PackageManager.java revision dd6face5a66ed6c9ac24b2754ec046b82881182c
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 * Permission check result: this is returned by {@link #checkPermission} 184 * if the permission has been granted to the given package. 185 */ 186 public static final int PERMISSION_GRANTED = 0; 187 188 /** 189 * Permission check result: this is returned by {@link #checkPermission} 190 * if the permission has not been granted to the given package. 191 */ 192 public static final int PERMISSION_DENIED = -1; 193 194 /** 195 * Signature check result: this is returned by {@link #checkSignatures} 196 * if the two packages have a matching signature. 197 */ 198 public static final int SIGNATURE_MATCH = 0; 199 200 /** 201 * Signature check result: this is returned by {@link #checkSignatures} 202 * if neither of the two packages is signed. 203 */ 204 public static final int SIGNATURE_NEITHER_SIGNED = 1; 205 206 /** 207 * Signature check result: this is returned by {@link #checkSignatures} 208 * if the first package is not signed, but the second is. 209 */ 210 public static final int SIGNATURE_FIRST_NOT_SIGNED = -1; 211 212 /** 213 * Signature check result: this is returned by {@link #checkSignatures} 214 * if the second package is not signed, but the first is. 215 */ 216 public static final int SIGNATURE_SECOND_NOT_SIGNED = -2; 217 218 /** 219 * Signature check result: this is returned by {@link #checkSignatures} 220 * if both packages are signed but there is no matching signature. 221 */ 222 public static final int SIGNATURE_NO_MATCH = -3; 223 224 /** 225 * Signature check result: this is returned by {@link #checkSignatures} 226 * if either of the given package names are not valid. 227 */ 228 public static final int SIGNATURE_UNKNOWN_PACKAGE = -4; 229 230 public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0; 231 public static final int COMPONENT_ENABLED_STATE_ENABLED = 1; 232 public static final int COMPONENT_ENABLED_STATE_DISABLED = 2; 233 234 /** 235 * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to 236 * indicate that this package should be installed as forward locked, i.e. only the app itself 237 * should have access to it's code and non-resource assets. 238 * @hide 239 */ 240 public static final int INSTALL_FORWARD_LOCK = 0x00000001; 241 242 /** 243 * Flag parameter for {@link #installPackage} to indicate that you want to replace an already 244 * installed package, if one exists. 245 * @hide 246 */ 247 public static final int INSTALL_REPLACE_EXISTING = 0x00000002; 248 249 /** 250 * Flag parameter for {@link #installPackage} to indicate that you want to 251 * allow test packages (those that have set android:testOnly in their 252 * manifest) to be installed. 253 * @hide 254 */ 255 public static final int INSTALL_ALLOW_TEST = 0x00000004; 256 257 /** 258 * Flag parameter for 259 * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate 260 * that you don't want to kill the app containing the component. Be careful when you set this 261 * since changing component states can make the containing application's behavior unpredictable. 262 */ 263 public static final int DONT_KILL_APP = 0x00000001; 264 265 /** 266 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 267 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success. 268 * @hide 269 */ 270 public static final int INSTALL_SUCCEEDED = 1; 271 272 /** 273 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 274 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is 275 * already installed. 276 * @hide 277 */ 278 public static final int INSTALL_FAILED_ALREADY_EXISTS = -1; 279 280 /** 281 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 282 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive 283 * file is invalid. 284 * @hide 285 */ 286 public static final int INSTALL_FAILED_INVALID_APK = -2; 287 288 /** 289 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 290 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in 291 * is invalid. 292 * @hide 293 */ 294 public static final int INSTALL_FAILED_INVALID_URI = -3; 295 296 /** 297 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 298 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager 299 * service found that the device didn't have enough storage space to install the app. 300 * @hide 301 */ 302 public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4; 303 304 /** 305 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 306 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a 307 * package is already installed with the same name. 308 * @hide 309 */ 310 public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5; 311 312 /** 313 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 314 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 315 * the requested shared user does not exist. 316 * @hide 317 */ 318 public static final int INSTALL_FAILED_NO_SHARED_USER = -6; 319 320 /** 321 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 322 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 323 * a previously installed package of the same name has a different signature 324 * than the new package (and the old package's data was not removed). 325 * @hide 326 */ 327 public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7; 328 329 /** 330 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 331 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 332 * the new package is requested a shared user which is already installed on the 333 * device and does not have matching signature. 334 * @hide 335 */ 336 public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8; 337 338 /** 339 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 340 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 341 * the new package uses a shared library that is not available. 342 * @hide 343 */ 344 public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9; 345 346 /** 347 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 348 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 349 * the new package uses a shared library that is not available. 350 * @hide 351 */ 352 public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10; 353 354 /** 355 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 356 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 357 * the new package failed while optimizing and validating its dex files, 358 * either because there was not enough storage or the validation failed. 359 * @hide 360 */ 361 public static final int INSTALL_FAILED_DEXOPT = -11; 362 363 /** 364 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 365 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 366 * the new package failed because the current SDK version is older than 367 * that required by the package. 368 * @hide 369 */ 370 public static final int INSTALL_FAILED_OLDER_SDK = -12; 371 372 /** 373 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 374 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 375 * the new package failed because it contains a content provider with the 376 * same authority as a provider already installed in the system. 377 * @hide 378 */ 379 public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13; 380 381 /** 382 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 383 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 384 * the new package failed because the current SDK version is newer than 385 * that required by the package. 386 * @hide 387 */ 388 public static final int INSTALL_FAILED_NEWER_SDK = -14; 389 390 /** 391 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 392 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 393 * the new package failed because it has specified that it is a test-only 394 * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST} 395 * flag. 396 * @hide 397 */ 398 public static final int INSTALL_FAILED_TEST_ONLY = -15; 399 400 /** 401 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 402 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 403 * if the parser was given a path that is not a file, or does not end with the expected 404 * '.apk' extension. 405 * @hide 406 */ 407 public static final int INSTALL_PARSE_FAILED_NOT_APK = -100; 408 409 /** 410 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 411 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 412 * if the parser was unable to retrieve the AndroidManifest.xml file. 413 * @hide 414 */ 415 public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101; 416 417 /** 418 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 419 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 420 * if the parser encountered an unexpected exception. 421 * @hide 422 */ 423 public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102; 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 did not find any certificates in the .apk. 429 * @hide 430 */ 431 public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103; 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 found inconsistent certificates on the files in the .apk. 437 * @hide 438 */ 439 public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104; 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 encountered a CertificateEncodingException in one of the 445 * files in the .apk. 446 * @hide 447 */ 448 public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105; 449 450 /** 451 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 452 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 453 * if the parser encountered a bad or missing package name in the manifest. 454 * @hide 455 */ 456 public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106; 457 458 /** 459 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 460 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 461 * if the parser encountered a bad shared user id name in the manifest. 462 * @hide 463 */ 464 public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107; 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 some structural problem in the manifest. 470 * @hide 471 */ 472 public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108; 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 did not find any actionable tags (instrumentation or application) 478 * in the manifest. 479 * @hide 480 */ 481 public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109; 482 483 /** 484 * Indicates the state of installation. Used by PackageManager to 485 * figure out incomplete installations. Say a package is being installed 486 * (the state is set to PKG_INSTALL_INCOMPLETE) and remains so till 487 * the package installation is successful or unsuccesful lin which case 488 * the PackageManager will no longer maintain state information associated 489 * with the package. If some exception(like device freeze or battery being 490 * pulled out) occurs during installation of a package, the PackageManager 491 * needs this information to clean up the previously failed installation. 492 */ 493 public static final int PKG_INSTALL_INCOMPLETE = 0; 494 public static final int PKG_INSTALL_COMPLETE = 1; 495 496 /** 497 * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the 498 * package's data directory. 499 * 500 * @hide 501 */ 502 public static final int DONT_DELETE_DATA = 0x00000001; 503 504 /** 505 * Retrieve overall information about an application package that is 506 * installed on the system. 507 * 508 * <p>Throws {@link NameNotFoundException} if a package with the given 509 * name can not be found on the system. 510 * 511 * @param packageName The full name (i.e. com.google.apps.contacts) of the 512 * desired package. 513 514 * @param flags Additional option flags. Use any combination of 515 * {@link #GET_ACTIVITIES}, 516 * {@link #GET_GIDS}, 517 * {@link #GET_CONFIGURATIONS}, 518 * {@link #GET_INSTRUMENTATION}, 519 * {@link #GET_PERMISSIONS}, 520 * {@link #GET_PROVIDERS}, 521 * {@link #GET_RECEIVERS}, 522 * {@link #GET_SERVICES}, 523 * {@link #GET_SIGNATURES}, 524 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 525 * 526 * @return Returns a PackageInfo object containing information about the package. 527 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 528 * found in the list of installed applications, the package information is 529 * retrieved from the list of uninstalled applications(which includes 530 * installed applications as well as applications 531 * with data directory ie applications which had been 532 * deleted with DONT_DELTE_DATA flag set). 533 * 534 * @see #GET_ACTIVITIES 535 * @see #GET_GIDS 536 * @see #GET_CONFIGURATIONS 537 * @see #GET_INSTRUMENTATION 538 * @see #GET_PERMISSIONS 539 * @see #GET_PROVIDERS 540 * @see #GET_RECEIVERS 541 * @see #GET_SERVICES 542 * @see #GET_SIGNATURES 543 * @see #GET_UNINSTALLED_PACKAGES 544 * 545 */ 546 public abstract PackageInfo getPackageInfo(String packageName, int flags) 547 throws NameNotFoundException; 548 549 /** 550 * Return a "good" intent to launch a front-door activity in a package, 551 * for use for example to implement an "open" button when browsing through 552 * packages. The current implementation will look first for a main 553 * activity in the category {@link Intent#CATEGORY_INFO}, next for a 554 * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return 555 * null if neither are found. 556 * 557 * <p>Throws {@link NameNotFoundException} if a package with the given 558 * name can not be found on the system. 559 * 560 * @param packageName The name of the package to inspect. 561 * 562 * @return Returns either a fully-qualified Intent that can be used to 563 * launch the main activity in the package, or null if the package does 564 * not contain such an activity. 565 */ 566 public abstract Intent getLaunchIntentForPackage(String packageName); 567 568 /** 569 * Return an array of all of the secondary group-ids that have been 570 * assigned to a package. 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 full name (i.e. com.google.apps.contacts) of the 576 * desired package. 577 * 578 * @return Returns an int array of the assigned gids, or null if there 579 * are none. 580 */ 581 public abstract int[] getPackageGids(String packageName) 582 throws NameNotFoundException; 583 584 /** 585 * Retrieve all of the information we know about a particular permission. 586 * 587 * <p>Throws {@link NameNotFoundException} if a permission with the given 588 * name can not be found on the system. 589 * 590 * @param name The fully qualified name (i.e. com.google.permission.LOGIN) 591 * of the permission you are interested in. 592 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 593 * retrieve any meta-data associated with the permission. 594 * 595 * @return Returns a {@link PermissionInfo} containing information about the 596 * permission. 597 */ 598 public abstract PermissionInfo getPermissionInfo(String name, int flags) 599 throws NameNotFoundException; 600 601 /** 602 * Query for all of the permissions associated with a particular group. 603 * 604 * <p>Throws {@link NameNotFoundException} if the given group does not 605 * exist. 606 * 607 * @param group The fully qualified name (i.e. com.google.permission.LOGIN) 608 * of the permission group you are interested in. Use null to 609 * find all of the permissions not associated with a group. 610 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 611 * retrieve any meta-data associated with the permissions. 612 * 613 * @return Returns a list of {@link PermissionInfo} containing information 614 * about all of the permissions in the given group. 615 */ 616 public abstract List<PermissionInfo> queryPermissionsByGroup(String group, 617 int flags) throws NameNotFoundException; 618 619 /** 620 * Retrieve all of the information we know about a particular group of 621 * permissions. 622 * 623 * <p>Throws {@link NameNotFoundException} if a permission group with the given 624 * name can not be found on the system. 625 * 626 * @param name The fully qualified name (i.e. com.google.permission_group.APPS) 627 * of the permission you are interested in. 628 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 629 * retrieve any meta-data associated with the permission group. 630 * 631 * @return Returns a {@link PermissionGroupInfo} containing information 632 * about the permission. 633 */ 634 public abstract PermissionGroupInfo getPermissionGroupInfo(String name, 635 int flags) throws NameNotFoundException; 636 637 /** 638 * Retrieve all of the known permission groups in the system. 639 * 640 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 641 * retrieve any meta-data associated with the permission group. 642 * 643 * @return Returns a list of {@link PermissionGroupInfo} containing 644 * information about all of the known permission groups. 645 */ 646 public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags); 647 648 /** 649 * Retrieve all of the information we know about a particular 650 * package/application. 651 * 652 * <p>Throws {@link NameNotFoundException} if an application with the given 653 * package name can not be found on the system. 654 * 655 * @param packageName The full name (i.e. com.google.apps.contacts) of an 656 * application. 657 * @param flags Additional option flags. Use any combination of 658 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 659 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 660 * 661 * @return {@link ApplicationInfo} Returns ApplicationInfo object containing 662 * information about the package. 663 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 664 * found in the list of installed applications, 665 * the application information is retrieved from the 666 * list of uninstalled applications(which includes 667 * installed applications as well as applications 668 * with data directory ie applications which had been 669 * deleted with DONT_DELTE_DATA flag set). 670 * 671 * @see #GET_META_DATA 672 * @see #GET_SHARED_LIBRARY_FILES 673 * @see #GET_UNINSTALLED_PACKAGES 674 */ 675 public abstract ApplicationInfo getApplicationInfo(String packageName, 676 int flags) throws NameNotFoundException; 677 678 /** 679 * Retrieve all of the information we know about a particular activity 680 * class. 681 * 682 * <p>Throws {@link NameNotFoundException} if an activity with the given 683 * class name can not be found on the system. 684 * 685 * @param className The full name (i.e. 686 * com.google.apps.contacts.ContactsList) of an Activity 687 * class. 688 * @param flags Additional option flags. Use any combination of 689 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 690 * to modify the data (in ApplicationInfo) returned. 691 * 692 * @return {@link ActivityInfo} containing information about the activity. 693 * 694 * @see #GET_INTENT_FILTERS 695 * @see #GET_META_DATA 696 * @see #GET_SHARED_LIBRARY_FILES 697 */ 698 public abstract ActivityInfo getActivityInfo(ComponentName className, 699 int flags) throws NameNotFoundException; 700 701 /** 702 * Retrieve all of the information we know about a particular receiver 703 * class. 704 * 705 * <p>Throws {@link NameNotFoundException} if a receiver with the given 706 * class name can not be found on the system. 707 * 708 * @param className The full name (i.e. 709 * com.google.apps.contacts.CalendarAlarm) of a Receiver 710 * class. 711 * @param flags Additional option flags. Use any combination of 712 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 713 * to modify the data returned. 714 * 715 * @return {@link ActivityInfo} containing information about the receiver. 716 * 717 * @see #GET_INTENT_FILTERS 718 * @see #GET_META_DATA 719 * @see #GET_SHARED_LIBRARY_FILES 720 */ 721 public abstract ActivityInfo getReceiverInfo(ComponentName className, 722 int flags) throws NameNotFoundException; 723 724 /** 725 * Retrieve all of the information we know about a particular service 726 * class. 727 * 728 * <p>Throws {@link NameNotFoundException} if a service with the given 729 * class name can not be found on the system. 730 * 731 * @param className The full name (i.e. 732 * com.google.apps.media.BackgroundPlayback) of a Service 733 * class. 734 * @param flags Additional option flags. Use any combination of 735 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 736 * to modify the data returned. 737 * 738 * @return ServiceInfo containing information about the service. 739 * 740 * @see #GET_META_DATA 741 * @see #GET_SHARED_LIBRARY_FILES 742 */ 743 public abstract ServiceInfo getServiceInfo(ComponentName className, 744 int flags) throws NameNotFoundException; 745 746 /** 747 * Return a List of all packages that are installed 748 * on the device. 749 * 750 * @param flags Additional option flags. Use any combination of 751 * {@link #GET_ACTIVITIES}, 752 * {@link #GET_GIDS}, 753 * {@link #GET_CONFIGURATIONS}, 754 * {@link #GET_INSTRUMENTATION}, 755 * {@link #GET_PERMISSIONS}, 756 * {@link #GET_PROVIDERS}, 757 * {@link #GET_RECEIVERS}, 758 * {@link #GET_SERVICES}, 759 * {@link #GET_SIGNATURES}, 760 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 761 * 762 * @return A List of PackageInfo objects, one for each package that is 763 * installed on the device. In the unlikely case of there being no 764 * installed packages, an empty list is returned. 765 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 766 * applications including those deleted with DONT_DELETE_DATA 767 * (partially installed apps with data directory) will be returned. 768 * 769 * @see #GET_ACTIVITIES 770 * @see #GET_GIDS 771 * @see #GET_CONFIGURATIONS 772 * @see #GET_INSTRUMENTATION 773 * @see #GET_PERMISSIONS 774 * @see #GET_PROVIDERS 775 * @see #GET_RECEIVERS 776 * @see #GET_SERVICES 777 * @see #GET_SIGNATURES 778 * @see #GET_UNINSTALLED_PACKAGES 779 * 780 */ 781 public abstract List<PackageInfo> getInstalledPackages(int flags); 782 783 /** 784 * Check whether a particular package has been granted a particular 785 * permission. 786 * 787 * @param permName The name of the permission you are checking for, 788 * @param pkgName The name of the package you are checking against. 789 * 790 * @return If the package has the permission, PERMISSION_GRANTED is 791 * returned. If it does not have the permission, PERMISSION_DENIED 792 * is returned. 793 * 794 * @see #PERMISSION_GRANTED 795 * @see #PERMISSION_DENIED 796 */ 797 public abstract int checkPermission(String permName, String pkgName); 798 799 /** 800 * Add a new dynamic permission to the system. For this to work, your 801 * package must have defined a permission tree through the 802 * {@link android.R.styleable#AndroidManifestPermissionTree 803 * <permission-tree>} tag in its manifest. A package can only add 804 * permissions to trees that were defined by either its own package or 805 * another with the same user id; a permission is in a tree if it 806 * matches the name of the permission tree + ".": for example, 807 * "com.foo.bar" is a member of the permission tree "com.foo". 808 * 809 * <p>It is good to make your permission tree name descriptive, because you 810 * are taking possession of that entire set of permission names. Thus, it 811 * must be under a domain you control, with a suffix that will not match 812 * any normal permissions that may be declared in any applications that 813 * are part of that domain. 814 * 815 * <p>New permissions must be added before 816 * any .apks are installed that use those permissions. Permissions you 817 * add through this method are remembered across reboots of the device. 818 * If the given permission already exists, the info you supply here 819 * will be used to update it. 820 * 821 * @param info Description of the permission to be added. 822 * 823 * @return Returns true if a new permission was created, false if an 824 * existing one was updated. 825 * 826 * @throws SecurityException if you are not allowed to add the 827 * given permission name. 828 * 829 * @see #removePermission(String) 830 */ 831 public abstract boolean addPermission(PermissionInfo info); 832 833 /** 834 * Removes a permission that was previously added with 835 * {@link #addPermission(PermissionInfo)}. The same ownership rules apply 836 * -- you are only allowed to remove permissions that you are allowed 837 * to add. 838 * 839 * @param name The name of the permission to remove. 840 * 841 * @throws SecurityException if you are not allowed to remove the 842 * given permission name. 843 * 844 * @see #addPermission(PermissionInfo) 845 */ 846 public abstract void removePermission(String name); 847 848 /** 849 * Compare the signatures of two packages to determine if the same 850 * signature appears in both of them. If they do contain the same 851 * signature, then they are allowed special privileges when working 852 * with each other: they can share the same user-id, run instrumentation 853 * against each other, etc. 854 * 855 * @param pkg1 First package name whose signature will be compared. 856 * @param pkg2 Second package name whose signature will be compared. 857 * @return Returns an integer indicating whether there is a matching 858 * signature: the value is >= 0 if there is a match (or neither package 859 * is signed), or < 0 if there is not a match. The match result can be 860 * further distinguished with the success (>= 0) constants 861 * {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or 862 * failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED}, 863 * {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH}, 864 * or {@link #SIGNATURE_UNKNOWN_PACKAGE}. 865 * 866 * @see #SIGNATURE_MATCH 867 * @see #SIGNATURE_NEITHER_SIGNED 868 * @see #SIGNATURE_FIRST_NOT_SIGNED 869 * @see #SIGNATURE_SECOND_NOT_SIGNED 870 * @see #SIGNATURE_NO_MATCH 871 * @see #SIGNATURE_UNKNOWN_PACKAGE 872 */ 873 public abstract int checkSignatures(String pkg1, String pkg2); 874 875 /** 876 * Retrieve the names of all packages that are associated with a particular 877 * user id. In most cases, this will be a single package name, the package 878 * that has been assigned that user id. Where there are multiple packages 879 * sharing the same user id through the "sharedUserId" mechanism, all 880 * packages with that id will be returned. 881 * 882 * @param uid The user id for which you would like to retrieve the 883 * associated packages. 884 * 885 * @return Returns an array of one or more packages assigned to the user 886 * id, or null if there are no known packages with the given id. 887 */ 888 public abstract String[] getPackagesForUid(int uid); 889 890 /** 891 * Retrieve the official name associated with a user id. This name is 892 * guaranteed to never change, though it is possibly for the underlying 893 * user id to be changed. That is, if you are storing information about 894 * user ids in persistent storage, you should use the string returned 895 * by this function instead of the raw user-id. 896 * 897 * @param uid The user id for which you would like to retrieve a name. 898 * @return Returns a unique name for the given user id, or null if the 899 * user id is not currently assigned. 900 */ 901 public abstract String getNameForUid(int uid); 902 903 /** 904 * Return the user id associated with a shared user name. Multiple 905 * applications can specify a shared user name in their manifest and thus 906 * end up using a common uid. This might be used for new applications 907 * that use an existing shared user name and need to know the uid of the 908 * shared user. 909 * 910 * @param sharedUserName The shared user name whose uid is to be retrieved. 911 * @return Returns the uid associated with the shared user, or NameNotFoundException 912 * if the shared user name is not being used by any installed packages 913 * @hide 914 */ 915 public abstract int getUidForSharedUser(String sharedUserName) 916 throws NameNotFoundException; 917 918 /** 919 * Return a List of all application packages that are installed on the 920 * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all 921 * applications including those deleted with DONT_DELETE_DATA(partially 922 * installed apps with data directory) will be returned. 923 * 924 * @param flags Additional option flags. Use any combination of 925 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 926 * {link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 927 * 928 * @return A List of ApplicationInfo objects, one for each application that 929 * is installed on the device. In the unlikely case of there being 930 * no installed applications, an empty list is returned. 931 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 932 * applications including those deleted with DONT_DELETE_DATA 933 * (partially installed apps with data directory) will be returned. 934 * 935 * @see #GET_META_DATA 936 * @see #GET_SHARED_LIBRARY_FILES 937 * @see #GET_UNINSTALLED_PACKAGES 938 */ 939 public abstract List<ApplicationInfo> getInstalledApplications(int flags); 940 941 /** 942 * Get a list of shared libraries that are available on the 943 * system. 944 * 945 * @return An array of shared library names that are 946 * available on the system, or null if none are installed. 947 * 948 */ 949 public abstract String[] getSystemSharedLibraryNames(); 950 951 /** 952 * Determine the best action to perform for a given Intent. This is how 953 * {@link Intent#resolveActivity} finds an activity if a class has not 954 * been explicitly specified. 955 * 956 * @param intent An intent containing all of the desired specification 957 * (action, data, type, category, and/or component). 958 * @param flags Additional option flags. The most important is 959 * MATCH_DEFAULT_ONLY, to limit the resolution to only 960 * those activities that support the CATEGORY_DEFAULT. 961 * 962 * @return Returns a ResolveInfo containing the final activity intent that 963 * was determined to be the best action. Returns null if no 964 * matching activity was found. 965 * 966 * @see #MATCH_DEFAULT_ONLY 967 * @see #GET_INTENT_FILTERS 968 * @see #GET_RESOLVED_FILTER 969 */ 970 public abstract ResolveInfo resolveActivity(Intent intent, int flags); 971 972 /** 973 * Resolve the intent restricted to a package. 974 * {@see #resolveActivity} 975 * 976 * @param intent An intent containing all of the desired specification 977 * (action, data, type, category, and/or component). 978 * @param flags Additional option flags. The most important is 979 * MATCH_DEFAULT_ONLY, to limit the resolution to only 980 * those activities that support the CATEGORY_DEFAULT. 981 * @param packageName Restrict the intent resolution to this package. 982 * 983 * @return Returns a ResolveInfo containing the final activity intent that 984 * was determined to be the best action. Returns null if no 985 * matching activity was found. 986 */ 987 public abstract ResolveInfo resolveActivity(Intent intent, int flags, String packageName); 988 989 /** 990 * Retrieve all activities that can be performed for the given intent. 991 * 992 * @param intent The desired intent as per resolveActivity(). 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 * 997 * @return A List<ResolveInfo> containing one entry for each matching 998 * Activity. These are ordered from best to worst match -- that 999 * is, the first item in the list is what is returned by 1000 * resolveActivity(). If there are no matching activities, an empty 1001 * list is returned. 1002 * 1003 * @see #MATCH_DEFAULT_ONLY 1004 * @see #GET_INTENT_FILTERS 1005 * @see #GET_RESOLVED_FILTER 1006 */ 1007 public abstract List<ResolveInfo> queryIntentActivities(Intent intent, 1008 int flags); 1009 1010 /** 1011 * Retrieve a set of activities that should be presented to the user as 1012 * similar options. This is like {@link #queryIntentActivities}, except it 1013 * also allows you to supply a list of more explicit Intents that you would 1014 * like to resolve to particular options, and takes care of returning the 1015 * final ResolveInfo list in a reasonable order, with no duplicates, based 1016 * on those inputs. 1017 * 1018 * @param caller The class name of the activity that is making the 1019 * request. This activity will never appear in the output 1020 * list. Can be null. 1021 * @param specifics An array of Intents that should be resolved to the 1022 * first specific results. Can be null. 1023 * @param intent The desired intent as per resolveActivity(). 1024 * @param flags Additional option flags. The most important is 1025 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1026 * those activities that support the CATEGORY_DEFAULT. 1027 * 1028 * @return A List<ResolveInfo> containing one entry for each matching 1029 * Activity. These are ordered first by all of the intents resolved 1030 * in <var>specifics</var> and then any additional activities that 1031 * can handle <var>intent</var> but did not get included by one of 1032 * the <var>specifics</var> intents. If there are no matching 1033 * activities, an empty list is returned. 1034 * 1035 * @see #MATCH_DEFAULT_ONLY 1036 * @see #GET_INTENT_FILTERS 1037 * @see #GET_RESOLVED_FILTER 1038 */ 1039 public abstract List<ResolveInfo> queryIntentActivityOptions( 1040 ComponentName caller, Intent[] specifics, Intent intent, int flags); 1041 1042 /** 1043 * Retrieve all receivers that can handle a broadcast of the given intent. 1044 * 1045 * @param intent The desired intent as per resolveActivity(). 1046 * @param flags Additional option flags. The most important is 1047 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1048 * those activities that support the CATEGORY_DEFAULT. 1049 * 1050 * @return A List<ResolveInfo> containing one entry for each matching 1051 * Receiver. These are ordered from first to last in priority. If 1052 * there are no matching receivers, an empty list is returned. 1053 * 1054 * @see #MATCH_DEFAULT_ONLY 1055 * @see #GET_INTENT_FILTERS 1056 * @see #GET_RESOLVED_FILTER 1057 */ 1058 public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent, 1059 int flags); 1060 1061 /** 1062 * Determine the best service to handle for a given Intent. 1063 * 1064 * @param intent An intent containing all of the desired specification 1065 * (action, data, type, category, and/or component). 1066 * @param flags Additional option flags. 1067 * 1068 * @return Returns a ResolveInfo containing the final service intent that 1069 * was determined to be the best action. Returns null if no 1070 * matching service was found. 1071 * 1072 * @see #GET_INTENT_FILTERS 1073 * @see #GET_RESOLVED_FILTER 1074 */ 1075 public abstract ResolveInfo resolveService(Intent intent, int flags); 1076 1077 /** 1078 * Retrieve all services that can match the given intent. 1079 * 1080 * @param intent The desired intent as per resolveService(). 1081 * @param flags Additional option flags. 1082 * 1083 * @return A List<ResolveInfo> containing one entry for each matching 1084 * ServiceInfo. These are ordered from best to worst match -- that 1085 * is, the first item in the list is what is returned by 1086 * resolveService(). If there are no matching services, an empty 1087 * list is returned. 1088 * 1089 * @see #GET_INTENT_FILTERS 1090 * @see #GET_RESOLVED_FILTER 1091 */ 1092 public abstract List<ResolveInfo> queryIntentServices(Intent intent, 1093 int flags); 1094 1095 /** 1096 * Find a single content provider by its base path name. 1097 * 1098 * @param name The name of the provider to find. 1099 * @param flags Additional option flags. Currently should always be 0. 1100 * 1101 * @return ContentProviderInfo Information about the provider, if found, 1102 * else null. 1103 */ 1104 public abstract ProviderInfo resolveContentProvider(String name, 1105 int flags); 1106 1107 /** 1108 * Retrieve content provider information. 1109 * 1110 * <p><em>Note: unlike most other methods, an empty result set is indicated 1111 * by a null return instead of an empty list.</em> 1112 * 1113 * @param processName If non-null, limits the returned providers to only 1114 * those that are hosted by the given process. If null, 1115 * all content providers are returned. 1116 * @param uid If <var>processName</var> is non-null, this is the required 1117 * uid owning the requested content providers. 1118 * @param flags Additional option flags. Currently should always be 0. 1119 * 1120 * @return A List<ContentProviderInfo> containing one entry for each 1121 * content provider either patching <var>processName</var> or, if 1122 * <var>processName</var> is null, all known content providers. 1123 * <em>If there are no matching providers, null is returned.</em> 1124 */ 1125 public abstract List<ProviderInfo> queryContentProviders( 1126 String processName, int uid, int flags); 1127 1128 /** 1129 * Retrieve all of the information we know about a particular 1130 * instrumentation class. 1131 * 1132 * <p>Throws {@link NameNotFoundException} if instrumentation with the 1133 * given class name can not be found on the system. 1134 * 1135 * @param className The full name (i.e. 1136 * com.google.apps.contacts.InstrumentList) of an 1137 * Instrumentation class. 1138 * @param flags Additional option flags. Currently should always be 0. 1139 * 1140 * @return InstrumentationInfo containing information about the 1141 * instrumentation. 1142 */ 1143 public abstract InstrumentationInfo getInstrumentationInfo( 1144 ComponentName className, int flags) throws NameNotFoundException; 1145 1146 /** 1147 * Retrieve information about available instrumentation code. May be used 1148 * to retrieve either all instrumentation code, or only the code targeting 1149 * a particular package. 1150 * 1151 * @param targetPackage If null, all instrumentation is returned; only the 1152 * instrumentation targeting this package name is 1153 * returned. 1154 * @param flags Additional option flags. Currently should always be 0. 1155 * 1156 * @return A List<InstrumentationInfo> containing one entry for each 1157 * matching available Instrumentation. Returns an empty list if 1158 * there is no instrumentation available for the given package. 1159 */ 1160 public abstract List<InstrumentationInfo> queryInstrumentation( 1161 String targetPackage, int flags); 1162 1163 /** 1164 * Retrieve an image from a package. This is a low-level API used by 1165 * the various package manager info structures (such as 1166 * {@link ComponentInfo} to implement retrieval of their associated 1167 * icon. 1168 * 1169 * @param packageName The name of the package that this icon is coming from. 1170 * Can not be null. 1171 * @param resid The resource identifier of the desired image. Can not be 0. 1172 * @param appInfo Overall information about <var>packageName</var>. This 1173 * may be null, in which case the application information will be retrieved 1174 * for you if needed; if you already have this information around, it can 1175 * be much more efficient to supply it here. 1176 * 1177 * @return Returns a Drawable holding the requested image. Returns null if 1178 * an image could not be found for any reason. 1179 */ 1180 public abstract Drawable getDrawable(String packageName, int resid, 1181 ApplicationInfo appInfo); 1182 1183 /** 1184 * Retrieve the icon associated with an activity. Given the full name of 1185 * an activity, retrieves the information about it and calls 1186 * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon. 1187 * If the activity can not be found, NameNotFoundException is thrown. 1188 * 1189 * @param activityName Name of the activity whose icon is to be retrieved. 1190 * 1191 * @return Returns the image of the icon, or the default activity icon if 1192 * it could not be found. Does not return null. 1193 * @throws NameNotFoundException Thrown if the resources for the given 1194 * activity could not be loaded. 1195 * 1196 * @see #getActivityIcon(Intent) 1197 */ 1198 public abstract Drawable getActivityIcon(ComponentName activityName) 1199 throws NameNotFoundException; 1200 1201 /** 1202 * Retrieve the icon associated with an Intent. If intent.getClassName() is 1203 * set, this simply returns the result of 1204 * getActivityIcon(intent.getClassName()). Otherwise it resolves the intent's 1205 * component and returns the icon associated with the resolved component. 1206 * If intent.getClassName() can not be found or the Intent can not be resolved 1207 * to a component, NameNotFoundException is thrown. 1208 * 1209 * @param intent The intent for which you would like to retrieve an icon. 1210 * 1211 * @return Returns the image of the icon, or the default activity icon if 1212 * it could not be found. Does not return null. 1213 * @throws NameNotFoundException Thrown if the resources for application 1214 * matching the given intent could not be loaded. 1215 * 1216 * @see #getActivityIcon(ComponentName) 1217 */ 1218 public abstract Drawable getActivityIcon(Intent intent) 1219 throws NameNotFoundException; 1220 1221 /** 1222 * Return the generic icon for an activity that is used when no specific 1223 * icon is defined. 1224 * 1225 * @return Drawable Image of the icon. 1226 */ 1227 public abstract Drawable getDefaultActivityIcon(); 1228 1229 /** 1230 * Retrieve the icon associated with an application. If it has not defined 1231 * an icon, the default app icon is returned. Does not return null. 1232 * 1233 * @param info Information about application being queried. 1234 * 1235 * @return Returns the image of the icon, or the default application icon 1236 * if it could not be found. 1237 * 1238 * @see #getApplicationIcon(String) 1239 */ 1240 public abstract Drawable getApplicationIcon(ApplicationInfo info); 1241 1242 /** 1243 * Retrieve the icon associated with an application. Given the name of the 1244 * application's package, retrieves the information about it and calls 1245 * getApplicationIcon() to return its icon. If the application can not be 1246 * found, NameNotFoundException is thrown. 1247 * 1248 * @param packageName Name of the package whose application icon is to be 1249 * retrieved. 1250 * 1251 * @return Returns the image of the icon, or the default application icon 1252 * if it could not be found. Does not return null. 1253 * @throws NameNotFoundException Thrown if the resources for the given 1254 * application could not be loaded. 1255 * 1256 * @see #getApplicationIcon(ApplicationInfo) 1257 */ 1258 public abstract Drawable getApplicationIcon(String packageName) 1259 throws NameNotFoundException; 1260 1261 /** 1262 * Retrieve text from a package. This is a low-level API used by 1263 * the various package manager info structures (such as 1264 * {@link ComponentInfo} to implement retrieval of their associated 1265 * labels and other text. 1266 * 1267 * @param packageName The name of the package that this text is coming from. 1268 * Can not be null. 1269 * @param resid The resource identifier of the desired text. Can not be 0. 1270 * @param appInfo Overall information about <var>packageName</var>. This 1271 * may be null, in which case the application information will be retrieved 1272 * for you if needed; if you already have this information around, it can 1273 * be much more efficient to supply it here. 1274 * 1275 * @return Returns a CharSequence holding the requested text. Returns null 1276 * if the text could not be found for any reason. 1277 */ 1278 public abstract CharSequence getText(String packageName, int resid, 1279 ApplicationInfo appInfo); 1280 1281 /** 1282 * Retrieve an XML file from a package. This is a low-level API used to 1283 * retrieve XML meta data. 1284 * 1285 * @param packageName The name of the package that this xml is coming from. 1286 * Can not be null. 1287 * @param resid The resource identifier of the desired xml. Can not be 0. 1288 * @param appInfo Overall information about <var>packageName</var>. This 1289 * may be null, in which case the application information will be retrieved 1290 * for you if needed; if you already have this information around, it can 1291 * be much more efficient to supply it here. 1292 * 1293 * @return Returns an XmlPullParser allowing you to parse out the XML 1294 * data. Returns null if the xml resource could not be found for any 1295 * reason. 1296 */ 1297 public abstract XmlResourceParser getXml(String packageName, int resid, 1298 ApplicationInfo appInfo); 1299 1300 /** 1301 * Return the label to use for this application. 1302 * 1303 * @return Returns the label associated with this application, or null if 1304 * it could not be found for any reason. 1305 * @param info The application to get the label of 1306 */ 1307 public abstract CharSequence getApplicationLabel(ApplicationInfo info); 1308 1309 /** 1310 * Retrieve the resources associated with an activity. Given the full 1311 * name of an activity, retrieves the information about it and calls 1312 * getResources() to return its application's resources. If the activity 1313 * can not be found, NameNotFoundException is thrown. 1314 * 1315 * @param activityName Name of the activity whose resources are to be 1316 * retrieved. 1317 * 1318 * @return Returns the application's Resources. 1319 * @throws NameNotFoundException Thrown if the resources for the given 1320 * application could not be loaded. 1321 * 1322 * @see #getResourcesForApplication(ApplicationInfo) 1323 */ 1324 public abstract Resources getResourcesForActivity(ComponentName activityName) 1325 throws NameNotFoundException; 1326 1327 /** 1328 * Retrieve the resources for an application. Throws NameNotFoundException 1329 * if the package is no longer installed. 1330 * 1331 * @param app Information about the desired application. 1332 * 1333 * @return Returns the application's Resources. 1334 * @throws NameNotFoundException Thrown if the resources for the given 1335 * application could not be loaded (most likely because it was uninstalled). 1336 */ 1337 public abstract Resources getResourcesForApplication(ApplicationInfo app) 1338 throws NameNotFoundException; 1339 1340 /** 1341 * Retrieve the resources associated with an application. Given the full 1342 * package name of an application, retrieves the information about it and 1343 * calls getResources() to return its application's resources. If the 1344 * appPackageName can not be found, NameNotFoundException is thrown. 1345 * 1346 * @param appPackageName Package name of the application whose resources 1347 * are to be retrieved. 1348 * 1349 * @return Returns the application's Resources. 1350 * @throws NameNotFoundException Thrown if the resources for the given 1351 * application could not be loaded. 1352 * 1353 * @see #getResourcesForApplication(ApplicationInfo) 1354 */ 1355 public abstract Resources getResourcesForApplication(String appPackageName) 1356 throws NameNotFoundException; 1357 1358 /** 1359 * Retrieve overall information about an application package defined 1360 * in a package archive file 1361 * 1362 * @param archiveFilePath The path to the archive file 1363 * @param flags Additional option flags. Use any combination of 1364 * {@link #GET_ACTIVITIES}, 1365 * {@link #GET_GIDS}, 1366 * {@link #GET_CONFIGURATIONS}, 1367 * {@link #GET_INSTRUMENTATION}, 1368 * {@link #GET_PERMISSIONS}, 1369 * {@link #GET_PROVIDERS}, 1370 * {@link #GET_RECEIVERS}, 1371 * {@link #GET_SERVICES}, 1372 * {@link #GET_SIGNATURES}, to modify the data returned. 1373 * 1374 * @return Returns the information about the package. Returns 1375 * null if the package could not be successfully parsed. 1376 * 1377 * @see #GET_ACTIVITIES 1378 * @see #GET_GIDS 1379 * @see #GET_CONFIGURATIONS 1380 * @see #GET_INSTRUMENTATION 1381 * @see #GET_PERMISSIONS 1382 * @see #GET_PROVIDERS 1383 * @see #GET_RECEIVERS 1384 * @see #GET_SERVICES 1385 * @see #GET_SIGNATURES 1386 * 1387 */ 1388 public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) { 1389 PackageParser packageParser = new PackageParser(archiveFilePath); 1390 DisplayMetrics metrics = new DisplayMetrics(); 1391 metrics.setToDefaults(); 1392 final File sourceFile = new File(archiveFilePath); 1393 PackageParser.Package pkg = packageParser.parsePackage( 1394 sourceFile, archiveFilePath, metrics, 0); 1395 if (pkg == null) { 1396 return null; 1397 } 1398 return PackageParser.generatePackageInfo(pkg, null, flags); 1399 } 1400 1401 /** 1402 * @hide 1403 * 1404 * Install a package. Since this may take a little while, the result will 1405 * be posted back to the given observer. An installation will fail if the calling context 1406 * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the 1407 * package named in the package file's manifest is already installed, or if there's no space 1408 * available on the device. 1409 * 1410 * @param packageURI The location of the package file to install. This can be a 'file:' or a 1411 * 'content:' URI. 1412 * @param observer An observer callback to get notified when the package installation is 1413 * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be 1414 * called when that happens. observer may be null to indicate that no callback is desired. 1415 * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK}, 1416 * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}. 1417 * @param installerPackageName Optional package name of the application that is performing the 1418 * installation. This identifies which market the package came from. 1419 */ 1420 public abstract void installPackage( 1421 Uri packageURI, IPackageInstallObserver observer, int flags, 1422 String installerPackageName); 1423 1424 /** 1425 * Attempts to delete a package. Since this may take a little while, the result will 1426 * be posted back to the given observer. A deletion will fail if the calling context 1427 * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the 1428 * named package cannot be found, or if the named package is a "system package". 1429 * (TODO: include pointer to documentation on "system packages") 1430 * 1431 * @param packageName The name of the package to delete 1432 * @param observer An observer callback to get notified when the package deletion is 1433 * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be 1434 * called when that happens. observer may be null to indicate that no callback is desired. 1435 * @param flags - possible values: {@link #DONT_DELETE_DATA} 1436 * 1437 * @hide 1438 */ 1439 public abstract void deletePackage( 1440 String packageName, IPackageDeleteObserver observer, int flags); 1441 1442 /** 1443 * Retrieve the package name of the application that installed a package. This identifies 1444 * which market the package came from. 1445 * 1446 * @param packageName The name of the package to query 1447 */ 1448 public abstract String getInstallerPackageName(String packageName); 1449 1450 /** 1451 * Attempts to clear the user data directory of an application. 1452 * Since this may take a little while, the result will 1453 * be posted back to the given observer. A deletion will fail if the 1454 * named package cannot be found, or if the named package is a "system package". 1455 * 1456 * @param packageName The name of the package 1457 * @param observer An observer callback to get notified when the operation is finished 1458 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1459 * will be called when that happens. observer may be null to indicate that 1460 * no callback is desired. 1461 * 1462 * @hide 1463 */ 1464 public abstract void clearApplicationUserData(String packageName, 1465 IPackageDataObserver observer); 1466 /** 1467 * Attempts to delete the cache files associated with 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 calling context 1470 * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, 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 to delete 1474 * @param observer An observer callback to get notified when the cache file deletion 1475 * is complete. 1476 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1477 * will be called when that happens. observer may be null to indicate that 1478 * no callback is desired. 1479 * 1480 * @hide 1481 */ 1482 public abstract void deleteApplicationCacheFiles(String packageName, 1483 IPackageDataObserver observer); 1484 1485 /** 1486 * Free storage by deleting LRU sorted list of cache files across 1487 * all applications. If the currently available free storage 1488 * on the device is greater than or equal to the requested 1489 * free storage, no cache files are cleared. If the currently 1490 * available storage on the device is less than the requested 1491 * free storage, some or all of the cache files across 1492 * all applications are deleted (based on last accessed time) 1493 * to increase the free storage space on the device to 1494 * the requested value. There is no guarantee that clearing all 1495 * the cache files from all applications will clear up 1496 * enough storage to achieve the desired value. 1497 * @param freeStorageSize The number of bytes of storage to be 1498 * freed by the system. Say if freeStorageSize is XX, 1499 * and the current free storage is YY, 1500 * if XX is less than YY, just return. if not free XX-YY number 1501 * of bytes if possible. 1502 * @param observer call back used to notify when 1503 * the operation is completed 1504 * 1505 * @hide 1506 */ 1507 public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer); 1508 1509 /** 1510 * Free storage by deleting LRU sorted list of cache files across 1511 * all applications. If the currently available free storage 1512 * on the device is greater than or equal to the requested 1513 * free storage, no cache files are cleared. If the currently 1514 * available storage on the device is less than the requested 1515 * free storage, some or all of the cache files across 1516 * all applications are deleted (based on last accessed time) 1517 * to increase the free storage space on the device to 1518 * the requested value. There is no guarantee that clearing all 1519 * the cache files from all applications will clear up 1520 * enough storage to achieve the desired value. 1521 * @param freeStorageSize The number of bytes of storage to be 1522 * freed by the system. Say if freeStorageSize is XX, 1523 * and the current free storage is YY, 1524 * if XX is less than YY, just return. if not free XX-YY number 1525 * of bytes if possible. 1526 * @param opFinishedIntent PendingIntent call back used to 1527 * notify when the operation is completed.May be null 1528 * to indicate that no call back is desired. 1529 * 1530 * @hide 1531 */ 1532 public abstract void freeStorage(long freeStorageSize, PendingIntent opFinishedIntent); 1533 1534 /** 1535 * Retrieve the size information for a package. 1536 * Since this may take a little while, the result will 1537 * be posted back to the given observer. The calling context 1538 * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission. 1539 * 1540 * @param packageName The name of the package whose size information is to be retrieved 1541 * @param observer An observer callback to get notified when the operation 1542 * is complete. 1543 * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)} 1544 * The observer's callback is invoked with a PackageStats object(containing the 1545 * code, data and cache sizes of the package) and a boolean value representing 1546 * the status of the operation. observer may be null to indicate that 1547 * no callback is desired. 1548 * 1549 * @hide 1550 */ 1551 public abstract void getPackageSizeInfo(String packageName, 1552 IPackageStatsObserver observer); 1553 1554 /** 1555 * Add a new package to the list of preferred packages. This new package 1556 * will be added to the front of the list (removed from its current location 1557 * if already listed), meaning it will now be preferred over all other 1558 * packages when resolving conflicts. 1559 * 1560 * @param packageName The package name of the new package to make preferred. 1561 */ 1562 public abstract void addPackageToPreferred(String packageName); 1563 1564 /** 1565 * Remove a package from the list of preferred packages. If it was on 1566 * the list, it will no longer be preferred over other packages. 1567 * 1568 * @param packageName The package name to remove. 1569 */ 1570 public abstract void removePackageFromPreferred(String packageName); 1571 1572 /** 1573 * Retrieve the list of all currently configured preferred packages. The 1574 * first package on the list is the most preferred, the last is the 1575 * least preferred. 1576 * 1577 * @param flags Additional option flags. Use any combination of 1578 * {@link #GET_ACTIVITIES}, 1579 * {@link #GET_GIDS}, 1580 * {@link #GET_CONFIGURATIONS}, 1581 * {@link #GET_INSTRUMENTATION}, 1582 * {@link #GET_PERMISSIONS}, 1583 * {@link #GET_PROVIDERS}, 1584 * {@link #GET_RECEIVERS}, 1585 * {@link #GET_SERVICES}, 1586 * {@link #GET_SIGNATURES}, to modify the data returned. 1587 * 1588 * @return Returns a list of PackageInfo objects describing each 1589 * preferred application, in order of preference. 1590 * 1591 * @see #GET_ACTIVITIES 1592 * @see #GET_GIDS 1593 * @see #GET_CONFIGURATIONS 1594 * @see #GET_INSTRUMENTATION 1595 * @see #GET_PERMISSIONS 1596 * @see #GET_PROVIDERS 1597 * @see #GET_RECEIVERS 1598 * @see #GET_SERVICES 1599 * @see #GET_SIGNATURES 1600 */ 1601 public abstract List<PackageInfo> getPreferredPackages(int flags); 1602 1603 /** 1604 * Add a new preferred activity mapping to the system. This will be used 1605 * to automatically select the given activity component when 1606 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1607 * multiple matching activities and also matches the given filter. 1608 * 1609 * @param filter The set of intents under which this activity will be 1610 * made preferred. 1611 * @param match The IntentFilter match category that this preference 1612 * applies to. 1613 * @param set The set of activities that the user was picking from when 1614 * this preference was made. 1615 * @param activity The component name of the activity that is to be 1616 * preferred. 1617 */ 1618 public abstract void addPreferredActivity(IntentFilter filter, int match, 1619 ComponentName[] set, ComponentName activity); 1620 1621 /** 1622 * Remove all preferred activity mappings, previously added with 1623 * {@link #addPreferredActivity}, from the 1624 * system whose activities are implemented in the given package name. 1625 * 1626 * @param packageName The name of the package whose preferred activity 1627 * mappings are to be removed. 1628 */ 1629 public abstract void clearPackagePreferredActivities(String packageName); 1630 1631 /** 1632 * Retrieve all preferred activities, previously added with 1633 * {@link #addPreferredActivity}, that are 1634 * currently registered with the system. 1635 * 1636 * @param outFilters A list in which to place the filters of all of the 1637 * preferred activities, or null for none. 1638 * @param outActivities A list in which to place the component names of 1639 * all of the preferred activities, or null for none. 1640 * @param packageName An option package in which you would like to limit 1641 * the list. If null, all activities will be returned; if non-null, only 1642 * those activities in the given package are returned. 1643 * 1644 * @return Returns the total number of registered preferred activities 1645 * (the number of distinct IntentFilter records, not the number of unique 1646 * activity components) that were found. 1647 */ 1648 public abstract int getPreferredActivities(List<IntentFilter> outFilters, 1649 List<ComponentName> outActivities, String packageName); 1650 1651 /** 1652 * Set the enabled setting for a package component (activity, receiver, service, provider). 1653 * This setting will override any enabled state which may have been set by the component in its 1654 * manifest. 1655 * 1656 * @param componentName The component to enable 1657 * @param newState The new enabled state for the component. The legal values for this state 1658 * are: 1659 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1660 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1661 * and 1662 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1663 * The last one removes the setting, thereby restoring the component's state to 1664 * whatever was set in it's manifest (or enabled, by default). 1665 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1666 */ 1667 public abstract void setComponentEnabledSetting(ComponentName componentName, 1668 int newState, int flags); 1669 1670 1671 /** 1672 * Return the the enabled setting for a package component (activity, 1673 * receiver, service, provider). This returns the last value set by 1674 * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most 1675 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1676 * the value originally specified in the manifest has not been modified. 1677 * 1678 * @param componentName The component to retrieve. 1679 * @return Returns the current enabled state for the component. May 1680 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1681 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1682 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1683 * component's enabled state is based on the original information in 1684 * the manifest as found in {@link ComponentInfo}. 1685 */ 1686 public abstract int getComponentEnabledSetting(ComponentName componentName); 1687 1688 /** 1689 * Set the enabled setting for an application 1690 * This setting will override any enabled state which may have been set by the application in 1691 * its manifest. It also overrides the enabled state set in the manifest for any of the 1692 * application's components. It does not override any enabled state set by 1693 * {@link #setComponentEnabledSetting} for any of the application's components. 1694 * 1695 * @param packageName The package name of the application to enable 1696 * @param newState The new enabled state for the component. The legal values for this state 1697 * are: 1698 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1699 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1700 * and 1701 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1702 * The last one removes the setting, thereby restoring the applications's state to 1703 * whatever was set in its manifest (or enabled, by default). 1704 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1705 */ 1706 public abstract void setApplicationEnabledSetting(String packageName, 1707 int newState, int flags); 1708 1709 /** 1710 * Return the the enabled setting for an application. This returns 1711 * the last value set by 1712 * {@link #setApplicationEnabledSetting(String, int, int)}; in most 1713 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1714 * the value originally specified in the manifest has not been modified. 1715 * 1716 * @param packageName The component to retrieve. 1717 * @return Returns the current enabled state for the component. May 1718 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1719 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1720 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1721 * application's enabled state is based on the original information in 1722 * the manifest as found in {@link ComponentInfo}. 1723 */ 1724 public abstract int getApplicationEnabledSetting(String packageName); 1725 1726 /** 1727 * Return whether the device has been booted into safe mode. 1728 */ 1729 public abstract boolean isSafeMode(); 1730} 1731