PackageManager.java revision e1fae30e20b1515eeb036a7c103e1e70de130bdd
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.IntentSender; 26import android.content.res.Resources; 27import android.content.res.XmlResourceParser; 28import android.graphics.drawable.Drawable; 29import android.net.Uri; 30import android.util.AndroidException; 31import android.util.DisplayMetrics; 32 33import java.io.File; 34import java.util.List; 35 36/** 37 * Class for retrieving various kinds of information related to the application 38 * packages that are currently installed on the device. 39 * 40 * You can find this class through {@link Context#getPackageManager}. 41 */ 42public abstract class PackageManager { 43 44 /** 45 * This exception is thrown when a given package, application, or component 46 * name can not be found. 47 */ 48 public static class NameNotFoundException extends AndroidException { 49 public NameNotFoundException() { 50 } 51 52 public NameNotFoundException(String name) { 53 super(name); 54 } 55 } 56 57 /** 58 * {@link PackageInfo} flag: return information about 59 * activities in the package in {@link PackageInfo#activities}. 60 */ 61 public static final int GET_ACTIVITIES = 0x00000001; 62 63 /** 64 * {@link PackageInfo} flag: return information about 65 * intent receivers in the package in 66 * {@link PackageInfo#receivers}. 67 */ 68 public static final int GET_RECEIVERS = 0x00000002; 69 70 /** 71 * {@link PackageInfo} flag: return information about 72 * services in the package in {@link PackageInfo#services}. 73 */ 74 public static final int GET_SERVICES = 0x00000004; 75 76 /** 77 * {@link PackageInfo} flag: return information about 78 * content providers in the package in 79 * {@link PackageInfo#providers}. 80 */ 81 public static final int GET_PROVIDERS = 0x00000008; 82 83 /** 84 * {@link PackageInfo} flag: return information about 85 * instrumentation in the package in 86 * {@link PackageInfo#instrumentation}. 87 */ 88 public static final int GET_INSTRUMENTATION = 0x00000010; 89 90 /** 91 * {@link PackageInfo} flag: return information about the 92 * intent filters supported by the activity. 93 */ 94 public static final int GET_INTENT_FILTERS = 0x00000020; 95 96 /** 97 * {@link PackageInfo} flag: return information about the 98 * signatures included in the package. 99 */ 100 public static final int GET_SIGNATURES = 0x00000040; 101 102 /** 103 * {@link ResolveInfo} flag: return the IntentFilter that 104 * was matched for a particular ResolveInfo in 105 * {@link ResolveInfo#filter}. 106 */ 107 public static final int GET_RESOLVED_FILTER = 0x00000040; 108 109 /** 110 * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData} 111 * data {@link android.os.Bundle}s that are associated with a component. 112 * This applies for any API returning a ComponentInfo subclass. 113 */ 114 public static final int GET_META_DATA = 0x00000080; 115 116 /** 117 * {@link PackageInfo} flag: return the 118 * {@link PackageInfo#gids group ids} that are associated with an 119 * application. 120 * This applies for any API returning an PackageInfo class, either 121 * directly or nested inside of another. 122 */ 123 public static final int GET_GIDS = 0x00000100; 124 125 /** 126 * {@link PackageInfo} flag: include disabled components in the returned info. 127 */ 128 public static final int GET_DISABLED_COMPONENTS = 0x00000200; 129 130 /** 131 * {@link ApplicationInfo} flag: return the 132 * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries} 133 * that are associated with an application. 134 * This applies for any API returning an ApplicationInfo class, either 135 * directly or nested inside of another. 136 */ 137 public static final int GET_SHARED_LIBRARY_FILES = 0x00000400; 138 139 /** 140 * {@link ProviderInfo} flag: return the 141 * {@link ProviderInfo#uriPermissionPatterns URI permission patterns} 142 * that are associated with a content provider. 143 * This applies for any API returning an ProviderInfo class, either 144 * directly or nested inside of another. 145 */ 146 public static final int GET_URI_PERMISSION_PATTERNS = 0x00000800; 147 /** 148 * {@link PackageInfo} flag: return information about 149 * permissions in the package in 150 * {@link PackageInfo#permissions}. 151 */ 152 public static final int GET_PERMISSIONS = 0x00001000; 153 154 /** 155 * Flag parameter to retrieve all applications(even uninstalled ones) with data directories. 156 * This state could have resulted if applications have been deleted with flag 157 * DONT_DELETE_DATA 158 * with a possibility of being replaced or reinstalled in future 159 */ 160 public static final int GET_UNINSTALLED_PACKAGES = 0x00002000; 161 162 /** 163 * {@link PackageInfo} flag: return information about 164 * hardware preferences 165 * {@link PackageInfo#configPreferences} 166 */ 167 public static final int GET_CONFIGURATIONS = 0x00004000; 168 169 /** 170 * {@link ApplicationInfo} flag: return the 171 * {@link ApplicationInfo#supportsDensities} that the package supports. 172 */ 173 public static final int GET_SUPPORTS_DENSITIES = 0x00008000; 174 175 /** 176 * Resolution and querying flag: if set, only filters that support the 177 * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for 178 * matching. This is a synonym for including the CATEGORY_DEFAULT in your 179 * supplied Intent. 180 */ 181 public static final int MATCH_DEFAULT_ONLY = 0x00010000; 182 183 /** 184 * {@link ApplicationInfo} flag: return the 185 * {link ApplicationInfo#expandable} boolean flag of the package. 186 */ 187 public static final int GET_EXPANDABLE = 0x00020000; 188 189 /** 190 * Permission check result: this is returned by {@link #checkPermission} 191 * if the permission has been granted to the given package. 192 */ 193 public static final int PERMISSION_GRANTED = 0; 194 195 /** 196 * Permission check result: this is returned by {@link #checkPermission} 197 * if the permission has not been granted to the given package. 198 */ 199 public static final int PERMISSION_DENIED = -1; 200 201 /** 202 * Signature check result: this is returned by {@link #checkSignatures} 203 * if the two packages have a matching signature. 204 */ 205 public static final int SIGNATURE_MATCH = 0; 206 207 /** 208 * Signature check result: this is returned by {@link #checkSignatures} 209 * if neither of the two packages is signed. 210 */ 211 public static final int SIGNATURE_NEITHER_SIGNED = 1; 212 213 /** 214 * Signature check result: this is returned by {@link #checkSignatures} 215 * if the first package is not signed, but the second is. 216 */ 217 public static final int SIGNATURE_FIRST_NOT_SIGNED = -1; 218 219 /** 220 * Signature check result: this is returned by {@link #checkSignatures} 221 * if the second package is not signed, but the first is. 222 */ 223 public static final int SIGNATURE_SECOND_NOT_SIGNED = -2; 224 225 /** 226 * Signature check result: this is returned by {@link #checkSignatures} 227 * if both packages are signed but there is no matching signature. 228 */ 229 public static final int SIGNATURE_NO_MATCH = -3; 230 231 /** 232 * Signature check result: this is returned by {@link #checkSignatures} 233 * if either of the given package names are not valid. 234 */ 235 public static final int SIGNATURE_UNKNOWN_PACKAGE = -4; 236 237 public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0; 238 public static final int COMPONENT_ENABLED_STATE_ENABLED = 1; 239 public static final int COMPONENT_ENABLED_STATE_DISABLED = 2; 240 241 /** 242 * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to 243 * indicate that this package should be installed as forward locked, i.e. only the app itself 244 * should have access to it's code and non-resource assets. 245 * @hide 246 */ 247 public static final int INSTALL_FORWARD_LOCK = 0x00000001; 248 249 /** 250 * Flag parameter for {@link #installPackage} to indicate that you want to replace an already 251 * installed package, if one exists. 252 * @hide 253 */ 254 public static final int INSTALL_REPLACE_EXISTING = 0x00000002; 255 256 /** 257 * Flag parameter for {@link #installPackage} to indicate that you want to 258 * allow test packages (those that have set android:testOnly in their 259 * manifest) to be installed. 260 * @hide 261 */ 262 public static final int INSTALL_ALLOW_TEST = 0x00000004; 263 264 /** 265 * Flag parameter for 266 * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate 267 * that you don't want to kill the app containing the component. Be careful when you set this 268 * since changing component states can make the containing application's behavior unpredictable. 269 */ 270 public static final int DONT_KILL_APP = 0x00000001; 271 272 /** 273 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 274 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success. 275 * @hide 276 */ 277 public static final int INSTALL_SUCCEEDED = 1; 278 279 /** 280 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 281 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is 282 * already installed. 283 * @hide 284 */ 285 public static final int INSTALL_FAILED_ALREADY_EXISTS = -1; 286 287 /** 288 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 289 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive 290 * file is invalid. 291 * @hide 292 */ 293 public static final int INSTALL_FAILED_INVALID_APK = -2; 294 295 /** 296 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 297 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in 298 * is invalid. 299 * @hide 300 */ 301 public static final int INSTALL_FAILED_INVALID_URI = -3; 302 303 /** 304 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 305 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager 306 * service found that the device didn't have enough storage space to install the app. 307 * @hide 308 */ 309 public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4; 310 311 /** 312 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 313 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a 314 * package is already installed with the same name. 315 * @hide 316 */ 317 public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5; 318 319 /** 320 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 321 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 322 * the requested shared user does not exist. 323 * @hide 324 */ 325 public static final int INSTALL_FAILED_NO_SHARED_USER = -6; 326 327 /** 328 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 329 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 330 * a previously installed package of the same name has a different signature 331 * than the new package (and the old package's data was not removed). 332 * @hide 333 */ 334 public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7; 335 336 /** 337 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 338 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 339 * the new package is requested a shared user which is already installed on the 340 * device and does not have matching signature. 341 * @hide 342 */ 343 public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8; 344 345 /** 346 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 347 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 348 * the new package uses a shared library that is not available. 349 * @hide 350 */ 351 public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9; 352 353 /** 354 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 355 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 356 * the new package uses a shared library that is not available. 357 * @hide 358 */ 359 public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10; 360 361 /** 362 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 363 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 364 * the new package failed while optimizing and validating its dex files, 365 * either because there was not enough storage or the validation failed. 366 * @hide 367 */ 368 public static final int INSTALL_FAILED_DEXOPT = -11; 369 370 /** 371 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 372 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 373 * the new package failed because the current SDK version is older than 374 * that required by the package. 375 * @hide 376 */ 377 public static final int INSTALL_FAILED_OLDER_SDK = -12; 378 379 /** 380 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 381 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 382 * the new package failed because it contains a content provider with the 383 * same authority as a provider already installed in the system. 384 * @hide 385 */ 386 public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13; 387 388 /** 389 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 390 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 391 * the new package failed because the current SDK version is newer than 392 * that required by the package. 393 * @hide 394 */ 395 public static final int INSTALL_FAILED_NEWER_SDK = -14; 396 397 /** 398 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 399 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 400 * the new package failed because it has specified that it is a test-only 401 * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST} 402 * flag. 403 * @hide 404 */ 405 public static final int INSTALL_FAILED_TEST_ONLY = -15; 406 407 /** 408 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 409 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 410 * the package being installed contains native code, but none that is 411 * compatible with the the device's CPU_ABI. 412 * @hide 413 */ 414 public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16; 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 was given a path that is not a file, or does not end with the expected 420 * '.apk' extension. 421 * @hide 422 */ 423 public static final int INSTALL_PARSE_FAILED_NOT_APK = -100; 424 425 /** 426 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 427 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 428 * if the parser was unable to retrieve the AndroidManifest.xml file. 429 * @hide 430 */ 431 public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101; 432 433 /** 434 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 435 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 436 * if the parser encountered an unexpected exception. 437 * @hide 438 */ 439 public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102; 440 441 /** 442 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 443 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 444 * if the parser did not find any certificates in the .apk. 445 * @hide 446 */ 447 public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103; 448 449 /** 450 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 451 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 452 * if the parser found inconsistent certificates on the files in the .apk. 453 * @hide 454 */ 455 public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104; 456 457 /** 458 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 459 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 460 * if the parser encountered a CertificateEncodingException in one of the 461 * files in the .apk. 462 * @hide 463 */ 464 public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105; 465 466 /** 467 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 468 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 469 * if the parser encountered a bad or missing package name in the manifest. 470 * @hide 471 */ 472 public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106; 473 474 /** 475 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 476 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 477 * if the parser encountered a bad shared user id name in the manifest. 478 * @hide 479 */ 480 public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107; 481 482 /** 483 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 484 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 485 * if the parser encountered some structural problem in the manifest. 486 * @hide 487 */ 488 public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108; 489 490 /** 491 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 492 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 493 * if the parser did not find any actionable tags (instrumentation or application) 494 * in the manifest. 495 * @hide 496 */ 497 public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109; 498 499 /** 500 * Indicates the state of installation. Used by PackageManager to 501 * figure out incomplete installations. Say a package is being installed 502 * (the state is set to PKG_INSTALL_INCOMPLETE) and remains so till 503 * the package installation is successful or unsuccesful lin which case 504 * the PackageManager will no longer maintain state information associated 505 * with the package. If some exception(like device freeze or battery being 506 * pulled out) occurs during installation of a package, the PackageManager 507 * needs this information to clean up the previously failed installation. 508 */ 509 public static final int PKG_INSTALL_INCOMPLETE = 0; 510 public static final int PKG_INSTALL_COMPLETE = 1; 511 512 /** 513 * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the 514 * package's data directory. 515 * 516 * @hide 517 */ 518 public static final int DONT_DELETE_DATA = 0x00000001; 519 520 /** 521 * Retrieve overall information about an application package that is 522 * installed on the system. 523 * 524 * <p>Throws {@link NameNotFoundException} if a package with the given 525 * name can not be found on the system. 526 * 527 * @param packageName The full name (i.e. com.google.apps.contacts) of the 528 * desired package. 529 530 * @param flags Additional option flags. Use any combination of 531 * {@link #GET_ACTIVITIES}, 532 * {@link #GET_GIDS}, 533 * {@link #GET_CONFIGURATIONS}, 534 * {@link #GET_INSTRUMENTATION}, 535 * {@link #GET_PERMISSIONS}, 536 * {@link #GET_PROVIDERS}, 537 * {@link #GET_RECEIVERS}, 538 * {@link #GET_SERVICES}, 539 * {@link #GET_SIGNATURES}, 540 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 541 * 542 * @return Returns a PackageInfo object containing information about the package. 543 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 544 * found in the list of installed applications, the package information is 545 * retrieved from the list of uninstalled applications(which includes 546 * installed applications as well as applications 547 * with data directory ie applications which had been 548 * deleted with DONT_DELTE_DATA flag set). 549 * 550 * @see #GET_ACTIVITIES 551 * @see #GET_GIDS 552 * @see #GET_CONFIGURATIONS 553 * @see #GET_INSTRUMENTATION 554 * @see #GET_PERMISSIONS 555 * @see #GET_PROVIDERS 556 * @see #GET_RECEIVERS 557 * @see #GET_SERVICES 558 * @see #GET_SIGNATURES 559 * @see #GET_UNINSTALLED_PACKAGES 560 * 561 */ 562 public abstract PackageInfo getPackageInfo(String packageName, int flags) 563 throws NameNotFoundException; 564 565 /** 566 * Return a "good" intent to launch a front-door activity in a package, 567 * for use for example to implement an "open" button when browsing through 568 * packages. The current implementation will look first for a main 569 * activity in the category {@link Intent#CATEGORY_INFO}, next for a 570 * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return 571 * null if neither are found. 572 * 573 * <p>Throws {@link NameNotFoundException} if a package with the given 574 * name can not be found on the system. 575 * 576 * @param packageName The name of the package to inspect. 577 * 578 * @return Returns either a fully-qualified Intent that can be used to 579 * launch the main activity in the package, or null if the package does 580 * not contain such an activity. 581 */ 582 public abstract Intent getLaunchIntentForPackage(String packageName); 583 584 /** 585 * Return an array of all of the secondary group-ids that have been 586 * assigned to a package. 587 * 588 * <p>Throws {@link NameNotFoundException} if a package with the given 589 * name can not be found on the system. 590 * 591 * @param packageName The full name (i.e. com.google.apps.contacts) of the 592 * desired package. 593 * 594 * @return Returns an int array of the assigned gids, or null if there 595 * are none. 596 */ 597 public abstract int[] getPackageGids(String packageName) 598 throws NameNotFoundException; 599 600 /** 601 * Retrieve all of the information we know about a particular permission. 602 * 603 * <p>Throws {@link NameNotFoundException} if a permission with the given 604 * name can not be found on the system. 605 * 606 * @param name The fully qualified name (i.e. com.google.permission.LOGIN) 607 * of the permission you are interested in. 608 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 609 * retrieve any meta-data associated with the permission. 610 * 611 * @return Returns a {@link PermissionInfo} containing information about the 612 * permission. 613 */ 614 public abstract PermissionInfo getPermissionInfo(String name, int flags) 615 throws NameNotFoundException; 616 617 /** 618 * Query for all of the permissions associated with a particular group. 619 * 620 * <p>Throws {@link NameNotFoundException} if the given group does not 621 * exist. 622 * 623 * @param group The fully qualified name (i.e. com.google.permission.LOGIN) 624 * of the permission group you are interested in. Use null to 625 * find all of the permissions not associated with a group. 626 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 627 * retrieve any meta-data associated with the permissions. 628 * 629 * @return Returns a list of {@link PermissionInfo} containing information 630 * about all of the permissions in the given group. 631 */ 632 public abstract List<PermissionInfo> queryPermissionsByGroup(String group, 633 int flags) throws NameNotFoundException; 634 635 /** 636 * Retrieve all of the information we know about a particular group of 637 * permissions. 638 * 639 * <p>Throws {@link NameNotFoundException} if a permission group with the given 640 * name can not be found on the system. 641 * 642 * @param name The fully qualified name (i.e. com.google.permission_group.APPS) 643 * of the permission you are interested in. 644 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 645 * retrieve any meta-data associated with the permission group. 646 * 647 * @return Returns a {@link PermissionGroupInfo} containing information 648 * about the permission. 649 */ 650 public abstract PermissionGroupInfo getPermissionGroupInfo(String name, 651 int flags) throws NameNotFoundException; 652 653 /** 654 * Retrieve all of the known permission groups in the system. 655 * 656 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 657 * retrieve any meta-data associated with the permission group. 658 * 659 * @return Returns a list of {@link PermissionGroupInfo} containing 660 * information about all of the known permission groups. 661 */ 662 public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags); 663 664 /** 665 * Retrieve all of the information we know about a particular 666 * package/application. 667 * 668 * <p>Throws {@link NameNotFoundException} if an application with the given 669 * package name can not be found on the system. 670 * 671 * @param packageName The full name (i.e. com.google.apps.contacts) of an 672 * application. 673 * @param flags Additional option flags. Use any combination of 674 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 675 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 676 * 677 * @return {@link ApplicationInfo} Returns ApplicationInfo object containing 678 * information about the package. 679 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 680 * found in the list of installed applications, 681 * the application information is retrieved from the 682 * list of uninstalled applications(which includes 683 * installed applications as well as applications 684 * with data directory ie applications which had been 685 * deleted with DONT_DELTE_DATA flag set). 686 * 687 * @see #GET_META_DATA 688 * @see #GET_SHARED_LIBRARY_FILES 689 * @see #GET_UNINSTALLED_PACKAGES 690 */ 691 public abstract ApplicationInfo getApplicationInfo(String packageName, 692 int flags) throws NameNotFoundException; 693 694 /** 695 * Retrieve all of the information we know about a particular activity 696 * class. 697 * 698 * <p>Throws {@link NameNotFoundException} if an activity with the given 699 * class name can not be found on the system. 700 * 701 * @param className The full name (i.e. 702 * com.google.apps.contacts.ContactsList) of an Activity 703 * class. 704 * @param flags Additional option flags. Use any combination of 705 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 706 * to modify the data (in ApplicationInfo) returned. 707 * 708 * @return {@link ActivityInfo} containing information about the activity. 709 * 710 * @see #GET_INTENT_FILTERS 711 * @see #GET_META_DATA 712 * @see #GET_SHARED_LIBRARY_FILES 713 */ 714 public abstract ActivityInfo getActivityInfo(ComponentName className, 715 int flags) throws NameNotFoundException; 716 717 /** 718 * Retrieve all of the information we know about a particular receiver 719 * class. 720 * 721 * <p>Throws {@link NameNotFoundException} if a receiver with the given 722 * class name can not be found on the system. 723 * 724 * @param className The full name (i.e. 725 * com.google.apps.contacts.CalendarAlarm) of a Receiver 726 * class. 727 * @param flags Additional option flags. Use any combination of 728 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 729 * to modify the data returned. 730 * 731 * @return {@link ActivityInfo} containing information about the receiver. 732 * 733 * @see #GET_INTENT_FILTERS 734 * @see #GET_META_DATA 735 * @see #GET_SHARED_LIBRARY_FILES 736 */ 737 public abstract ActivityInfo getReceiverInfo(ComponentName className, 738 int flags) throws NameNotFoundException; 739 740 /** 741 * Retrieve all of the information we know about a particular service 742 * class. 743 * 744 * <p>Throws {@link NameNotFoundException} if a service with the given 745 * class name can not be found on the system. 746 * 747 * @param className The full name (i.e. 748 * com.google.apps.media.BackgroundPlayback) of a Service 749 * class. 750 * @param flags Additional option flags. Use any combination of 751 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 752 * to modify the data returned. 753 * 754 * @return ServiceInfo containing information about the service. 755 * 756 * @see #GET_META_DATA 757 * @see #GET_SHARED_LIBRARY_FILES 758 */ 759 public abstract ServiceInfo getServiceInfo(ComponentName className, 760 int flags) throws NameNotFoundException; 761 762 /** 763 * Return a List of all packages that are installed 764 * on the device. 765 * 766 * @param flags Additional option flags. Use any combination of 767 * {@link #GET_ACTIVITIES}, 768 * {@link #GET_GIDS}, 769 * {@link #GET_CONFIGURATIONS}, 770 * {@link #GET_INSTRUMENTATION}, 771 * {@link #GET_PERMISSIONS}, 772 * {@link #GET_PROVIDERS}, 773 * {@link #GET_RECEIVERS}, 774 * {@link #GET_SERVICES}, 775 * {@link #GET_SIGNATURES}, 776 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 777 * 778 * @return A List of PackageInfo objects, one for each package that is 779 * installed on the device. In the unlikely case of there being no 780 * installed packages, an empty list is returned. 781 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 782 * applications including those deleted with DONT_DELETE_DATA 783 * (partially installed apps with data directory) will be returned. 784 * 785 * @see #GET_ACTIVITIES 786 * @see #GET_GIDS 787 * @see #GET_CONFIGURATIONS 788 * @see #GET_INSTRUMENTATION 789 * @see #GET_PERMISSIONS 790 * @see #GET_PROVIDERS 791 * @see #GET_RECEIVERS 792 * @see #GET_SERVICES 793 * @see #GET_SIGNATURES 794 * @see #GET_UNINSTALLED_PACKAGES 795 * 796 */ 797 public abstract List<PackageInfo> getInstalledPackages(int flags); 798 799 /** 800 * Check whether a particular package has been granted a particular 801 * permission. 802 * 803 * @param permName The name of the permission you are checking for, 804 * @param pkgName The name of the package you are checking against. 805 * 806 * @return If the package has the permission, PERMISSION_GRANTED is 807 * returned. If it does not have the permission, PERMISSION_DENIED 808 * is returned. 809 * 810 * @see #PERMISSION_GRANTED 811 * @see #PERMISSION_DENIED 812 */ 813 public abstract int checkPermission(String permName, String pkgName); 814 815 /** 816 * Add a new dynamic permission to the system. For this to work, your 817 * package must have defined a permission tree through the 818 * {@link android.R.styleable#AndroidManifestPermissionTree 819 * <permission-tree>} tag in its manifest. A package can only add 820 * permissions to trees that were defined by either its own package or 821 * another with the same user id; a permission is in a tree if it 822 * matches the name of the permission tree + ".": for example, 823 * "com.foo.bar" is a member of the permission tree "com.foo". 824 * 825 * <p>It is good to make your permission tree name descriptive, because you 826 * are taking possession of that entire set of permission names. Thus, it 827 * must be under a domain you control, with a suffix that will not match 828 * any normal permissions that may be declared in any applications that 829 * are part of that domain. 830 * 831 * <p>New permissions must be added before 832 * any .apks are installed that use those permissions. Permissions you 833 * add through this method are remembered across reboots of the device. 834 * If the given permission already exists, the info you supply here 835 * will be used to update it. 836 * 837 * @param info Description of the permission to be added. 838 * 839 * @return Returns true if a new permission was created, false if an 840 * existing one was updated. 841 * 842 * @throws SecurityException if you are not allowed to add the 843 * given permission name. 844 * 845 * @see #removePermission(String) 846 */ 847 public abstract boolean addPermission(PermissionInfo info); 848 849 /** 850 * Removes a permission that was previously added with 851 * {@link #addPermission(PermissionInfo)}. The same ownership rules apply 852 * -- you are only allowed to remove permissions that you are allowed 853 * to add. 854 * 855 * @param name The name of the permission to remove. 856 * 857 * @throws SecurityException if you are not allowed to remove the 858 * given permission name. 859 * 860 * @see #addPermission(PermissionInfo) 861 */ 862 public abstract void removePermission(String name); 863 864 /** 865 * Compare the signatures of two packages to determine if the same 866 * signature appears in both of them. If they do contain the same 867 * signature, then they are allowed special privileges when working 868 * with each other: they can share the same user-id, run instrumentation 869 * against each other, etc. 870 * 871 * @param pkg1 First package name whose signature will be compared. 872 * @param pkg2 Second package name whose signature will be compared. 873 * @return Returns an integer indicating whether there is a matching 874 * signature: the value is >= 0 if there is a match (or neither package 875 * is signed), or < 0 if there is not a match. The match result can be 876 * further distinguished with the success (>= 0) constants 877 * {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or 878 * failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED}, 879 * {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH}, 880 * or {@link #SIGNATURE_UNKNOWN_PACKAGE}. 881 * 882 * @see #SIGNATURE_MATCH 883 * @see #SIGNATURE_NEITHER_SIGNED 884 * @see #SIGNATURE_FIRST_NOT_SIGNED 885 * @see #SIGNATURE_SECOND_NOT_SIGNED 886 * @see #SIGNATURE_NO_MATCH 887 * @see #SIGNATURE_UNKNOWN_PACKAGE 888 */ 889 public abstract int checkSignatures(String pkg1, String pkg2); 890 891 /** 892 * Retrieve the names of all packages that are associated with a particular 893 * user id. In most cases, this will be a single package name, the package 894 * that has been assigned that user id. Where there are multiple packages 895 * sharing the same user id through the "sharedUserId" mechanism, all 896 * packages with that id will be returned. 897 * 898 * @param uid The user id for which you would like to retrieve the 899 * associated packages. 900 * 901 * @return Returns an array of one or more packages assigned to the user 902 * id, or null if there are no known packages with the given id. 903 */ 904 public abstract String[] getPackagesForUid(int uid); 905 906 /** 907 * Retrieve the official name associated with a user id. This name is 908 * guaranteed to never change, though it is possibly for the underlying 909 * user id to be changed. That is, if you are storing information about 910 * user ids in persistent storage, you should use the string returned 911 * by this function instead of the raw user-id. 912 * 913 * @param uid The user id for which you would like to retrieve a name. 914 * @return Returns a unique name for the given user id, or null if the 915 * user id is not currently assigned. 916 */ 917 public abstract String getNameForUid(int uid); 918 919 /** 920 * Return the user id associated with a shared user name. Multiple 921 * applications can specify a shared user name in their manifest and thus 922 * end up using a common uid. This might be used for new applications 923 * that use an existing shared user name and need to know the uid of the 924 * shared user. 925 * 926 * @param sharedUserName The shared user name whose uid is to be retrieved. 927 * @return Returns the uid associated with the shared user, or NameNotFoundException 928 * if the shared user name is not being used by any installed packages 929 * @hide 930 */ 931 public abstract int getUidForSharedUser(String sharedUserName) 932 throws NameNotFoundException; 933 934 /** 935 * Return a List of all application packages that are installed on the 936 * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all 937 * applications including those deleted with DONT_DELETE_DATA(partially 938 * installed apps with data directory) will be returned. 939 * 940 * @param flags Additional option flags. Use any combination of 941 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 942 * {link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 943 * 944 * @return A List of ApplicationInfo objects, one for each application that 945 * is installed on the device. In the unlikely case of there being 946 * no installed applications, an empty list is returned. 947 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 948 * applications including those deleted with DONT_DELETE_DATA 949 * (partially installed apps with data directory) will be returned. 950 * 951 * @see #GET_META_DATA 952 * @see #GET_SHARED_LIBRARY_FILES 953 * @see #GET_UNINSTALLED_PACKAGES 954 */ 955 public abstract List<ApplicationInfo> getInstalledApplications(int flags); 956 957 /** 958 * Get a list of shared libraries that are available on the 959 * system. 960 * 961 * @return An array of shared library names that are 962 * available on the system, or null if none are installed. 963 * 964 */ 965 public abstract String[] getSystemSharedLibraryNames(); 966 967 /** 968 * Determine the best action to perform for a given Intent. This is how 969 * {@link Intent#resolveActivity} finds an activity if a class has not 970 * been explicitly specified. 971 * 972 * @param intent An intent containing all of the desired specification 973 * (action, data, type, category, and/or component). 974 * @param flags Additional option flags. The most important is 975 * MATCH_DEFAULT_ONLY, to limit the resolution to only 976 * those activities that support the CATEGORY_DEFAULT. 977 * 978 * @return Returns a ResolveInfo containing the final activity intent that 979 * was determined to be the best action. Returns null if no 980 * matching activity was found. 981 * 982 * @see #MATCH_DEFAULT_ONLY 983 * @see #GET_INTENT_FILTERS 984 * @see #GET_RESOLVED_FILTER 985 */ 986 public abstract ResolveInfo resolveActivity(Intent intent, int flags); 987 988 /** 989 * Resolve the intent restricted to a package. 990 * {@see #resolveActivity} 991 * 992 * @param intent An intent containing all of the desired specification 993 * (action, data, type, category, and/or component). 994 * @param flags Additional option flags. The most important is 995 * MATCH_DEFAULT_ONLY, to limit the resolution to only 996 * those activities that support the CATEGORY_DEFAULT. 997 * @param packageName Restrict the intent resolution to this package. 998 * 999 * @return Returns a ResolveInfo containing the final activity intent that 1000 * was determined to be the best action. Returns null if no 1001 * matching activity was found. 1002 */ 1003 public abstract ResolveInfo resolveActivity(Intent intent, int flags, String packageName); 1004 1005 /** 1006 * Retrieve all activities that can be performed for the given intent. 1007 * 1008 * @param intent The desired intent as per resolveActivity(). 1009 * @param flags Additional option flags. The most important is 1010 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1011 * those activities that support the CATEGORY_DEFAULT. 1012 * 1013 * @return A List<ResolveInfo> containing one entry for each matching 1014 * Activity. These are ordered from best to worst match -- that 1015 * is, the first item in the list is what is returned by 1016 * resolveActivity(). If there are no matching activities, an empty 1017 * list is returned. 1018 * 1019 * @see #MATCH_DEFAULT_ONLY 1020 * @see #GET_INTENT_FILTERS 1021 * @see #GET_RESOLVED_FILTER 1022 */ 1023 public abstract List<ResolveInfo> queryIntentActivities(Intent intent, 1024 int flags); 1025 1026 /** 1027 * Retrieve a set of activities that should be presented to the user as 1028 * similar options. This is like {@link #queryIntentActivities}, except it 1029 * also allows you to supply a list of more explicit Intents that you would 1030 * like to resolve to particular options, and takes care of returning the 1031 * final ResolveInfo list in a reasonable order, with no duplicates, based 1032 * on those inputs. 1033 * 1034 * @param caller The class name of the activity that is making the 1035 * request. This activity will never appear in the output 1036 * list. Can be null. 1037 * @param specifics An array of Intents that should be resolved to the 1038 * first specific results. Can be null. 1039 * @param intent The desired intent as per resolveActivity(). 1040 * @param flags Additional option flags. The most important is 1041 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1042 * those activities that support the CATEGORY_DEFAULT. 1043 * 1044 * @return A List<ResolveInfo> containing one entry for each matching 1045 * Activity. These are ordered first by all of the intents resolved 1046 * in <var>specifics</var> and then any additional activities that 1047 * can handle <var>intent</var> but did not get included by one of 1048 * the <var>specifics</var> intents. If there are no matching 1049 * activities, an empty list is returned. 1050 * 1051 * @see #MATCH_DEFAULT_ONLY 1052 * @see #GET_INTENT_FILTERS 1053 * @see #GET_RESOLVED_FILTER 1054 */ 1055 public abstract List<ResolveInfo> queryIntentActivityOptions( 1056 ComponentName caller, Intent[] specifics, Intent intent, int flags); 1057 1058 /** 1059 * Retrieve all receivers that can handle a broadcast of the given intent. 1060 * 1061 * @param intent The desired intent as per resolveActivity(). 1062 * @param flags Additional option flags. The most important is 1063 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1064 * those activities that support the CATEGORY_DEFAULT. 1065 * 1066 * @return A List<ResolveInfo> containing one entry for each matching 1067 * Receiver. These are ordered from first to last in priority. If 1068 * there are no matching receivers, an empty list is returned. 1069 * 1070 * @see #MATCH_DEFAULT_ONLY 1071 * @see #GET_INTENT_FILTERS 1072 * @see #GET_RESOLVED_FILTER 1073 */ 1074 public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent, 1075 int flags); 1076 1077 /** 1078 * Determine the best service to handle for a given Intent. 1079 * 1080 * @param intent An intent containing all of the desired specification 1081 * (action, data, type, category, and/or component). 1082 * @param flags Additional option flags. 1083 * 1084 * @return Returns a ResolveInfo containing the final service intent that 1085 * was determined to be the best action. Returns null if no 1086 * matching service was found. 1087 * 1088 * @see #GET_INTENT_FILTERS 1089 * @see #GET_RESOLVED_FILTER 1090 */ 1091 public abstract ResolveInfo resolveService(Intent intent, int flags); 1092 1093 /** 1094 * Retrieve all services that can match the given intent. 1095 * 1096 * @param intent The desired intent as per resolveService(). 1097 * @param flags Additional option flags. 1098 * 1099 * @return A List<ResolveInfo> containing one entry for each matching 1100 * ServiceInfo. These are ordered from best to worst match -- that 1101 * is, the first item in the list is what is returned by 1102 * resolveService(). If there are no matching services, an empty 1103 * list is returned. 1104 * 1105 * @see #GET_INTENT_FILTERS 1106 * @see #GET_RESOLVED_FILTER 1107 */ 1108 public abstract List<ResolveInfo> queryIntentServices(Intent intent, 1109 int flags); 1110 1111 /** 1112 * Find a single content provider by its base path name. 1113 * 1114 * @param name The name of the provider to find. 1115 * @param flags Additional option flags. Currently should always be 0. 1116 * 1117 * @return ContentProviderInfo Information about the provider, if found, 1118 * else null. 1119 */ 1120 public abstract ProviderInfo resolveContentProvider(String name, 1121 int flags); 1122 1123 /** 1124 * Retrieve content provider information. 1125 * 1126 * <p><em>Note: unlike most other methods, an empty result set is indicated 1127 * by a null return instead of an empty list.</em> 1128 * 1129 * @param processName If non-null, limits the returned providers to only 1130 * those that are hosted by the given process. If null, 1131 * all content providers are returned. 1132 * @param uid If <var>processName</var> is non-null, this is the required 1133 * uid owning the requested content providers. 1134 * @param flags Additional option flags. Currently should always be 0. 1135 * 1136 * @return A List<ContentProviderInfo> containing one entry for each 1137 * content provider either patching <var>processName</var> or, if 1138 * <var>processName</var> is null, all known content providers. 1139 * <em>If there are no matching providers, null is returned.</em> 1140 */ 1141 public abstract List<ProviderInfo> queryContentProviders( 1142 String processName, int uid, int flags); 1143 1144 /** 1145 * Retrieve all of the information we know about a particular 1146 * instrumentation class. 1147 * 1148 * <p>Throws {@link NameNotFoundException} if instrumentation with the 1149 * given class name can not be found on the system. 1150 * 1151 * @param className The full name (i.e. 1152 * com.google.apps.contacts.InstrumentList) of an 1153 * Instrumentation class. 1154 * @param flags Additional option flags. Currently should always be 0. 1155 * 1156 * @return InstrumentationInfo containing information about the 1157 * instrumentation. 1158 */ 1159 public abstract InstrumentationInfo getInstrumentationInfo( 1160 ComponentName className, int flags) throws NameNotFoundException; 1161 1162 /** 1163 * Retrieve information about available instrumentation code. May be used 1164 * to retrieve either all instrumentation code, or only the code targeting 1165 * a particular package. 1166 * 1167 * @param targetPackage If null, all instrumentation is returned; only the 1168 * instrumentation targeting this package name is 1169 * returned. 1170 * @param flags Additional option flags. Currently should always be 0. 1171 * 1172 * @return A List<InstrumentationInfo> containing one entry for each 1173 * matching available Instrumentation. Returns an empty list if 1174 * there is no instrumentation available for the given package. 1175 */ 1176 public abstract List<InstrumentationInfo> queryInstrumentation( 1177 String targetPackage, int flags); 1178 1179 /** 1180 * Retrieve an image from a package. This is a low-level API used by 1181 * the various package manager info structures (such as 1182 * {@link ComponentInfo} to implement retrieval of their associated 1183 * icon. 1184 * 1185 * @param packageName The name of the package that this icon is coming from. 1186 * Can not be null. 1187 * @param resid The resource identifier of the desired image. Can not be 0. 1188 * @param appInfo Overall information about <var>packageName</var>. This 1189 * may be null, in which case the application information will be retrieved 1190 * for you if needed; if you already have this information around, it can 1191 * be much more efficient to supply it here. 1192 * 1193 * @return Returns a Drawable holding the requested image. Returns null if 1194 * an image could not be found for any reason. 1195 */ 1196 public abstract Drawable getDrawable(String packageName, int resid, 1197 ApplicationInfo appInfo); 1198 1199 /** 1200 * Retrieve the icon associated with an activity. Given the full name of 1201 * an activity, retrieves the information about it and calls 1202 * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon. 1203 * If the activity can not be found, NameNotFoundException is thrown. 1204 * 1205 * @param activityName Name of the activity whose icon is to be retrieved. 1206 * 1207 * @return Returns the image of the icon, or the default activity icon if 1208 * it could not be found. Does not return null. 1209 * @throws NameNotFoundException Thrown if the resources for the given 1210 * activity could not be loaded. 1211 * 1212 * @see #getActivityIcon(Intent) 1213 */ 1214 public abstract Drawable getActivityIcon(ComponentName activityName) 1215 throws NameNotFoundException; 1216 1217 /** 1218 * Retrieve the icon associated with an Intent. If intent.getClassName() is 1219 * set, this simply returns the result of 1220 * getActivityIcon(intent.getClassName()). Otherwise it resolves the intent's 1221 * component and returns the icon associated with the resolved component. 1222 * If intent.getClassName() can not be found or the Intent can not be resolved 1223 * to a component, NameNotFoundException is thrown. 1224 * 1225 * @param intent The intent for which you would like to retrieve an icon. 1226 * 1227 * @return Returns the image of the icon, or the default activity icon if 1228 * it could not be found. Does not return null. 1229 * @throws NameNotFoundException Thrown if the resources for application 1230 * matching the given intent could not be loaded. 1231 * 1232 * @see #getActivityIcon(ComponentName) 1233 */ 1234 public abstract Drawable getActivityIcon(Intent intent) 1235 throws NameNotFoundException; 1236 1237 /** 1238 * Return the generic icon for an activity that is used when no specific 1239 * icon is defined. 1240 * 1241 * @return Drawable Image of the icon. 1242 */ 1243 public abstract Drawable getDefaultActivityIcon(); 1244 1245 /** 1246 * Retrieve the icon associated with an application. If it has not defined 1247 * an icon, the default app icon is returned. Does not return null. 1248 * 1249 * @param info Information about application being queried. 1250 * 1251 * @return Returns the image of the icon, or the default application icon 1252 * if it could not be found. 1253 * 1254 * @see #getApplicationIcon(String) 1255 */ 1256 public abstract Drawable getApplicationIcon(ApplicationInfo info); 1257 1258 /** 1259 * Retrieve the icon associated with an application. Given the name of the 1260 * application's package, retrieves the information about it and calls 1261 * getApplicationIcon() to return its icon. If the application can not be 1262 * found, NameNotFoundException is thrown. 1263 * 1264 * @param packageName Name of the package whose application icon is to be 1265 * retrieved. 1266 * 1267 * @return Returns the image of the icon, or the default application icon 1268 * if it could not be found. Does not return null. 1269 * @throws NameNotFoundException Thrown if the resources for the given 1270 * application could not be loaded. 1271 * 1272 * @see #getApplicationIcon(ApplicationInfo) 1273 */ 1274 public abstract Drawable getApplicationIcon(String packageName) 1275 throws NameNotFoundException; 1276 1277 /** 1278 * Retrieve text from a package. This is a low-level API used by 1279 * the various package manager info structures (such as 1280 * {@link ComponentInfo} to implement retrieval of their associated 1281 * labels and other text. 1282 * 1283 * @param packageName The name of the package that this text is coming from. 1284 * Can not be null. 1285 * @param resid The resource identifier of the desired text. Can not be 0. 1286 * @param appInfo Overall information about <var>packageName</var>. This 1287 * may be null, in which case the application information will be retrieved 1288 * for you if needed; if you already have this information around, it can 1289 * be much more efficient to supply it here. 1290 * 1291 * @return Returns a CharSequence holding the requested text. Returns null 1292 * if the text could not be found for any reason. 1293 */ 1294 public abstract CharSequence getText(String packageName, int resid, 1295 ApplicationInfo appInfo); 1296 1297 /** 1298 * Retrieve an XML file from a package. This is a low-level API used to 1299 * retrieve XML meta data. 1300 * 1301 * @param packageName The name of the package that this xml is coming from. 1302 * Can not be null. 1303 * @param resid The resource identifier of the desired xml. Can not be 0. 1304 * @param appInfo Overall information about <var>packageName</var>. This 1305 * may be null, in which case the application information will be retrieved 1306 * for you if needed; if you already have this information around, it can 1307 * be much more efficient to supply it here. 1308 * 1309 * @return Returns an XmlPullParser allowing you to parse out the XML 1310 * data. Returns null if the xml resource could not be found for any 1311 * reason. 1312 */ 1313 public abstract XmlResourceParser getXml(String packageName, int resid, 1314 ApplicationInfo appInfo); 1315 1316 /** 1317 * Return the label to use for this application. 1318 * 1319 * @return Returns the label associated with this application, or null if 1320 * it could not be found for any reason. 1321 * @param info The application to get the label of 1322 */ 1323 public abstract CharSequence getApplicationLabel(ApplicationInfo info); 1324 1325 /** 1326 * Retrieve the resources associated with an activity. Given the full 1327 * name of an activity, retrieves the information about it and calls 1328 * getResources() to return its application's resources. If the activity 1329 * can not be found, NameNotFoundException is thrown. 1330 * 1331 * @param activityName Name of the activity whose resources are to be 1332 * retrieved. 1333 * 1334 * @return Returns the application's Resources. 1335 * @throws NameNotFoundException Thrown if the resources for the given 1336 * application could not be loaded. 1337 * 1338 * @see #getResourcesForApplication(ApplicationInfo) 1339 */ 1340 public abstract Resources getResourcesForActivity(ComponentName activityName) 1341 throws NameNotFoundException; 1342 1343 /** 1344 * Retrieve the resources for an application. Throws NameNotFoundException 1345 * if the package is no longer installed. 1346 * 1347 * @param app Information about the desired application. 1348 * 1349 * @return Returns the application's Resources. 1350 * @throws NameNotFoundException Thrown if the resources for the given 1351 * application could not be loaded (most likely because it was uninstalled). 1352 */ 1353 public abstract Resources getResourcesForApplication(ApplicationInfo app) 1354 throws NameNotFoundException; 1355 1356 /** 1357 * Retrieve the resources associated with an application. Given the full 1358 * package name of an application, retrieves the information about it and 1359 * calls getResources() to return its application's resources. If the 1360 * appPackageName can not be found, NameNotFoundException is thrown. 1361 * 1362 * @param appPackageName Package name of the application whose resources 1363 * are to be retrieved. 1364 * 1365 * @return Returns the application's Resources. 1366 * @throws NameNotFoundException Thrown if the resources for the given 1367 * application could not be loaded. 1368 * 1369 * @see #getResourcesForApplication(ApplicationInfo) 1370 */ 1371 public abstract Resources getResourcesForApplication(String appPackageName) 1372 throws NameNotFoundException; 1373 1374 /** 1375 * Retrieve overall information about an application package defined 1376 * in a package archive file 1377 * 1378 * @param archiveFilePath The path to the archive file 1379 * @param flags Additional option flags. Use any combination of 1380 * {@link #GET_ACTIVITIES}, 1381 * {@link #GET_GIDS}, 1382 * {@link #GET_CONFIGURATIONS}, 1383 * {@link #GET_INSTRUMENTATION}, 1384 * {@link #GET_PERMISSIONS}, 1385 * {@link #GET_PROVIDERS}, 1386 * {@link #GET_RECEIVERS}, 1387 * {@link #GET_SERVICES}, 1388 * {@link #GET_SIGNATURES}, to modify the data returned. 1389 * 1390 * @return Returns the information about the package. Returns 1391 * null if the package could not be successfully parsed. 1392 * 1393 * @see #GET_ACTIVITIES 1394 * @see #GET_GIDS 1395 * @see #GET_CONFIGURATIONS 1396 * @see #GET_INSTRUMENTATION 1397 * @see #GET_PERMISSIONS 1398 * @see #GET_PROVIDERS 1399 * @see #GET_RECEIVERS 1400 * @see #GET_SERVICES 1401 * @see #GET_SIGNATURES 1402 * 1403 */ 1404 public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) { 1405 PackageParser packageParser = new PackageParser(archiveFilePath); 1406 DisplayMetrics metrics = new DisplayMetrics(); 1407 metrics.setToDefaults(); 1408 final File sourceFile = new File(archiveFilePath); 1409 PackageParser.Package pkg = packageParser.parsePackage( 1410 sourceFile, archiveFilePath, metrics, 0); 1411 if (pkg == null) { 1412 return null; 1413 } 1414 return PackageParser.generatePackageInfo(pkg, null, flags); 1415 } 1416 1417 /** 1418 * @hide 1419 * 1420 * Install a package. Since this may take a little while, the result will 1421 * be posted back to the given observer. An installation will fail if the calling context 1422 * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the 1423 * package named in the package file's manifest is already installed, or if there's no space 1424 * available on the device. 1425 * 1426 * @param packageURI The location of the package file to install. This can be a 'file:' or a 1427 * 'content:' URI. 1428 * @param observer An observer callback to get notified when the package installation is 1429 * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be 1430 * called when that happens. observer may be null to indicate that no callback is desired. 1431 * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK}, 1432 * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}. 1433 * @param installerPackageName Optional package name of the application that is performing the 1434 * installation. This identifies which market the package came from. 1435 */ 1436 public abstract void installPackage( 1437 Uri packageURI, IPackageInstallObserver observer, int flags, 1438 String installerPackageName); 1439 1440 /** 1441 * Attempts to delete a package. Since this may take a little while, the result will 1442 * be posted back to the given observer. A deletion will fail if the calling context 1443 * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the 1444 * named package cannot be found, or if the named package is a "system package". 1445 * (TODO: include pointer to documentation on "system packages") 1446 * 1447 * @param packageName The name of the package to delete 1448 * @param observer An observer callback to get notified when the package deletion is 1449 * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be 1450 * called when that happens. observer may be null to indicate that no callback is desired. 1451 * @param flags - possible values: {@link #DONT_DELETE_DATA} 1452 * 1453 * @hide 1454 */ 1455 public abstract void deletePackage( 1456 String packageName, IPackageDeleteObserver observer, int flags); 1457 1458 /** 1459 * Retrieve the package name of the application that installed a package. This identifies 1460 * which market the package came from. 1461 * 1462 * @param packageName The name of the package to query 1463 */ 1464 public abstract String getInstallerPackageName(String packageName); 1465 1466 /** 1467 * Attempts to clear the user data directory of an application. 1468 * Since this may take a little while, the result will 1469 * be posted back to the given observer. A deletion will fail if the 1470 * named package cannot be found, or if the named package is a "system package". 1471 * 1472 * @param packageName The name of the package 1473 * @param observer An observer callback to get notified when the operation is finished 1474 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1475 * will be called when that happens. observer may be null to indicate that 1476 * no callback is desired. 1477 * 1478 * @hide 1479 */ 1480 public abstract void clearApplicationUserData(String packageName, 1481 IPackageDataObserver observer); 1482 /** 1483 * Attempts to delete the cache files associated with an application. 1484 * Since this may take a little while, the result will 1485 * be posted back to the given observer. A deletion will fail if the calling context 1486 * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the 1487 * named package cannot be found, or if the named package is a "system package". 1488 * 1489 * @param packageName The name of the package to delete 1490 * @param observer An observer callback to get notified when the cache file deletion 1491 * is complete. 1492 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1493 * will be called when that happens. observer may be null to indicate that 1494 * no callback is desired. 1495 * 1496 * @hide 1497 */ 1498 public abstract void deleteApplicationCacheFiles(String packageName, 1499 IPackageDataObserver observer); 1500 1501 /** 1502 * Free storage by deleting LRU sorted list of cache files across 1503 * all applications. If the currently available free storage 1504 * on the device is greater than or equal to the requested 1505 * free storage, no cache files are cleared. If the currently 1506 * available storage on the device is less than the requested 1507 * free storage, some or all of the cache files across 1508 * all applications are deleted (based on last accessed time) 1509 * to increase the free storage space on the device to 1510 * the requested value. There is no guarantee that clearing all 1511 * the cache files from all applications will clear up 1512 * enough storage to achieve the desired value. 1513 * @param freeStorageSize The number of bytes of storage to be 1514 * freed by the system. Say if freeStorageSize is XX, 1515 * and the current free storage is YY, 1516 * if XX is less than YY, just return. if not free XX-YY number 1517 * of bytes if possible. 1518 * @param observer call back used to notify when 1519 * the operation is completed 1520 * 1521 * @hide 1522 */ 1523 public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer); 1524 1525 /** 1526 * Free storage by deleting LRU sorted list of cache files across 1527 * all applications. If the currently available free storage 1528 * on the device is greater than or equal to the requested 1529 * free storage, no cache files are cleared. If the currently 1530 * available storage on the device is less than the requested 1531 * free storage, some or all of the cache files across 1532 * all applications are deleted (based on last accessed time) 1533 * to increase the free storage space on the device to 1534 * the requested value. There is no guarantee that clearing all 1535 * the cache files from all applications will clear up 1536 * enough storage to achieve the desired value. 1537 * @param freeStorageSize The number of bytes of storage to be 1538 * freed by the system. Say if freeStorageSize is XX, 1539 * and the current free storage is YY, 1540 * if XX is less than YY, just return. if not free XX-YY number 1541 * of bytes if possible. 1542 * @param opFinishedIntent PendingIntent call back used to 1543 * notify when the operation is completed.May be null 1544 * to indicate that no call back is desired. 1545 * 1546 * @deprecated 1547 * @hide 1548 */ 1549 @Deprecated 1550 public abstract void freeStorage(long freeStorageSize, PendingIntent opFinishedIntent); 1551 1552 /** 1553 * Free storage by deleting LRU sorted list of cache files across 1554 * all applications. If the currently available free storage 1555 * on the device is greater than or equal to the requested 1556 * free storage, no cache files are cleared. If the currently 1557 * available storage on the device is less than the requested 1558 * free storage, some or all of the cache files across 1559 * all applications are deleted (based on last accessed time) 1560 * to increase the free storage space on the device to 1561 * the requested value. There is no guarantee that clearing all 1562 * the cache files from all applications will clear up 1563 * enough storage to achieve the desired value. 1564 * @param freeStorageSize The number of bytes of storage to be 1565 * freed by the system. Say if freeStorageSize is XX, 1566 * and the current free storage is YY, 1567 * if XX is less than YY, just return. if not free XX-YY number 1568 * of bytes if possible. 1569 * @param pi IntentSender call back used to 1570 * notify when the operation is completed.May be null 1571 * to indicate that no call back is desired. 1572 * 1573 * @hide 1574 */ 1575 public abstract void freeStorageWithIntent(long freeStorageSize, IntentSender pi); 1576 1577 /** 1578 * Retrieve the size information for a package. 1579 * Since this may take a little while, the result will 1580 * be posted back to the given observer. The calling context 1581 * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission. 1582 * 1583 * @param packageName The name of the package whose size information is to be retrieved 1584 * @param observer An observer callback to get notified when the operation 1585 * is complete. 1586 * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)} 1587 * The observer's callback is invoked with a PackageStats object(containing the 1588 * code, data and cache sizes of the package) and a boolean value representing 1589 * the status of the operation. observer may be null to indicate that 1590 * no callback is desired. 1591 * 1592 * @hide 1593 */ 1594 public abstract void getPackageSizeInfo(String packageName, 1595 IPackageStatsObserver observer); 1596 1597 /** 1598 * Add a new package to the list of preferred packages. This new package 1599 * will be added to the front of the list (removed from its current location 1600 * if already listed), meaning it will now be preferred over all other 1601 * packages when resolving conflicts. 1602 * 1603 * @param packageName The package name of the new package to make preferred. 1604 */ 1605 public abstract void addPackageToPreferred(String packageName); 1606 1607 /** 1608 * Remove a package from the list of preferred packages. If it was on 1609 * the list, it will no longer be preferred over other packages. 1610 * 1611 * @param packageName The package name to remove. 1612 */ 1613 public abstract void removePackageFromPreferred(String packageName); 1614 1615 /** 1616 * Retrieve the list of all currently configured preferred packages. The 1617 * first package on the list is the most preferred, the last is the 1618 * least preferred. 1619 * 1620 * @param flags Additional option flags. Use any combination of 1621 * {@link #GET_ACTIVITIES}, 1622 * {@link #GET_GIDS}, 1623 * {@link #GET_CONFIGURATIONS}, 1624 * {@link #GET_INSTRUMENTATION}, 1625 * {@link #GET_PERMISSIONS}, 1626 * {@link #GET_PROVIDERS}, 1627 * {@link #GET_RECEIVERS}, 1628 * {@link #GET_SERVICES}, 1629 * {@link #GET_SIGNATURES}, to modify the data returned. 1630 * 1631 * @return Returns a list of PackageInfo objects describing each 1632 * preferred application, in order of preference. 1633 * 1634 * @see #GET_ACTIVITIES 1635 * @see #GET_GIDS 1636 * @see #GET_CONFIGURATIONS 1637 * @see #GET_INSTRUMENTATION 1638 * @see #GET_PERMISSIONS 1639 * @see #GET_PROVIDERS 1640 * @see #GET_RECEIVERS 1641 * @see #GET_SERVICES 1642 * @see #GET_SIGNATURES 1643 */ 1644 public abstract List<PackageInfo> getPreferredPackages(int flags); 1645 1646 /** 1647 * Add a new preferred activity mapping to the system. This will be used 1648 * to automatically select the given activity component when 1649 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1650 * multiple matching activities and also matches the given filter. 1651 * 1652 * @param filter The set of intents under which this activity will be 1653 * made preferred. 1654 * @param match The IntentFilter match category that this preference 1655 * applies to. 1656 * @param set The set of activities that the user was picking from when 1657 * this preference was made. 1658 * @param activity The component name of the activity that is to be 1659 * preferred. 1660 */ 1661 public abstract void addPreferredActivity(IntentFilter filter, int match, 1662 ComponentName[] set, ComponentName activity); 1663 1664 /** 1665 * Replaces an existing preferred activity mapping to the system, and if that were not present 1666 * adds a new preferred activity. This will be used 1667 * to automatically select the given activity component when 1668 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1669 * multiple matching activities and also matches the given filter. 1670 * 1671 * @param filter The set of intents under which this activity will be 1672 * made preferred. 1673 * @param match The IntentFilter match category that this preference 1674 * applies to. 1675 * @param set The set of activities that the user was picking from when 1676 * this preference was made. 1677 * @param activity The component name of the activity that is to be 1678 * preferred. 1679 * @hide 1680 */ 1681 public abstract void replacePreferredActivity(IntentFilter filter, int match, 1682 ComponentName[] set, ComponentName activity); 1683 1684 /** 1685 * Remove all preferred activity mappings, previously added with 1686 * {@link #addPreferredActivity}, from the 1687 * system whose activities are implemented in the given package name. 1688 * 1689 * @param packageName The name of the package whose preferred activity 1690 * mappings are to be removed. 1691 */ 1692 public abstract void clearPackagePreferredActivities(String packageName); 1693 1694 /** 1695 * Retrieve all preferred activities, previously added with 1696 * {@link #addPreferredActivity}, that are 1697 * currently registered with the system. 1698 * 1699 * @param outFilters A list in which to place the filters of all of the 1700 * preferred activities, or null for none. 1701 * @param outActivities A list in which to place the component names of 1702 * all of the preferred activities, or null for none. 1703 * @param packageName An option package in which you would like to limit 1704 * the list. If null, all activities will be returned; if non-null, only 1705 * those activities in the given package are returned. 1706 * 1707 * @return Returns the total number of registered preferred activities 1708 * (the number of distinct IntentFilter records, not the number of unique 1709 * activity components) that were found. 1710 */ 1711 public abstract int getPreferredActivities(List<IntentFilter> outFilters, 1712 List<ComponentName> outActivities, String packageName); 1713 1714 /** 1715 * Set the enabled setting for a package component (activity, receiver, service, provider). 1716 * This setting will override any enabled state which may have been set by the component in its 1717 * manifest. 1718 * 1719 * @param componentName The component to enable 1720 * @param newState The new enabled state for the component. The legal values for this state 1721 * are: 1722 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1723 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1724 * and 1725 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1726 * The last one removes the setting, thereby restoring the component's state to 1727 * whatever was set in it's manifest (or enabled, by default). 1728 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1729 */ 1730 public abstract void setComponentEnabledSetting(ComponentName componentName, 1731 int newState, int flags); 1732 1733 1734 /** 1735 * Return the the enabled setting for a package component (activity, 1736 * receiver, service, provider). This returns the last value set by 1737 * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most 1738 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1739 * the value originally specified in the manifest has not been modified. 1740 * 1741 * @param componentName The component to retrieve. 1742 * @return Returns the current enabled state for the component. May 1743 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1744 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1745 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1746 * component's enabled state is based on the original information in 1747 * the manifest as found in {@link ComponentInfo}. 1748 */ 1749 public abstract int getComponentEnabledSetting(ComponentName componentName); 1750 1751 /** 1752 * Set the enabled setting for an application 1753 * This setting will override any enabled state which may have been set by the application in 1754 * its manifest. It also overrides the enabled state set in the manifest for any of the 1755 * application's components. It does not override any enabled state set by 1756 * {@link #setComponentEnabledSetting} for any of the application's components. 1757 * 1758 * @param packageName The package name of the application to enable 1759 * @param newState The new enabled state for the component. The legal values for this state 1760 * are: 1761 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1762 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1763 * and 1764 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1765 * The last one removes the setting, thereby restoring the applications's state to 1766 * whatever was set in its manifest (or enabled, by default). 1767 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1768 */ 1769 public abstract void setApplicationEnabledSetting(String packageName, 1770 int newState, int flags); 1771 1772 /** 1773 * Return the the enabled setting for an application. This returns 1774 * the last value set by 1775 * {@link #setApplicationEnabledSetting(String, int, int)}; in most 1776 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1777 * the value originally specified in the manifest has not been modified. 1778 * 1779 * @param packageName The component to retrieve. 1780 * @return Returns the current enabled state for the component. May 1781 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1782 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1783 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1784 * application's enabled state is based on the original information in 1785 * the manifest as found in {@link ComponentInfo}. 1786 */ 1787 public abstract int getApplicationEnabledSetting(String packageName); 1788 1789 /** 1790 * Return whether the device has been booted into safe mode. 1791 */ 1792 public abstract boolean isSafeMode(); 1793} 1794