PackageManager.java revision 9189cabb0b6c6c28232fe6f412b7ba7a37352a6a
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 * {@link ApplicationInfo} flag: return the 170 * {@link ApplicationInfo#supportsDensities} that the package supports. 171 */ 172 public static final int GET_SUPPORTS_DENSITIES = 0x00008000; 173 174 /** 175 * Resolution and querying flag: if set, only filters that support the 176 * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for 177 * matching. This is a synonym for including the CATEGORY_DEFAULT in your 178 * supplied Intent. 179 */ 180 public static final int MATCH_DEFAULT_ONLY = 0x00010000; 181 182 /** 183 * {@link ApplicationInfo} flag: return the 184 * {link ApplicationInfo#expandable} boolean flag of the package. 185 */ 186 public static final int GET_EXPANDABLE = 0x00020000; 187 188 /** 189 * Permission check result: this is returned by {@link #checkPermission} 190 * if the permission has been granted to the given package. 191 */ 192 public static final int PERMISSION_GRANTED = 0; 193 194 /** 195 * Permission check result: this is returned by {@link #checkPermission} 196 * if the permission has not been granted to the given package. 197 */ 198 public static final int PERMISSION_DENIED = -1; 199 200 /** 201 * Signature check result: this is returned by {@link #checkSignatures} 202 * if the two packages have a matching signature. 203 */ 204 public static final int SIGNATURE_MATCH = 0; 205 206 /** 207 * Signature check result: this is returned by {@link #checkSignatures} 208 * if neither of the two packages is signed. 209 */ 210 public static final int SIGNATURE_NEITHER_SIGNED = 1; 211 212 /** 213 * Signature check result: this is returned by {@link #checkSignatures} 214 * if the first package is not signed, but the second is. 215 */ 216 public static final int SIGNATURE_FIRST_NOT_SIGNED = -1; 217 218 /** 219 * Signature check result: this is returned by {@link #checkSignatures} 220 * if the second package is not signed, but the first is. 221 */ 222 public static final int SIGNATURE_SECOND_NOT_SIGNED = -2; 223 224 /** 225 * Signature check result: this is returned by {@link #checkSignatures} 226 * if both packages are signed but there is no matching signature. 227 */ 228 public static final int SIGNATURE_NO_MATCH = -3; 229 230 /** 231 * Signature check result: this is returned by {@link #checkSignatures} 232 * if either of the given package names are not valid. 233 */ 234 public static final int SIGNATURE_UNKNOWN_PACKAGE = -4; 235 236 public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0; 237 public static final int COMPONENT_ENABLED_STATE_ENABLED = 1; 238 public static final int COMPONENT_ENABLED_STATE_DISABLED = 2; 239 240 /** 241 * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to 242 * indicate that this package should be installed as forward locked, i.e. only the app itself 243 * should have access to it's code and non-resource assets. 244 * @hide 245 */ 246 public static final int INSTALL_FORWARD_LOCK = 0x00000001; 247 248 /** 249 * Flag parameter for {@link #installPackage} to indicate that you want to replace an already 250 * installed package, if one exists. 251 * @hide 252 */ 253 public static final int INSTALL_REPLACE_EXISTING = 0x00000002; 254 255 /** 256 * Flag parameter for {@link #installPackage} to indicate that you want to 257 * allow test packages (those that have set android:testOnly in their 258 * manifest) to be installed. 259 * @hide 260 */ 261 public static final int INSTALL_ALLOW_TEST = 0x00000004; 262 263 /** 264 * Flag parameter for 265 * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate 266 * that you don't want to kill the app containing the component. Be careful when you set this 267 * since changing component states can make the containing application's behavior unpredictable. 268 */ 269 public static final int DONT_KILL_APP = 0x00000001; 270 271 /** 272 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 273 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success. 274 * @hide 275 */ 276 public static final int INSTALL_SUCCEEDED = 1; 277 278 /** 279 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 280 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is 281 * already installed. 282 * @hide 283 */ 284 public static final int INSTALL_FAILED_ALREADY_EXISTS = -1; 285 286 /** 287 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 288 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive 289 * file is invalid. 290 * @hide 291 */ 292 public static final int INSTALL_FAILED_INVALID_APK = -2; 293 294 /** 295 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 296 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in 297 * is invalid. 298 * @hide 299 */ 300 public static final int INSTALL_FAILED_INVALID_URI = -3; 301 302 /** 303 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 304 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager 305 * service found that the device didn't have enough storage space to install the app. 306 * @hide 307 */ 308 public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4; 309 310 /** 311 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 312 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a 313 * package is already installed with the same name. 314 * @hide 315 */ 316 public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5; 317 318 /** 319 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 320 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 321 * the requested shared user does not exist. 322 * @hide 323 */ 324 public static final int INSTALL_FAILED_NO_SHARED_USER = -6; 325 326 /** 327 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 328 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 329 * a previously installed package of the same name has a different signature 330 * than the new package (and the old package's data was not removed). 331 * @hide 332 */ 333 public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7; 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 is requested a shared user which is already installed on the 339 * device and does not have matching signature. 340 * @hide 341 */ 342 public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8; 343 344 /** 345 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 346 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 347 * the new package uses a shared library that is not available. 348 * @hide 349 */ 350 public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9; 351 352 /** 353 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 354 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 355 * the new package uses a shared library that is not available. 356 * @hide 357 */ 358 public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10; 359 360 /** 361 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 362 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 363 * the new package failed while optimizing and validating its dex files, 364 * either because there was not enough storage or the validation failed. 365 * @hide 366 */ 367 public static final int INSTALL_FAILED_DEXOPT = -11; 368 369 /** 370 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 371 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 372 * the new package failed because the current SDK version is older than 373 * that required by the package. 374 * @hide 375 */ 376 public static final int INSTALL_FAILED_OLDER_SDK = -12; 377 378 /** 379 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 380 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 381 * the new package failed because it contains a content provider with the 382 * same authority as a provider already installed in the system. 383 * @hide 384 */ 385 public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13; 386 387 /** 388 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 389 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 390 * the new package failed because the current SDK version is newer than 391 * that required by the package. 392 * @hide 393 */ 394 public static final int INSTALL_FAILED_NEWER_SDK = -14; 395 396 /** 397 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 398 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 399 * the new package failed because it has specified that it is a test-only 400 * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST} 401 * flag. 402 * @hide 403 */ 404 public static final int INSTALL_FAILED_TEST_ONLY = -15; 405 406 /** 407 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 408 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 409 * the package being installed contains native code, but none that is 410 * compatible with the the device's CPU_ABI. 411 * @hide 412 */ 413 public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16; 414 415 /** 416 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 417 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 418 * if the parser was given a path that is not a file, or does not end with the expected 419 * '.apk' extension. 420 * @hide 421 */ 422 public static final int INSTALL_PARSE_FAILED_NOT_APK = -100; 423 424 /** 425 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 426 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 427 * if the parser was unable to retrieve the AndroidManifest.xml file. 428 * @hide 429 */ 430 public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101; 431 432 /** 433 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 434 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 435 * if the parser encountered an unexpected exception. 436 * @hide 437 */ 438 public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102; 439 440 /** 441 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 442 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 443 * if the parser did not find any certificates in the .apk. 444 * @hide 445 */ 446 public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103; 447 448 /** 449 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 450 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 451 * if the parser found inconsistent certificates on the files in the .apk. 452 * @hide 453 */ 454 public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104; 455 456 /** 457 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 458 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 459 * if the parser encountered a CertificateEncodingException in one of the 460 * files in the .apk. 461 * @hide 462 */ 463 public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105; 464 465 /** 466 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 467 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 468 * if the parser encountered a bad or missing package name in the manifest. 469 * @hide 470 */ 471 public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106; 472 473 /** 474 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 475 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 476 * if the parser encountered a bad shared user id name in the manifest. 477 * @hide 478 */ 479 public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107; 480 481 /** 482 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 483 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 484 * if the parser encountered some structural problem in the manifest. 485 * @hide 486 */ 487 public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108; 488 489 /** 490 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 491 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 492 * if the parser did not find any actionable tags (instrumentation or application) 493 * in the manifest. 494 * @hide 495 */ 496 public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109; 497 498 /** 499 * Indicates the state of installation. Used by PackageManager to 500 * figure out incomplete installations. Say a package is being installed 501 * (the state is set to PKG_INSTALL_INCOMPLETE) and remains so till 502 * the package installation is successful or unsuccesful lin which case 503 * the PackageManager will no longer maintain state information associated 504 * with the package. If some exception(like device freeze or battery being 505 * pulled out) occurs during installation of a package, the PackageManager 506 * needs this information to clean up the previously failed installation. 507 */ 508 public static final int PKG_INSTALL_INCOMPLETE = 0; 509 public static final int PKG_INSTALL_COMPLETE = 1; 510 511 /** 512 * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the 513 * package's data directory. 514 * 515 * @hide 516 */ 517 public static final int DONT_DELETE_DATA = 0x00000001; 518 519 /** 520 * Retrieve overall information about an application package that is 521 * installed on the system. 522 * 523 * <p>Throws {@link NameNotFoundException} if a package with the given 524 * name can not be found on the system. 525 * 526 * @param packageName The full name (i.e. com.google.apps.contacts) of the 527 * desired package. 528 529 * @param flags Additional option flags. Use any combination of 530 * {@link #GET_ACTIVITIES}, 531 * {@link #GET_GIDS}, 532 * {@link #GET_CONFIGURATIONS}, 533 * {@link #GET_INSTRUMENTATION}, 534 * {@link #GET_PERMISSIONS}, 535 * {@link #GET_PROVIDERS}, 536 * {@link #GET_RECEIVERS}, 537 * {@link #GET_SERVICES}, 538 * {@link #GET_SIGNATURES}, 539 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 540 * 541 * @return Returns a PackageInfo object containing information about the package. 542 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 543 * found in the list of installed applications, the package information is 544 * retrieved from the list of uninstalled applications(which includes 545 * installed applications as well as applications 546 * with data directory ie applications which had been 547 * deleted with DONT_DELTE_DATA flag set). 548 * 549 * @see #GET_ACTIVITIES 550 * @see #GET_GIDS 551 * @see #GET_CONFIGURATIONS 552 * @see #GET_INSTRUMENTATION 553 * @see #GET_PERMISSIONS 554 * @see #GET_PROVIDERS 555 * @see #GET_RECEIVERS 556 * @see #GET_SERVICES 557 * @see #GET_SIGNATURES 558 * @see #GET_UNINSTALLED_PACKAGES 559 * 560 */ 561 public abstract PackageInfo getPackageInfo(String packageName, int flags) 562 throws NameNotFoundException; 563 564 /** 565 * Return a "good" intent to launch a front-door activity in a package, 566 * for use for example to implement an "open" button when browsing through 567 * packages. The current implementation will look first for a main 568 * activity in the category {@link Intent#CATEGORY_INFO}, next for a 569 * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return 570 * null if neither are found. 571 * 572 * <p>Throws {@link NameNotFoundException} if a package with the given 573 * name can not be found on the system. 574 * 575 * @param packageName The name of the package to inspect. 576 * 577 * @return Returns either a fully-qualified Intent that can be used to 578 * launch the main activity in the package, or null if the package does 579 * not contain such an activity. 580 */ 581 public abstract Intent getLaunchIntentForPackage(String packageName); 582 583 /** 584 * Return an array of all of the secondary group-ids that have been 585 * assigned to a package. 586 * 587 * <p>Throws {@link NameNotFoundException} if a package with the given 588 * name can not be found on the system. 589 * 590 * @param packageName The full name (i.e. com.google.apps.contacts) of the 591 * desired package. 592 * 593 * @return Returns an int array of the assigned gids, or null if there 594 * are none. 595 */ 596 public abstract int[] getPackageGids(String packageName) 597 throws NameNotFoundException; 598 599 /** 600 * Retrieve all of the information we know about a particular permission. 601 * 602 * <p>Throws {@link NameNotFoundException} if a permission with the given 603 * name can not be found on the system. 604 * 605 * @param name The fully qualified name (i.e. com.google.permission.LOGIN) 606 * of the permission you are interested in. 607 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 608 * retrieve any meta-data associated with the permission. 609 * 610 * @return Returns a {@link PermissionInfo} containing information about the 611 * permission. 612 */ 613 public abstract PermissionInfo getPermissionInfo(String name, int flags) 614 throws NameNotFoundException; 615 616 /** 617 * Query for all of the permissions associated with a particular group. 618 * 619 * <p>Throws {@link NameNotFoundException} if the given group does not 620 * exist. 621 * 622 * @param group The fully qualified name (i.e. com.google.permission.LOGIN) 623 * of the permission group you are interested in. Use null to 624 * find all of the permissions not associated with a group. 625 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 626 * retrieve any meta-data associated with the permissions. 627 * 628 * @return Returns a list of {@link PermissionInfo} containing information 629 * about all of the permissions in the given group. 630 */ 631 public abstract List<PermissionInfo> queryPermissionsByGroup(String group, 632 int flags) throws NameNotFoundException; 633 634 /** 635 * Retrieve all of the information we know about a particular group of 636 * permissions. 637 * 638 * <p>Throws {@link NameNotFoundException} if a permission group with the given 639 * name can not be found on the system. 640 * 641 * @param name The fully qualified name (i.e. com.google.permission_group.APPS) 642 * of the permission you are interested in. 643 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 644 * retrieve any meta-data associated with the permission group. 645 * 646 * @return Returns a {@link PermissionGroupInfo} containing information 647 * about the permission. 648 */ 649 public abstract PermissionGroupInfo getPermissionGroupInfo(String name, 650 int flags) throws NameNotFoundException; 651 652 /** 653 * Retrieve all of the known permission groups in the system. 654 * 655 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 656 * retrieve any meta-data associated with the permission group. 657 * 658 * @return Returns a list of {@link PermissionGroupInfo} containing 659 * information about all of the known permission groups. 660 */ 661 public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags); 662 663 /** 664 * Retrieve all of the information we know about a particular 665 * package/application. 666 * 667 * <p>Throws {@link NameNotFoundException} if an application with the given 668 * package name can not be found on the system. 669 * 670 * @param packageName The full name (i.e. com.google.apps.contacts) of an 671 * application. 672 * @param flags Additional option flags. Use any combination of 673 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 674 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 675 * 676 * @return {@link ApplicationInfo} Returns ApplicationInfo object containing 677 * information about the package. 678 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 679 * found in the list of installed applications, 680 * the application information is retrieved from the 681 * list of uninstalled applications(which includes 682 * installed applications as well as applications 683 * with data directory ie applications which had been 684 * deleted with DONT_DELTE_DATA flag set). 685 * 686 * @see #GET_META_DATA 687 * @see #GET_SHARED_LIBRARY_FILES 688 * @see #GET_UNINSTALLED_PACKAGES 689 */ 690 public abstract ApplicationInfo getApplicationInfo(String packageName, 691 int flags) throws NameNotFoundException; 692 693 /** 694 * Retrieve all of the information we know about a particular activity 695 * class. 696 * 697 * <p>Throws {@link NameNotFoundException} if an activity with the given 698 * class name can not be found on the system. 699 * 700 * @param className The full name (i.e. 701 * com.google.apps.contacts.ContactsList) of an Activity 702 * class. 703 * @param flags Additional option flags. Use any combination of 704 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 705 * to modify the data (in ApplicationInfo) returned. 706 * 707 * @return {@link ActivityInfo} containing information about the activity. 708 * 709 * @see #GET_INTENT_FILTERS 710 * @see #GET_META_DATA 711 * @see #GET_SHARED_LIBRARY_FILES 712 */ 713 public abstract ActivityInfo getActivityInfo(ComponentName className, 714 int flags) throws NameNotFoundException; 715 716 /** 717 * Retrieve all of the information we know about a particular receiver 718 * class. 719 * 720 * <p>Throws {@link NameNotFoundException} if a receiver with the given 721 * class name can not be found on the system. 722 * 723 * @param className The full name (i.e. 724 * com.google.apps.contacts.CalendarAlarm) of a Receiver 725 * class. 726 * @param flags Additional option flags. Use any combination of 727 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 728 * to modify the data returned. 729 * 730 * @return {@link ActivityInfo} containing information about the receiver. 731 * 732 * @see #GET_INTENT_FILTERS 733 * @see #GET_META_DATA 734 * @see #GET_SHARED_LIBRARY_FILES 735 */ 736 public abstract ActivityInfo getReceiverInfo(ComponentName className, 737 int flags) throws NameNotFoundException; 738 739 /** 740 * Retrieve all of the information we know about a particular service 741 * class. 742 * 743 * <p>Throws {@link NameNotFoundException} if a service with the given 744 * class name can not be found on the system. 745 * 746 * @param className The full name (i.e. 747 * com.google.apps.media.BackgroundPlayback) of a Service 748 * class. 749 * @param flags Additional option flags. Use any combination of 750 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 751 * to modify the data returned. 752 * 753 * @return ServiceInfo containing information about the service. 754 * 755 * @see #GET_META_DATA 756 * @see #GET_SHARED_LIBRARY_FILES 757 */ 758 public abstract ServiceInfo getServiceInfo(ComponentName className, 759 int flags) throws NameNotFoundException; 760 761 /** 762 * Return a List of all packages that are installed 763 * on the device. 764 * 765 * @param flags Additional option flags. Use any combination of 766 * {@link #GET_ACTIVITIES}, 767 * {@link #GET_GIDS}, 768 * {@link #GET_CONFIGURATIONS}, 769 * {@link #GET_INSTRUMENTATION}, 770 * {@link #GET_PERMISSIONS}, 771 * {@link #GET_PROVIDERS}, 772 * {@link #GET_RECEIVERS}, 773 * {@link #GET_SERVICES}, 774 * {@link #GET_SIGNATURES}, 775 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 776 * 777 * @return A List of PackageInfo objects, one for each package that is 778 * installed on the device. In the unlikely case of there being no 779 * installed packages, an empty list is returned. 780 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 781 * applications including those deleted with DONT_DELETE_DATA 782 * (partially installed apps with data directory) will be returned. 783 * 784 * @see #GET_ACTIVITIES 785 * @see #GET_GIDS 786 * @see #GET_CONFIGURATIONS 787 * @see #GET_INSTRUMENTATION 788 * @see #GET_PERMISSIONS 789 * @see #GET_PROVIDERS 790 * @see #GET_RECEIVERS 791 * @see #GET_SERVICES 792 * @see #GET_SIGNATURES 793 * @see #GET_UNINSTALLED_PACKAGES 794 * 795 */ 796 public abstract List<PackageInfo> getInstalledPackages(int flags); 797 798 /** 799 * Check whether a particular package has been granted a particular 800 * permission. 801 * 802 * @param permName The name of the permission you are checking for, 803 * @param pkgName The name of the package you are checking against. 804 * 805 * @return If the package has the permission, PERMISSION_GRANTED is 806 * returned. If it does not have the permission, PERMISSION_DENIED 807 * is returned. 808 * 809 * @see #PERMISSION_GRANTED 810 * @see #PERMISSION_DENIED 811 */ 812 public abstract int checkPermission(String permName, String pkgName); 813 814 /** 815 * Add a new dynamic permission to the system. For this to work, your 816 * package must have defined a permission tree through the 817 * {@link android.R.styleable#AndroidManifestPermissionTree 818 * <permission-tree>} tag in its manifest. A package can only add 819 * permissions to trees that were defined by either its own package or 820 * another with the same user id; a permission is in a tree if it 821 * matches the name of the permission tree + ".": for example, 822 * "com.foo.bar" is a member of the permission tree "com.foo". 823 * 824 * <p>It is good to make your permission tree name descriptive, because you 825 * are taking possession of that entire set of permission names. Thus, it 826 * must be under a domain you control, with a suffix that will not match 827 * any normal permissions that may be declared in any applications that 828 * are part of that domain. 829 * 830 * <p>New permissions must be added before 831 * any .apks are installed that use those permissions. Permissions you 832 * add through this method are remembered across reboots of the device. 833 * If the given permission already exists, the info you supply here 834 * will be used to update it. 835 * 836 * @param info Description of the permission to be added. 837 * 838 * @return Returns true if a new permission was created, false if an 839 * existing one was updated. 840 * 841 * @throws SecurityException if you are not allowed to add the 842 * given permission name. 843 * 844 * @see #removePermission(String) 845 */ 846 public abstract boolean addPermission(PermissionInfo info); 847 848 /** 849 * Removes a permission that was previously added with 850 * {@link #addPermission(PermissionInfo)}. The same ownership rules apply 851 * -- you are only allowed to remove permissions that you are allowed 852 * to add. 853 * 854 * @param name The name of the permission to remove. 855 * 856 * @throws SecurityException if you are not allowed to remove the 857 * given permission name. 858 * 859 * @see #addPermission(PermissionInfo) 860 */ 861 public abstract void removePermission(String name); 862 863 /** 864 * Compare the signatures of two packages to determine if the same 865 * signature appears in both of them. If they do contain the same 866 * signature, then they are allowed special privileges when working 867 * with each other: they can share the same user-id, run instrumentation 868 * against each other, etc. 869 * 870 * @param pkg1 First package name whose signature will be compared. 871 * @param pkg2 Second package name whose signature will be compared. 872 * @return Returns an integer indicating whether there is a matching 873 * signature: the value is >= 0 if there is a match (or neither package 874 * is signed), or < 0 if there is not a match. The match result can be 875 * further distinguished with the success (>= 0) constants 876 * {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or 877 * failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED}, 878 * {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH}, 879 * or {@link #SIGNATURE_UNKNOWN_PACKAGE}. 880 * 881 * @see #SIGNATURE_MATCH 882 * @see #SIGNATURE_NEITHER_SIGNED 883 * @see #SIGNATURE_FIRST_NOT_SIGNED 884 * @see #SIGNATURE_SECOND_NOT_SIGNED 885 * @see #SIGNATURE_NO_MATCH 886 * @see #SIGNATURE_UNKNOWN_PACKAGE 887 */ 888 public abstract int checkSignatures(String pkg1, String pkg2); 889 890 /** 891 * Retrieve the names of all packages that are associated with a particular 892 * user id. In most cases, this will be a single package name, the package 893 * that has been assigned that user id. Where there are multiple packages 894 * sharing the same user id through the "sharedUserId" mechanism, all 895 * packages with that id will be returned. 896 * 897 * @param uid The user id for which you would like to retrieve the 898 * associated packages. 899 * 900 * @return Returns an array of one or more packages assigned to the user 901 * id, or null if there are no known packages with the given id. 902 */ 903 public abstract String[] getPackagesForUid(int uid); 904 905 /** 906 * Retrieve the official name associated with a user id. This name is 907 * guaranteed to never change, though it is possibly for the underlying 908 * user id to be changed. That is, if you are storing information about 909 * user ids in persistent storage, you should use the string returned 910 * by this function instead of the raw user-id. 911 * 912 * @param uid The user id for which you would like to retrieve a name. 913 * @return Returns a unique name for the given user id, or null if the 914 * user id is not currently assigned. 915 */ 916 public abstract String getNameForUid(int uid); 917 918 /** 919 * Return the user id associated with a shared user name. Multiple 920 * applications can specify a shared user name in their manifest and thus 921 * end up using a common uid. This might be used for new applications 922 * that use an existing shared user name and need to know the uid of the 923 * shared user. 924 * 925 * @param sharedUserName The shared user name whose uid is to be retrieved. 926 * @return Returns the uid associated with the shared user, or NameNotFoundException 927 * if the shared user name is not being used by any installed packages 928 * @hide 929 */ 930 public abstract int getUidForSharedUser(String sharedUserName) 931 throws NameNotFoundException; 932 933 /** 934 * Return a List of all application packages that are installed on the 935 * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all 936 * applications including those deleted with DONT_DELETE_DATA(partially 937 * installed apps with data directory) will be returned. 938 * 939 * @param flags Additional option flags. Use any combination of 940 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 941 * {link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 942 * 943 * @return A List of ApplicationInfo objects, one for each application that 944 * is installed on the device. In the unlikely case of there being 945 * no installed applications, an empty list is returned. 946 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 947 * applications including those deleted with DONT_DELETE_DATA 948 * (partially installed apps with data directory) will be returned. 949 * 950 * @see #GET_META_DATA 951 * @see #GET_SHARED_LIBRARY_FILES 952 * @see #GET_UNINSTALLED_PACKAGES 953 */ 954 public abstract List<ApplicationInfo> getInstalledApplications(int flags); 955 956 /** 957 * Get a list of shared libraries that are available on the 958 * system. 959 * 960 * @return An array of shared library names that are 961 * available on the system, or null if none are installed. 962 * 963 */ 964 public abstract String[] getSystemSharedLibraryNames(); 965 966 /** 967 * Determine the best action to perform for a given Intent. This is how 968 * {@link Intent#resolveActivity} finds an activity if a class has not 969 * been explicitly specified. 970 * 971 * @param intent An intent containing all of the desired specification 972 * (action, data, type, category, and/or component). 973 * @param flags Additional option flags. The most important is 974 * MATCH_DEFAULT_ONLY, to limit the resolution to only 975 * those activities that support the CATEGORY_DEFAULT. 976 * 977 * @return Returns a ResolveInfo containing the final activity intent that 978 * was determined to be the best action. Returns null if no 979 * matching activity was found. 980 * 981 * @see #MATCH_DEFAULT_ONLY 982 * @see #GET_INTENT_FILTERS 983 * @see #GET_RESOLVED_FILTER 984 */ 985 public abstract ResolveInfo resolveActivity(Intent intent, int flags); 986 987 /** 988 * Resolve the intent restricted to a package. 989 * {@see #resolveActivity} 990 * 991 * @param intent An intent containing all of the desired specification 992 * (action, data, type, category, and/or component). 993 * @param flags Additional option flags. The most important is 994 * MATCH_DEFAULT_ONLY, to limit the resolution to only 995 * those activities that support the CATEGORY_DEFAULT. 996 * @param packageName Restrict the intent resolution to this package. 997 * 998 * @return Returns a ResolveInfo containing the final activity intent that 999 * was determined to be the best action. Returns null if no 1000 * matching activity was found. 1001 */ 1002 public abstract ResolveInfo resolveActivity(Intent intent, int flags, String packageName); 1003 1004 /** 1005 * Retrieve all activities that can be performed for the given intent. 1006 * 1007 * @param intent The desired intent as per resolveActivity(). 1008 * @param flags Additional option flags. The most important is 1009 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1010 * those activities that support the CATEGORY_DEFAULT. 1011 * 1012 * @return A List<ResolveInfo> containing one entry for each matching 1013 * Activity. These are ordered from best to worst match -- that 1014 * is, the first item in the list is what is returned by 1015 * resolveActivity(). If there are no matching activities, an empty 1016 * list is returned. 1017 * 1018 * @see #MATCH_DEFAULT_ONLY 1019 * @see #GET_INTENT_FILTERS 1020 * @see #GET_RESOLVED_FILTER 1021 */ 1022 public abstract List<ResolveInfo> queryIntentActivities(Intent intent, 1023 int flags); 1024 1025 /** 1026 * Retrieve a set of activities that should be presented to the user as 1027 * similar options. This is like {@link #queryIntentActivities}, except it 1028 * also allows you to supply a list of more explicit Intents that you would 1029 * like to resolve to particular options, and takes care of returning the 1030 * final ResolveInfo list in a reasonable order, with no duplicates, based 1031 * on those inputs. 1032 * 1033 * @param caller The class name of the activity that is making the 1034 * request. This activity will never appear in the output 1035 * list. Can be null. 1036 * @param specifics An array of Intents that should be resolved to the 1037 * first specific results. Can be null. 1038 * @param intent The desired intent as per resolveActivity(). 1039 * @param flags Additional option flags. The most important is 1040 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1041 * those activities that support the CATEGORY_DEFAULT. 1042 * 1043 * @return A List<ResolveInfo> containing one entry for each matching 1044 * Activity. These are ordered first by all of the intents resolved 1045 * in <var>specifics</var> and then any additional activities that 1046 * can handle <var>intent</var> but did not get included by one of 1047 * the <var>specifics</var> intents. If there are no matching 1048 * activities, an empty list is returned. 1049 * 1050 * @see #MATCH_DEFAULT_ONLY 1051 * @see #GET_INTENT_FILTERS 1052 * @see #GET_RESOLVED_FILTER 1053 */ 1054 public abstract List<ResolveInfo> queryIntentActivityOptions( 1055 ComponentName caller, Intent[] specifics, Intent intent, int flags); 1056 1057 /** 1058 * Retrieve all receivers that can handle a broadcast of the given intent. 1059 * 1060 * @param intent The desired intent as per resolveActivity(). 1061 * @param flags Additional option flags. The most important is 1062 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1063 * those activities that support the CATEGORY_DEFAULT. 1064 * 1065 * @return A List<ResolveInfo> containing one entry for each matching 1066 * Receiver. These are ordered from first to last in priority. If 1067 * there are no matching receivers, an empty list is returned. 1068 * 1069 * @see #MATCH_DEFAULT_ONLY 1070 * @see #GET_INTENT_FILTERS 1071 * @see #GET_RESOLVED_FILTER 1072 */ 1073 public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent, 1074 int flags); 1075 1076 /** 1077 * Determine the best service to handle for a given Intent. 1078 * 1079 * @param intent An intent containing all of the desired specification 1080 * (action, data, type, category, and/or component). 1081 * @param flags Additional option flags. 1082 * 1083 * @return Returns a ResolveInfo containing the final service intent that 1084 * was determined to be the best action. Returns null if no 1085 * matching service was found. 1086 * 1087 * @see #GET_INTENT_FILTERS 1088 * @see #GET_RESOLVED_FILTER 1089 */ 1090 public abstract ResolveInfo resolveService(Intent intent, int flags); 1091 1092 /** 1093 * Retrieve all services that can match the given intent. 1094 * 1095 * @param intent The desired intent as per resolveService(). 1096 * @param flags Additional option flags. 1097 * 1098 * @return A List<ResolveInfo> containing one entry for each matching 1099 * ServiceInfo. These are ordered from best to worst match -- that 1100 * is, the first item in the list is what is returned by 1101 * resolveService(). If there are no matching services, an empty 1102 * list is returned. 1103 * 1104 * @see #GET_INTENT_FILTERS 1105 * @see #GET_RESOLVED_FILTER 1106 */ 1107 public abstract List<ResolveInfo> queryIntentServices(Intent intent, 1108 int flags); 1109 1110 /** 1111 * Find a single content provider by its base path name. 1112 * 1113 * @param name The name of the provider to find. 1114 * @param flags Additional option flags. Currently should always be 0. 1115 * 1116 * @return ContentProviderInfo Information about the provider, if found, 1117 * else null. 1118 */ 1119 public abstract ProviderInfo resolveContentProvider(String name, 1120 int flags); 1121 1122 /** 1123 * Retrieve content provider information. 1124 * 1125 * <p><em>Note: unlike most other methods, an empty result set is indicated 1126 * by a null return instead of an empty list.</em> 1127 * 1128 * @param processName If non-null, limits the returned providers to only 1129 * those that are hosted by the given process. If null, 1130 * all content providers are returned. 1131 * @param uid If <var>processName</var> is non-null, this is the required 1132 * uid owning the requested content providers. 1133 * @param flags Additional option flags. Currently should always be 0. 1134 * 1135 * @return A List<ContentProviderInfo> containing one entry for each 1136 * content provider either patching <var>processName</var> or, if 1137 * <var>processName</var> is null, all known content providers. 1138 * <em>If there are no matching providers, null is returned.</em> 1139 */ 1140 public abstract List<ProviderInfo> queryContentProviders( 1141 String processName, int uid, int flags); 1142 1143 /** 1144 * Retrieve all of the information we know about a particular 1145 * instrumentation class. 1146 * 1147 * <p>Throws {@link NameNotFoundException} if instrumentation with the 1148 * given class name can not be found on the system. 1149 * 1150 * @param className The full name (i.e. 1151 * com.google.apps.contacts.InstrumentList) of an 1152 * Instrumentation class. 1153 * @param flags Additional option flags. Currently should always be 0. 1154 * 1155 * @return InstrumentationInfo containing information about the 1156 * instrumentation. 1157 */ 1158 public abstract InstrumentationInfo getInstrumentationInfo( 1159 ComponentName className, int flags) throws NameNotFoundException; 1160 1161 /** 1162 * Retrieve information about available instrumentation code. May be used 1163 * to retrieve either all instrumentation code, or only the code targeting 1164 * a particular package. 1165 * 1166 * @param targetPackage If null, all instrumentation is returned; only the 1167 * instrumentation targeting this package name is 1168 * returned. 1169 * @param flags Additional option flags. Currently should always be 0. 1170 * 1171 * @return A List<InstrumentationInfo> containing one entry for each 1172 * matching available Instrumentation. Returns an empty list if 1173 * there is no instrumentation available for the given package. 1174 */ 1175 public abstract List<InstrumentationInfo> queryInstrumentation( 1176 String targetPackage, int flags); 1177 1178 /** 1179 * Retrieve an image from a package. This is a low-level API used by 1180 * the various package manager info structures (such as 1181 * {@link ComponentInfo} to implement retrieval of their associated 1182 * icon. 1183 * 1184 * @param packageName The name of the package that this icon is coming from. 1185 * Can not be null. 1186 * @param resid The resource identifier of the desired image. Can not be 0. 1187 * @param appInfo Overall information about <var>packageName</var>. This 1188 * may be null, in which case the application information will be retrieved 1189 * for you if needed; if you already have this information around, it can 1190 * be much more efficient to supply it here. 1191 * 1192 * @return Returns a Drawable holding the requested image. Returns null if 1193 * an image could not be found for any reason. 1194 */ 1195 public abstract Drawable getDrawable(String packageName, int resid, 1196 ApplicationInfo appInfo); 1197 1198 /** 1199 * Retrieve the icon associated with an activity. Given the full name of 1200 * an activity, retrieves the information about it and calls 1201 * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon. 1202 * If the activity can not be found, NameNotFoundException is thrown. 1203 * 1204 * @param activityName Name of the activity whose icon is to be retrieved. 1205 * 1206 * @return Returns the image of the icon, or the default activity icon if 1207 * it could not be found. Does not return null. 1208 * @throws NameNotFoundException Thrown if the resources for the given 1209 * activity could not be loaded. 1210 * 1211 * @see #getActivityIcon(Intent) 1212 */ 1213 public abstract Drawable getActivityIcon(ComponentName activityName) 1214 throws NameNotFoundException; 1215 1216 /** 1217 * Retrieve the icon associated with an Intent. If intent.getClassName() is 1218 * set, this simply returns the result of 1219 * getActivityIcon(intent.getClassName()). Otherwise it resolves the intent's 1220 * component and returns the icon associated with the resolved component. 1221 * If intent.getClassName() can not be found or the Intent can not be resolved 1222 * to a component, NameNotFoundException is thrown. 1223 * 1224 * @param intent The intent for which you would like to retrieve an icon. 1225 * 1226 * @return Returns the image of the icon, or the default activity icon if 1227 * it could not be found. Does not return null. 1228 * @throws NameNotFoundException Thrown if the resources for application 1229 * matching the given intent could not be loaded. 1230 * 1231 * @see #getActivityIcon(ComponentName) 1232 */ 1233 public abstract Drawable getActivityIcon(Intent intent) 1234 throws NameNotFoundException; 1235 1236 /** 1237 * Return the generic icon for an activity that is used when no specific 1238 * icon is defined. 1239 * 1240 * @return Drawable Image of the icon. 1241 */ 1242 public abstract Drawable getDefaultActivityIcon(); 1243 1244 /** 1245 * Retrieve the icon associated with an application. If it has not defined 1246 * an icon, the default app icon is returned. Does not return null. 1247 * 1248 * @param info Information about application being queried. 1249 * 1250 * @return Returns the image of the icon, or the default application icon 1251 * if it could not be found. 1252 * 1253 * @see #getApplicationIcon(String) 1254 */ 1255 public abstract Drawable getApplicationIcon(ApplicationInfo info); 1256 1257 /** 1258 * Retrieve the icon associated with an application. Given the name of the 1259 * application's package, retrieves the information about it and calls 1260 * getApplicationIcon() to return its icon. If the application can not be 1261 * found, NameNotFoundException is thrown. 1262 * 1263 * @param packageName Name of the package whose application icon is to be 1264 * retrieved. 1265 * 1266 * @return Returns the image of the icon, or the default application icon 1267 * if it could not be found. Does not return null. 1268 * @throws NameNotFoundException Thrown if the resources for the given 1269 * application could not be loaded. 1270 * 1271 * @see #getApplicationIcon(ApplicationInfo) 1272 */ 1273 public abstract Drawable getApplicationIcon(String packageName) 1274 throws NameNotFoundException; 1275 1276 /** 1277 * Retrieve text from a package. This is a low-level API used by 1278 * the various package manager info structures (such as 1279 * {@link ComponentInfo} to implement retrieval of their associated 1280 * labels and other text. 1281 * 1282 * @param packageName The name of the package that this text is coming from. 1283 * Can not be null. 1284 * @param resid The resource identifier of the desired text. Can not be 0. 1285 * @param appInfo Overall information about <var>packageName</var>. This 1286 * may be null, in which case the application information will be retrieved 1287 * for you if needed; if you already have this information around, it can 1288 * be much more efficient to supply it here. 1289 * 1290 * @return Returns a CharSequence holding the requested text. Returns null 1291 * if the text could not be found for any reason. 1292 */ 1293 public abstract CharSequence getText(String packageName, int resid, 1294 ApplicationInfo appInfo); 1295 1296 /** 1297 * Retrieve an XML file from a package. This is a low-level API used to 1298 * retrieve XML meta data. 1299 * 1300 * @param packageName The name of the package that this xml is coming from. 1301 * Can not be null. 1302 * @param resid The resource identifier of the desired xml. Can not be 0. 1303 * @param appInfo Overall information about <var>packageName</var>. This 1304 * may be null, in which case the application information will be retrieved 1305 * for you if needed; if you already have this information around, it can 1306 * be much more efficient to supply it here. 1307 * 1308 * @return Returns an XmlPullParser allowing you to parse out the XML 1309 * data. Returns null if the xml resource could not be found for any 1310 * reason. 1311 */ 1312 public abstract XmlResourceParser getXml(String packageName, int resid, 1313 ApplicationInfo appInfo); 1314 1315 /** 1316 * Return the label to use for this application. 1317 * 1318 * @return Returns the label associated with this application, or null if 1319 * it could not be found for any reason. 1320 * @param info The application to get the label of 1321 */ 1322 public abstract CharSequence getApplicationLabel(ApplicationInfo info); 1323 1324 /** 1325 * Retrieve the resources associated with an activity. Given the full 1326 * name of an activity, retrieves the information about it and calls 1327 * getResources() to return its application's resources. If the activity 1328 * can not be found, NameNotFoundException is thrown. 1329 * 1330 * @param activityName Name of the activity whose resources are to be 1331 * retrieved. 1332 * 1333 * @return Returns the application's Resources. 1334 * @throws NameNotFoundException Thrown if the resources for the given 1335 * application could not be loaded. 1336 * 1337 * @see #getResourcesForApplication(ApplicationInfo) 1338 */ 1339 public abstract Resources getResourcesForActivity(ComponentName activityName) 1340 throws NameNotFoundException; 1341 1342 /** 1343 * Retrieve the resources for an application. Throws NameNotFoundException 1344 * if the package is no longer installed. 1345 * 1346 * @param app Information about the desired application. 1347 * 1348 * @return Returns the application's Resources. 1349 * @throws NameNotFoundException Thrown if the resources for the given 1350 * application could not be loaded (most likely because it was uninstalled). 1351 */ 1352 public abstract Resources getResourcesForApplication(ApplicationInfo app) 1353 throws NameNotFoundException; 1354 1355 /** 1356 * Retrieve the resources associated with an application. Given the full 1357 * package name of an application, retrieves the information about it and 1358 * calls getResources() to return its application's resources. If the 1359 * appPackageName can not be found, NameNotFoundException is thrown. 1360 * 1361 * @param appPackageName Package name of the application whose resources 1362 * are to be retrieved. 1363 * 1364 * @return Returns the application's Resources. 1365 * @throws NameNotFoundException Thrown if the resources for the given 1366 * application could not be loaded. 1367 * 1368 * @see #getResourcesForApplication(ApplicationInfo) 1369 */ 1370 public abstract Resources getResourcesForApplication(String appPackageName) 1371 throws NameNotFoundException; 1372 1373 /** 1374 * Retrieve overall information about an application package defined 1375 * in a package archive file 1376 * 1377 * @param archiveFilePath The path to the archive file 1378 * @param flags Additional option flags. Use any combination of 1379 * {@link #GET_ACTIVITIES}, 1380 * {@link #GET_GIDS}, 1381 * {@link #GET_CONFIGURATIONS}, 1382 * {@link #GET_INSTRUMENTATION}, 1383 * {@link #GET_PERMISSIONS}, 1384 * {@link #GET_PROVIDERS}, 1385 * {@link #GET_RECEIVERS}, 1386 * {@link #GET_SERVICES}, 1387 * {@link #GET_SIGNATURES}, to modify the data returned. 1388 * 1389 * @return Returns the information about the package. Returns 1390 * null if the package could not be successfully parsed. 1391 * 1392 * @see #GET_ACTIVITIES 1393 * @see #GET_GIDS 1394 * @see #GET_CONFIGURATIONS 1395 * @see #GET_INSTRUMENTATION 1396 * @see #GET_PERMISSIONS 1397 * @see #GET_PROVIDERS 1398 * @see #GET_RECEIVERS 1399 * @see #GET_SERVICES 1400 * @see #GET_SIGNATURES 1401 * 1402 */ 1403 public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) { 1404 PackageParser packageParser = new PackageParser(archiveFilePath); 1405 DisplayMetrics metrics = new DisplayMetrics(); 1406 metrics.setToDefaults(); 1407 final File sourceFile = new File(archiveFilePath); 1408 PackageParser.Package pkg = packageParser.parsePackage( 1409 sourceFile, archiveFilePath, metrics, 0); 1410 if (pkg == null) { 1411 return null; 1412 } 1413 return PackageParser.generatePackageInfo(pkg, null, flags); 1414 } 1415 1416 /** 1417 * @hide 1418 * 1419 * Install a package. Since this may take a little while, the result will 1420 * be posted back to the given observer. An installation will fail if the calling context 1421 * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the 1422 * package named in the package file's manifest is already installed, or if there's no space 1423 * available on the device. 1424 * 1425 * @param packageURI The location of the package file to install. This can be a 'file:' or a 1426 * 'content:' URI. 1427 * @param observer An observer callback to get notified when the package installation is 1428 * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be 1429 * called when that happens. observer may be null to indicate that no callback is desired. 1430 * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK}, 1431 * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}. 1432 * @param installerPackageName Optional package name of the application that is performing the 1433 * installation. This identifies which market the package came from. 1434 */ 1435 public abstract void installPackage( 1436 Uri packageURI, IPackageInstallObserver observer, int flags, 1437 String installerPackageName); 1438 1439 /** 1440 * Attempts to delete a package. Since this may take a little while, the result will 1441 * be posted back to the given observer. A deletion will fail if the calling context 1442 * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the 1443 * named package cannot be found, or if the named package is a "system package". 1444 * (TODO: include pointer to documentation on "system packages") 1445 * 1446 * @param packageName The name of the package to delete 1447 * @param observer An observer callback to get notified when the package deletion is 1448 * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be 1449 * called when that happens. observer may be null to indicate that no callback is desired. 1450 * @param flags - possible values: {@link #DONT_DELETE_DATA} 1451 * 1452 * @hide 1453 */ 1454 public abstract void deletePackage( 1455 String packageName, IPackageDeleteObserver observer, int flags); 1456 1457 /** 1458 * Retrieve the package name of the application that installed a package. This identifies 1459 * which market the package came from. 1460 * 1461 * @param packageName The name of the package to query 1462 * 1463 * @hide 1464 */ 1465 public abstract String getInstallerPackageName(String packageName); 1466 1467 /** 1468 * Attempts to clear the user data directory of an application. 1469 * Since this may take a little while, the result will 1470 * be posted back to the given observer. A deletion will fail if the 1471 * named package cannot be found, or if the named package is a "system package". 1472 * 1473 * @param packageName The name of the package 1474 * @param observer An observer callback to get notified when the operation is finished 1475 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1476 * will be called when that happens. observer may be null to indicate that 1477 * no callback is desired. 1478 * 1479 * @hide 1480 */ 1481 public abstract void clearApplicationUserData(String packageName, 1482 IPackageDataObserver observer); 1483 /** 1484 * Attempts to delete the cache files associated with an application. 1485 * Since this may take a little while, the result will 1486 * be posted back to the given observer. A deletion will fail if the calling context 1487 * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the 1488 * named package cannot be found, or if the named package is a "system package". 1489 * 1490 * @param packageName The name of the package to delete 1491 * @param observer An observer callback to get notified when the cache file deletion 1492 * is complete. 1493 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1494 * will be called when that happens. observer may be null to indicate that 1495 * no callback is desired. 1496 * 1497 * @hide 1498 */ 1499 public abstract void deleteApplicationCacheFiles(String packageName, 1500 IPackageDataObserver observer); 1501 1502 /** 1503 * Free storage by deleting LRU sorted list of cache files across 1504 * all applications. If the currently available free storage 1505 * on the device is greater than or equal to the requested 1506 * free storage, no cache files are cleared. If the currently 1507 * available storage on the device is less than the requested 1508 * free storage, some or all of the cache files across 1509 * all applications are deleted (based on last accessed time) 1510 * to increase the free storage space on the device to 1511 * the requested value. There is no guarantee that clearing all 1512 * the cache files from all applications will clear up 1513 * enough storage to achieve the desired value. 1514 * @param freeStorageSize The number of bytes of storage to be 1515 * freed by the system. Say if freeStorageSize is XX, 1516 * and the current free storage is YY, 1517 * if XX is less than YY, just return. if not free XX-YY number 1518 * of bytes if possible. 1519 * @param observer call back used to notify when 1520 * the operation is completed 1521 * 1522 * @hide 1523 */ 1524 public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer); 1525 1526 /** 1527 * Free storage by deleting LRU sorted list of cache files across 1528 * all applications. If the currently available free storage 1529 * on the device is greater than or equal to the requested 1530 * free storage, no cache files are cleared. If the currently 1531 * available storage on the device is less than the requested 1532 * free storage, some or all of the cache files across 1533 * all applications are deleted (based on last accessed time) 1534 * to increase the free storage space on the device to 1535 * the requested value. There is no guarantee that clearing all 1536 * the cache files from all applications will clear up 1537 * enough storage to achieve the desired value. 1538 * @param freeStorageSize The number of bytes of storage to be 1539 * freed by the system. Say if freeStorageSize is XX, 1540 * and the current free storage is YY, 1541 * if XX is less than YY, just return. if not free XX-YY number 1542 * of bytes if possible. 1543 * @param opFinishedIntent PendingIntent call back used to 1544 * notify when the operation is completed.May be null 1545 * to indicate that no call back is desired. 1546 * 1547 * @hide 1548 */ 1549 public abstract void freeStorage(long freeStorageSize, PendingIntent opFinishedIntent); 1550 1551 /** 1552 * Retrieve the size information for a package. 1553 * Since this may take a little while, the result will 1554 * be posted back to the given observer. The calling context 1555 * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission. 1556 * 1557 * @param packageName The name of the package whose size information is to be retrieved 1558 * @param observer An observer callback to get notified when the operation 1559 * is complete. 1560 * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)} 1561 * The observer's callback is invoked with a PackageStats object(containing the 1562 * code, data and cache sizes of the package) and a boolean value representing 1563 * the status of the operation. observer may be null to indicate that 1564 * no callback is desired. 1565 * 1566 * @hide 1567 */ 1568 public abstract void getPackageSizeInfo(String packageName, 1569 IPackageStatsObserver observer); 1570 1571 /** 1572 * Add a new package to the list of preferred packages. This new package 1573 * will be added to the front of the list (removed from its current location 1574 * if already listed), meaning it will now be preferred over all other 1575 * packages when resolving conflicts. 1576 * 1577 * @param packageName The package name of the new package to make preferred. 1578 */ 1579 public abstract void addPackageToPreferred(String packageName); 1580 1581 /** 1582 * Remove a package from the list of preferred packages. If it was on 1583 * the list, it will no longer be preferred over other packages. 1584 * 1585 * @param packageName The package name to remove. 1586 */ 1587 public abstract void removePackageFromPreferred(String packageName); 1588 1589 /** 1590 * Retrieve the list of all currently configured preferred packages. The 1591 * first package on the list is the most preferred, the last is the 1592 * least preferred. 1593 * 1594 * @param flags Additional option flags. Use any combination of 1595 * {@link #GET_ACTIVITIES}, 1596 * {@link #GET_GIDS}, 1597 * {@link #GET_CONFIGURATIONS}, 1598 * {@link #GET_INSTRUMENTATION}, 1599 * {@link #GET_PERMISSIONS}, 1600 * {@link #GET_PROVIDERS}, 1601 * {@link #GET_RECEIVERS}, 1602 * {@link #GET_SERVICES}, 1603 * {@link #GET_SIGNATURES}, to modify the data returned. 1604 * 1605 * @return Returns a list of PackageInfo objects describing each 1606 * preferred application, in order of preference. 1607 * 1608 * @see #GET_ACTIVITIES 1609 * @see #GET_GIDS 1610 * @see #GET_CONFIGURATIONS 1611 * @see #GET_INSTRUMENTATION 1612 * @see #GET_PERMISSIONS 1613 * @see #GET_PROVIDERS 1614 * @see #GET_RECEIVERS 1615 * @see #GET_SERVICES 1616 * @see #GET_SIGNATURES 1617 */ 1618 public abstract List<PackageInfo> getPreferredPackages(int flags); 1619 1620 /** 1621 * Add a new preferred activity mapping to the system. This will be used 1622 * to automatically select the given activity component when 1623 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1624 * multiple matching activities and also matches the given filter. 1625 * 1626 * @param filter The set of intents under which this activity will be 1627 * made preferred. 1628 * @param match The IntentFilter match category that this preference 1629 * applies to. 1630 * @param set The set of activities that the user was picking from when 1631 * this preference was made. 1632 * @param activity The component name of the activity that is to be 1633 * preferred. 1634 */ 1635 public abstract void addPreferredActivity(IntentFilter filter, int match, 1636 ComponentName[] set, ComponentName activity); 1637 1638 /** 1639 * Replaces an existing preferred activity mapping to the system, and if that were not present 1640 * adds a new preferred activity. This will be used 1641 * to automatically select the given activity component when 1642 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1643 * multiple matching activities and also matches the given filter. 1644 * 1645 * @param filter The set of intents under which this activity will be 1646 * made preferred. 1647 * @param match The IntentFilter match category that this preference 1648 * applies to. 1649 * @param set The set of activities that the user was picking from when 1650 * this preference was made. 1651 * @param activity The component name of the activity that is to be 1652 * preferred. 1653 * @hide 1654 */ 1655 public abstract void replacePreferredActivity(IntentFilter filter, int match, 1656 ComponentName[] set, ComponentName activity); 1657 1658 /** 1659 * Remove all preferred activity mappings, previously added with 1660 * {@link #addPreferredActivity}, from the 1661 * system whose activities are implemented in the given package name. 1662 * 1663 * @param packageName The name of the package whose preferred activity 1664 * mappings are to be removed. 1665 */ 1666 public abstract void clearPackagePreferredActivities(String packageName); 1667 1668 /** 1669 * Retrieve all preferred activities, previously added with 1670 * {@link #addPreferredActivity}, that are 1671 * currently registered with the system. 1672 * 1673 * @param outFilters A list in which to place the filters of all of the 1674 * preferred activities, or null for none. 1675 * @param outActivities A list in which to place the component names of 1676 * all of the preferred activities, or null for none. 1677 * @param packageName An option package in which you would like to limit 1678 * the list. If null, all activities will be returned; if non-null, only 1679 * those activities in the given package are returned. 1680 * 1681 * @return Returns the total number of registered preferred activities 1682 * (the number of distinct IntentFilter records, not the number of unique 1683 * activity components) that were found. 1684 */ 1685 public abstract int getPreferredActivities(List<IntentFilter> outFilters, 1686 List<ComponentName> outActivities, String packageName); 1687 1688 /** 1689 * Set the enabled setting for a package component (activity, receiver, service, provider). 1690 * This setting will override any enabled state which may have been set by the component in its 1691 * manifest. 1692 * 1693 * @param componentName The component to enable 1694 * @param newState The new enabled state for the component. The legal values for this state 1695 * are: 1696 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1697 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1698 * and 1699 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1700 * The last one removes the setting, thereby restoring the component's state to 1701 * whatever was set in it's manifest (or enabled, by default). 1702 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1703 */ 1704 public abstract void setComponentEnabledSetting(ComponentName componentName, 1705 int newState, int flags); 1706 1707 1708 /** 1709 * Return the the enabled setting for a package component (activity, 1710 * receiver, service, provider). This returns the last value set by 1711 * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most 1712 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1713 * the value originally specified in the manifest has not been modified. 1714 * 1715 * @param componentName The component to retrieve. 1716 * @return Returns the current enabled state for the component. May 1717 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1718 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1719 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1720 * component's enabled state is based on the original information in 1721 * the manifest as found in {@link ComponentInfo}. 1722 */ 1723 public abstract int getComponentEnabledSetting(ComponentName componentName); 1724 1725 /** 1726 * Set the enabled setting for an application 1727 * This setting will override any enabled state which may have been set by the application in 1728 * its manifest. It also overrides the enabled state set in the manifest for any of the 1729 * application's components. It does not override any enabled state set by 1730 * {@link #setComponentEnabledSetting} for any of the application's components. 1731 * 1732 * @param packageName The package name of the application to enable 1733 * @param newState The new enabled state for the component. The legal values for this state 1734 * are: 1735 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1736 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1737 * and 1738 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1739 * The last one removes the setting, thereby restoring the applications's state to 1740 * whatever was set in its manifest (or enabled, by default). 1741 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1742 */ 1743 public abstract void setApplicationEnabledSetting(String packageName, 1744 int newState, int flags); 1745 1746 /** 1747 * Return the the enabled setting for an application. This returns 1748 * the last value set by 1749 * {@link #setApplicationEnabledSetting(String, int, int)}; in most 1750 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1751 * the value originally specified in the manifest has not been modified. 1752 * 1753 * @param packageName The component to retrieve. 1754 * @return Returns the current enabled state for the component. May 1755 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1756 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1757 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1758 * application's enabled state is based on the original information in 1759 * the manifest as found in {@link ComponentInfo}. 1760 */ 1761 public abstract int getApplicationEnabledSetting(String packageName); 1762 1763 /** 1764 * Return whether the device has been booted into safe mode. 1765 */ 1766 public abstract boolean isSafeMode(); 1767} 1768