PackageManager.java revision 039c68e75606e837cf021815a0210836724574ad
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.content.pm; 18 19import android.content.ComponentName; 20import android.content.Context; 21import android.content.Intent; 22import android.content.IntentFilter; 23import android.content.IntentSender; 24import android.content.res.Resources; 25import android.content.res.XmlResourceParser; 26import android.graphics.drawable.Drawable; 27import android.net.Uri; 28import android.util.AndroidException; 29import android.util.DisplayMetrics; 30 31import java.io.File; 32import java.util.List; 33 34/** 35 * Class for retrieving various kinds of information related to the application 36 * packages that are currently installed on the device. 37 * 38 * You can find this class through {@link Context#getPackageManager}. 39 */ 40public abstract class PackageManager { 41 42 /** 43 * This exception is thrown when a given package, application, or component 44 * name can not be found. 45 */ 46 public static class NameNotFoundException extends AndroidException { 47 public NameNotFoundException() { 48 } 49 50 public NameNotFoundException(String name) { 51 super(name); 52 } 53 } 54 55 /** 56 * {@link PackageInfo} flag: return information about 57 * activities in the package in {@link PackageInfo#activities}. 58 */ 59 public static final int GET_ACTIVITIES = 0x00000001; 60 61 /** 62 * {@link PackageInfo} flag: return information about 63 * intent receivers in the package in 64 * {@link PackageInfo#receivers}. 65 */ 66 public static final int GET_RECEIVERS = 0x00000002; 67 68 /** 69 * {@link PackageInfo} flag: return information about 70 * services in the package in {@link PackageInfo#services}. 71 */ 72 public static final int GET_SERVICES = 0x00000004; 73 74 /** 75 * {@link PackageInfo} flag: return information about 76 * content providers in the package in 77 * {@link PackageInfo#providers}. 78 */ 79 public static final int GET_PROVIDERS = 0x00000008; 80 81 /** 82 * {@link PackageInfo} flag: return information about 83 * instrumentation in the package in 84 * {@link PackageInfo#instrumentation}. 85 */ 86 public static final int GET_INSTRUMENTATION = 0x00000010; 87 88 /** 89 * {@link PackageInfo} flag: return information about the 90 * intent filters supported by the activity. 91 */ 92 public static final int GET_INTENT_FILTERS = 0x00000020; 93 94 /** 95 * {@link PackageInfo} flag: return information about the 96 * signatures included in the package. 97 */ 98 public static final int GET_SIGNATURES = 0x00000040; 99 100 /** 101 * {@link ResolveInfo} flag: return the IntentFilter that 102 * was matched for a particular ResolveInfo in 103 * {@link ResolveInfo#filter}. 104 */ 105 public static final int GET_RESOLVED_FILTER = 0x00000040; 106 107 /** 108 * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData} 109 * data {@link android.os.Bundle}s that are associated with a component. 110 * This applies for any API returning a ComponentInfo subclass. 111 */ 112 public static final int GET_META_DATA = 0x00000080; 113 114 /** 115 * {@link PackageInfo} flag: return the 116 * {@link PackageInfo#gids group ids} that are associated with an 117 * application. 118 * This applies for any API returning an PackageInfo class, either 119 * directly or nested inside of another. 120 */ 121 public static final int GET_GIDS = 0x00000100; 122 123 /** 124 * {@link PackageInfo} flag: include disabled components in the returned info. 125 */ 126 public static final int GET_DISABLED_COMPONENTS = 0x00000200; 127 128 /** 129 * {@link ApplicationInfo} flag: return the 130 * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries} 131 * that are associated with an application. 132 * This applies for any API returning an ApplicationInfo class, either 133 * directly or nested inside of another. 134 */ 135 public static final int GET_SHARED_LIBRARY_FILES = 0x00000400; 136 137 /** 138 * {@link ProviderInfo} flag: return the 139 * {@link ProviderInfo#uriPermissionPatterns URI permission patterns} 140 * that are associated with a content provider. 141 * This applies for any API returning an ProviderInfo class, either 142 * directly or nested inside of another. 143 */ 144 public static final int GET_URI_PERMISSION_PATTERNS = 0x00000800; 145 /** 146 * {@link PackageInfo} flag: return information about 147 * permissions in the package in 148 * {@link PackageInfo#permissions}. 149 */ 150 public static final int GET_PERMISSIONS = 0x00001000; 151 152 /** 153 * Flag parameter to retrieve all applications(even uninstalled ones) with data directories. 154 * This state could have resulted if applications have been deleted with flag 155 * DONT_DELETE_DATA 156 * with a possibility of being replaced or reinstalled in future 157 */ 158 public static final int GET_UNINSTALLED_PACKAGES = 0x00002000; 159 160 /** 161 * {@link PackageInfo} flag: return information about 162 * hardware preferences in 163 * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and 164 * requested features in {@link PackageInfo#reqFeatures 165 * PackageInfo.reqFeatures}. 166 */ 167 public static final int GET_CONFIGURATIONS = 0x00004000; 168 169 /** 170 * Resolution and querying flag: if set, only filters that support the 171 * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for 172 * matching. This is a synonym for including the CATEGORY_DEFAULT in your 173 * supplied Intent. 174 */ 175 public static final int MATCH_DEFAULT_ONLY = 0x00010000; 176 177 /** 178 * Permission check result: this is returned by {@link #checkPermission} 179 * if the permission has been granted to the given package. 180 */ 181 public static final int PERMISSION_GRANTED = 0; 182 183 /** 184 * Permission check result: this is returned by {@link #checkPermission} 185 * if the permission has not been granted to the given package. 186 */ 187 public static final int PERMISSION_DENIED = -1; 188 189 /** 190 * Signature check result: this is returned by {@link #checkSignatures} 191 * if the two packages have a matching signature. 192 */ 193 public static final int SIGNATURE_MATCH = 0; 194 195 /** 196 * Signature check result: this is returned by {@link #checkSignatures} 197 * if neither of the two packages is signed. 198 */ 199 public static final int SIGNATURE_NEITHER_SIGNED = 1; 200 201 /** 202 * Signature check result: this is returned by {@link #checkSignatures} 203 * if the first package is not signed, but the second is. 204 */ 205 public static final int SIGNATURE_FIRST_NOT_SIGNED = -1; 206 207 /** 208 * Signature check result: this is returned by {@link #checkSignatures} 209 * if the second package is not signed, but the first is. 210 */ 211 public static final int SIGNATURE_SECOND_NOT_SIGNED = -2; 212 213 /** 214 * Signature check result: this is returned by {@link #checkSignatures} 215 * if both packages are signed but there is no matching signature. 216 */ 217 public static final int SIGNATURE_NO_MATCH = -3; 218 219 /** 220 * Signature check result: this is returned by {@link #checkSignatures} 221 * if either of the given package names are not valid. 222 */ 223 public static final int SIGNATURE_UNKNOWN_PACKAGE = -4; 224 225 public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0; 226 public static final int COMPONENT_ENABLED_STATE_ENABLED = 1; 227 public static final int COMPONENT_ENABLED_STATE_DISABLED = 2; 228 229 /** 230 * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to 231 * indicate that this package should be installed as forward locked, i.e. only the app itself 232 * should have access to it's code and non-resource assets. 233 * @hide 234 */ 235 public static final int INSTALL_FORWARD_LOCK = 0x00000001; 236 237 /** 238 * Flag parameter for {@link #installPackage} to indicate that you want to replace an already 239 * installed package, if one exists. 240 * @hide 241 */ 242 public static final int INSTALL_REPLACE_EXISTING = 0x00000002; 243 244 /** 245 * Flag parameter for {@link #installPackage} to indicate that you want to 246 * allow test packages (those that have set android:testOnly in their 247 * manifest) to be installed. 248 * @hide 249 */ 250 public static final int INSTALL_ALLOW_TEST = 0x00000004; 251 252 /** 253 * Flag parameter for 254 * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate 255 * that you don't want to kill the app containing the component. Be careful when you set this 256 * since changing component states can make the containing application's behavior unpredictable. 257 */ 258 public static final int DONT_KILL_APP = 0x00000001; 259 260 /** 261 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 262 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success. 263 * @hide 264 */ 265 public static final int INSTALL_SUCCEEDED = 1; 266 267 /** 268 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 269 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is 270 * already installed. 271 * @hide 272 */ 273 public static final int INSTALL_FAILED_ALREADY_EXISTS = -1; 274 275 /** 276 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 277 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive 278 * file is invalid. 279 * @hide 280 */ 281 public static final int INSTALL_FAILED_INVALID_APK = -2; 282 283 /** 284 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 285 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in 286 * is invalid. 287 * @hide 288 */ 289 public static final int INSTALL_FAILED_INVALID_URI = -3; 290 291 /** 292 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 293 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager 294 * service found that the device didn't have enough storage space to install the app. 295 * @hide 296 */ 297 public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4; 298 299 /** 300 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 301 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a 302 * package is already installed with the same name. 303 * @hide 304 */ 305 public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5; 306 307 /** 308 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 309 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 310 * the requested shared user does not exist. 311 * @hide 312 */ 313 public static final int INSTALL_FAILED_NO_SHARED_USER = -6; 314 315 /** 316 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 317 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 318 * a previously installed package of the same name has a different signature 319 * than the new package (and the old package's data was not removed). 320 * @hide 321 */ 322 public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7; 323 324 /** 325 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 326 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 327 * the new package is requested a shared user which is already installed on the 328 * device and does not have matching signature. 329 * @hide 330 */ 331 public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8; 332 333 /** 334 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 335 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 336 * the new package uses a shared library that is not available. 337 * @hide 338 */ 339 public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9; 340 341 /** 342 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 343 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 344 * the new package uses a shared library that is not available. 345 * @hide 346 */ 347 public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10; 348 349 /** 350 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 351 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 352 * the new package failed while optimizing and validating its dex files, 353 * either because there was not enough storage or the validation failed. 354 * @hide 355 */ 356 public static final int INSTALL_FAILED_DEXOPT = -11; 357 358 /** 359 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 360 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 361 * the new package failed because the current SDK version is older than 362 * that required by the package. 363 * @hide 364 */ 365 public static final int INSTALL_FAILED_OLDER_SDK = -12; 366 367 /** 368 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 369 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 370 * the new package failed because it contains a content provider with the 371 * same authority as a provider already installed in the system. 372 * @hide 373 */ 374 public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13; 375 376 /** 377 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 378 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 379 * the new package failed because the current SDK version is newer than 380 * that required by the package. 381 * @hide 382 */ 383 public static final int INSTALL_FAILED_NEWER_SDK = -14; 384 385 /** 386 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 387 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 388 * the new package failed because it has specified that it is a test-only 389 * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST} 390 * flag. 391 * @hide 392 */ 393 public static final int INSTALL_FAILED_TEST_ONLY = -15; 394 395 /** 396 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 397 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 398 * the package being installed contains native code, but none that is 399 * compatible with the the device's CPU_ABI. 400 * @hide 401 */ 402 public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16; 403 404 /** 405 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 406 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 407 * the new package uses a feature that is not available. 408 * @hide 409 */ 410 public static final int INSTALL_FAILED_MISSING_FEATURE = -17; 411 412 /** 413 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 414 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 415 * if the parser was given a path that is not a file, or does not end with the expected 416 * '.apk' extension. 417 * @hide 418 */ 419 public static final int INSTALL_PARSE_FAILED_NOT_APK = -100; 420 421 /** 422 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 423 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 424 * if the parser was unable to retrieve the AndroidManifest.xml file. 425 * @hide 426 */ 427 public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101; 428 429 /** 430 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 431 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 432 * if the parser encountered an unexpected exception. 433 * @hide 434 */ 435 public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102; 436 437 /** 438 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 439 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 440 * if the parser did not find any certificates in the .apk. 441 * @hide 442 */ 443 public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103; 444 445 /** 446 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 447 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 448 * if the parser found inconsistent certificates on the files in the .apk. 449 * @hide 450 */ 451 public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104; 452 453 /** 454 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 455 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 456 * if the parser encountered a CertificateEncodingException in one of the 457 * files in the .apk. 458 * @hide 459 */ 460 public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105; 461 462 /** 463 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 464 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 465 * if the parser encountered a bad or missing package name in the manifest. 466 * @hide 467 */ 468 public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106; 469 470 /** 471 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 472 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 473 * if the parser encountered a bad shared user id name in the manifest. 474 * @hide 475 */ 476 public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107; 477 478 /** 479 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 480 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 481 * if the parser encountered some structural problem in the manifest. 482 * @hide 483 */ 484 public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108; 485 486 /** 487 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 488 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 489 * if the parser did not find any actionable tags (instrumentation or application) 490 * in the manifest. 491 * @hide 492 */ 493 public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109; 494 495 /** 496 * Indicates the state of installation. Used by PackageManager to 497 * figure out incomplete installations. Say a package is being installed 498 * (the state is set to PKG_INSTALL_INCOMPLETE) and remains so till 499 * the package installation is successful or unsuccesful lin which case 500 * the PackageManager will no longer maintain state information associated 501 * with the package. If some exception(like device freeze or battery being 502 * pulled out) occurs during installation of a package, the PackageManager 503 * needs this information to clean up the previously failed installation. 504 */ 505 public static final int PKG_INSTALL_INCOMPLETE = 0; 506 public static final int PKG_INSTALL_COMPLETE = 1; 507 508 /** 509 * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the 510 * package's data directory. 511 * 512 * @hide 513 */ 514 public static final int DONT_DELETE_DATA = 0x00000001; 515 516 /** 517 * Retrieve overall information about an application package that is 518 * installed on the system. 519 * 520 * <p>Throws {@link NameNotFoundException} if a package with the given 521 * name can not be found on the system. 522 * 523 * @param packageName The full name (i.e. com.google.apps.contacts) of the 524 * desired package. 525 526 * @param flags Additional option flags. Use any combination of 527 * {@link #GET_ACTIVITIES}, 528 * {@link #GET_GIDS}, 529 * {@link #GET_CONFIGURATIONS}, 530 * {@link #GET_INSTRUMENTATION}, 531 * {@link #GET_PERMISSIONS}, 532 * {@link #GET_PROVIDERS}, 533 * {@link #GET_RECEIVERS}, 534 * {@link #GET_SERVICES}, 535 * {@link #GET_SIGNATURES}, 536 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 537 * 538 * @return Returns a PackageInfo object containing information about the package. 539 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 540 * found in the list of installed applications, the package information is 541 * retrieved from the list of uninstalled applications(which includes 542 * installed applications as well as applications 543 * with data directory ie applications which had been 544 * deleted with DONT_DELTE_DATA flag set). 545 * 546 * @see #GET_ACTIVITIES 547 * @see #GET_GIDS 548 * @see #GET_CONFIGURATIONS 549 * @see #GET_INSTRUMENTATION 550 * @see #GET_PERMISSIONS 551 * @see #GET_PROVIDERS 552 * @see #GET_RECEIVERS 553 * @see #GET_SERVICES 554 * @see #GET_SIGNATURES 555 * @see #GET_UNINSTALLED_PACKAGES 556 * 557 */ 558 public abstract PackageInfo getPackageInfo(String packageName, int flags) 559 throws NameNotFoundException; 560 561 /** 562 * Return a "good" intent to launch a front-door activity in a package, 563 * for use for example to implement an "open" button when browsing through 564 * packages. The current implementation will look first for a main 565 * activity in the category {@link Intent#CATEGORY_INFO}, next for a 566 * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return 567 * null if neither are found. 568 * 569 * <p>Throws {@link NameNotFoundException} if a package with the given 570 * name can not be found on the system. 571 * 572 * @param packageName The name of the package to inspect. 573 * 574 * @return Returns either a fully-qualified Intent that can be used to 575 * launch the main activity in the package, or null if the package does 576 * not contain such an activity. 577 */ 578 public abstract Intent getLaunchIntentForPackage(String packageName); 579 580 /** 581 * Return an array of all of the secondary group-ids that have been 582 * assigned to a package. 583 * 584 * <p>Throws {@link NameNotFoundException} if a package with the given 585 * name can not be found on the system. 586 * 587 * @param packageName The full name (i.e. com.google.apps.contacts) of the 588 * desired package. 589 * 590 * @return Returns an int array of the assigned gids, or null if there 591 * are none. 592 */ 593 public abstract int[] getPackageGids(String packageName) 594 throws NameNotFoundException; 595 596 /** 597 * Retrieve all of the information we know about a particular permission. 598 * 599 * <p>Throws {@link NameNotFoundException} if a permission with the given 600 * name can not be found on the system. 601 * 602 * @param name The fully qualified name (i.e. com.google.permission.LOGIN) 603 * of the permission you are interested in. 604 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 605 * retrieve any meta-data associated with the permission. 606 * 607 * @return Returns a {@link PermissionInfo} containing information about the 608 * permission. 609 */ 610 public abstract PermissionInfo getPermissionInfo(String name, int flags) 611 throws NameNotFoundException; 612 613 /** 614 * Query for all of the permissions associated with a particular group. 615 * 616 * <p>Throws {@link NameNotFoundException} if the given group does not 617 * exist. 618 * 619 * @param group The fully qualified name (i.e. com.google.permission.LOGIN) 620 * of the permission group you are interested in. Use null to 621 * find all of the permissions not associated with a group. 622 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 623 * retrieve any meta-data associated with the permissions. 624 * 625 * @return Returns a list of {@link PermissionInfo} containing information 626 * about all of the permissions in the given group. 627 */ 628 public abstract List<PermissionInfo> queryPermissionsByGroup(String group, 629 int flags) throws NameNotFoundException; 630 631 /** 632 * Retrieve all of the information we know about a particular group of 633 * permissions. 634 * 635 * <p>Throws {@link NameNotFoundException} if a permission group with the given 636 * name can not be found on the system. 637 * 638 * @param name The fully qualified name (i.e. com.google.permission_group.APPS) 639 * of the permission you are interested in. 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 {@link PermissionGroupInfo} containing information 644 * about the permission. 645 */ 646 public abstract PermissionGroupInfo getPermissionGroupInfo(String name, 647 int flags) throws NameNotFoundException; 648 649 /** 650 * Retrieve all of the known permission groups in the system. 651 * 652 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 653 * retrieve any meta-data associated with the permission group. 654 * 655 * @return Returns a list of {@link PermissionGroupInfo} containing 656 * information about all of the known permission groups. 657 */ 658 public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags); 659 660 /** 661 * Retrieve all of the information we know about a particular 662 * package/application. 663 * 664 * <p>Throws {@link NameNotFoundException} if an application with the given 665 * package name can not be found on the system. 666 * 667 * @param packageName The full name (i.e. com.google.apps.contacts) of an 668 * application. 669 * @param flags Additional option flags. Use any combination of 670 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 671 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 672 * 673 * @return {@link ApplicationInfo} Returns ApplicationInfo object containing 674 * information about the package. 675 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 676 * found in the list of installed applications, 677 * the application information is retrieved from the 678 * list of uninstalled applications(which includes 679 * installed applications as well as applications 680 * with data directory ie applications which had been 681 * deleted with DONT_DELTE_DATA flag set). 682 * 683 * @see #GET_META_DATA 684 * @see #GET_SHARED_LIBRARY_FILES 685 * @see #GET_UNINSTALLED_PACKAGES 686 */ 687 public abstract ApplicationInfo getApplicationInfo(String packageName, 688 int flags) throws NameNotFoundException; 689 690 /** 691 * Retrieve all of the information we know about a particular activity 692 * class. 693 * 694 * <p>Throws {@link NameNotFoundException} if an activity with the given 695 * class name can not be found on the system. 696 * 697 * @param className The full name (i.e. 698 * com.google.apps.contacts.ContactsList) of an Activity 699 * class. 700 * @param flags Additional option flags. Use any combination of 701 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 702 * to modify the data (in ApplicationInfo) returned. 703 * 704 * @return {@link ActivityInfo} containing information about the activity. 705 * 706 * @see #GET_INTENT_FILTERS 707 * @see #GET_META_DATA 708 * @see #GET_SHARED_LIBRARY_FILES 709 */ 710 public abstract ActivityInfo getActivityInfo(ComponentName className, 711 int flags) throws NameNotFoundException; 712 713 /** 714 * Retrieve all of the information we know about a particular receiver 715 * class. 716 * 717 * <p>Throws {@link NameNotFoundException} if a receiver with the given 718 * class name can not be found on the system. 719 * 720 * @param className The full name (i.e. 721 * com.google.apps.contacts.CalendarAlarm) of a Receiver 722 * class. 723 * @param flags Additional option flags. Use any combination of 724 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 725 * to modify the data returned. 726 * 727 * @return {@link ActivityInfo} containing information about the receiver. 728 * 729 * @see #GET_INTENT_FILTERS 730 * @see #GET_META_DATA 731 * @see #GET_SHARED_LIBRARY_FILES 732 */ 733 public abstract ActivityInfo getReceiverInfo(ComponentName className, 734 int flags) throws NameNotFoundException; 735 736 /** 737 * Retrieve all of the information we know about a particular service 738 * class. 739 * 740 * <p>Throws {@link NameNotFoundException} if a service with the given 741 * class name can not be found on the system. 742 * 743 * @param className The full name (i.e. 744 * com.google.apps.media.BackgroundPlayback) of a Service 745 * class. 746 * @param flags Additional option flags. Use any combination of 747 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 748 * to modify the data returned. 749 * 750 * @return ServiceInfo containing information about the service. 751 * 752 * @see #GET_META_DATA 753 * @see #GET_SHARED_LIBRARY_FILES 754 */ 755 public abstract ServiceInfo getServiceInfo(ComponentName className, 756 int flags) throws NameNotFoundException; 757 758 /** 759 * Return a List of all packages that are installed 760 * on the device. 761 * 762 * @param flags Additional option flags. Use any combination of 763 * {@link #GET_ACTIVITIES}, 764 * {@link #GET_GIDS}, 765 * {@link #GET_CONFIGURATIONS}, 766 * {@link #GET_INSTRUMENTATION}, 767 * {@link #GET_PERMISSIONS}, 768 * {@link #GET_PROVIDERS}, 769 * {@link #GET_RECEIVERS}, 770 * {@link #GET_SERVICES}, 771 * {@link #GET_SIGNATURES}, 772 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 773 * 774 * @return A List of PackageInfo objects, one for each package that is 775 * installed on the device. In the unlikely case of there being no 776 * installed packages, an empty list is returned. 777 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 778 * applications including those deleted with DONT_DELETE_DATA 779 * (partially installed apps with data directory) will be returned. 780 * 781 * @see #GET_ACTIVITIES 782 * @see #GET_GIDS 783 * @see #GET_CONFIGURATIONS 784 * @see #GET_INSTRUMENTATION 785 * @see #GET_PERMISSIONS 786 * @see #GET_PROVIDERS 787 * @see #GET_RECEIVERS 788 * @see #GET_SERVICES 789 * @see #GET_SIGNATURES 790 * @see #GET_UNINSTALLED_PACKAGES 791 * 792 */ 793 public abstract List<PackageInfo> getInstalledPackages(int flags); 794 795 /** 796 * Check whether a particular package has been granted a particular 797 * permission. 798 * 799 * @param permName The name of the permission you are checking for, 800 * @param pkgName The name of the package you are checking against. 801 * 802 * @return If the package has the permission, PERMISSION_GRANTED is 803 * returned. If it does not have the permission, PERMISSION_DENIED 804 * is returned. 805 * 806 * @see #PERMISSION_GRANTED 807 * @see #PERMISSION_DENIED 808 */ 809 public abstract int checkPermission(String permName, String pkgName); 810 811 /** 812 * Add a new dynamic permission to the system. For this to work, your 813 * package must have defined a permission tree through the 814 * {@link android.R.styleable#AndroidManifestPermissionTree 815 * <permission-tree>} tag in its manifest. A package can only add 816 * permissions to trees that were defined by either its own package or 817 * another with the same user id; a permission is in a tree if it 818 * matches the name of the permission tree + ".": for example, 819 * "com.foo.bar" is a member of the permission tree "com.foo". 820 * 821 * <p>It is good to make your permission tree name descriptive, because you 822 * are taking possession of that entire set of permission names. Thus, it 823 * must be under a domain you control, with a suffix that will not match 824 * any normal permissions that may be declared in any applications that 825 * are part of that domain. 826 * 827 * <p>New permissions must be added before 828 * any .apks are installed that use those permissions. Permissions you 829 * add through this method are remembered across reboots of the device. 830 * If the given permission already exists, the info you supply here 831 * will be used to update it. 832 * 833 * @param info Description of the permission to be added. 834 * 835 * @return Returns true if a new permission was created, false if an 836 * existing one was updated. 837 * 838 * @throws SecurityException if you are not allowed to add the 839 * given permission name. 840 * 841 * @see #removePermission(String) 842 */ 843 public abstract boolean addPermission(PermissionInfo info); 844 845 /** 846 * Removes a permission that was previously added with 847 * {@link #addPermission(PermissionInfo)}. The same ownership rules apply 848 * -- you are only allowed to remove permissions that you are allowed 849 * to add. 850 * 851 * @param name The name of the permission to remove. 852 * 853 * @throws SecurityException if you are not allowed to remove the 854 * given permission name. 855 * 856 * @see #addPermission(PermissionInfo) 857 */ 858 public abstract void removePermission(String name); 859 860 /** 861 * Compare the signatures of two packages to determine if the same 862 * signature appears in both of them. If they do contain the same 863 * signature, then they are allowed special privileges when working 864 * with each other: they can share the same user-id, run instrumentation 865 * against each other, etc. 866 * 867 * @param pkg1 First package name whose signature will be compared. 868 * @param pkg2 Second package name whose signature will be compared. 869 * @return Returns an integer indicating whether there is a matching 870 * signature: the value is >= 0 if there is a match (or neither package 871 * is signed), or < 0 if there is not a match. The match result can be 872 * further distinguished with the success (>= 0) constants 873 * {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or 874 * failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED}, 875 * {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH}, 876 * or {@link #SIGNATURE_UNKNOWN_PACKAGE}. 877 * 878 * @see #checkSignatures(int, int) 879 * @see #SIGNATURE_MATCH 880 * @see #SIGNATURE_NEITHER_SIGNED 881 * @see #SIGNATURE_FIRST_NOT_SIGNED 882 * @see #SIGNATURE_SECOND_NOT_SIGNED 883 * @see #SIGNATURE_NO_MATCH 884 * @see #SIGNATURE_UNKNOWN_PACKAGE 885 */ 886 public abstract int checkSignatures(String pkg1, String pkg2); 887 888 /** 889 * Like {@link #checkSignatures(String, String)}, but takes UIDs of 890 * the two packages to be checked. This can be useful, for example, 891 * when doing the check in an IPC, where the UID is the only identity 892 * available. It is functionally identical to determining the package 893 * associated with the UIDs and checking their signatures. 894 * 895 * @param uid1 First UID whose signature will be compared. 896 * @param uid2 Second UID whose signature will be compared. 897 * @return Returns an integer indicating whether there is a matching 898 * signature: the value is >= 0 if there is a match (or neither package 899 * is signed), or < 0 if there is not a match. The match result can be 900 * further distinguished with the success (>= 0) constants 901 * {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or 902 * failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED}, 903 * {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH}, 904 * or {@link #SIGNATURE_UNKNOWN_PACKAGE}. 905 * 906 * @see #checkSignatures(int, int) 907 * @see #SIGNATURE_MATCH 908 * @see #SIGNATURE_NEITHER_SIGNED 909 * @see #SIGNATURE_FIRST_NOT_SIGNED 910 * @see #SIGNATURE_SECOND_NOT_SIGNED 911 * @see #SIGNATURE_NO_MATCH 912 * @see #SIGNATURE_UNKNOWN_PACKAGE 913 */ 914 public abstract int checkSignatures(int uid1, int uid2); 915 916 /** 917 * Retrieve the names of all packages that are associated with a particular 918 * user id. In most cases, this will be a single package name, the package 919 * that has been assigned that user id. Where there are multiple packages 920 * sharing the same user id through the "sharedUserId" mechanism, all 921 * packages with that id will be returned. 922 * 923 * @param uid The user id for which you would like to retrieve the 924 * associated packages. 925 * 926 * @return Returns an array of one or more packages assigned to the user 927 * id, or null if there are no known packages with the given id. 928 */ 929 public abstract String[] getPackagesForUid(int uid); 930 931 /** 932 * Retrieve the official name associated with a user id. This name is 933 * guaranteed to never change, though it is possibly for the underlying 934 * user id to be changed. That is, if you are storing information about 935 * user ids in persistent storage, you should use the string returned 936 * by this function instead of the raw user-id. 937 * 938 * @param uid The user id for which you would like to retrieve a name. 939 * @return Returns a unique name for the given user id, or null if the 940 * user id is not currently assigned. 941 */ 942 public abstract String getNameForUid(int uid); 943 944 /** 945 * Return the user id associated with a shared user name. Multiple 946 * applications can specify a shared user name in their manifest and thus 947 * end up using a common uid. This might be used for new applications 948 * that use an existing shared user name and need to know the uid of the 949 * shared user. 950 * 951 * @param sharedUserName The shared user name whose uid is to be retrieved. 952 * @return Returns the uid associated with the shared user, or NameNotFoundException 953 * if the shared user name is not being used by any installed packages 954 * @hide 955 */ 956 public abstract int getUidForSharedUser(String sharedUserName) 957 throws NameNotFoundException; 958 959 /** 960 * Return a List of all application packages that are installed on the 961 * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all 962 * applications including those deleted with DONT_DELETE_DATA(partially 963 * installed apps with data directory) will be returned. 964 * 965 * @param flags Additional option flags. Use any combination of 966 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 967 * {link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 968 * 969 * @return A List of ApplicationInfo objects, one for each application that 970 * is installed on the device. In the unlikely case of there being 971 * no installed applications, an empty list is returned. 972 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 973 * applications including those deleted with DONT_DELETE_DATA 974 * (partially installed apps with data directory) will be returned. 975 * 976 * @see #GET_META_DATA 977 * @see #GET_SHARED_LIBRARY_FILES 978 * @see #GET_UNINSTALLED_PACKAGES 979 */ 980 public abstract List<ApplicationInfo> getInstalledApplications(int flags); 981 982 /** 983 * Get a list of shared libraries that are available on the 984 * system. 985 * 986 * @return An array of shared library names that are 987 * available on the system, or null if none are installed. 988 * 989 */ 990 public abstract String[] getSystemSharedLibraryNames(); 991 992 /** 993 * Get a list of features that are available on the 994 * system. 995 * 996 * @return An array of FeatureInfo classes describing the features 997 * that are available on the system, or null if there are none(!!). 998 */ 999 public abstract FeatureInfo[] getSystemAvailableFeatures(); 1000 1001 /** 1002 * Check whether the given feature name is one of the available 1003 * features as returned by {@link #getSystemAvailableFeatures()}. 1004 * 1005 * @return Returns true if the devices supports the feature, else 1006 * false. 1007 */ 1008 public abstract boolean hasSystemFeature(String name); 1009 1010 /** 1011 * Determine the best action to perform for a given Intent. This is how 1012 * {@link Intent#resolveActivity} finds an activity if a class has not 1013 * been explicitly specified. 1014 * 1015 * @param intent An intent containing all of the desired specification 1016 * (action, data, type, category, and/or component). 1017 * @param flags Additional option flags. The most important is 1018 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1019 * those activities that support the CATEGORY_DEFAULT. 1020 * 1021 * @return Returns a ResolveInfo containing the final activity intent that 1022 * was determined to be the best action. Returns null if no 1023 * matching activity was found. 1024 * 1025 * @see #MATCH_DEFAULT_ONLY 1026 * @see #GET_INTENT_FILTERS 1027 * @see #GET_RESOLVED_FILTER 1028 */ 1029 public abstract ResolveInfo resolveActivity(Intent intent, int flags); 1030 1031 /** 1032 * Retrieve all activities that can be performed for the given intent. 1033 * 1034 * @param intent The desired intent as per resolveActivity(). 1035 * @param flags Additional option flags. The most important is 1036 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1037 * those activities that support the CATEGORY_DEFAULT. 1038 * 1039 * @return A List<ResolveInfo> containing one entry for each matching 1040 * Activity. These are ordered from best to worst match -- that 1041 * is, the first item in the list is what is returned by 1042 * resolveActivity(). If there are no matching activities, an empty 1043 * list is returned. 1044 * 1045 * @see #MATCH_DEFAULT_ONLY 1046 * @see #GET_INTENT_FILTERS 1047 * @see #GET_RESOLVED_FILTER 1048 */ 1049 public abstract List<ResolveInfo> queryIntentActivities(Intent intent, 1050 int flags); 1051 1052 /** 1053 * Retrieve a set of activities that should be presented to the user as 1054 * similar options. This is like {@link #queryIntentActivities}, except it 1055 * also allows you to supply a list of more explicit Intents that you would 1056 * like to resolve to particular options, and takes care of returning the 1057 * final ResolveInfo list in a reasonable order, with no duplicates, based 1058 * on those inputs. 1059 * 1060 * @param caller The class name of the activity that is making the 1061 * request. This activity will never appear in the output 1062 * list. Can be null. 1063 * @param specifics An array of Intents that should be resolved to the 1064 * first specific results. Can be null. 1065 * @param intent The desired intent as per resolveActivity(). 1066 * @param flags Additional option flags. The most important is 1067 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1068 * those activities that support the CATEGORY_DEFAULT. 1069 * 1070 * @return A List<ResolveInfo> containing one entry for each matching 1071 * Activity. These are ordered first by all of the intents resolved 1072 * in <var>specifics</var> and then any additional activities that 1073 * can handle <var>intent</var> but did not get included by one of 1074 * the <var>specifics</var> intents. If there are no matching 1075 * activities, an empty list is returned. 1076 * 1077 * @see #MATCH_DEFAULT_ONLY 1078 * @see #GET_INTENT_FILTERS 1079 * @see #GET_RESOLVED_FILTER 1080 */ 1081 public abstract List<ResolveInfo> queryIntentActivityOptions( 1082 ComponentName caller, Intent[] specifics, Intent intent, int flags); 1083 1084 /** 1085 * Retrieve all receivers that can handle a broadcast of the given intent. 1086 * 1087 * @param intent The desired intent as per resolveActivity(). 1088 * @param flags Additional option flags. The most important is 1089 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1090 * those activities that support the CATEGORY_DEFAULT. 1091 * 1092 * @return A List<ResolveInfo> containing one entry for each matching 1093 * Receiver. These are ordered from first to last in priority. If 1094 * there are no matching receivers, an empty list is returned. 1095 * 1096 * @see #MATCH_DEFAULT_ONLY 1097 * @see #GET_INTENT_FILTERS 1098 * @see #GET_RESOLVED_FILTER 1099 */ 1100 public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent, 1101 int flags); 1102 1103 /** 1104 * Determine the best service to handle for a given Intent. 1105 * 1106 * @param intent An intent containing all of the desired specification 1107 * (action, data, type, category, and/or component). 1108 * @param flags Additional option flags. 1109 * 1110 * @return Returns a ResolveInfo containing the final service intent that 1111 * was determined to be the best action. Returns null if no 1112 * matching service was found. 1113 * 1114 * @see #GET_INTENT_FILTERS 1115 * @see #GET_RESOLVED_FILTER 1116 */ 1117 public abstract ResolveInfo resolveService(Intent intent, int flags); 1118 1119 /** 1120 * Retrieve all services that can match the given intent. 1121 * 1122 * @param intent The desired intent as per resolveService(). 1123 * @param flags Additional option flags. 1124 * 1125 * @return A List<ResolveInfo> containing one entry for each matching 1126 * ServiceInfo. These are ordered from best to worst match -- that 1127 * is, the first item in the list is what is returned by 1128 * resolveService(). If there are no matching services, an empty 1129 * list is returned. 1130 * 1131 * @see #GET_INTENT_FILTERS 1132 * @see #GET_RESOLVED_FILTER 1133 */ 1134 public abstract List<ResolveInfo> queryIntentServices(Intent intent, 1135 int flags); 1136 1137 /** 1138 * Find a single content provider by its base path name. 1139 * 1140 * @param name The name of the provider to find. 1141 * @param flags Additional option flags. Currently should always be 0. 1142 * 1143 * @return ContentProviderInfo Information about the provider, if found, 1144 * else null. 1145 */ 1146 public abstract ProviderInfo resolveContentProvider(String name, 1147 int flags); 1148 1149 /** 1150 * Retrieve content provider information. 1151 * 1152 * <p><em>Note: unlike most other methods, an empty result set is indicated 1153 * by a null return instead of an empty list.</em> 1154 * 1155 * @param processName If non-null, limits the returned providers to only 1156 * those that are hosted by the given process. If null, 1157 * all content providers are returned. 1158 * @param uid If <var>processName</var> is non-null, this is the required 1159 * uid owning the requested content providers. 1160 * @param flags Additional option flags. Currently should always be 0. 1161 * 1162 * @return A List<ContentProviderInfo> containing one entry for each 1163 * content provider either patching <var>processName</var> or, if 1164 * <var>processName</var> is null, all known content providers. 1165 * <em>If there are no matching providers, null is returned.</em> 1166 */ 1167 public abstract List<ProviderInfo> queryContentProviders( 1168 String processName, int uid, int flags); 1169 1170 /** 1171 * Retrieve all of the information we know about a particular 1172 * instrumentation class. 1173 * 1174 * <p>Throws {@link NameNotFoundException} if instrumentation with the 1175 * given class name can not be found on the system. 1176 * 1177 * @param className The full name (i.e. 1178 * com.google.apps.contacts.InstrumentList) of an 1179 * Instrumentation class. 1180 * @param flags Additional option flags. Currently should always be 0. 1181 * 1182 * @return InstrumentationInfo containing information about the 1183 * instrumentation. 1184 */ 1185 public abstract InstrumentationInfo getInstrumentationInfo( 1186 ComponentName className, int flags) throws NameNotFoundException; 1187 1188 /** 1189 * Retrieve information about available instrumentation code. May be used 1190 * to retrieve either all instrumentation code, or only the code targeting 1191 * a particular package. 1192 * 1193 * @param targetPackage If null, all instrumentation is returned; only the 1194 * instrumentation targeting this package name is 1195 * returned. 1196 * @param flags Additional option flags. Currently should always be 0. 1197 * 1198 * @return A List<InstrumentationInfo> containing one entry for each 1199 * matching available Instrumentation. Returns an empty list if 1200 * there is no instrumentation available for the given package. 1201 */ 1202 public abstract List<InstrumentationInfo> queryInstrumentation( 1203 String targetPackage, int flags); 1204 1205 /** 1206 * Retrieve an image from a package. This is a low-level API used by 1207 * the various package manager info structures (such as 1208 * {@link ComponentInfo} to implement retrieval of their associated 1209 * icon. 1210 * 1211 * @param packageName The name of the package that this icon is coming from. 1212 * Can not be null. 1213 * @param resid The resource identifier of the desired image. Can not be 0. 1214 * @param appInfo Overall information about <var>packageName</var>. This 1215 * may be null, in which case the application information will be retrieved 1216 * for you if needed; if you already have this information around, it can 1217 * be much more efficient to supply it here. 1218 * 1219 * @return Returns a Drawable holding the requested image. Returns null if 1220 * an image could not be found for any reason. 1221 */ 1222 public abstract Drawable getDrawable(String packageName, int resid, 1223 ApplicationInfo appInfo); 1224 1225 /** 1226 * Retrieve the icon associated with an activity. Given the full name of 1227 * an activity, retrieves the information about it and calls 1228 * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon. 1229 * If the activity can not be found, NameNotFoundException is thrown. 1230 * 1231 * @param activityName Name of the activity whose icon is to be retrieved. 1232 * 1233 * @return Returns the image of the icon, or the default activity icon if 1234 * it could not be found. Does not return null. 1235 * @throws NameNotFoundException Thrown if the resources for the given 1236 * activity could not be loaded. 1237 * 1238 * @see #getActivityIcon(Intent) 1239 */ 1240 public abstract Drawable getActivityIcon(ComponentName activityName) 1241 throws NameNotFoundException; 1242 1243 /** 1244 * Retrieve the icon associated with an Intent. If intent.getClassName() is 1245 * set, this simply returns the result of 1246 * getActivityIcon(intent.getClassName()). Otherwise it resolves the intent's 1247 * component and returns the icon associated with the resolved component. 1248 * If intent.getClassName() can not be found or the Intent can not be resolved 1249 * to a component, NameNotFoundException is thrown. 1250 * 1251 * @param intent The intent for which you would like to retrieve an icon. 1252 * 1253 * @return Returns the image of the icon, or the default activity icon if 1254 * it could not be found. Does not return null. 1255 * @throws NameNotFoundException Thrown if the resources for application 1256 * matching the given intent could not be loaded. 1257 * 1258 * @see #getActivityIcon(ComponentName) 1259 */ 1260 public abstract Drawable getActivityIcon(Intent intent) 1261 throws NameNotFoundException; 1262 1263 /** 1264 * Return the generic icon for an activity that is used when no specific 1265 * icon is defined. 1266 * 1267 * @return Drawable Image of the icon. 1268 */ 1269 public abstract Drawable getDefaultActivityIcon(); 1270 1271 /** 1272 * Retrieve the icon associated with an application. If it has not defined 1273 * an icon, the default app icon is returned. Does not return null. 1274 * 1275 * @param info Information about application being queried. 1276 * 1277 * @return Returns the image of the icon, or the default application icon 1278 * if it could not be found. 1279 * 1280 * @see #getApplicationIcon(String) 1281 */ 1282 public abstract Drawable getApplicationIcon(ApplicationInfo info); 1283 1284 /** 1285 * Retrieve the icon associated with an application. Given the name of the 1286 * application's package, retrieves the information about it and calls 1287 * getApplicationIcon() to return its icon. If the application can not be 1288 * found, NameNotFoundException is thrown. 1289 * 1290 * @param packageName Name of the package whose application icon is to be 1291 * retrieved. 1292 * 1293 * @return Returns the image of the icon, or the default application icon 1294 * if it could not be found. Does not return null. 1295 * @throws NameNotFoundException Thrown if the resources for the given 1296 * application could not be loaded. 1297 * 1298 * @see #getApplicationIcon(ApplicationInfo) 1299 */ 1300 public abstract Drawable getApplicationIcon(String packageName) 1301 throws NameNotFoundException; 1302 1303 /** 1304 * Retrieve text from a package. This is a low-level API used by 1305 * the various package manager info structures (such as 1306 * {@link ComponentInfo} to implement retrieval of their associated 1307 * labels and other text. 1308 * 1309 * @param packageName The name of the package that this text is coming from. 1310 * Can not be null. 1311 * @param resid The resource identifier of the desired text. Can not be 0. 1312 * @param appInfo Overall information about <var>packageName</var>. This 1313 * may be null, in which case the application information will be retrieved 1314 * for you if needed; if you already have this information around, it can 1315 * be much more efficient to supply it here. 1316 * 1317 * @return Returns a CharSequence holding the requested text. Returns null 1318 * if the text could not be found for any reason. 1319 */ 1320 public abstract CharSequence getText(String packageName, int resid, 1321 ApplicationInfo appInfo); 1322 1323 /** 1324 * Retrieve an XML file from a package. This is a low-level API used to 1325 * retrieve XML meta data. 1326 * 1327 * @param packageName The name of the package that this xml is coming from. 1328 * Can not be null. 1329 * @param resid The resource identifier of the desired xml. Can not be 0. 1330 * @param appInfo Overall information about <var>packageName</var>. This 1331 * may be null, in which case the application information will be retrieved 1332 * for you if needed; if you already have this information around, it can 1333 * be much more efficient to supply it here. 1334 * 1335 * @return Returns an XmlPullParser allowing you to parse out the XML 1336 * data. Returns null if the xml resource could not be found for any 1337 * reason. 1338 */ 1339 public abstract XmlResourceParser getXml(String packageName, int resid, 1340 ApplicationInfo appInfo); 1341 1342 /** 1343 * Return the label to use for this application. 1344 * 1345 * @return Returns the label associated with this application, or null if 1346 * it could not be found for any reason. 1347 * @param info The application to get the label of 1348 */ 1349 public abstract CharSequence getApplicationLabel(ApplicationInfo info); 1350 1351 /** 1352 * Retrieve the resources associated with an activity. Given the full 1353 * name of an activity, retrieves the information about it and calls 1354 * getResources() to return its application's resources. If the activity 1355 * can not be found, NameNotFoundException is thrown. 1356 * 1357 * @param activityName Name of the activity whose resources are to be 1358 * retrieved. 1359 * 1360 * @return Returns the application's Resources. 1361 * @throws NameNotFoundException Thrown if the resources for the given 1362 * application could not be loaded. 1363 * 1364 * @see #getResourcesForApplication(ApplicationInfo) 1365 */ 1366 public abstract Resources getResourcesForActivity(ComponentName activityName) 1367 throws NameNotFoundException; 1368 1369 /** 1370 * Retrieve the resources for an application. Throws NameNotFoundException 1371 * if the package is no longer installed. 1372 * 1373 * @param app Information about the desired application. 1374 * 1375 * @return Returns the application's Resources. 1376 * @throws NameNotFoundException Thrown if the resources for the given 1377 * application could not be loaded (most likely because it was uninstalled). 1378 */ 1379 public abstract Resources getResourcesForApplication(ApplicationInfo app) 1380 throws NameNotFoundException; 1381 1382 /** 1383 * Retrieve the resources associated with an application. Given the full 1384 * package name of an application, retrieves the information about it and 1385 * calls getResources() to return its application's resources. If the 1386 * appPackageName can not be found, NameNotFoundException is thrown. 1387 * 1388 * @param appPackageName Package name of the application whose resources 1389 * are to be retrieved. 1390 * 1391 * @return Returns the application's Resources. 1392 * @throws NameNotFoundException Thrown if the resources for the given 1393 * application could not be loaded. 1394 * 1395 * @see #getResourcesForApplication(ApplicationInfo) 1396 */ 1397 public abstract Resources getResourcesForApplication(String appPackageName) 1398 throws NameNotFoundException; 1399 1400 /** 1401 * Retrieve overall information about an application package defined 1402 * in a package archive file 1403 * 1404 * @param archiveFilePath The path to the archive file 1405 * @param flags Additional option flags. Use any combination of 1406 * {@link #GET_ACTIVITIES}, 1407 * {@link #GET_GIDS}, 1408 * {@link #GET_CONFIGURATIONS}, 1409 * {@link #GET_INSTRUMENTATION}, 1410 * {@link #GET_PERMISSIONS}, 1411 * {@link #GET_PROVIDERS}, 1412 * {@link #GET_RECEIVERS}, 1413 * {@link #GET_SERVICES}, 1414 * {@link #GET_SIGNATURES}, to modify the data returned. 1415 * 1416 * @return Returns the information about the package. Returns 1417 * null if the package could not be successfully parsed. 1418 * 1419 * @see #GET_ACTIVITIES 1420 * @see #GET_GIDS 1421 * @see #GET_CONFIGURATIONS 1422 * @see #GET_INSTRUMENTATION 1423 * @see #GET_PERMISSIONS 1424 * @see #GET_PROVIDERS 1425 * @see #GET_RECEIVERS 1426 * @see #GET_SERVICES 1427 * @see #GET_SIGNATURES 1428 * 1429 */ 1430 public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) { 1431 PackageParser packageParser = new PackageParser(archiveFilePath); 1432 DisplayMetrics metrics = new DisplayMetrics(); 1433 metrics.setToDefaults(); 1434 final File sourceFile = new File(archiveFilePath); 1435 PackageParser.Package pkg = packageParser.parsePackage( 1436 sourceFile, archiveFilePath, metrics, 0); 1437 if (pkg == null) { 1438 return null; 1439 } 1440 return PackageParser.generatePackageInfo(pkg, null, flags); 1441 } 1442 1443 /** 1444 * @hide 1445 * 1446 * Install a package. Since this may take a little while, the result will 1447 * be posted back to the given observer. An installation will fail if the calling context 1448 * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the 1449 * package named in the package file's manifest is already installed, or if there's no space 1450 * available on the device. 1451 * 1452 * @param packageURI The location of the package file to install. This can be a 'file:' or a 1453 * 'content:' URI. 1454 * @param observer An observer callback to get notified when the package installation is 1455 * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be 1456 * called when that happens. observer may be null to indicate that no callback is desired. 1457 * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK}, 1458 * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}. 1459 * @param installerPackageName Optional package name of the application that is performing the 1460 * installation. This identifies which market the package came from. 1461 */ 1462 public abstract void installPackage( 1463 Uri packageURI, IPackageInstallObserver observer, int flags, 1464 String installerPackageName); 1465 1466 /** 1467 * Attempts to delete a package. Since this may take a little while, the result will 1468 * be posted back to the given observer. A deletion will fail if the calling context 1469 * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the 1470 * named package cannot be found, or if the named package is a "system package". 1471 * (TODO: include pointer to documentation on "system packages") 1472 * 1473 * @param packageName The name of the package to delete 1474 * @param observer An observer callback to get notified when the package deletion is 1475 * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be 1476 * called when that happens. observer may be null to indicate that no callback is desired. 1477 * @param flags - possible values: {@link #DONT_DELETE_DATA} 1478 * 1479 * @hide 1480 */ 1481 public abstract void deletePackage( 1482 String packageName, IPackageDeleteObserver observer, int flags); 1483 1484 /** 1485 * Retrieve the package name of the application that installed a package. This identifies 1486 * which market the package came from. 1487 * 1488 * @param packageName The name of the package to query 1489 */ 1490 public abstract String getInstallerPackageName(String packageName); 1491 1492 /** 1493 * Attempts to clear the user data directory of an application. 1494 * Since this may take a little while, the result will 1495 * be posted back to the given observer. A deletion will fail if the 1496 * named package cannot be found, or if the named package is a "system package". 1497 * 1498 * @param packageName The name of the package 1499 * @param observer An observer callback to get notified when the operation is finished 1500 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1501 * will be called when that happens. observer may be null to indicate that 1502 * no callback is desired. 1503 * 1504 * @hide 1505 */ 1506 public abstract void clearApplicationUserData(String packageName, 1507 IPackageDataObserver observer); 1508 /** 1509 * Attempts to delete the cache files associated with an application. 1510 * Since this may take a little while, the result will 1511 * be posted back to the given observer. A deletion will fail if the calling context 1512 * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the 1513 * named package cannot be found, or if the named package is a "system package". 1514 * 1515 * @param packageName The name of the package to delete 1516 * @param observer An observer callback to get notified when the cache file deletion 1517 * is complete. 1518 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1519 * will be called when that happens. observer may be null to indicate that 1520 * no callback is desired. 1521 * 1522 * @hide 1523 */ 1524 public abstract void deleteApplicationCacheFiles(String packageName, 1525 IPackageDataObserver observer); 1526 1527 /** 1528 * Free storage by deleting LRU sorted list of cache files across 1529 * all applications. If the currently available free storage 1530 * on the device is greater than or equal to the requested 1531 * free storage, no cache files are cleared. If the currently 1532 * available storage on the device is less than the requested 1533 * free storage, some or all of the cache files across 1534 * all applications are deleted (based on last accessed time) 1535 * to increase the free storage space on the device to 1536 * the requested value. There is no guarantee that clearing all 1537 * the cache files from all applications will clear up 1538 * enough storage to achieve the desired value. 1539 * @param freeStorageSize The number of bytes of storage to be 1540 * freed by the system. Say if freeStorageSize is XX, 1541 * and the current free storage is YY, 1542 * if XX is less than YY, just return. if not free XX-YY number 1543 * of bytes if possible. 1544 * @param observer call back used to notify when 1545 * the operation is completed 1546 * 1547 * @hide 1548 */ 1549 public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer); 1550 1551 /** 1552 * Free storage by deleting LRU sorted list of cache files across 1553 * all applications. If the currently available free storage 1554 * on the device is greater than or equal to the requested 1555 * free storage, no cache files are cleared. If the currently 1556 * available storage on the device is less than the requested 1557 * free storage, some or all of the cache files across 1558 * all applications are deleted (based on last accessed time) 1559 * to increase the free storage space on the device to 1560 * the requested value. There is no guarantee that clearing all 1561 * the cache files from all applications will clear up 1562 * enough storage to achieve the desired value. 1563 * @param freeStorageSize The number of bytes of storage to be 1564 * freed by the system. Say if freeStorageSize is XX, 1565 * and the current free storage is YY, 1566 * if XX is less than YY, just return. if not free XX-YY number 1567 * of bytes if possible. 1568 * @param pi IntentSender call back used to 1569 * notify when the operation is completed.May be null 1570 * to indicate that no call back is desired. 1571 * 1572 * @hide 1573 */ 1574 public abstract void freeStorage(long freeStorageSize, IntentSender pi); 1575 1576 /** 1577 * Retrieve the size information for a package. 1578 * Since this may take a little while, the result will 1579 * be posted back to the given observer. The calling context 1580 * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission. 1581 * 1582 * @param packageName The name of the package whose size information is to be retrieved 1583 * @param observer An observer callback to get notified when the operation 1584 * is complete. 1585 * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)} 1586 * The observer's callback is invoked with a PackageStats object(containing the 1587 * code, data and cache sizes of the package) and a boolean value representing 1588 * the status of the operation. observer may be null to indicate that 1589 * no callback is desired. 1590 * 1591 * @hide 1592 */ 1593 public abstract void getPackageSizeInfo(String packageName, 1594 IPackageStatsObserver observer); 1595 1596 /** 1597 * Add a new package to the list of preferred packages. This new package 1598 * will be added to the front of the list (removed from its current location 1599 * if already listed), meaning it will now be preferred over all other 1600 * packages when resolving conflicts. 1601 * 1602 * @param packageName The package name of the new package to make preferred. 1603 */ 1604 public abstract void addPackageToPreferred(String packageName); 1605 1606 /** 1607 * Remove a package from the list of preferred packages. If it was on 1608 * the list, it will no longer be preferred over other packages. 1609 * 1610 * @param packageName The package name to remove. 1611 */ 1612 public abstract void removePackageFromPreferred(String packageName); 1613 1614 /** 1615 * Retrieve the list of all currently configured preferred packages. The 1616 * first package on the list is the most preferred, the last is the 1617 * least preferred. 1618 * 1619 * @param flags Additional option flags. Use any combination of 1620 * {@link #GET_ACTIVITIES}, 1621 * {@link #GET_GIDS}, 1622 * {@link #GET_CONFIGURATIONS}, 1623 * {@link #GET_INSTRUMENTATION}, 1624 * {@link #GET_PERMISSIONS}, 1625 * {@link #GET_PROVIDERS}, 1626 * {@link #GET_RECEIVERS}, 1627 * {@link #GET_SERVICES}, 1628 * {@link #GET_SIGNATURES}, to modify the data returned. 1629 * 1630 * @return Returns a list of PackageInfo objects describing each 1631 * preferred application, in order of preference. 1632 * 1633 * @see #GET_ACTIVITIES 1634 * @see #GET_GIDS 1635 * @see #GET_CONFIGURATIONS 1636 * @see #GET_INSTRUMENTATION 1637 * @see #GET_PERMISSIONS 1638 * @see #GET_PROVIDERS 1639 * @see #GET_RECEIVERS 1640 * @see #GET_SERVICES 1641 * @see #GET_SIGNATURES 1642 */ 1643 public abstract List<PackageInfo> getPreferredPackages(int flags); 1644 1645 /** 1646 * Add a new preferred activity mapping to the system. This will be used 1647 * to automatically select the given activity component when 1648 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1649 * multiple matching activities and also matches the given filter. 1650 * 1651 * @param filter The set of intents under which this activity will be 1652 * made preferred. 1653 * @param match The IntentFilter match category that this preference 1654 * applies to. 1655 * @param set The set of activities that the user was picking from when 1656 * this preference was made. 1657 * @param activity The component name of the activity that is to be 1658 * preferred. 1659 */ 1660 public abstract void addPreferredActivity(IntentFilter filter, int match, 1661 ComponentName[] set, ComponentName activity); 1662 1663 /** 1664 * Replaces an existing preferred activity mapping to the system, and if that were not present 1665 * adds a new preferred activity. This will be used 1666 * to automatically select the given activity component when 1667 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1668 * multiple matching activities and also matches the given filter. 1669 * 1670 * @param filter The set of intents under which this activity will be 1671 * made preferred. 1672 * @param match The IntentFilter match category that this preference 1673 * applies to. 1674 * @param set The set of activities that the user was picking from when 1675 * this preference was made. 1676 * @param activity The component name of the activity that is to be 1677 * preferred. 1678 * @hide 1679 */ 1680 public abstract void replacePreferredActivity(IntentFilter filter, int match, 1681 ComponentName[] set, ComponentName activity); 1682 1683 /** 1684 * Remove all preferred activity mappings, previously added with 1685 * {@link #addPreferredActivity}, from the 1686 * system whose activities are implemented in the given package name. 1687 * 1688 * @param packageName The name of the package whose preferred activity 1689 * mappings are to be removed. 1690 */ 1691 public abstract void clearPackagePreferredActivities(String packageName); 1692 1693 /** 1694 * Retrieve all preferred activities, previously added with 1695 * {@link #addPreferredActivity}, that are 1696 * currently registered with the system. 1697 * 1698 * @param outFilters A list in which to place the filters of all of the 1699 * preferred activities, or null for none. 1700 * @param outActivities A list in which to place the component names of 1701 * all of the preferred activities, or null for none. 1702 * @param packageName An option package in which you would like to limit 1703 * the list. If null, all activities will be returned; if non-null, only 1704 * those activities in the given package are returned. 1705 * 1706 * @return Returns the total number of registered preferred activities 1707 * (the number of distinct IntentFilter records, not the number of unique 1708 * activity components) that were found. 1709 */ 1710 public abstract int getPreferredActivities(List<IntentFilter> outFilters, 1711 List<ComponentName> outActivities, String packageName); 1712 1713 /** 1714 * Set the enabled setting for a package component (activity, receiver, service, provider). 1715 * This setting will override any enabled state which may have been set by the component in its 1716 * manifest. 1717 * 1718 * @param componentName The component to enable 1719 * @param newState The new enabled state for the component. The legal values for this state 1720 * are: 1721 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1722 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1723 * and 1724 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1725 * The last one removes the setting, thereby restoring the component's state to 1726 * whatever was set in it's manifest (or enabled, by default). 1727 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1728 */ 1729 public abstract void setComponentEnabledSetting(ComponentName componentName, 1730 int newState, int flags); 1731 1732 1733 /** 1734 * Return the the enabled setting for a package component (activity, 1735 * receiver, service, provider). This returns the last value set by 1736 * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most 1737 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1738 * the value originally specified in the manifest has not been modified. 1739 * 1740 * @param componentName The component to retrieve. 1741 * @return Returns the current enabled state for the component. May 1742 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1743 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1744 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1745 * component's enabled state is based on the original information in 1746 * the manifest as found in {@link ComponentInfo}. 1747 */ 1748 public abstract int getComponentEnabledSetting(ComponentName componentName); 1749 1750 /** 1751 * Set the enabled setting for an application 1752 * This setting will override any enabled state which may have been set by the application in 1753 * its manifest. It also overrides the enabled state set in the manifest for any of the 1754 * application's components. It does not override any enabled state set by 1755 * {@link #setComponentEnabledSetting} for any of the application's components. 1756 * 1757 * @param packageName The package name of the application to enable 1758 * @param newState The new enabled state for the component. The legal values for this state 1759 * are: 1760 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1761 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1762 * and 1763 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1764 * The last one removes the setting, thereby restoring the applications's state to 1765 * whatever was set in its manifest (or enabled, by default). 1766 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1767 */ 1768 public abstract void setApplicationEnabledSetting(String packageName, 1769 int newState, int flags); 1770 1771 /** 1772 * Return the the enabled setting for an application. This returns 1773 * the last value set by 1774 * {@link #setApplicationEnabledSetting(String, int, int)}; in most 1775 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1776 * the value originally specified in the manifest has not been modified. 1777 * 1778 * @param packageName The component to retrieve. 1779 * @return Returns the current enabled state for the component. May 1780 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1781 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1782 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1783 * application's enabled state is based on the original information in 1784 * the manifest as found in {@link ComponentInfo}. 1785 */ 1786 public abstract int getApplicationEnabledSetting(String packageName); 1787 1788 /** 1789 * Return whether the device has been booted into safe mode. 1790 */ 1791 public abstract boolean isSafeMode(); 1792} 1793