PackageManager.java revision 105925376f8d0f6b318c9938c7b83ef7fef094da
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 19 20import android.app.PendingIntent; 21import android.content.ComponentName; 22import android.content.Context; 23import android.content.Intent; 24import android.content.IntentFilter; 25import android.content.res.Resources; 26import android.content.res.XmlResourceParser; 27import android.graphics.drawable.Drawable; 28import android.net.Uri; 29import android.util.AndroidException; 30import android.util.DisplayMetrics; 31 32import java.io.File; 33import java.util.List; 34 35/** 36 * Class for retrieving various kinds of information related to the application 37 * packages that are currently installed on the device. 38 * 39 * You can find this class through {@link Context#getPackageManager}. 40 */ 41public abstract class PackageManager { 42 43 /** 44 * This exception is thrown when a given package, application, or component 45 * name can not be found. 46 */ 47 public static class NameNotFoundException extends AndroidException { 48 public NameNotFoundException() { 49 } 50 51 public NameNotFoundException(String name) { 52 super(name); 53 } 54 } 55 56 /** 57 * {@link PackageInfo} flag: return information about 58 * activities in the package in {@link PackageInfo#activities}. 59 */ 60 public static final int GET_ACTIVITIES = 0x00000001; 61 62 /** 63 * {@link PackageInfo} flag: return information about 64 * intent receivers in the package in 65 * {@link PackageInfo#receivers}. 66 */ 67 public static final int GET_RECEIVERS = 0x00000002; 68 69 /** 70 * {@link PackageInfo} flag: return information about 71 * services in the package in {@link PackageInfo#services}. 72 */ 73 public static final int GET_SERVICES = 0x00000004; 74 75 /** 76 * {@link PackageInfo} flag: return information about 77 * content providers in the package in 78 * {@link PackageInfo#providers}. 79 */ 80 public static final int GET_PROVIDERS = 0x00000008; 81 82 /** 83 * {@link PackageInfo} flag: return information about 84 * instrumentation in the package in 85 * {@link PackageInfo#instrumentation}. 86 */ 87 public static final int GET_INSTRUMENTATION = 0x00000010; 88 89 /** 90 * {@link PackageInfo} flag: return information about the 91 * intent filters supported by the activity. 92 */ 93 public static final int GET_INTENT_FILTERS = 0x00000020; 94 95 /** 96 * {@link PackageInfo} flag: return information about the 97 * signatures included in the package. 98 */ 99 public static final int GET_SIGNATURES = 0x00000040; 100 101 /** 102 * {@link ResolveInfo} flag: return the IntentFilter that 103 * was matched for a particular ResolveInfo in 104 * {@link ResolveInfo#filter}. 105 */ 106 public static final int GET_RESOLVED_FILTER = 0x00000040; 107 108 /** 109 * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData} 110 * data {@link android.os.Bundle}s that are associated with a component. 111 * This applies for any API returning a ComponentInfo subclass. 112 */ 113 public static final int GET_META_DATA = 0x00000080; 114 115 /** 116 * {@link PackageInfo} flag: return the 117 * {@link PackageInfo#gids group ids} that are associated with an 118 * application. 119 * This applies for any API returning an PackageInfo class, either 120 * directly or nested inside of another. 121 */ 122 public static final int GET_GIDS = 0x00000100; 123 124 /** 125 * {@link PackageInfo} flag: include disabled components in the returned info. 126 */ 127 public static final int GET_DISABLED_COMPONENTS = 0x00000200; 128 129 /** 130 * {@link ApplicationInfo} flag: return the 131 * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries} 132 * that are associated with an application. 133 * This applies for any API returning an ApplicationInfo class, either 134 * directly or nested inside of another. 135 */ 136 public static final int GET_SHARED_LIBRARY_FILES = 0x00000400; 137 138 /** 139 * {@link ProviderInfo} flag: return the 140 * {@link ProviderInfo#uriPermissionPatterns URI permission patterns} 141 * that are associated with a content provider. 142 * This applies for any API returning an ProviderInfo class, either 143 * directly or nested inside of another. 144 */ 145 public static final int GET_URI_PERMISSION_PATTERNS = 0x00000800; 146 /** 147 * {@link PackageInfo} flag: return information about 148 * permissions in the package in 149 * {@link PackageInfo#permissions}. 150 */ 151 public static final int GET_PERMISSIONS = 0x00001000; 152 153 /** 154 * Flag parameter to retrieve all applications(even uninstalled ones) with data directories. 155 * This state could have resulted if applications have been deleted with flag 156 * DONT_DELETE_DATA 157 * with a possibility of being replaced or reinstalled in future 158 */ 159 public static final int GET_UNINSTALLED_PACKAGES = 0x00002000; 160 161 /** 162 * {@link PackageInfo} flag: return information about 163 * hardware preferences 164 * {@link PackageInfo#configPreferences} 165 */ 166 public static final int GET_CONFIGURATIONS = 0x00004000; 167 168 /** 169 * Permission check result: this is returned by {@link #checkPermission} 170 * if the permission has been granted to the given package. 171 */ 172 public static final int PERMISSION_GRANTED = 0; 173 174 /** 175 * Permission check result: this is returned by {@link #checkPermission} 176 * if the permission has not been granted to the given package. 177 */ 178 public static final int PERMISSION_DENIED = -1; 179 180 /** 181 * Signature check result: this is returned by {@link #checkSignatures} 182 * if the two packages have a matching signature. 183 */ 184 public static final int SIGNATURE_MATCH = 0; 185 186 /** 187 * Signature check result: this is returned by {@link #checkSignatures} 188 * if neither of the two packages is signed. 189 */ 190 public static final int SIGNATURE_NEITHER_SIGNED = 1; 191 192 /** 193 * Signature check result: this is returned by {@link #checkSignatures} 194 * if the first package is not signed, but the second is. 195 */ 196 public static final int SIGNATURE_FIRST_NOT_SIGNED = -1; 197 198 /** 199 * Signature check result: this is returned by {@link #checkSignatures} 200 * if the second package is not signed, but the first is. 201 */ 202 public static final int SIGNATURE_SECOND_NOT_SIGNED = -2; 203 204 /** 205 * Signature check result: this is returned by {@link #checkSignatures} 206 * if both packages are signed but there is no matching signature. 207 */ 208 public static final int SIGNATURE_NO_MATCH = -3; 209 210 /** 211 * Signature check result: this is returned by {@link #checkSignatures} 212 * if either of the given package names are not valid. 213 */ 214 public static final int SIGNATURE_UNKNOWN_PACKAGE = -4; 215 216 /** 217 * Resolution and querying flag: if set, only filters that support the 218 * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for 219 * matching. This is a synonym for including the CATEGORY_DEFAULT in your 220 * supplied Intent. 221 */ 222 public static final int MATCH_DEFAULT_ONLY = 0x00010000; 223 224 public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0; 225 public static final int COMPONENT_ENABLED_STATE_ENABLED = 1; 226 public static final int COMPONENT_ENABLED_STATE_DISABLED = 2; 227 228 /** 229 * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to 230 * indicate that this package should be installed as forward locked, i.e. only the app itself 231 * should have access to it's code and non-resource assets. 232 */ 233 public static final int FORWARD_LOCK_PACKAGE = 0x00000001; 234 235 /** 236 * Flag parameter for {@link #installPackage} to indicate that you want to replace an already 237 * installed package, if one exists 238 */ 239 public static final int REPLACE_EXISTING_PACKAGE = 0x00000002; 240 241 /** 242 * Flag parameter for 243 * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate 244 * that you don't want to kill the app containing the component. Be careful when you set this 245 * since changing component states can make the containing application's behavior unpredictable. 246 */ 247 public static final int DONT_KILL_APP = 0x00000001; 248 249 /** 250 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 251 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success. 252 */ 253 public static final int INSTALL_SUCCEEDED = 1; 254 255 /** 256 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 257 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is 258 * already installed. 259 */ 260 public static final int INSTALL_FAILED_ALREADY_EXISTS = -1; 261 262 /** 263 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 264 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive 265 * file is invalid. 266 */ 267 public static final int INSTALL_FAILED_INVALID_APK = -2; 268 269 /** 270 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 271 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in 272 * is invalid. 273 */ 274 public static final int INSTALL_FAILED_INVALID_URI = -3; 275 276 /** 277 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 278 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager 279 * service found that the device didn't have enough storage space to install the app 280 */ 281 public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4; 282 283 /** 284 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 285 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a 286 * package is already installed with the same name. 287 */ 288 public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5; 289 290 /** 291 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 292 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 293 * the requested shared user does not exist. 294 */ 295 public static final int INSTALL_FAILED_NO_SHARED_USER = -6; 296 297 /** 298 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 299 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 300 * a previously installed package of the same name has a different signature 301 * than the new package (and the old package's data was not removed). 302 */ 303 public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7; 304 305 /** 306 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 307 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 308 * the new package is requested a shared user which is already installed on the 309 * device and does not have matching signature. 310 */ 311 public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8; 312 313 /** 314 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 315 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 316 * the new package uses a shared library that is not available. 317 */ 318 public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9; 319 320 /** 321 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 322 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 323 * the new package uses a shared library that is not available. 324 */ 325 public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10; 326 327 /** 328 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 329 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 330 * the new package failed while optimizing and validating its dex files, 331 * either because there was not enough storage or the validation failed. 332 */ 333 public static final int INSTALL_FAILED_DEXOPT = -11; 334 335 /** 336 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 337 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 338 * the new package failed because the current SDK version is older than 339 * that required by the package. 340 */ 341 public static final int INSTALL_FAILED_OLDER_SDK = -12; 342 343 /** 344 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 345 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 346 * the new package failed because it contains a content provider with the 347 * same authority as a provider already installed in the system. 348 */ 349 public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13; 350 351 /** 352 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 353 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 354 * if the parser was given a path that is not a file, or does not end with the expected 355 * '.apk' extension. 356 */ 357 public static final int INSTALL_PARSE_FAILED_NOT_APK = -100; 358 359 /** 360 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 361 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 362 * if the parser was unable to retrieve the AndroidManifest.xml file. 363 */ 364 public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101; 365 366 /** 367 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 368 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 369 * if the parser encountered an unexpected exception. 370 */ 371 public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102; 372 373 /** 374 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 375 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 376 * if the parser did not find any certificates in the .apk. 377 */ 378 public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103; 379 380 /** 381 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 382 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 383 * if the parser found inconsistent certificates on the files in the .apk. 384 */ 385 public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104; 386 387 /** 388 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 389 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 390 * if the parser encountered a CertificateEncodingException in one of the 391 * files in the .apk. 392 */ 393 public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105; 394 395 /** 396 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 397 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 398 * if the parser encountered a bad or missing package name in the manifest. 399 */ 400 public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106; 401 402 /** 403 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 404 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 405 * if the parser encountered a bad shared user id name in the manifest. 406 */ 407 public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107; 408 409 /** 410 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 411 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 412 * if the parser encountered some structural problem in the manifest. 413 */ 414 public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108; 415 416 /** 417 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 418 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 419 * if the parser did not find any actionable tags (instrumentation or application) 420 * in the manifest. 421 */ 422 public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109; 423 424 /** 425 * Indicates the state of installation. Used by PackageManager to 426 * figure out incomplete installations. Say a package is being installed 427 * (the state is set to PKG_INSTALL_INCOMPLETE) and remains so till 428 * the package installation is successful or unsuccesful lin which case 429 * the PackageManager will no longer maintain state information associated 430 * with the package. If some exception(like device freeze or battery being 431 * pulled out) occurs during installation of a package, the PackageManager 432 * needs this information to clean up the previously failed installation. 433 */ 434 public static final int PKG_INSTALL_INCOMPLETE = 0; 435 public static final int PKG_INSTALL_COMPLETE = 1; 436 437 /** 438 * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the 439 * package's data directory. 440 * 441 * @hide 442 */ 443 public static final int DONT_DELETE_DATA = 0x00000001; 444 445 /** 446 * Retrieve overall information about an application package that is 447 * installed on the system. 448 * 449 * <p>Throws {@link NameNotFoundException} if a package with the given 450 * name can not be found on the system. 451 * 452 * @param packageName The full name (i.e. com.google.apps.contacts) of the 453 * desired package. 454 455 * @param flags Additional option flags. Use any combination of 456 * {@link #GET_ACTIVITIES}, 457 * {@link #GET_GIDS}, 458 * {@link #GET_CONFIGURATIONS}, 459 * {@link #GET_INSTRUMENTATION}, 460 * {@link #GET_PERMISSIONS}, 461 * {@link #GET_PROVIDERS}, 462 * {@link #GET_RECEIVERS}, 463 * {@link #GET_SERVICES}, 464 * {@link #GET_SIGNATURES}, 465 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 466 * 467 * @return Returns a PackageInfo object containing information about the package. 468 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 469 * found in the list of installed applications, the package information is 470 * retrieved from the list of uninstalled applications(which includes 471 * installed applications as well as applications 472 * with data directory ie applications which had been 473 * deleted with DONT_DELTE_DATA flag set). 474 * 475 * @see #GET_ACTIVITIES 476 * @see #GET_GIDS 477 * @see #GET_CONFIGURATIONS 478 * @see #GET_INSTRUMENTATION 479 * @see #GET_PERMISSIONS 480 * @see #GET_PROVIDERS 481 * @see #GET_RECEIVERS 482 * @see #GET_SERVICES 483 * @see #GET_SIGNATURES 484 * @see #GET_UNINSTALLED_PACKAGES 485 * 486 */ 487 public abstract PackageInfo getPackageInfo(String packageName, int flags) 488 throws NameNotFoundException; 489 490 /** 491 * Return a "good" intent to launch a front-door activity in a package, 492 * for use for example to implement an "open" button when browsing through 493 * packages. The current implementation will look first for a main 494 * activity in the category {@link Intent#CATEGORY_INFO}, next for a 495 * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return 496 * null if neither are found. 497 * 498 * <p>Throws {@link NameNotFoundException} if a package with the given 499 * name can not be found on the system. 500 * 501 * @param packageName The name of the package to inspect. 502 * 503 * @return Returns either a fully-qualified Intent that can be used to 504 * launch the main activity in the package, or null if the package does 505 * not contain such an activity. 506 */ 507 public abstract Intent getLaunchIntentForPackage(String packageName) 508 throws NameNotFoundException; 509 510 /** 511 * Return an array of all of the secondary group-ids that have been 512 * assigned to a package. 513 * 514 * <p>Throws {@link NameNotFoundException} if a package with the given 515 * name can not be found on the system. 516 * 517 * @param packageName The full name (i.e. com.google.apps.contacts) of the 518 * desired package. 519 * 520 * @return Returns an int array of the assigned gids, or null if there 521 * are none. 522 */ 523 public abstract int[] getPackageGids(String packageName) 524 throws NameNotFoundException; 525 526 /** 527 * Retrieve all of the information we know about a particular permission. 528 * 529 * <p>Throws {@link NameNotFoundException} if a permission with the given 530 * name can not be found on the system. 531 * 532 * @param name The fully qualified name (i.e. com.google.permission.LOGIN) 533 * of the permission you are interested in. 534 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 535 * retrieve any meta-data associated with the permission. 536 * 537 * @return Returns a {@link PermissionInfo} containing information about the 538 * permission. 539 */ 540 public abstract PermissionInfo getPermissionInfo(String name, int flags) 541 throws NameNotFoundException; 542 543 /** 544 * Query for all of the permissions associated with a particular group. 545 * 546 * <p>Throws {@link NameNotFoundException} if the given group does not 547 * exist. 548 * 549 * @param group The fully qualified name (i.e. com.google.permission.LOGIN) 550 * of the permission group you are interested in. Use null to 551 * find all of the permissions not associated with a group. 552 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 553 * retrieve any meta-data associated with the permissions. 554 * 555 * @return Returns a list of {@link PermissionInfo} containing information 556 * about all of the permissions in the given group. 557 */ 558 public abstract List<PermissionInfo> queryPermissionsByGroup(String group, 559 int flags) throws NameNotFoundException; 560 561 /** 562 * Retrieve all of the information we know about a particular group of 563 * permissions. 564 * 565 * <p>Throws {@link NameNotFoundException} if a permission group with the given 566 * name can not be found on the system. 567 * 568 * @param name The fully qualified name (i.e. com.google.permission_group.APPS) 569 * of the permission you are interested in. 570 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 571 * retrieve any meta-data associated with the permission group. 572 * 573 * @return Returns a {@link PermissionGroupInfo} containing information 574 * about the permission. 575 */ 576 public abstract PermissionGroupInfo getPermissionGroupInfo(String name, 577 int flags) throws NameNotFoundException; 578 579 /** 580 * Retrieve all of the known permission groups in the system. 581 * 582 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 583 * retrieve any meta-data associated with the permission group. 584 * 585 * @return Returns a list of {@link PermissionGroupInfo} containing 586 * information about all of the known permission groups. 587 */ 588 public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags); 589 590 /** 591 * Retrieve all of the information we know about a particular 592 * package/application. 593 * 594 * <p>Throws {@link NameNotFoundException} if an application with the given 595 * package name can not be found on the system. 596 * 597 * @param packageName The full name (i.e. com.google.apps.contacts) of an 598 * application. 599 * @param flags Additional option flags. Use any combination of 600 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 601 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 602 * 603 * @return {@link ApplicationInfo} Returns ApplicationInfo object containing 604 * information about the package. 605 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 606 * found in the list of installed applications, 607 * the application information is retrieved from the 608 * list of uninstalled applications(which includes 609 * installed applications as well as applications 610 * with data directory ie applications which had been 611 * deleted with DONT_DELTE_DATA flag set). 612 * 613 * @see #GET_META_DATA 614 * @see #GET_SHARED_LIBRARY_FILES 615 * @see #GET_UNINSTALLED_PACKAGES 616 */ 617 public abstract ApplicationInfo getApplicationInfo(String packageName, 618 int flags) throws NameNotFoundException; 619 620 /** 621 * Retrieve all of the information we know about a particular activity 622 * class. 623 * 624 * <p>Throws {@link NameNotFoundException} if an activity with the given 625 * class name can not be found on the system. 626 * 627 * @param className The full name (i.e. 628 * com.google.apps.contacts.ContactsList) of an Activity 629 * class. 630 * @param flags Additional option flags. Use any combination of 631 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 632 * to modify the data (in ApplicationInfo) returned. 633 * 634 * @return {@link ActivityInfo} containing information about the activity. 635 * 636 * @see #GET_INTENT_FILTERS 637 * @see #GET_META_DATA 638 * @see #GET_SHARED_LIBRARY_FILES 639 */ 640 public abstract ActivityInfo getActivityInfo(ComponentName className, 641 int flags) throws NameNotFoundException; 642 643 /** 644 * Retrieve all of the information we know about a particular receiver 645 * class. 646 * 647 * <p>Throws {@link NameNotFoundException} if a receiver with the given 648 * class name can not be found on the system. 649 * 650 * @param className The full name (i.e. 651 * com.google.apps.contacts.CalendarAlarm) of a Receiver 652 * class. 653 * @param flags Additional option flags. Use any combination of 654 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 655 * to modify the data returned. 656 * 657 * @return {@link ActivityInfo} containing information about the receiver. 658 * 659 * @see #GET_INTENT_FILTERS 660 * @see #GET_META_DATA 661 * @see #GET_SHARED_LIBRARY_FILES 662 */ 663 public abstract ActivityInfo getReceiverInfo(ComponentName className, 664 int flags) throws NameNotFoundException; 665 666 /** 667 * Retrieve all of the information we know about a particular service 668 * class. 669 * 670 * <p>Throws {@link NameNotFoundException} if a service with the given 671 * class name can not be found on the system. 672 * 673 * @param className The full name (i.e. 674 * com.google.apps.media.BackgroundPlayback) of a Service 675 * class. 676 * @param flags Additional option flags. Use any combination of 677 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 678 * to modify the data returned. 679 * 680 * @return ServiceInfo containing information about the service. 681 * 682 * @see #GET_META_DATA 683 * @see #GET_SHARED_LIBRARY_FILES 684 */ 685 public abstract ServiceInfo getServiceInfo(ComponentName className, 686 int flags) throws NameNotFoundException; 687 688 /** 689 * Return a List of all packages that are installed 690 * on the device. 691 * 692 * @param flags Additional option flags. Use any combination of 693 * {@link #GET_ACTIVITIES}, 694 * {@link #GET_GIDS}, 695 * {@link #GET_CONFIGURATIONS}, 696 * {@link #GET_INSTRUMENTATION}, 697 * {@link #GET_PERMISSIONS}, 698 * {@link #GET_PROVIDERS}, 699 * {@link #GET_RECEIVERS}, 700 * {@link #GET_SERVICES}, 701 * {@link #GET_SIGNATURES}, 702 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 703 * 704 * @return A List of PackageInfo objects, one for each package that is 705 * installed on the device. In the unlikely case of there being no 706 * installed packages, an empty list is returned. 707 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 708 * applications including those deleted with DONT_DELETE_DATA 709 * (partially installed apps with data directory) will be returned. 710 * 711 * @see #GET_ACTIVITIES 712 * @see #GET_GIDS 713 * @see #GET_CONFIGURATIONS 714 * @see #GET_INSTRUMENTATION 715 * @see #GET_PERMISSIONS 716 * @see #GET_PROVIDERS 717 * @see #GET_RECEIVERS 718 * @see #GET_SERVICES 719 * @see #GET_SIGNATURES 720 * @see #GET_UNINSTALLED_PACKAGES 721 * 722 */ 723 public abstract List<PackageInfo> getInstalledPackages(int flags); 724 725 /** 726 * Check whether a particular package has been granted a particular 727 * permission. 728 * 729 * @param permName The name of the permission you are checking for, 730 * @param pkgName The name of the package you are checking against. 731 * 732 * @return If the package has the permission, PERMISSION_GRANTED is 733 * returned. If it does not have the permission, PERMISSION_DENIED 734 * is returned. 735 * 736 * @see #PERMISSION_GRANTED 737 * @see #PERMISSION_DENIED 738 */ 739 public abstract int checkPermission(String permName, String pkgName); 740 741 /** 742 * Add a new dynamic permission to the system. For this to work, your 743 * package must have defined a permission tree through the 744 * {@link android.R.styleable#AndroidManifestPermissionTree 745 * <permission-tree>} tag in its manifest. A package can only add 746 * permissions to trees that were defined by either its own package or 747 * another with the same user id; a permission is in a tree if it 748 * matches the name of the permission tree + ".": for example, 749 * "com.foo.bar" is a member of the permission tree "com.foo". 750 * 751 * <p>It is good to make your permission tree name descriptive, because you 752 * are taking possession of that entire set of permission names. Thus, it 753 * must be under a domain you control, with a suffix that will not match 754 * any normal permissions that may be declared in any applications that 755 * are part of that domain. 756 * 757 * <p>New permissions must be added before 758 * any .apks are installed that use those permissions. Permissions you 759 * add through this method are remembered across reboots of the device. 760 * If the given permission already exists, the info you supply here 761 * will be used to update it. 762 * 763 * @param info Description of the permission to be added. 764 * 765 * @return Returns true if a new permission was created, false if an 766 * existing one was updated. 767 * 768 * @throws SecurityException if you are not allowed to add the 769 * given permission name. 770 * 771 * @see #removePermission(String) 772 */ 773 public abstract boolean addPermission(PermissionInfo info); 774 775 /** 776 * Removes a permission that was previously added with 777 * {@link #addPermission(PermissionInfo)}. The same ownership rules apply 778 * -- you are only allowed to remove permissions that you are allowed 779 * to add. 780 * 781 * @param name The name of the permission to remove. 782 * 783 * @throws SecurityException if you are not allowed to remove the 784 * given permission name. 785 * 786 * @see #addPermission(PermissionInfo) 787 */ 788 public abstract void removePermission(String name); 789 790 /** 791 * Compare the signatures of two packages to determine if the same 792 * signature appears in both of them. If they do contain the same 793 * signature, then they are allowed special privileges when working 794 * with each other: they can share the same user-id, run instrumentation 795 * against each other, etc. 796 * 797 * @param pkg1 First package name whose signature will be compared. 798 * @param pkg2 Second package name whose signature will be compared. 799 * @return Returns an integer indicating whether there is a matching 800 * signature: the value is >= 0 if there is a match (or neither package 801 * is signed), or < 0 if there is not a match. The match result can be 802 * further distinguished with the success (>= 0) constants 803 * {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or 804 * failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED}, 805 * {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH}, 806 * or {@link #SIGNATURE_UNKNOWN_PACKAGE}. 807 * 808 * @see #SIGNATURE_MATCH 809 * @see #SIGNATURE_NEITHER_SIGNED 810 * @see #SIGNATURE_FIRST_NOT_SIGNED 811 * @see #SIGNATURE_SECOND_NOT_SIGNED 812 * @see #SIGNATURE_NO_MATCH 813 * @see #SIGNATURE_UNKNOWN_PACKAGE 814 */ 815 public abstract int checkSignatures(String pkg1, String pkg2); 816 817 /** 818 * Retrieve the names of all packages that are associated with a particular 819 * user id. In most cases, this will be a single package name, the package 820 * that has been assigned that user id. Where there are multiple packages 821 * sharing the same user id through the "sharedUserId" mechanism, all 822 * packages with that id will be returned. 823 * 824 * @param uid The user id for which you would like to retrieve the 825 * associated packages. 826 * 827 * @return Returns an array of one or more packages assigned to the user 828 * id, or null if there are no known packages with the given id. 829 */ 830 public abstract String[] getPackagesForUid(int uid); 831 832 /** 833 * Retrieve the official name associated with a user id. This name is 834 * guaranteed to never change, though it is possibly for the underlying 835 * user id to be changed. That is, if you are storing information about 836 * user ids in persistent storage, you should use the string returned 837 * by this function instead of the raw user-id. 838 * 839 * @param uid The user id for which you would like to retrieve a name. 840 * @return Returns a unique name for the given user id, or null if the 841 * user id is not currently assigned. 842 */ 843 public abstract String getNameForUid(int uid); 844 845 /** 846 * Return the user id associated with a shared user name. Multiple 847 * applications can specify a shared user name in their manifest and thus 848 * end up using a common uid. This might be used for new applications 849 * that use an existing shared user name and need to know the uid of the 850 * shared user. 851 * 852 * @param sharedUserName The shared user name whose uid is to be retrieved. 853 * @return Returns the uid associated with the shared user, or NameNotFoundException 854 * if the shared user name is not being used by any installed packages 855 * @hide 856 */ 857 public abstract int getUidForSharedUser(String sharedUserName) 858 throws NameNotFoundException; 859 860 /** 861 * Return a List of all application packages that are installed on the 862 * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all 863 * applications including those deleted with DONT_DELETE_DATA(partially 864 * installed apps with data directory) will be returned. 865 * 866 * @param flags Additional option flags. Use any combination of 867 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 868 * {link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 869 * 870 * @return A List of ApplicationInfo objects, one for each application that 871 * is installed on the device. In the unlikely case of there being 872 * no installed applications, an empty list is returned. 873 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 874 * applications including those deleted with DONT_DELETE_DATA 875 * (partially installed apps with data directory) will be returned. 876 * 877 * @see #GET_META_DATA 878 * @see #GET_SHARED_LIBRARY_FILES 879 * @see #GET_UNINSTALLED_PACKAGES 880 */ 881 public abstract List<ApplicationInfo> getInstalledApplications(int flags); 882 883 /** 884 * Get a list of shared libraries that are available on the 885 * system. 886 * 887 * @return An array of shared library names that are 888 * available on the system, or null if none are installed. 889 * 890 */ 891 public abstract String[] getSystemSharedLibraryNames(); 892 893 /** 894 * Determine the best action to perform for a given Intent. This is how 895 * {@link Intent#resolveActivity} finds an activity if a class has not 896 * been explicitly specified. 897 * 898 * @param intent An intent containing all of the desired specification 899 * (action, data, type, category, and/or component). 900 * @param flags Additional option flags. The most important is 901 * MATCH_DEFAULT_ONLY, to limit the resolution to only 902 * those activities that support the CATEGORY_DEFAULT. 903 * 904 * @return Returns a ResolveInfo containing the final activity intent that 905 * was determined to be the best action. Returns null if no 906 * matching activity was found. 907 * 908 * @see #MATCH_DEFAULT_ONLY 909 * @see #GET_INTENT_FILTERS 910 * @see #GET_RESOLVED_FILTER 911 */ 912 public abstract ResolveInfo resolveActivity(Intent intent, int flags); 913 914 /** 915 * Retrieve all activities that can be performed for the given intent. 916 * 917 * @param intent The desired intent as per resolveActivity(). 918 * @param flags Additional option flags. The most important is 919 * MATCH_DEFAULT_ONLY, to limit the resolution to only 920 * those activities that support the CATEGORY_DEFAULT. 921 * 922 * @return A List<ResolveInfo> containing one entry for each matching 923 * Activity. These are ordered from best to worst match -- that 924 * is, the first item in the list is what is returned by 925 * resolveActivity(). If there are no matching activities, an empty 926 * list is returned. 927 * 928 * @see #MATCH_DEFAULT_ONLY 929 * @see #GET_INTENT_FILTERS 930 * @see #GET_RESOLVED_FILTER 931 */ 932 public abstract List<ResolveInfo> queryIntentActivities(Intent intent, 933 int flags); 934 935 /** 936 * Retrieve a set of activities that should be presented to the user as 937 * similar options. This is like {@link #queryIntentActivities}, except it 938 * also allows you to supply a list of more explicit Intents that you would 939 * like to resolve to particular options, and takes care of returning the 940 * final ResolveInfo list in a reasonable order, with no duplicates, based 941 * on those inputs. 942 * 943 * @param caller The class name of the activity that is making the 944 * request. This activity will never appear in the output 945 * list. Can be null. 946 * @param specifics An array of Intents that should be resolved to the 947 * first specific results. Can be null. 948 * @param intent The desired intent as per resolveActivity(). 949 * @param flags Additional option flags. The most important is 950 * MATCH_DEFAULT_ONLY, to limit the resolution to only 951 * those activities that support the CATEGORY_DEFAULT. 952 * 953 * @return A List<ResolveInfo> containing one entry for each matching 954 * Activity. These are ordered first by all of the intents resolved 955 * in <var>specifics</var> and then any additional activities that 956 * can handle <var>intent</var> but did not get included by one of 957 * the <var>specifics</var> intents. If there are no matching 958 * activities, an empty list is returned. 959 * 960 * @see #MATCH_DEFAULT_ONLY 961 * @see #GET_INTENT_FILTERS 962 * @see #GET_RESOLVED_FILTER 963 */ 964 public abstract List<ResolveInfo> queryIntentActivityOptions( 965 ComponentName caller, Intent[] specifics, Intent intent, int flags); 966 967 /** 968 * Retrieve all receivers that can handle a broadcast of the given intent. 969 * 970 * @param intent The desired intent as per resolveActivity(). 971 * @param flags Additional option flags. The most important is 972 * MATCH_DEFAULT_ONLY, to limit the resolution to only 973 * those activities that support the CATEGORY_DEFAULT. 974 * 975 * @return A List<ResolveInfo> containing one entry for each matching 976 * Receiver. These are ordered from first to last in priority. If 977 * there are no matching receivers, an empty list is returned. 978 * 979 * @see #MATCH_DEFAULT_ONLY 980 * @see #GET_INTENT_FILTERS 981 * @see #GET_RESOLVED_FILTER 982 */ 983 public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent, 984 int flags); 985 986 /** 987 * Determine the best service to handle for a given Intent. 988 * 989 * @param intent An intent containing all of the desired specification 990 * (action, data, type, category, and/or component). 991 * @param flags Additional option flags. 992 * 993 * @return Returns a ResolveInfo containing the final service intent that 994 * was determined to be the best action. Returns null if no 995 * matching service was found. 996 * 997 * @see #GET_INTENT_FILTERS 998 * @see #GET_RESOLVED_FILTER 999 */ 1000 public abstract ResolveInfo resolveService(Intent intent, int flags); 1001 1002 /** 1003 * Retrieve all services that can match the given intent. 1004 * 1005 * @param intent The desired intent as per resolveService(). 1006 * @param flags Additional option flags. 1007 * 1008 * @return A List<ResolveInfo> containing one entry for each matching 1009 * ServiceInfo. These are ordered from best to worst match -- that 1010 * is, the first item in the list is what is returned by 1011 * resolveService(). If there are no matching services, an empty 1012 * list is returned. 1013 * 1014 * @see #GET_INTENT_FILTERS 1015 * @see #GET_RESOLVED_FILTER 1016 */ 1017 public abstract List<ResolveInfo> queryIntentServices(Intent intent, 1018 int flags); 1019 1020 /** 1021 * Find a single content provider by its base path name. 1022 * 1023 * @param name The name of the provider to find. 1024 * @param flags Additional option flags. Currently should always be 0. 1025 * 1026 * @return ContentProviderInfo Information about the provider, if found, 1027 * else null. 1028 */ 1029 public abstract ProviderInfo resolveContentProvider(String name, 1030 int flags); 1031 1032 /** 1033 * Retrieve content provider information. 1034 * 1035 * <p><em>Note: unlike most other methods, an empty result set is indicated 1036 * by a null return instead of an empty list.</em> 1037 * 1038 * @param processName If non-null, limits the returned providers to only 1039 * those that are hosted by the given process. If null, 1040 * all content providers are returned. 1041 * @param uid If <var>processName</var> is non-null, this is the required 1042 * uid owning the requested content providers. 1043 * @param flags Additional option flags. Currently should always be 0. 1044 * 1045 * @return A List<ContentProviderInfo> containing one entry for each 1046 * content provider either patching <var>processName</var> or, if 1047 * <var>processName</var> is null, all known content providers. 1048 * <em>If there are no matching providers, null is returned.</em> 1049 */ 1050 public abstract List<ProviderInfo> queryContentProviders( 1051 String processName, int uid, int flags); 1052 1053 /** 1054 * Retrieve all of the information we know about a particular 1055 * instrumentation class. 1056 * 1057 * <p>Throws {@link NameNotFoundException} if instrumentation with the 1058 * given class name can not be found on the system. 1059 * 1060 * @param className The full name (i.e. 1061 * com.google.apps.contacts.InstrumentList) of an 1062 * Instrumentation class. 1063 * @param flags Additional option flags. Currently should always be 0. 1064 * 1065 * @return InstrumentationInfo containing information about the 1066 * instrumentation. 1067 */ 1068 public abstract InstrumentationInfo getInstrumentationInfo( 1069 ComponentName className, int flags) throws NameNotFoundException; 1070 1071 /** 1072 * Retrieve information about available instrumentation code. May be used 1073 * to retrieve either all instrumentation code, or only the code targeting 1074 * a particular package. 1075 * 1076 * @param targetPackage If null, all instrumentation is returned; only the 1077 * instrumentation targeting this package name is 1078 * returned. 1079 * @param flags Additional option flags. Currently should always be 0. 1080 * 1081 * @return A List<InstrumentationInfo> containing one entry for each 1082 * matching available Instrumentation. Returns an empty list if 1083 * there is no instrumentation available for the given package. 1084 */ 1085 public abstract List<InstrumentationInfo> queryInstrumentation( 1086 String targetPackage, int flags); 1087 1088 /** 1089 * Retrieve an image from a package. This is a low-level API used by 1090 * the various package manager info structures (such as 1091 * {@link ComponentInfo} to implement retrieval of their associated 1092 * icon. 1093 * 1094 * @param packageName The name of the package that this icon is coming from. 1095 * Can not be null. 1096 * @param resid The resource identifier of the desired image. Can not be 0. 1097 * @param appInfo Overall information about <var>packageName</var>. This 1098 * may be null, in which case the application information will be retrieved 1099 * for you if needed; if you already have this information around, it can 1100 * be much more efficient to supply it here. 1101 * 1102 * @return Returns a Drawable holding the requested image. Returns null if 1103 * an image could not be found for any reason. 1104 */ 1105 public abstract Drawable getDrawable(String packageName, int resid, 1106 ApplicationInfo appInfo); 1107 1108 /** 1109 * Retrieve the icon associated with an activity. Given the full name of 1110 * an activity, retrieves the information about it and calls 1111 * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon. 1112 * If the activity can not be found, NameNotFoundException is thrown. 1113 * 1114 * @param activityName Name of the activity whose icon is to be retrieved. 1115 * 1116 * @return Returns the image of the icon, or the default activity icon if 1117 * it could not be found. Does not return null. 1118 * @throws NameNotFoundException Thrown if the resources for the given 1119 * activity could not be loaded. 1120 * 1121 * @see #getActivityIcon(Intent) 1122 */ 1123 public abstract Drawable getActivityIcon(ComponentName activityName) 1124 throws NameNotFoundException; 1125 1126 /** 1127 * Retrieve the icon associated with an Intent. If intent.getClassName() is 1128 * set, this simply returns the result of 1129 * getActivityIcon(intent.getClassName()). Otherwise it resolves the intent's 1130 * component and returns the icon associated with the resolved component. 1131 * If intent.getClassName() can not be found or the Intent can not be resolved 1132 * to a component, NameNotFoundException is thrown. 1133 * 1134 * @param intent The intent for which you would like to retrieve an icon. 1135 * 1136 * @return Returns the image of the icon, or the default activity icon if 1137 * it could not be found. Does not return null. 1138 * @throws NameNotFoundException Thrown if the resources for application 1139 * matching the given intent could not be loaded. 1140 * 1141 * @see #getActivityIcon(ComponentName) 1142 */ 1143 public abstract Drawable getActivityIcon(Intent intent) 1144 throws NameNotFoundException; 1145 1146 /** 1147 * Return the generic icon for an activity that is used when no specific 1148 * icon is defined. 1149 * 1150 * @return Drawable Image of the icon. 1151 */ 1152 public abstract Drawable getDefaultActivityIcon(); 1153 1154 /** 1155 * Retrieve the icon associated with an application. If it has not defined 1156 * an icon, the default app icon is returned. Does not return null. 1157 * 1158 * @param info Information about application being queried. 1159 * 1160 * @return Returns the image of the icon, or the default application icon 1161 * if it could not be found. 1162 * 1163 * @see #getApplicationIcon(String) 1164 */ 1165 public abstract Drawable getApplicationIcon(ApplicationInfo info); 1166 1167 /** 1168 * Retrieve the icon associated with an application. Given the name of the 1169 * application's package, retrieves the information about it and calls 1170 * getApplicationIcon() to return its icon. If the application can not be 1171 * found, NameNotFoundException is thrown. 1172 * 1173 * @param packageName Name of the package whose application icon is to be 1174 * retrieved. 1175 * 1176 * @return Returns the image of the icon, or the default application icon 1177 * if it could not be found. Does not return null. 1178 * @throws NameNotFoundException Thrown if the resources for the given 1179 * application could not be loaded. 1180 * 1181 * @see #getApplicationIcon(ApplicationInfo) 1182 */ 1183 public abstract Drawable getApplicationIcon(String packageName) 1184 throws NameNotFoundException; 1185 1186 /** 1187 * Retrieve text from a package. This is a low-level API used by 1188 * the various package manager info structures (such as 1189 * {@link ComponentInfo} to implement retrieval of their associated 1190 * labels and other text. 1191 * 1192 * @param packageName The name of the package that this text is coming from. 1193 * Can not be null. 1194 * @param resid The resource identifier of the desired text. Can not be 0. 1195 * @param appInfo Overall information about <var>packageName</var>. This 1196 * may be null, in which case the application information will be retrieved 1197 * for you if needed; if you already have this information around, it can 1198 * be much more efficient to supply it here. 1199 * 1200 * @return Returns a CharSequence holding the requested text. Returns null 1201 * if the text could not be found for any reason. 1202 */ 1203 public abstract CharSequence getText(String packageName, int resid, 1204 ApplicationInfo appInfo); 1205 1206 /** 1207 * Retrieve an XML file from a package. This is a low-level API used to 1208 * retrieve XML meta data. 1209 * 1210 * @param packageName The name of the package that this xml is coming from. 1211 * Can not be null. 1212 * @param resid The resource identifier of the desired xml. Can not be 0. 1213 * @param appInfo Overall information about <var>packageName</var>. This 1214 * may be null, in which case the application information will be retrieved 1215 * for you if needed; if you already have this information around, it can 1216 * be much more efficient to supply it here. 1217 * 1218 * @return Returns an XmlPullParser allowing you to parse out the XML 1219 * data. Returns null if the xml resource could not be found for any 1220 * reason. 1221 */ 1222 public abstract XmlResourceParser getXml(String packageName, int resid, 1223 ApplicationInfo appInfo); 1224 1225 /** 1226 * Return the label to use for this application. 1227 * 1228 * @return Returns the label associated with this application, or null if 1229 * it could not be found for any reason. 1230 * @param info The application to get the label of 1231 */ 1232 public abstract CharSequence getApplicationLabel(ApplicationInfo info); 1233 1234 /** 1235 * Retrieve the resources associated with an activity. Given the full 1236 * name of an activity, retrieves the information about it and calls 1237 * getResources() to return its application's resources. If the activity 1238 * can not be found, NameNotFoundException is thrown. 1239 * 1240 * @param activityName Name of the activity whose resources are to be 1241 * retrieved. 1242 * 1243 * @return Returns the application's Resources. 1244 * @throws NameNotFoundException Thrown if the resources for the given 1245 * application could not be loaded. 1246 * 1247 * @see #getResourcesForApplication(ApplicationInfo) 1248 */ 1249 public abstract Resources getResourcesForActivity(ComponentName activityName) 1250 throws NameNotFoundException; 1251 1252 /** 1253 * Retrieve the resources for an application. Throws NameNotFoundException 1254 * if the package is no longer installed. 1255 * 1256 * @param app Information about the desired application. 1257 * 1258 * @return Returns the application's Resources. 1259 * @throws NameNotFoundException Thrown if the resources for the given 1260 * application could not be loaded (most likely because it was uninstalled). 1261 */ 1262 public abstract Resources getResourcesForApplication(ApplicationInfo app) 1263 throws NameNotFoundException; 1264 1265 /** 1266 * Retrieve the resources associated with an application. Given the full 1267 * package name of an application, retrieves the information about it and 1268 * calls getResources() to return its application's resources. If the 1269 * appPackageName can not be found, NameNotFoundException is thrown. 1270 * 1271 * @param appPackageName Package name of the application whose resources 1272 * are to be retrieved. 1273 * 1274 * @return Returns the application's Resources. 1275 * @throws NameNotFoundException Thrown if the resources for the given 1276 * application could not be loaded. 1277 * 1278 * @see #getResourcesForApplication(ApplicationInfo) 1279 */ 1280 public abstract Resources getResourcesForApplication(String appPackageName) 1281 throws NameNotFoundException; 1282 1283 /** 1284 * Retrieve overall information about an application package defined 1285 * in a package archive file 1286 * 1287 * @param archiveFilePath The path to the archive file 1288 * @param flags Additional option flags. Use any combination of 1289 * {@link #GET_ACTIVITIES}, 1290 * {@link #GET_GIDS}, 1291 * {@link #GET_CONFIGURATIONS}, 1292 * {@link #GET_INSTRUMENTATION}, 1293 * {@link #GET_PERMISSIONS}, 1294 * {@link #GET_PROVIDERS}, 1295 * {@link #GET_RECEIVERS}, 1296 * {@link #GET_SERVICES}, 1297 * {@link #GET_SIGNATURES}, to modify the data returned. 1298 * 1299 * @return Returns the information about the package. Returns 1300 * null if the package could not be successfully parsed. 1301 * 1302 * @see #GET_ACTIVITIES 1303 * @see #GET_GIDS 1304 * @see #GET_CONFIGURATIONS 1305 * @see #GET_INSTRUMENTATION 1306 * @see #GET_PERMISSIONS 1307 * @see #GET_PROVIDERS 1308 * @see #GET_RECEIVERS 1309 * @see #GET_SERVICES 1310 * @see #GET_SIGNATURES 1311 * 1312 */ 1313 public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) { 1314 PackageParser packageParser = new PackageParser(archiveFilePath); 1315 DisplayMetrics metrics = new DisplayMetrics(); 1316 metrics.setToDefaults(); 1317 final File sourceFile = new File(archiveFilePath); 1318 PackageParser.Package pkg = packageParser.parsePackage( 1319 sourceFile, archiveFilePath, metrics, 0); 1320 if (pkg == null) { 1321 return null; 1322 } 1323 return PackageParser.generatePackageInfo(pkg, null, flags); 1324 } 1325 1326 /** 1327 * Install a package. Since this may take a little while, the result will 1328 * be posted back to the given observer. An installation will fail if the calling context 1329 * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the 1330 * package named in the package file's manifest is already installed, or if there's no space 1331 * available on the device. 1332 * 1333 * @param packageURI The location of the package file to install. This can be a 'file:' or a 1334 * 'content:' URI. 1335 * @param observer An observer callback to get notified when the package installation is 1336 * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be 1337 * called when that happens. observer may be null to indicate that no callback is desired. 1338 * @param flags - possible values: {@link #FORWARD_LOCK_PACKAGE}, 1339 * {@link #REPLACE_EXISTING_PACKAGE} 1340 * 1341 * @see #installPackage(android.net.Uri) 1342 */ 1343 public abstract void installPackage( 1344 Uri packageURI, IPackageInstallObserver observer, int flags); 1345 1346 /** 1347 * Attempts to delete a package. Since this may take a little while, the result will 1348 * be posted back to the given observer. A deletion will fail if the calling context 1349 * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the 1350 * named package cannot be found, or if the named package is a "system package". 1351 * (TODO: include pointer to documentation on "system packages") 1352 * 1353 * @param packageName The name of the package to delete 1354 * @param observer An observer callback to get notified when the package deletion is 1355 * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be 1356 * called when that happens. observer may be null to indicate that no callback is desired. 1357 * @param flags - possible values: {@link #DONT_DELETE_DATA} 1358 * 1359 * @hide 1360 */ 1361 public abstract void deletePackage( 1362 String packageName, IPackageDeleteObserver observer, int flags); 1363 /** 1364 * Attempts to clear the user data directory of an application. 1365 * Since this may take a little while, the result will 1366 * be posted back to the given observer. A deletion will fail if the 1367 * named package cannot be found, or if the named package is a "system package". 1368 * 1369 * @param packageName The name of the package 1370 * @param observer An observer callback to get notified when the operation is finished 1371 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1372 * will be called when that happens. observer may be null to indicate that 1373 * no callback is desired. 1374 * 1375 * @hide 1376 */ 1377 public abstract void clearApplicationUserData(String packageName, 1378 IPackageDataObserver observer); 1379 /** 1380 * Attempts to delete the cache files associated with an application. 1381 * Since this may take a little while, the result will 1382 * be posted back to the given observer. A deletion will fail if the calling context 1383 * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the 1384 * named package cannot be found, or if the named package is a "system package". 1385 * 1386 * @param packageName The name of the package to delete 1387 * @param observer An observer callback to get notified when the cache file deletion 1388 * is complete. 1389 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1390 * will be called when that happens. observer may be null to indicate that 1391 * no callback is desired. 1392 * 1393 * @hide 1394 */ 1395 public abstract void deleteApplicationCacheFiles(String packageName, 1396 IPackageDataObserver observer); 1397 1398 /** 1399 * Free storage by deleting LRU sorted list of cache files across 1400 * all applications. If the currently available free storage 1401 * on the device is greater than or equal to the requested 1402 * free storage, no cache files are cleared. If the currently 1403 * available storage on the device is less than the requested 1404 * free storage, some or all of the cache files across 1405 * all applications are deleted (based on last accessed time) 1406 * to increase the free storage space on the device to 1407 * the requested value. There is no guarantee that clearing all 1408 * the cache files from all applications will clear up 1409 * enough storage to achieve the desired value. 1410 * @param freeStorageSize The number of bytes of storage to be 1411 * freed by the system. Say if freeStorageSize is XX, 1412 * and the current free storage is YY, 1413 * if XX is less than YY, just return. if not free XX-YY number 1414 * of bytes if possible. 1415 * @param observer call back used to notify when 1416 * the operation is completed 1417 * 1418 * @hide 1419 */ 1420 public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer); 1421 1422 /** 1423 * Free storage by deleting LRU sorted list of cache files across 1424 * all applications. If the currently available free storage 1425 * on the device is greater than or equal to the requested 1426 * free storage, no cache files are cleared. If the currently 1427 * available storage on the device is less than the requested 1428 * free storage, some or all of the cache files across 1429 * all applications are deleted (based on last accessed time) 1430 * to increase the free storage space on the device to 1431 * the requested value. There is no guarantee that clearing all 1432 * the cache files from all applications will clear up 1433 * enough storage to achieve the desired value. 1434 * @param freeStorageSize The number of bytes of storage to be 1435 * freed by the system. Say if freeStorageSize is XX, 1436 * and the current free storage is YY, 1437 * if XX is less than YY, just return. if not free XX-YY number 1438 * of bytes if possible. 1439 * @param opFinishedIntent PendingIntent call back used to 1440 * notify when the operation is completed.May be null 1441 * to indicate that no call back is desired. 1442 * 1443 * @hide 1444 */ 1445 public abstract void freeStorage(long freeStorageSize, PendingIntent opFinishedIntent); 1446 1447 /** 1448 * Retrieve the size information for a package. 1449 * Since this may take a little while, the result will 1450 * be posted back to the given observer. The calling context 1451 * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission. 1452 * 1453 * @param packageName The name of the package whose size information is to be retrieved 1454 * @param observer An observer callback to get notified when the operation 1455 * is complete. 1456 * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)} 1457 * The observer's callback is invoked with a PackageStats object(containing the 1458 * code, data and cache sizes of the package) and a boolean value representing 1459 * the status of the operation. observer may be null to indicate that 1460 * no callback is desired. 1461 * 1462 * @hide 1463 */ 1464 public abstract void getPackageSizeInfo(String packageName, 1465 IPackageStatsObserver observer); 1466 1467 /** 1468 * Install a package. 1469 * 1470 * @param packageURI The location of the package file to install 1471 * 1472 * @see #installPackage(android.net.Uri, IPackageInstallObserver, int) 1473 */ 1474 public void installPackage(Uri packageURI) { 1475 installPackage(packageURI, null, 0); 1476 } 1477 1478 /** 1479 * Add a new package to the list of preferred packages. This new package 1480 * will be added to the front of the list (removed from its current location 1481 * if already listed), meaning it will now be preferred over all other 1482 * packages when resolving conflicts. 1483 * 1484 * @param packageName The package name of the new package to make preferred. 1485 */ 1486 public abstract void addPackageToPreferred(String packageName); 1487 1488 /** 1489 * Remove a package from the list of preferred packages. If it was on 1490 * the list, it will no longer be preferred over other packages. 1491 * 1492 * @param packageName The package name to remove. 1493 */ 1494 public abstract void removePackageFromPreferred(String packageName); 1495 1496 /** 1497 * Retrieve the list of all currently configured preferred packages. The 1498 * first package on the list is the most preferred, the last is the 1499 * least preferred. 1500 * 1501 * @param flags Additional option flags. Use any combination of 1502 * {@link #GET_ACTIVITIES}, 1503 * {@link #GET_GIDS}, 1504 * {@link #GET_CONFIGURATIONS}, 1505 * {@link #GET_INSTRUMENTATION}, 1506 * {@link #GET_PERMISSIONS}, 1507 * {@link #GET_PROVIDERS}, 1508 * {@link #GET_RECEIVERS}, 1509 * {@link #GET_SERVICES}, 1510 * {@link #GET_SIGNATURES}, to modify the data returned. 1511 * 1512 * @return Returns a list of PackageInfo objects describing each 1513 * preferred application, in order of preference. 1514 * 1515 * @see #GET_ACTIVITIES 1516 * @see #GET_GIDS 1517 * @see #GET_CONFIGURATIONS 1518 * @see #GET_INSTRUMENTATION 1519 * @see #GET_PERMISSIONS 1520 * @see #GET_PROVIDERS 1521 * @see #GET_RECEIVERS 1522 * @see #GET_SERVICES 1523 * @see #GET_SIGNATURES 1524 */ 1525 public abstract List<PackageInfo> getPreferredPackages(int flags); 1526 1527 /** 1528 * Add a new preferred activity mapping to the system. This will be used 1529 * to automatically select the given activity component when 1530 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1531 * multiple matching activities and also matches the given filter. 1532 * 1533 * @param filter The set of intents under which this activity will be 1534 * made preferred. 1535 * @param match The IntentFilter match category that this preference 1536 * applies to. 1537 * @param set The set of activities that the user was picking from when 1538 * this preference was made. 1539 * @param activity The component name of the activity that is to be 1540 * preferred. 1541 */ 1542 public abstract void addPreferredActivity(IntentFilter filter, int match, 1543 ComponentName[] set, ComponentName activity); 1544 1545 /** 1546 * Remove all preferred activity mappings, previously added with 1547 * {@link #addPreferredActivity}, from the 1548 * system whose activities are implemented in the given package name. 1549 * 1550 * @param packageName The name of the package whose preferred activity 1551 * mappings are to be removed. 1552 */ 1553 public abstract void clearPackagePreferredActivities(String packageName); 1554 1555 /** 1556 * Retrieve all preferred activities, previously added with 1557 * {@link #addPreferredActivity}, that are 1558 * currently registered with the system. 1559 * 1560 * @param outFilters A list in which to place the filters of all of the 1561 * preferred activities, or null for none. 1562 * @param outActivities A list in which to place the component names of 1563 * all of the preferred activities, or null for none. 1564 * @param packageName An option package in which you would like to limit 1565 * the list. If null, all activities will be returned; if non-null, only 1566 * those activities in the given package are returned. 1567 * 1568 * @return Returns the total number of registered preferred activities 1569 * (the number of distinct IntentFilter records, not the number of unique 1570 * activity components) that were found. 1571 */ 1572 public abstract int getPreferredActivities(List<IntentFilter> outFilters, 1573 List<ComponentName> outActivities, String packageName); 1574 1575 /** 1576 * Set the enabled setting for a package component (activity, receiver, service, provider). 1577 * This setting will override any enabled state which may have been set by the component in its 1578 * manifest. 1579 * 1580 * @param componentName The component to enable 1581 * @param newState The new enabled state for the component. The legal values for this state 1582 * are: 1583 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1584 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1585 * and 1586 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1587 * The last one removes the setting, thereby restoring the component's state to 1588 * whatever was set in it's manifest (or enabled, by default). 1589 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1590 */ 1591 public abstract void setComponentEnabledSetting(ComponentName componentName, 1592 int newState, int flags); 1593 1594 1595 /** 1596 * Return the the enabled setting for a package component (activity, 1597 * receiver, service, provider). This returns the last value set by 1598 * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most 1599 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1600 * the value originally specified in the manifest has not been modified. 1601 * 1602 * @param componentName The component to retrieve. 1603 * @return Returns the current enabled state for the component. May 1604 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1605 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1606 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1607 * component's enabled state is based on the original information in 1608 * the manifest as found in {@link ComponentInfo}. 1609 */ 1610 public abstract int getComponentEnabledSetting(ComponentName componentName); 1611 1612 /** 1613 * Set the enabled setting for an application 1614 * This setting will override any enabled state which may have been set by the application in 1615 * its manifest. It also overrides the enabled state set in the manifest for any of the 1616 * application's components. It does not override any enabled state set by 1617 * {@link #setComponentEnabledSetting} for any of the application's components. 1618 * 1619 * @param packageName The package name of the application to enable 1620 * @param newState The new enabled state for the component. The legal values for this state 1621 * are: 1622 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1623 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1624 * and 1625 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1626 * The last one removes the setting, thereby restoring the applications's state to 1627 * whatever was set in its manifest (or enabled, by default). 1628 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1629 */ 1630 public abstract void setApplicationEnabledSetting(String packageName, 1631 int newState, int flags); 1632 1633 /** 1634 * Return the the enabled setting for an application. This returns 1635 * the last value set by 1636 * {@link #setApplicationEnabledSetting(String, int, int)}; in most 1637 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1638 * the value originally specified in the manifest has not been modified. 1639 * 1640 * @param packageName The component to retrieve. 1641 * @return Returns the current enabled state for the component. May 1642 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1643 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1644 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1645 * application's enabled state is based on the original information in 1646 * the manifest as found in {@link ComponentInfo}. 1647 */ 1648 public abstract int getApplicationEnabledSetting(String packageName); 1649 1650 /** 1651 * Return whether the device has been booted into safe mode. 1652 */ 1653 public abstract boolean isSafeMode(); 1654} 1655