same user-id, run instrumentation
1924     * against each other, etc.
1925     *
1926     * @param pkg1 First package name whose signature will be compared.
1927     * @param pkg2 Second package name whose signature will be compared.
1928     *
1929     * @return Returns an integer indicating whether all signatures on the
1930     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1931     * all signatures match or < 0 if there is not a match ({@link
1932     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1933     *
1934     * @see #checkSignatures(int, int)
1935     * @see #SIGNATURE_MATCH
1936     * @see #SIGNATURE_NO_MATCH
1937     * @see #SIGNATURE_UNKNOWN_PACKAGE
1938     */
1939    public abstract int checkSignatures(String pkg1, String pkg2);
1940
1941    /**
1942     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
1943     * the two packages to be checked.  This can be useful, for example,
1944     * when doing the check in an IPC, where the UID is the only identity
1945     * available.  It is functionally identical to determining the package
1946     * associated with the UIDs and checking their signatures.
1947     *
1948     * @param uid1 First UID whose signature will be compared.
1949     * @param uid2 Second UID whose signature will be compared.
1950     *
1951     * @return Returns an integer indicating whether all signatures on the
1952     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1953     * all signatures match or < 0 if there is not a match ({@link
1954     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1955     *
1956     * @see #checkSignatures(String, String)
1957     * @see #SIGNATURE_MATCH
1958     * @see #SIGNATURE_NO_MATCH
1959     * @see #SIGNATURE_UNKNOWN_PACKAGE
1960     */
1961    public abstract int checkSignatures(int uid1, int uid2);
1962
1963    /**
1964     * Retrieve the names of all packages that are associated with a particular
1965     * user id.  In most cases, this will be a single package name, the package
1966     * that has been assigned that user id.  Where there are multiple packages
1967     * sharing the same user id through the "sharedUserId" mechanism, all
1968     * packages with that id will be returned.
1969     *
1970     * @param uid The user id for which you would like to retrieve the
1971     * associated packages.
1972     *
1973     * @return Returns an array of one or more packages assigned to the user
1974     * id, or null if there are no known packages with the given id.
1975     */
1976    public abstract String[] getPackagesForUid(int uid);
1977
1978    /**
1979     * Retrieve the official name associated with a user id.  This name is
1980     * guaranteed to never change, though it is possibly for the underlying
1981     * user id to be changed.  That is, if you are storing information about
1982     * user ids in persistent storage, you should use the string returned
1983     * by this function instead of the raw user-id.
1984     *
1985     * @param uid The user id for which you would like to retrieve a name.
1986     * @return Returns a unique name for the given user id, or null if the
1987     * user id is not currently assigned.
1988     */
1989    public abstract String getNameForUid(int uid);
1990
1991    /**
1992     * Return the user id associated with a shared user name. Multiple
1993     * applications can specify a shared user name in their manifest and thus
1994     * end up using a common uid. This might be used for new applications
1995     * that use an existing shared user name and need to know the uid of the
1996     * shared user.
1997     *
1998     * @param sharedUserName The shared user name whose uid is to be retrieved.
1999     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2000     * if the shared user name is not being used by any installed packages
2001     * @hide
2002     */
2003    public abstract int getUidForSharedUser(String sharedUserName)
2004            throws NameNotFoundException;
2005
2006    /**
2007     * Return a List of all application packages that are installed on the
2008     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2009     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2010     * installed apps with data directory) will be returned.
2011     *
2012     * @param flags Additional option flags. Use any combination of
2013     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2014     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2015     *
2016     * @return Returns a List of ApplicationInfo objects, one for each application that
2017     *         is installed on the device.  In the unlikely case of there being
2018     *         no installed applications, an empty list is returned.
2019     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2020     *         applications including those deleted with {@code DONT_DELETE_DATA}
2021     *         (partially installed apps with data directory) will be returned.
2022     *
2023     * @see #GET_META_DATA
2024     * @see #GET_SHARED_LIBRARY_FILES
2025     * @see #GET_UNINSTALLED_PACKAGES
2026     */
2027    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2028
2029    /**
2030     * Get a list of shared libraries that are available on the
2031     * system.
2032     *
2033     * @return An array of shared library names that are
2034     * available on the system, or null if none are installed.
2035     *
2036     */
2037    public abstract String[] getSystemSharedLibraryNames();
2038
2039    /**
2040     * Get a list of features that are available on the
2041     * system.
2042     *
2043     * @return An array of FeatureInfo classes describing the features
2044     * that are available on the system, or null if there are none(!!).
2045     */
2046    public abstract FeatureInfo[] getSystemAvailableFeatures();
2047
2048    /**
2049     * Check whether the given feature name is one of the available
2050     * features as returned by {@link #getSystemAvailableFeatures()}.
2051     *
2052     * @return Returns true if the devices supports the feature, else
2053     * false.
2054     */
2055    public abstract boolean hasSystemFeature(String name);
2056
2057    /**
2058     * Determine the best action to perform for a given Intent.  This is how
2059     * {@link Intent#resolveActivity} finds an activity if a class has not
2060     * been explicitly specified.
2061     *
2062     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2063     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2064     * only flag.  You need to do so to resolve the activity in the same way
2065     * that {@link android.content.Context#startActivity(Intent)} and
2066     * {@link android.content.Intent#resolveActivity(PackageManager)
2067     * Intent.resolveActivity(PackageManager)} do.</p>
2068     *
2069     * @param intent An intent containing all of the desired specification
2070     *               (action, data, type, category, and/or component).
2071     * @param flags Additional option flags.  The most important is
2072     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2073     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2074     *
2075     * @return Returns a ResolveInfo containing the final activity intent that
2076     *         was determined to be the best action.  Returns null if no
2077     *         matching activity was found. If multiple matching activities are
2078     *         found and there is no default set, returns a ResolveInfo
2079     *         containing something else, such as the activity resolver.
2080     *
2081     * @see #MATCH_DEFAULT_ONLY
2082     * @see #GET_INTENT_FILTERS
2083     * @see #GET_RESOLVED_FILTER
2084     */
2085    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2086
2087    /**
2088     * Determine the best action to perform for a given Intent for a given user. This
2089     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2090     * been explicitly specified.
2091     *
2092     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2093     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2094     * only flag.  You need to do so to resolve the activity in the same way
2095     * that {@link android.content.Context#startActivity(Intent)} and
2096     * {@link android.content.Intent#resolveActivity(PackageManager)
2097     * Intent.resolveActivity(PackageManager)} do.</p>
2098     *
2099     * @param intent An intent containing all of the desired specification
2100     *               (action, data, type, category, and/or component).
2101     * @param flags Additional option flags.  The most important is
2102     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2103     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2104     * @param userId The user id.
2105     *
2106     * @return Returns a ResolveInfo containing the final activity intent that
2107     *         was determined to be the best action.  Returns null if no
2108     *         matching activity was found. If multiple matching activities are
2109     *         found and there is no default set, returns a ResolveInfo
2110     *         containing something else, such as the activity resolver.
2111     *
2112     * @see #MATCH_DEFAULT_ONLY
2113     * @see #GET_INTENT_FILTERS
2114     * @see #GET_RESOLVED_FILTER
2115     *
2116     * @hide
2117     */
2118    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2119
2120    /**
2121     * Retrieve all activities that can be performed for the given intent.
2122     *
2123     * @param intent The desired intent as per resolveActivity().
2124     * @param flags Additional option flags.  The most important is
2125     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2126     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2127     *
2128     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2129     *         Activity. These are ordered from best to worst match -- that
2130     *         is, the first item in the list is what is returned by
2131     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2132     *         list is returned.
2133     *
2134     * @see #MATCH_DEFAULT_ONLY
2135     * @see #GET_INTENT_FILTERS
2136     * @see #GET_RESOLVED_FILTER
2137     */
2138    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2139            int flags);
2140
2141    /**
2142     * Retrieve all activities that can be performed for the given intent, for a specific user.
2143     *
2144     * @param intent The desired intent as per resolveActivity().
2145     * @param flags Additional option flags.  The most important is
2146     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2147     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2148     *
2149     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2150     *         Activity. These are ordered from best to worst match -- that
2151     *         is, the first item in the list is what is returned by
2152     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2153     *         list is returned.
2154     *
2155     * @see #MATCH_DEFAULT_ONLY
2156     * @see #GET_INTENT_FILTERS
2157     * @see #GET_RESOLVED_FILTER
2158     * @hide
2159     */
2160    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2161            int flags, int userId);
2162
2163
2164    /**
2165     * Retrieve a set of activities that should be presented to the user as
2166     * similar options.  This is like {@link #queryIntentActivities}, except it
2167     * also allows you to supply a list of more explicit Intents that you would
2168     * like to resolve to particular options, and takes care of returning the
2169     * final ResolveInfo list in a reasonable order, with no duplicates, based
2170     * on those inputs.
2171     *
2172     * @param caller The class name of the activity that is making the
2173     *               request.  This activity will never appear in the output
2174     *               list.  Can be null.
2175     * @param specifics An array of Intents that should be resolved to the
2176     *                  first specific results.  Can be null.
2177     * @param intent The desired intent as per resolveActivity().
2178     * @param flags Additional option flags.  The most important is
2179     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2180     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2181     *
2182     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2183     *         Activity. These are ordered first by all of the intents resolved
2184     *         in <var>specifics</var> and then any additional activities that
2185     *         can handle <var>intent</var> but did not get included by one of
2186     *         the <var>specifics</var> intents.  If there are no matching
2187     *         activities, an empty list is returned.
2188     *
2189     * @see #MATCH_DEFAULT_ONLY
2190     * @see #GET_INTENT_FILTERS
2191     * @see #GET_RESOLVED_FILTER
2192     */
2193    public abstract List<ResolveInfo> queryIntentActivityOptions(
2194            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2195
2196    /**
2197     * Retrieve all receivers that can handle a broadcast of the given intent.
2198     *
2199     * @param intent The desired intent as per resolveActivity().
2200     * @param flags Additional option flags.
2201     *
2202     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2203     *         Receiver. These are ordered from first to last in priority.  If
2204     *         there are no matching receivers, an empty list is returned.
2205     *
2206     * @see #MATCH_DEFAULT_ONLY
2207     * @see #GET_INTENT_FILTERS
2208     * @see #GET_RESOLVED_FILTER
2209     */
2210    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2211            int flags);
2212
2213    /**
2214     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2215     * user.
2216     *
2217     * @param intent The desired intent as per resolveActivity().
2218     * @param flags Additional option flags.
2219     * @param userId The userId of the user being queried.
2220     *
2221     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2222     *         Receiver. These are ordered from first to last in priority.  If
2223     *         there are no matching receivers, an empty list is returned.
2224     *
2225     * @see #MATCH_DEFAULT_ONLY
2226     * @see #GET_INTENT_FILTERS
2227     * @see #GET_RESOLVED_FILTER
2228     * @hide
2229     */
2230    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2231            int flags, int userId);
2232
2233    /**
2234     * Determine the best service to handle for a given Intent.
2235     *
2236     * @param intent An intent containing all of the desired specification
2237     *               (action, data, type, category, and/or component).
2238     * @param flags Additional option flags.
2239     *
2240     * @return Returns a ResolveInfo containing the final service intent that
2241     *         was determined to be the best action.  Returns null if no
2242     *         matching service was found.
2243     *
2244     * @see #GET_INTENT_FILTERS
2245     * @see #GET_RESOLVED_FILTER
2246     */
2247    public abstract ResolveInfo resolveService(Intent intent, int flags);
2248
2249    /**
2250     * Retrieve all services that can match the given intent.
2251     *
2252     * @param intent The desired intent as per resolveService().
2253     * @param flags Additional option flags.
2254     *
2255     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2256     *         ServiceInfo. These are ordered from best to worst match -- that
2257     *         is, the first item in the list is what is returned by
2258     *         resolveService().  If there are no matching services, an empty
2259     *         list is returned.
2260     *
2261     * @see #GET_INTENT_FILTERS
2262     * @see #GET_RESOLVED_FILTER
2263     */
2264    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2265            int flags);
2266
2267    /**
2268     * Retrieve all services that can match the given intent for a given user.
2269     *
2270     * @param intent The desired intent as per resolveService().
2271     * @param flags Additional option flags.
2272     * @param userId The user id.
2273     *
2274     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2275     *         ServiceInfo. These are ordered from best to worst match -- that
2276     *         is, the first item in the list is what is returned by
2277     *         resolveService().  If there are no matching services, an empty
2278     *         list is returned.
2279     *
2280     * @see #GET_INTENT_FILTERS
2281     * @see #GET_RESOLVED_FILTER
2282     *
2283     * @hide
2284     */
2285    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2286            int flags, int userId);
2287
2288    /** {@hide} */
2289    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2290            Intent intent, int flags, int userId);
2291
2292    /**
2293     * Retrieve all providers that can match the given intent.
2294     *
2295     * @param intent An intent containing all of the desired specification
2296     *            (action, data, type, category, and/or component).
2297     * @param flags Additional option flags.
2298     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2299     *         ProviderInfo. These are ordered from best to worst match. If
2300     *         there are no matching providers, an empty list is returned.
2301     * @see #GET_INTENT_FILTERS
2302     * @see #GET_RESOLVED_FILTER
2303     */
2304    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2305
2306    /**
2307     * Find a single content provider by its base path name.
2308     *
2309     * @param name The name of the provider to find.
2310     * @param flags Additional option flags.  Currently should always be 0.
2311     *
2312     * @return ContentProviderInfo Information about the provider, if found,
2313     *         else null.
2314     */
2315    public abstract ProviderInfo resolveContentProvider(String name,
2316            int flags);
2317
2318    /**
2319     * Retrieve content provider information.
2320     *
2321     * <p><em>Note: unlike most other methods, an empty result set is indicated
2322     * by a null return instead of an empty list.</em>
2323     *
2324     * @param processName If non-null, limits the returned providers to only
2325     *                    those that are hosted by the given process.  If null,
2326     *                    all content providers are returned.
2327     * @param uid If <var>processName</var> is non-null, this is the required
2328     *        uid owning the requested content providers.
2329     * @param flags Additional option flags.  Currently should always be 0.
2330     *
2331     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2332     *         content provider either patching <var>processName</var> or, if
2333     *         <var>processName</var> is null, all known content providers.
2334     *         <em>If there are no matching providers, null is returned.</em>
2335     */
2336    public abstract List<ProviderInfo> queryContentProviders(
2337            String processName, int uid, int flags);
2338
2339    /**
2340     * Retrieve all of the information we know about a particular
2341     * instrumentation class.
2342     *
2343     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2344     * given class name cannot be found on the system.
2345     *
2346     * @param className The full name (i.e.
2347     *                  com.google.apps.contacts.InstrumentList) of an
2348     *                  Instrumentation class.
2349     * @param flags Additional option flags.  Currently should always be 0.
2350     *
2351     * @return InstrumentationInfo containing information about the
2352     *         instrumentation.
2353     */
2354    public abstract InstrumentationInfo getInstrumentationInfo(
2355            ComponentName className, int flags) throws NameNotFoundException;
2356
2357    /**
2358     * Retrieve information about available instrumentation code.  May be used
2359     * to retrieve either all instrumentation code, or only the code targeting
2360     * a particular package.
2361     *
2362     * @param targetPackage If null, all instrumentation is returned; only the
2363     *                      instrumentation targeting this package name is
2364     *                      returned.
2365     * @param flags Additional option flags.  Currently should always be 0.
2366     *
2367     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2368     *         matching available Instrumentation.  Returns an empty list if
2369     *         there is no instrumentation available for the given package.
2370     */
2371    public abstract List<InstrumentationInfo> queryInstrumentation(
2372            String targetPackage, int flags);
2373
2374    /**
2375     * Retrieve an image from a package.  This is a low-level API used by
2376     * the various package manager info structures (such as
2377     * {@link ComponentInfo} to implement retrieval of their associated
2378     * icon.
2379     *
2380     * @param packageName The name of the package that this icon is coming from.
2381     * Cannot be null.
2382     * @param resid The resource identifier of the desired image.  Cannot be 0.
2383     * @param appInfo Overall information about <var>packageName</var>.  This
2384     * may be null, in which case the application information will be retrieved
2385     * for you if needed; if you already have this information around, it can
2386     * be much more efficient to supply it here.
2387     *
2388     * @return Returns a Drawable holding the requested image.  Returns null if
2389     * an image could not be found for any reason.
2390     */
2391    public abstract Drawable getDrawable(String packageName, int resid,
2392            ApplicationInfo appInfo);
2393
2394    /**
2395     * Retrieve the icon associated with an activity.  Given the full name of
2396     * an activity, retrieves the information about it and calls
2397     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2398     * If the activity cannot be found, NameNotFoundException is thrown.
2399     *
2400     * @param activityName Name of the activity whose icon is to be retrieved.
2401     *
2402     * @return Returns the image of the icon, or the default activity icon if
2403     * it could not be found.  Does not return null.
2404     * @throws NameNotFoundException Thrown if the resources for the given
2405     * activity could not be loaded.
2406     *
2407     * @see #getActivityIcon(Intent)
2408     */
2409    public abstract Drawable getActivityIcon(ComponentName activityName)
2410            throws NameNotFoundException;
2411
2412    /**
2413     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2414     * set, this simply returns the result of
2415     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2416     * component and returns the icon associated with the resolved component.
2417     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2418     * to a component, NameNotFoundException is thrown.
2419     *
2420     * @param intent The intent for which you would like to retrieve an icon.
2421     *
2422     * @return Returns the image of the icon, or the default activity icon if
2423     * it could not be found.  Does not return null.
2424     * @throws NameNotFoundException Thrown if the resources for application
2425     * matching the given intent could not be loaded.
2426     *
2427     * @see #getActivityIcon(ComponentName)
2428     */
2429    public abstract Drawable getActivityIcon(Intent intent)
2430            throws NameNotFoundException;
2431
2432    /**
2433     * Retrieve the banner associated with an activity. Given the full name of
2434     * an activity, retrieves the information about it and calls
2435     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2436     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2437     *
2438     * @param activityName Name of the activity whose banner is to be retrieved.
2439     * @return Returns the image of the banner, or null if the activity has no
2440     *         banner specified.
2441     * @throws NameNotFoundException Thrown if the resources for the given
2442     *             activity could not be loaded.
2443     * @see #getActivityBanner(Intent)
2444     */
2445    public abstract Drawable getActivityBanner(ComponentName activityName)
2446            throws NameNotFoundException;
2447
2448    /**
2449     * Retrieve the banner associated with an Intent. If intent.getClassName()
2450     * is set, this simply returns the result of
2451     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2452     * intent's component and returns the banner associated with the resolved
2453     * component. If intent.getClassName() cannot be found or the Intent cannot
2454     * be resolved to a component, NameNotFoundException is thrown.
2455     *
2456     * @param intent The intent for which you would like to retrieve a banner.
2457     * @return Returns the image of the banner, or null if the activity has no
2458     *         banner specified.
2459     * @throws NameNotFoundException Thrown if the resources for application
2460     *             matching the given intent could not be loaded.
2461     * @see #getActivityBanner(ComponentName)
2462     */
2463    public abstract Drawable getActivityBanner(Intent intent)
2464            throws NameNotFoundException;
2465
2466    /**
2467     * Return the generic icon for an activity that is used when no specific
2468     * icon is defined.
2469     *
2470     * @return Drawable Image of the icon.
2471     */
2472    public abstract Drawable getDefaultActivityIcon();
2473
2474    /**
2475     * Retrieve the icon associated with an application.  If it has not defined
2476     * an icon, the default app icon is returned.  Does not return null.
2477     *
2478     * @param info Information about application being queried.
2479     *
2480     * @return Returns the image of the icon, or the default application icon
2481     * if it could not be found.
2482     *
2483     * @see #getApplicationIcon(String)
2484     */
2485    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2486
2487    /**
2488     * Retrieve the icon associated with an application.  Given the name of the
2489     * application's package, retrieves the information about it and calls
2490     * getApplicationIcon() to return its icon. If the application cannot be
2491     * found, NameNotFoundException is thrown.
2492     *
2493     * @param packageName Name of the package whose application icon is to be
2494     *                    retrieved.
2495     *
2496     * @return Returns the image of the icon, or the default application icon
2497     * if it could not be found.  Does not return null.
2498     * @throws NameNotFoundException Thrown if the resources for the given
2499     * application could not be loaded.
2500     *
2501     * @see #getApplicationIcon(ApplicationInfo)
2502     */
2503    public abstract Drawable getApplicationIcon(String packageName)
2504            throws NameNotFoundException;
2505
2506    /**
2507     * Retrieve the banner associated with an application.
2508     *
2509     * @param info Information about application being queried.
2510     * @return Returns the image of the banner or null if the application has no
2511     *         banner specified.
2512     * @see #getApplicationBanner(String)
2513     */
2514    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2515
2516    /**
2517     * Retrieve the banner associated with an application. Given the name of the
2518     * application's package, retrieves the information about it and calls
2519     * getApplicationIcon() to return its banner. If the application cannot be
2520     * found, NameNotFoundException is thrown.
2521     *
2522     * @param packageName Name of the package whose application banner is to be
2523     *            retrieved.
2524     * @return Returns the image of the banner or null if the application has no
2525     *         banner specified.
2526     * @throws NameNotFoundException Thrown if the resources for the given
2527     *             application could not be loaded.
2528     * @see #getApplicationBanner(ApplicationInfo)
2529     */
2530    public abstract Drawable getApplicationBanner(String packageName)
2531            throws NameNotFoundException;
2532
2533    /**
2534     * Retrieve the logo associated with an activity. Given the full name of an
2535     * activity, retrieves the information about it and calls
2536     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2537     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2538     *
2539     * @param activityName Name of the activity whose logo is to be retrieved.
2540     * @return Returns the image of the logo or null if the activity has no logo
2541     *         specified.
2542     * @throws NameNotFoundException Thrown if the resources for the given
2543     *             activity could not be loaded.
2544     * @see #getActivityLogo(Intent)
2545     */
2546    public abstract Drawable getActivityLogo(ComponentName activityName)
2547            throws NameNotFoundException;
2548
2549    /**
2550     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2551     * set, this simply returns the result of
2552     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2553     * component and returns the logo associated with the resolved component.
2554     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2555     * to a component, NameNotFoundException is thrown.
2556     *
2557     * @param intent The intent for which you would like to retrieve a logo.
2558     *
2559     * @return Returns the image of the logo, or null if the activity has no
2560     * logo specified.
2561     *
2562     * @throws NameNotFoundException Thrown if the resources for application
2563     * matching the given intent could not be loaded.
2564     *
2565     * @see #getActivityLogo(ComponentName)
2566     */
2567    public abstract Drawable getActivityLogo(Intent intent)
2568            throws NameNotFoundException;
2569
2570    /**
2571     * Retrieve the logo associated with an application.  If it has not specified
2572     * a logo, this method returns null.
2573     *
2574     * @param info Information about application being queried.
2575     *
2576     * @return Returns the image of the logo, or null if no logo is specified
2577     * by the application.
2578     *
2579     * @see #getApplicationLogo(String)
2580     */
2581    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2582
2583    /**
2584     * Retrieve the logo associated with an application.  Given the name of the
2585     * application's package, retrieves the information about it and calls
2586     * getApplicationLogo() to return its logo. If the application cannot be
2587     * found, NameNotFoundException is thrown.
2588     *
2589     * @param packageName Name of the package whose application logo is to be
2590     *                    retrieved.
2591     *
2592     * @return Returns the image of the logo, or null if no application logo
2593     * has been specified.
2594     *
2595     * @throws NameNotFoundException Thrown if the resources for the given
2596     * application could not be loaded.
2597     *
2598     * @see #getApplicationLogo(ApplicationInfo)
2599     */
2600    public abstract Drawable getApplicationLogo(String packageName)
2601            throws NameNotFoundException;
2602
2603    /**
2604     * Retrieve text from a package.  This is a low-level API used by
2605     * the various package manager info structures (such as
2606     * {@link ComponentInfo} to implement retrieval of their associated
2607     * labels and other text.
2608     *
2609     * @param packageName The name of the package that this text is coming from.
2610     * Cannot be null.
2611     * @param resid The resource identifier of the desired text.  Cannot be 0.
2612     * @param appInfo Overall information about <var>packageName</var>.  This
2613     * may be null, in which case the application information will be retrieved
2614     * for you if needed; if you already have this information around, it can
2615     * be much more efficient to supply it here.
2616     *
2617     * @return Returns a CharSequence holding the requested text.  Returns null
2618     * if the text could not be found for any reason.
2619     */
2620    public abstract CharSequence getText(String packageName, int resid,
2621            ApplicationInfo appInfo);
2622
2623    /**
2624     * Retrieve an XML file from a package.  This is a low-level API used to
2625     * retrieve XML meta data.
2626     *
2627     * @param packageName The name of the package that this xml is coming from.
2628     * Cannot be null.
2629     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2630     * @param appInfo Overall information about <var>packageName</var>.  This
2631     * may be null, in which case the application information will be retrieved
2632     * for you if needed; if you already have this information around, it can
2633     * be much more efficient to supply it here.
2634     *
2635     * @return Returns an XmlPullParser allowing you to parse out the XML
2636     * data.  Returns null if the xml resource could not be found for any
2637     * reason.
2638     */
2639    public abstract XmlResourceParser getXml(String packageName, int resid,
2640            ApplicationInfo appInfo);
2641
2642    /**
2643     * Return the label to use for this application.
2644     *
2645     * @return Returns the label associated with this application, or null if
2646     * it could not be found for any reason.
2647     * @param info The application to get the label of.
2648     */
2649    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2650
2651    /**
2652     * Retrieve the resources associated with an activity.  Given the full
2653     * name of an activity, retrieves the information about it and calls
2654     * getResources() to return its application's resources.  If the activity
2655     * cannot be found, NameNotFoundException is thrown.
2656     *
2657     * @param activityName Name of the activity whose resources are to be
2658     *                     retrieved.
2659     *
2660     * @return Returns the application's Resources.
2661     * @throws NameNotFoundException Thrown if the resources for the given
2662     * application could not be loaded.
2663     *
2664     * @see #getResourcesForApplication(ApplicationInfo)
2665     */
2666    public abstract Resources getResourcesForActivity(ComponentName activityName)
2667            throws NameNotFoundException;
2668
2669    /**
2670     * Retrieve the resources for an application.  Throws NameNotFoundException
2671     * if the package is no longer installed.
2672     *
2673     * @param app Information about the desired application.
2674     *
2675     * @return Returns the application's Resources.
2676     * @throws NameNotFoundException Thrown if the resources for the given
2677     * application could not be loaded (most likely because it was uninstalled).
2678     */
2679    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2680            throws NameNotFoundException;
2681
2682    /**
2683     * Retrieve the resources associated with an application.  Given the full
2684     * package name of an application, retrieves the information about it and
2685     * calls getResources() to return its application's resources.  If the
2686     * appPackageName cannot be found, NameNotFoundException is thrown.
2687     *
2688     * @param appPackageName Package name of the application whose resources
2689     *                       are to be retrieved.
2690     *
2691     * @return Returns the application's Resources.
2692     * @throws NameNotFoundException Thrown if the resources for the given
2693     * application could not be loaded.
2694     *
2695     * @see #getResourcesForApplication(ApplicationInfo)
2696     */
2697    public abstract Resources getResourcesForApplication(String appPackageName)
2698            throws NameNotFoundException;
2699
2700    /** @hide */
2701    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2702            throws NameNotFoundException;
2703
2704    /**
2705     * Retrieve overall information about an application package defined
2706     * in a package archive file
2707     *
2708     * @param archiveFilePath The path to the archive file
2709     * @param flags Additional option flags. Use any combination of
2710     * {@link #GET_ACTIVITIES},
2711     * {@link #GET_GIDS},
2712     * {@link #GET_CONFIGURATIONS},
2713     * {@link #GET_INSTRUMENTATION},
2714     * {@link #GET_PERMISSIONS},
2715     * {@link #GET_PROVIDERS},
2716     * {@link #GET_RECEIVERS},
2717     * {@link #GET_SERVICES},
2718     * {@link #GET_SIGNATURES}, to modify the data returned.
2719     *
2720     * @return Returns the information about the package. Returns
2721     * null if the package could not be successfully parsed.
2722     *
2723     * @see #GET_ACTIVITIES
2724     * @see #GET_GIDS
2725     * @see #GET_CONFIGURATIONS
2726     * @see #GET_INSTRUMENTATION
2727     * @see #GET_PERMISSIONS
2728     * @see #GET_PROVIDERS
2729     * @see #GET_RECEIVERS
2730     * @see #GET_SERVICES
2731     * @see #GET_SIGNATURES
2732     *
2733     */
2734    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2735        PackageParser packageParser = new PackageParser(archiveFilePath);
2736        DisplayMetrics metrics = new DisplayMetrics();
2737        metrics.setToDefaults();
2738        final File sourceFile = new File(archiveFilePath);
2739        PackageParser.Package pkg = packageParser.parsePackage(
2740                sourceFile, archiveFilePath, metrics, 0);
2741        if (pkg == null) {
2742            return null;
2743        }
2744        if ((flags & GET_SIGNATURES) != 0) {
2745            packageParser.collectCertificates(pkg, 0);
2746        }
2747        PackageUserState state = new PackageUserState();
2748        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2749    }
2750
2751    /**
2752     * @hide
2753     *
2754     * Install a package. Since this may take a little while, the result will
2755     * be posted back to the given observer.  An installation will fail if the calling context
2756     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2757     * package named in the package file's manifest is already installed, or if there's no space
2758     * available on the device.
2759     *
2760     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2761     * 'content:' URI.
2762     * @param observer An observer callback to get notified when the package installation is
2763     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2764     * called when that happens.  observer may be null to indicate that no callback is desired.
2765     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2766     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2767     * @param installerPackageName Optional package name of the application that is performing the
2768     * installation. This identifies which market the package came from.
2769     */
2770    public abstract void installPackage(
2771            Uri packageURI, IPackageInstallObserver observer, int flags,
2772            String installerPackageName);
2773
2774    /**
2775     * Similar to
2776     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2777     * with an extra verification file provided.
2778     *
2779     * @param packageURI The location of the package file to install. This can
2780     *            be a 'file:' or a 'content:' URI.
2781     * @param observer An observer callback to get notified when the package
2782     *            installation is complete.
2783     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2784     *            will be called when that happens. observer may be null to
2785     *            indicate that no callback is desired.
2786     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2787     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2788     *            .
2789     * @param installerPackageName Optional package name of the application that
2790     *            is performing the installation. This identifies which market
2791     *            the package came from.
2792     * @param verificationURI The location of the supplementary verification
2793     *            file. This can be a 'file:' or a 'content:' URI. May be
2794     *            {@code null}.
2795     * @param manifestDigest an object that holds the digest of the package
2796     *            which can be used to verify ownership. May be {@code null}.
2797     * @param encryptionParams if the package to be installed is encrypted,
2798     *            these parameters describing the encryption and authentication
2799     *            used. May be {@code null}.
2800     * @hide
2801     */
2802    public abstract void installPackageWithVerification(Uri packageURI,
2803            IPackageInstallObserver observer, int flags, String installerPackageName,
2804            Uri verificationURI, ManifestDigest manifestDigest,
2805            ContainerEncryptionParams encryptionParams);
2806
2807    /**
2808     * Similar to
2809     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2810     * with an extra verification information provided.
2811     *
2812     * @param packageURI The location of the package file to install. This can
2813     *            be a 'file:' or a 'content:' URI.
2814     * @param observer An observer callback to get notified when the package
2815     *            installation is complete.
2816     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2817     *            will be called when that happens. observer may be null to
2818     *            indicate that no callback is desired.
2819     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2820     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2821     *            .
2822     * @param installerPackageName Optional package name of the application that
2823     *            is performing the installation. This identifies which market
2824     *            the package came from.
2825     * @param verificationParams an object that holds signal information to
2826     *            assist verification. May be {@code null}.
2827     * @param encryptionParams if the package to be installed is encrypted,
2828     *            these parameters describing the encryption and authentication
2829     *            used. May be {@code null}.
2830     *
2831     * @hide
2832     */
2833    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2834            IPackageInstallObserver observer, int flags, String installerPackageName,
2835            VerificationParams verificationParams,
2836            ContainerEncryptionParams encryptionParams);
2837
2838    /**
2839     * If there is already an application with the given package name installed
2840     * on the system for other users, also install it for the calling user.
2841     * @hide
2842     */
2843    public abstract int installExistingPackage(String packageName)
2844            throws NameNotFoundException;
2845
2846    /**
2847     * Allows a package listening to the
2848     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2849     * broadcast} to respond to the package manager. The response must include
2850     * the {@code verificationCode} which is one of
2851     * {@link PackageManager#VERIFICATION_ALLOW} or
2852     * {@link PackageManager#VERIFICATION_REJECT}.
2853     *
2854     * @param id pending package identifier as passed via the
2855     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2856     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
2857     *            or {@link PackageManager#VERIFICATION_REJECT}.
2858     * @throws SecurityException if the caller does not have the
2859     *            PACKAGE_VERIFICATION_AGENT permission.
2860     */
2861    public abstract void verifyPendingInstall(int id, int verificationCode);
2862
2863    /**
2864     * Allows a package listening to the
2865     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2866     * broadcast} to extend the default timeout for a response and declare what
2867     * action to perform after the timeout occurs. The response must include
2868     * the {@code verificationCodeAtTimeout} which is one of
2869     * {@link PackageManager#VERIFICATION_ALLOW} or
2870     * {@link PackageManager#VERIFICATION_REJECT}.
2871     *
2872     * This method may only be called once per package id. Additional calls
2873     * will have no effect.
2874     *
2875     * @param id pending package identifier as passed via the
2876     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2877     * @param verificationCodeAtTimeout either
2878     *            {@link PackageManager#VERIFICATION_ALLOW} or
2879     *            {@link PackageManager#VERIFICATION_REJECT}. If
2880     *            {@code verificationCodeAtTimeout} is neither
2881     *            {@link PackageManager#VERIFICATION_ALLOW} or
2882     *            {@link PackageManager#VERIFICATION_REJECT}, then
2883     *            {@code verificationCodeAtTimeout} will default to
2884     *            {@link PackageManager#VERIFICATION_REJECT}.
2885     * @param millisecondsToDelay the amount of time requested for the timeout.
2886     *            Must be positive and less than
2887     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
2888     *            {@code millisecondsToDelay} is out of bounds,
2889     *            {@code millisecondsToDelay} will be set to the closest in
2890     *            bounds value; namely, 0 or
2891     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
2892     * @throws SecurityException if the caller does not have the
2893     *            PACKAGE_VERIFICATION_AGENT permission.
2894     */
2895    public abstract void extendVerificationTimeout(int id,
2896            int verificationCodeAtTimeout, long millisecondsToDelay);
2897
2898    /**
2899     * Change the installer associated with a given package.  There are limitations
2900     * on how the installer package can be changed; in particular:
2901     * <ul>
2902     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
2903     * is not signed with the same certificate as the calling application.
2904     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
2905     * has an installer package, and that installer package is not signed with
2906     * the same certificate as the calling application.
2907     * </ul>
2908     *
2909     * @param targetPackage The installed package whose installer will be changed.
2910     * @param installerPackageName The package name of the new installer.  May be
2911     * null to clear the association.
2912     */
2913    public abstract void setInstallerPackageName(String targetPackage,
2914            String installerPackageName);
2915
2916    /**
2917     * Attempts to delete a package.  Since this may take a little while, the result will
2918     * be posted back to the given observer.  A deletion will fail if the calling context
2919     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
2920     * named package cannot be found, or if the named package is a "system package".
2921     * (TODO: include pointer to documentation on "system packages")
2922     *
2923     * @param packageName The name of the package to delete
2924     * @param observer An observer callback to get notified when the package deletion is
2925     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
2926     * called when that happens.  observer may be null to indicate that no callback is desired.
2927     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
2928     * {@link #DELETE_ALL_USERS}.
2929     *
2930     * @hide
2931     */
2932    public abstract void deletePackage(
2933            String packageName, IPackageDeleteObserver observer, int flags);
2934
2935    /**
2936     * Retrieve the package name of the application that installed a package. This identifies
2937     * which market the package came from.
2938     *
2939     * @param packageName The name of the package to query
2940     */
2941    public abstract String getInstallerPackageName(String packageName);
2942
2943    /**
2944     * Attempts to clear the user data directory of an application.
2945     * Since this may take a little while, the result will
2946     * be posted back to the given observer.  A deletion will fail if the
2947     * named package cannot be found, or if the named package is a "system package".
2948     *
2949     * @param packageName The name of the package
2950     * @param observer An observer callback to get notified when the operation is finished
2951     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2952     * will be called when that happens.  observer may be null to indicate that
2953     * no callback is desired.
2954     *
2955     * @hide
2956     */
2957    public abstract void clearApplicationUserData(String packageName,
2958            IPackageDataObserver observer);
2959    /**
2960     * Attempts to delete the cache files associated with an application.
2961     * Since this may take a little while, the result will
2962     * be posted back to the given observer.  A deletion will fail if the calling context
2963     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
2964     * named package cannot be found, or if the named package is a "system package".
2965     *
2966     * @param packageName The name of the package to delete
2967     * @param observer An observer callback to get notified when the cache file deletion
2968     * is complete.
2969     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2970     * will be called when that happens.  observer may be null to indicate that
2971     * no callback is desired.
2972     *
2973     * @hide
2974     */
2975    public abstract void deleteApplicationCacheFiles(String packageName,
2976            IPackageDataObserver observer);
2977
2978    /**
2979     * Free storage by deleting LRU sorted list of cache files across
2980     * all applications. If the currently available free storage
2981     * on the device is greater than or equal to the requested
2982     * free storage, no cache files are cleared. If the currently
2983     * available storage on the device is less than the requested
2984     * free storage, some or all of the cache files across
2985     * all applications are deleted (based on last accessed time)
2986     * to increase the free storage space on the device to
2987     * the requested value. There is no guarantee that clearing all
2988     * the cache files from all applications will clear up
2989     * enough storage to achieve the desired value.
2990     * @param freeStorageSize The number of bytes of storage to be
2991     * freed by the system. Say if freeStorageSize is XX,
2992     * and the current free storage is YY,
2993     * if XX is less than YY, just return. if not free XX-YY number
2994     * of bytes if possible.
2995     * @param observer call back used to notify when
2996     * the operation is completed
2997     *
2998     * @hide
2999     */
3000    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3001
3002    /**
3003     * Free storage by deleting LRU sorted list of cache files across
3004     * all applications. If the currently available free storage
3005     * on the device is greater than or equal to the requested
3006     * free storage, no cache files are cleared. If the currently
3007     * available storage on the device is less than the requested
3008     * free storage, some or all of the cache files across
3009     * all applications are deleted (based on last accessed time)
3010     * to increase the free storage space on the device to
3011     * the requested value. There is no guarantee that clearing all
3012     * the cache files from all applications will clear up
3013     * enough storage to achieve the desired value.
3014     * @param freeStorageSize The number of bytes of storage to be
3015     * freed by the system. Say if freeStorageSize is XX,
3016     * and the current free storage is YY,
3017     * if XX is less than YY, just return. if not free XX-YY number
3018     * of bytes if possible.
3019     * @param pi IntentSender call back used to
3020     * notify when the operation is completed.May be null
3021     * to indicate that no call back is desired.
3022     *
3023     * @hide
3024     */
3025    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3026
3027    /**
3028     * Retrieve the size information for a package.
3029     * Since this may take a little while, the result will
3030     * be posted back to the given observer.  The calling context
3031     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3032     *
3033     * @param packageName The name of the package whose size information is to be retrieved
3034     * @param userHandle The user whose size information should be retrieved.
3035     * @param observer An observer callback to get notified when the operation
3036     * is complete.
3037     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3038     * The observer's callback is invoked with a PackageStats object(containing the
3039     * code, data and cache sizes of the package) and a boolean value representing
3040     * the status of the operation. observer may be null to indicate that
3041     * no callback is desired.
3042     *
3043     * @hide
3044     */
3045    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3046            IPackageStatsObserver observer);
3047
3048    /**
3049     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3050     * returns the size for the calling user.
3051     *
3052     * @hide
3053     */
3054    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3055        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3056    }
3057
3058    /**
3059     * @deprecated This function no longer does anything; it was an old
3060     * approach to managing preferred activities, which has been superseded
3061     * by (and conflicts with) the modern activity-based preferences.
3062     */
3063    @Deprecated
3064    public abstract void addPackageToPreferred(String packageName);
3065
3066    /**
3067     * @deprecated This function no longer does anything; it was an old
3068     * approach to managing preferred activities, which has been superseded
3069     * by (and conflicts with) the modern activity-based preferences.
3070     */
3071    @Deprecated
3072    public abstract void removePackageFromPreferred(String packageName);
3073
3074    /**
3075     * Retrieve the list of all currently configured preferred packages.  The
3076     * first package on the list is the most preferred, the last is the
3077     * least preferred.
3078     *
3079     * @param flags Additional option flags. Use any combination of
3080     * {@link #GET_ACTIVITIES},
3081     * {@link #GET_GIDS},
3082     * {@link #GET_CONFIGURATIONS},
3083     * {@link #GET_INSTRUMENTATION},
3084     * {@link #GET_PERMISSIONS},
3085     * {@link #GET_PROVIDERS},
3086     * {@link #GET_RECEIVERS},
3087     * {@link #GET_SERVICES},
3088     * {@link #GET_SIGNATURES}, to modify the data returned.
3089     *
3090     * @return Returns a list of PackageInfo objects describing each
3091     * preferred application, in order of preference.
3092     *
3093     * @see #GET_ACTIVITIES
3094     * @see #GET_GIDS
3095     * @see #GET_CONFIGURATIONS
3096     * @see #GET_INSTRUMENTATION
3097     * @see #GET_PERMISSIONS
3098     * @see #GET_PROVIDERS
3099     * @see #GET_RECEIVERS
3100     * @see #GET_SERVICES
3101     * @see #GET_SIGNATURES
3102     */
3103    public abstract List<PackageInfo> getPreferredPackages(int flags);
3104
3105    /**
3106     * @deprecated This is a protected API that should not have been available
3107     * to third party applications.  It is the platform's responsibility for
3108     * assigning preferred activities and this cannot be directly modified.
3109     *
3110     * Add a new preferred activity mapping to the system.  This will be used
3111     * to automatically select the given activity component when
3112     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3113     * multiple matching activities and also matches the given filter.
3114     *
3115     * @param filter The set of intents under which this activity will be
3116     * made preferred.
3117     * @param match The IntentFilter match category that this preference
3118     * applies to.
3119     * @param set The set of activities that the user was picking from when
3120     * this preference was made.
3121     * @param activity The component name of the activity that is to be
3122     * preferred.
3123     */
3124    @Deprecated
3125    public abstract void addPreferredActivity(IntentFilter filter, int match,
3126            ComponentName[] set, ComponentName activity);
3127
3128    /**
3129     * Same as {@link #addPreferredActivity(IntentFilter, int,
3130            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3131            to.
3132     * @hide
3133     */
3134    public void addPreferredActivity(IntentFilter filter, int match,
3135            ComponentName[] set, ComponentName activity, int userId) {
3136        throw new RuntimeException("Not implemented. Must override in a subclass.");
3137    }
3138
3139    /**
3140     * @deprecated This is a protected API that should not have been available
3141     * to third party applications.  It is the platform's responsibility for
3142     * assigning preferred activities and this cannot be directly modified.
3143     *
3144     * Replaces an existing preferred activity mapping to the system, and if that were not present
3145     * adds a new preferred activity.  This will be used
3146     * to automatically select the given activity component when
3147     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3148     * multiple matching activities and also matches the given filter.
3149     *
3150     * @param filter The set of intents under which this activity will be
3151     * made preferred.
3152     * @param match The IntentFilter match category that this preference
3153     * applies to.
3154     * @param set The set of activities that the user was picking from when
3155     * this preference was made.
3156     * @param activity The component name of the activity that is to be
3157     * preferred.
3158     * @hide
3159     */
3160    @Deprecated
3161    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3162            ComponentName[] set, ComponentName activity);
3163
3164    /**
3165     * Remove all preferred activity mappings, previously added with
3166     * {@link #addPreferredActivity}, from the
3167     * system whose activities are implemented in the given package name.
3168     * An application can only clear its own package(s).
3169     *
3170     * @param packageName The name of the package whose preferred activity
3171     * mappings are to be removed.
3172     */
3173    public abstract void clearPackagePreferredActivities(String packageName);
3174
3175    /**
3176     * Retrieve all preferred activities, previously added with
3177     * {@link #addPreferredActivity}, that are
3178     * currently registered with the system.
3179     *
3180     * @param outFilters A list in which to place the filters of all of the
3181     * preferred activities, or null for none.
3182     * @param outActivities A list in which to place the component names of
3183     * all of the preferred activities, or null for none.
3184     * @param packageName An option package in which you would like to limit
3185     * the list.  If null, all activities will be returned; if non-null, only
3186     * those activities in the given package are returned.
3187     *
3188     * @return Returns the total number of registered preferred activities
3189     * (the number of distinct IntentFilter records, not the number of unique
3190     * activity components) that were found.
3191     */
3192    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3193            List<ComponentName> outActivities, String packageName);
3194
3195    /**
3196     * Ask for the set of available 'home' activities and the current explicit
3197     * default, if any.
3198     * @hide
3199     */
3200    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3201
3202    /**
3203     * Set the enabled setting for a package component (activity, receiver, service, provider).
3204     * This setting will override any enabled state which may have been set by the component in its
3205     * manifest.
3206     *
3207     * @param componentName The component to enable
3208     * @param newState The new enabled state for the component.  The legal values for this state
3209     *                 are:
3210     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3211     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3212     *                   and
3213     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3214     *                 The last one removes the setting, thereby restoring the component's state to
3215     *                 whatever was set in it's manifest (or enabled, by default).
3216     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3217     */
3218    public abstract void setComponentEnabledSetting(ComponentName componentName,
3219            int newState, int flags);
3220
3221
3222    /**
3223     * Return the the enabled setting for a package component (activity,
3224     * receiver, service, provider).  This returns the last value set by
3225     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3226     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3227     * the value originally specified in the manifest has not been modified.
3228     *
3229     * @param componentName The component to retrieve.
3230     * @return Returns the current enabled state for the component.  May
3231     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3232     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3233     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3234     * component's enabled state is based on the original information in
3235     * the manifest as found in {@link ComponentInfo}.
3236     */
3237    public abstract int getComponentEnabledSetting(ComponentName componentName);
3238
3239    /**
3240     * Set the enabled setting for an application
3241     * This setting will override any enabled state which may have been set by the application in
3242     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3243     * application's components.  It does not override any enabled state set by
3244     * {@link #setComponentEnabledSetting} for any of the application's components.
3245     *
3246     * @param packageName The package name of the application to enable
3247     * @param newState The new enabled state for the component.  The legal values for this state
3248     *                 are:
3249     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3250     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3251     *                   and
3252     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3253     *                 The last one removes the setting, thereby restoring the applications's state to
3254     *                 whatever was set in its manifest (or enabled, by default).
3255     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3256     */
3257    public abstract void setApplicationEnabledSetting(String packageName,
3258            int newState, int flags);
3259
3260    /**
3261     * Return the the enabled setting for an application.  This returns
3262     * the last value set by
3263     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3264     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3265     * the value originally specified in the manifest has not been modified.
3266     *
3267     * @param packageName The component to retrieve.
3268     * @return Returns the current enabled state for the component.  May
3269     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3270     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3271     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3272     * application's enabled state is based on the original information in
3273     * the manifest as found in {@link ComponentInfo}.
3274     * @throws IllegalArgumentException if the named package does not exist.
3275     */
3276    public abstract int getApplicationEnabledSetting(String packageName);
3277
3278    /**
3279     * Puts the package in a blocked state, which is almost like an uninstalled state,
3280     * making the package unavailable, but it doesn't remove the data or the actual
3281     * package file.
3282     * @hide
3283     */
3284    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3285            UserHandle userHandle);
3286
3287    /**
3288     * Returns the blocked state of a package.
3289     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3290     * @hide
3291     */
3292    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3293            UserHandle userHandle);
3294
3295    /**
3296     * Return whether the device has been booted into safe mode.
3297     */
3298    public abstract boolean isSafeMode();
3299
3300    /**
3301     * Attempts to move package resources from internal to external media or vice versa.
3302     * Since this may take a little while, the result will
3303     * be posted back to the given observer.   This call may fail if the calling context
3304     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3305     * named package cannot be found, or if the named package is a "system package".
3306     *
3307     * @param packageName The name of the package to delete
3308     * @param observer An observer callback to get notified when the package move is
3309     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3310     * called when that happens.  observer may be null to indicate that no callback is desired.
3311     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3312     * {@link #MOVE_EXTERNAL_MEDIA}
3313     *
3314     * @hide
3315     */
3316    public abstract void movePackage(
3317            String packageName, IPackageMoveObserver observer, int flags);
3318
3319    /**
3320     * Returns the device identity that verifiers can use to associate their scheme to a particular
3321     * device. This should not be used by anything other than a package verifier.
3322     *
3323     * @return identity that uniquely identifies current device
3324     * @hide
3325     */
3326    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3327
3328    /**
3329     * Returns the data directory for a particular user and package, given the uid of the package.
3330     * @param uid uid of the package, including the userId and appId
3331     * @param packageName name of the package
3332     * @return the user-specific data directory for the package
3333     * @hide
3334     */
3335    public static String getDataDirForUser(int userId, String packageName) {
3336        // TODO: This should be shared with Installer's knowledge of user directory
3337        return Environment.getDataDirectory().toString() + "/user/" + userId
3338                + "/" + packageName;
3339    }
3340}
3341