PackageManager.java revision 65e13171e12cb9e9fc2f608d0c8a92cd3c098648
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 */ 239 public static final int FORWARD_LOCK_PACKAGE = 0x00000001; 240 241 /** 242 * Flag parameter for {@link #installPackage} to indicate that you want to replace an already 243 * installed package, if one exists 244 */ 245 public static final int REPLACE_EXISTING_PACKAGE = 0x00000002; 246 247 /** 248 * Flag parameter for 249 * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate 250 * that you don't want to kill the app containing the component. Be careful when you set this 251 * since changing component states can make the containing application's behavior unpredictable. 252 */ 253 public static final int DONT_KILL_APP = 0x00000001; 254 255 /** 256 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 257 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success. 258 */ 259 public static final int INSTALL_SUCCEEDED = 1; 260 261 /** 262 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 263 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is 264 * already installed. 265 */ 266 public static final int INSTALL_FAILED_ALREADY_EXISTS = -1; 267 268 /** 269 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 270 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive 271 * file is invalid. 272 */ 273 public static final int INSTALL_FAILED_INVALID_APK = -2; 274 275 /** 276 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 277 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in 278 * is invalid. 279 */ 280 public static final int INSTALL_FAILED_INVALID_URI = -3; 281 282 /** 283 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 284 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager 285 * service found that the device didn't have enough storage space to install the app 286 */ 287 public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4; 288 289 /** 290 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 291 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a 292 * package is already installed with the same name. 293 */ 294 public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5; 295 296 /** 297 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 298 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 299 * the requested shared user does not exist. 300 */ 301 public static final int INSTALL_FAILED_NO_SHARED_USER = -6; 302 303 /** 304 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 305 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 306 * a previously installed package of the same name has a different signature 307 * than the new package (and the old package's data was not removed). 308 */ 309 public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7; 310 311 /** 312 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 313 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 314 * the new package is requested a shared user which is already installed on the 315 * device and does not have matching signature. 316 */ 317 public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8; 318 319 /** 320 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 321 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 322 * the new package uses a shared library that is not available. 323 */ 324 public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9; 325 326 /** 327 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 328 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 329 * the new package uses a shared library that is not available. 330 */ 331 public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10; 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 failed while optimizing and validating its dex files, 337 * either because there was not enough storage or the validation failed. 338 */ 339 public static final int INSTALL_FAILED_DEXOPT = -11; 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 failed because the current SDK version is older than 345 * that required by the package. 346 */ 347 public static final int INSTALL_FAILED_OLDER_SDK = -12; 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 because it contains a content provider with the 353 * same authority as a provider already installed in the system. 354 */ 355 public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13; 356 357 /** 358 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 359 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 360 * the new package failed because the current SDK version is newer than 361 * that required by the package. 362 */ 363 public static final int INSTALL_FAILED_NEWER_SDK = -14; 364 365 /** 366 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 367 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 368 * if the parser was given a path that is not a file, or does not end with the expected 369 * '.apk' extension. 370 */ 371 public static final int INSTALL_PARSE_FAILED_NOT_APK = -100; 372 373 /** 374 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 375 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 376 * if the parser was unable to retrieve the AndroidManifest.xml file. 377 */ 378 public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101; 379 380 /** 381 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 382 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 383 * if the parser encountered an unexpected exception. 384 */ 385 public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102; 386 387 /** 388 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 389 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 390 * if the parser did not find any certificates in the .apk. 391 */ 392 public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103; 393 394 /** 395 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 396 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 397 * if the parser found inconsistent certificates on the files in the .apk. 398 */ 399 public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104; 400 401 /** 402 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 403 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 404 * if the parser encountered a CertificateEncodingException in one of the 405 * files in the .apk. 406 */ 407 public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105; 408 409 /** 410 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 411 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 412 * if the parser encountered a bad or missing package name in the manifest. 413 */ 414 public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106; 415 416 /** 417 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 418 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 419 * if the parser encountered a bad shared user id name in the manifest. 420 */ 421 public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107; 422 423 /** 424 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 425 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 426 * if the parser encountered some structural problem in the manifest. 427 */ 428 public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108; 429 430 /** 431 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 432 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 433 * if the parser did not find any actionable tags (instrumentation or application) 434 * in the manifest. 435 */ 436 public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109; 437 438 /** 439 * Indicates the state of installation. Used by PackageManager to 440 * figure out incomplete installations. Say a package is being installed 441 * (the state is set to PKG_INSTALL_INCOMPLETE) and remains so till 442 * the package installation is successful or unsuccesful lin which case 443 * the PackageManager will no longer maintain state information associated 444 * with the package. If some exception(like device freeze or battery being 445 * pulled out) occurs during installation of a package, the PackageManager 446 * needs this information to clean up the previously failed installation. 447 */ 448 public static final int PKG_INSTALL_INCOMPLETE = 0; 449 public static final int PKG_INSTALL_COMPLETE = 1; 450 451 /** 452 * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the 453 * package's data directory. 454 * 455 * @hide 456 */ 457 public static final int DONT_DELETE_DATA = 0x00000001; 458 459 /** 460 * Retrieve overall information about an application package that is 461 * installed on the system. 462 * 463 * <p>Throws {@link NameNotFoundException} if a package with the given 464 * name can not be found on the system. 465 * 466 * @param packageName The full name (i.e. com.google.apps.contacts) of the 467 * desired package. 468 469 * @param flags Additional option flags. Use any combination of 470 * {@link #GET_ACTIVITIES}, 471 * {@link #GET_GIDS}, 472 * {@link #GET_CONFIGURATIONS}, 473 * {@link #GET_INSTRUMENTATION}, 474 * {@link #GET_PERMISSIONS}, 475 * {@link #GET_PROVIDERS}, 476 * {@link #GET_RECEIVERS}, 477 * {@link #GET_SERVICES}, 478 * {@link #GET_SIGNATURES}, 479 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 480 * 481 * @return Returns a PackageInfo object containing information about the package. 482 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 483 * found in the list of installed applications, the package information is 484 * retrieved from the list of uninstalled applications(which includes 485 * installed applications as well as applications 486 * with data directory ie applications which had been 487 * deleted with DONT_DELTE_DATA flag set). 488 * 489 * @see #GET_ACTIVITIES 490 * @see #GET_GIDS 491 * @see #GET_CONFIGURATIONS 492 * @see #GET_INSTRUMENTATION 493 * @see #GET_PERMISSIONS 494 * @see #GET_PROVIDERS 495 * @see #GET_RECEIVERS 496 * @see #GET_SERVICES 497 * @see #GET_SIGNATURES 498 * @see #GET_UNINSTALLED_PACKAGES 499 * 500 */ 501 public abstract PackageInfo getPackageInfo(String packageName, int flags) 502 throws NameNotFoundException; 503 504 /** 505 * Return a "good" intent to launch a front-door activity in a package, 506 * for use for example to implement an "open" button when browsing through 507 * packages. The current implementation will look first for a main 508 * activity in the category {@link Intent#CATEGORY_INFO}, next for a 509 * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return 510 * null if neither are found. 511 * 512 * <p>Throws {@link NameNotFoundException} if a package with the given 513 * name can not be found on the system. 514 * 515 * @param packageName The name of the package to inspect. 516 * 517 * @return Returns either a fully-qualified Intent that can be used to 518 * launch the main activity in the package, or null if the package does 519 * not contain such an activity. 520 */ 521 public abstract Intent getLaunchIntentForPackage(String packageName) 522 throws NameNotFoundException; 523 524 /** 525 * Return an array of all of the secondary group-ids that have been 526 * assigned to a package. 527 * 528 * <p>Throws {@link NameNotFoundException} if a package with the given 529 * name can not be found on the system. 530 * 531 * @param packageName The full name (i.e. com.google.apps.contacts) of the 532 * desired package. 533 * 534 * @return Returns an int array of the assigned gids, or null if there 535 * are none. 536 */ 537 public abstract int[] getPackageGids(String packageName) 538 throws NameNotFoundException; 539 540 /** 541 * Retrieve all of the information we know about a particular permission. 542 * 543 * <p>Throws {@link NameNotFoundException} if a permission with the given 544 * name can not be found on the system. 545 * 546 * @param name The fully qualified name (i.e. com.google.permission.LOGIN) 547 * of the permission you are interested in. 548 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 549 * retrieve any meta-data associated with the permission. 550 * 551 * @return Returns a {@link PermissionInfo} containing information about the 552 * permission. 553 */ 554 public abstract PermissionInfo getPermissionInfo(String name, int flags) 555 throws NameNotFoundException; 556 557 /** 558 * Query for all of the permissions associated with a particular group. 559 * 560 * <p>Throws {@link NameNotFoundException} if the given group does not 561 * exist. 562 * 563 * @param group The fully qualified name (i.e. com.google.permission.LOGIN) 564 * of the permission group you are interested in. Use null to 565 * find all of the permissions not associated with a group. 566 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 567 * retrieve any meta-data associated with the permissions. 568 * 569 * @return Returns a list of {@link PermissionInfo} containing information 570 * about all of the permissions in the given group. 571 */ 572 public abstract List<PermissionInfo> queryPermissionsByGroup(String group, 573 int flags) throws NameNotFoundException; 574 575 /** 576 * Retrieve all of the information we know about a particular group of 577 * permissions. 578 * 579 * <p>Throws {@link NameNotFoundException} if a permission group with the given 580 * name can not be found on the system. 581 * 582 * @param name The fully qualified name (i.e. com.google.permission_group.APPS) 583 * of the permission you are interested in. 584 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 585 * retrieve any meta-data associated with the permission group. 586 * 587 * @return Returns a {@link PermissionGroupInfo} containing information 588 * about the permission. 589 */ 590 public abstract PermissionGroupInfo getPermissionGroupInfo(String name, 591 int flags) throws NameNotFoundException; 592 593 /** 594 * Retrieve all of the known permission groups in the system. 595 * 596 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 597 * retrieve any meta-data associated with the permission group. 598 * 599 * @return Returns a list of {@link PermissionGroupInfo} containing 600 * information about all of the known permission groups. 601 */ 602 public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags); 603 604 /** 605 * Retrieve all of the information we know about a particular 606 * package/application. 607 * 608 * <p>Throws {@link NameNotFoundException} if an application with the given 609 * package name can not be found on the system. 610 * 611 * @param packageName The full name (i.e. com.google.apps.contacts) of an 612 * application. 613 * @param flags Additional option flags. Use any combination of 614 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 615 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 616 * 617 * @return {@link ApplicationInfo} Returns ApplicationInfo object containing 618 * information about the package. 619 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 620 * found in the list of installed applications, 621 * the application information is retrieved from the 622 * list of uninstalled applications(which includes 623 * installed applications as well as applications 624 * with data directory ie applications which had been 625 * deleted with DONT_DELTE_DATA flag set). 626 * 627 * @see #GET_META_DATA 628 * @see #GET_SHARED_LIBRARY_FILES 629 * @see #GET_UNINSTALLED_PACKAGES 630 */ 631 public abstract ApplicationInfo getApplicationInfo(String packageName, 632 int flags) throws NameNotFoundException; 633 634 /** 635 * Retrieve all of the information we know about a particular activity 636 * class. 637 * 638 * <p>Throws {@link NameNotFoundException} if an activity with the given 639 * class name can not be found on the system. 640 * 641 * @param className The full name (i.e. 642 * com.google.apps.contacts.ContactsList) of an Activity 643 * class. 644 * @param flags Additional option flags. Use any combination of 645 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 646 * to modify the data (in ApplicationInfo) returned. 647 * 648 * @return {@link ActivityInfo} containing information about the activity. 649 * 650 * @see #GET_INTENT_FILTERS 651 * @see #GET_META_DATA 652 * @see #GET_SHARED_LIBRARY_FILES 653 */ 654 public abstract ActivityInfo getActivityInfo(ComponentName className, 655 int flags) throws NameNotFoundException; 656 657 /** 658 * Retrieve all of the information we know about a particular receiver 659 * class. 660 * 661 * <p>Throws {@link NameNotFoundException} if a receiver with the given 662 * class name can not be found on the system. 663 * 664 * @param className The full name (i.e. 665 * com.google.apps.contacts.CalendarAlarm) of a Receiver 666 * class. 667 * @param flags Additional option flags. Use any combination of 668 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 669 * to modify the data returned. 670 * 671 * @return {@link ActivityInfo} containing information about the receiver. 672 * 673 * @see #GET_INTENT_FILTERS 674 * @see #GET_META_DATA 675 * @see #GET_SHARED_LIBRARY_FILES 676 */ 677 public abstract ActivityInfo getReceiverInfo(ComponentName className, 678 int flags) throws NameNotFoundException; 679 680 /** 681 * Retrieve all of the information we know about a particular service 682 * class. 683 * 684 * <p>Throws {@link NameNotFoundException} if a service with the given 685 * class name can not be found on the system. 686 * 687 * @param className The full name (i.e. 688 * com.google.apps.media.BackgroundPlayback) of a Service 689 * class. 690 * @param flags Additional option flags. Use any combination of 691 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 692 * to modify the data returned. 693 * 694 * @return ServiceInfo containing information about the service. 695 * 696 * @see #GET_META_DATA 697 * @see #GET_SHARED_LIBRARY_FILES 698 */ 699 public abstract ServiceInfo getServiceInfo(ComponentName className, 700 int flags) throws NameNotFoundException; 701 702 /** 703 * Return a List of all packages that are installed 704 * on the device. 705 * 706 * @param flags Additional option flags. Use any combination of 707 * {@link #GET_ACTIVITIES}, 708 * {@link #GET_GIDS}, 709 * {@link #GET_CONFIGURATIONS}, 710 * {@link #GET_INSTRUMENTATION}, 711 * {@link #GET_PERMISSIONS}, 712 * {@link #GET_PROVIDERS}, 713 * {@link #GET_RECEIVERS}, 714 * {@link #GET_SERVICES}, 715 * {@link #GET_SIGNATURES}, 716 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 717 * 718 * @return A List of PackageInfo objects, one for each package that is 719 * installed on the device. In the unlikely case of there being no 720 * installed packages, an empty list is returned. 721 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 722 * applications including those deleted with DONT_DELETE_DATA 723 * (partially installed apps with data directory) will be returned. 724 * 725 * @see #GET_ACTIVITIES 726 * @see #GET_GIDS 727 * @see #GET_CONFIGURATIONS 728 * @see #GET_INSTRUMENTATION 729 * @see #GET_PERMISSIONS 730 * @see #GET_PROVIDERS 731 * @see #GET_RECEIVERS 732 * @see #GET_SERVICES 733 * @see #GET_SIGNATURES 734 * @see #GET_UNINSTALLED_PACKAGES 735 * 736 */ 737 public abstract List<PackageInfo> getInstalledPackages(int flags); 738 739 /** 740 * Check whether a particular package has been granted a particular 741 * permission. 742 * 743 * @param permName The name of the permission you are checking for, 744 * @param pkgName The name of the package you are checking against. 745 * 746 * @return If the package has the permission, PERMISSION_GRANTED is 747 * returned. If it does not have the permission, PERMISSION_DENIED 748 * is returned. 749 * 750 * @see #PERMISSION_GRANTED 751 * @see #PERMISSION_DENIED 752 */ 753 public abstract int checkPermission(String permName, String pkgName); 754 755 /** 756 * Add a new dynamic permission to the system. For this to work, your 757 * package must have defined a permission tree through the 758 * {@link android.R.styleable#AndroidManifestPermissionTree 759 * <permission-tree>} tag in its manifest. A package can only add 760 * permissions to trees that were defined by either its own package or 761 * another with the same user id; a permission is in a tree if it 762 * matches the name of the permission tree + ".": for example, 763 * "com.foo.bar" is a member of the permission tree "com.foo". 764 * 765 * <p>It is good to make your permission tree name descriptive, because you 766 * are taking possession of that entire set of permission names. Thus, it 767 * must be under a domain you control, with a suffix that will not match 768 * any normal permissions that may be declared in any applications that 769 * are part of that domain. 770 * 771 * <p>New permissions must be added before 772 * any .apks are installed that use those permissions. Permissions you 773 * add through this method are remembered across reboots of the device. 774 * If the given permission already exists, the info you supply here 775 * will be used to update it. 776 * 777 * @param info Description of the permission to be added. 778 * 779 * @return Returns true if a new permission was created, false if an 780 * existing one was updated. 781 * 782 * @throws SecurityException if you are not allowed to add the 783 * given permission name. 784 * 785 * @see #removePermission(String) 786 */ 787 public abstract boolean addPermission(PermissionInfo info); 788 789 /** 790 * Removes a permission that was previously added with 791 * {@link #addPermission(PermissionInfo)}. The same ownership rules apply 792 * -- you are only allowed to remove permissions that you are allowed 793 * to add. 794 * 795 * @param name The name of the permission to remove. 796 * 797 * @throws SecurityException if you are not allowed to remove the 798 * given permission name. 799 * 800 * @see #addPermission(PermissionInfo) 801 */ 802 public abstract void removePermission(String name); 803 804 /** 805 * Compare the signatures of two packages to determine if the same 806 * signature appears in both of them. If they do contain the same 807 * signature, then they are allowed special privileges when working 808 * with each other: they can share the same user-id, run instrumentation 809 * against each other, etc. 810 * 811 * @param pkg1 First package name whose signature will be compared. 812 * @param pkg2 Second package name whose signature will be compared. 813 * @return Returns an integer indicating whether there is a matching 814 * signature: the value is >= 0 if there is a match (or neither package 815 * is signed), or < 0 if there is not a match. The match result can be 816 * further distinguished with the success (>= 0) constants 817 * {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or 818 * failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED}, 819 * {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH}, 820 * or {@link #SIGNATURE_UNKNOWN_PACKAGE}. 821 * 822 * @see #SIGNATURE_MATCH 823 * @see #SIGNATURE_NEITHER_SIGNED 824 * @see #SIGNATURE_FIRST_NOT_SIGNED 825 * @see #SIGNATURE_SECOND_NOT_SIGNED 826 * @see #SIGNATURE_NO_MATCH 827 * @see #SIGNATURE_UNKNOWN_PACKAGE 828 */ 829 public abstract int checkSignatures(String pkg1, String pkg2); 830 831 /** 832 * Retrieve the names of all packages that are associated with a particular 833 * user id. In most cases, this will be a single package name, the package 834 * that has been assigned that user id. Where there are multiple packages 835 * sharing the same user id through the "sharedUserId" mechanism, all 836 * packages with that id will be returned. 837 * 838 * @param uid The user id for which you would like to retrieve the 839 * associated packages. 840 * 841 * @return Returns an array of one or more packages assigned to the user 842 * id, or null if there are no known packages with the given id. 843 */ 844 public abstract String[] getPackagesForUid(int uid); 845 846 /** 847 * Retrieve the official name associated with a user id. This name is 848 * guaranteed to never change, though it is possibly for the underlying 849 * user id to be changed. That is, if you are storing information about 850 * user ids in persistent storage, you should use the string returned 851 * by this function instead of the raw user-id. 852 * 853 * @param uid The user id for which you would like to retrieve a name. 854 * @return Returns a unique name for the given user id, or null if the 855 * user id is not currently assigned. 856 */ 857 public abstract String getNameForUid(int uid); 858 859 /** 860 * Return the user id associated with a shared user name. Multiple 861 * applications can specify a shared user name in their manifest and thus 862 * end up using a common uid. This might be used for new applications 863 * that use an existing shared user name and need to know the uid of the 864 * shared user. 865 * 866 * @param sharedUserName The shared user name whose uid is to be retrieved. 867 * @return Returns the uid associated with the shared user, or NameNotFoundException 868 * if the shared user name is not being used by any installed packages 869 * @hide 870 */ 871 public abstract int getUidForSharedUser(String sharedUserName) 872 throws NameNotFoundException; 873 874 /** 875 * Return a List of all application packages that are installed on the 876 * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all 877 * applications including those deleted with DONT_DELETE_DATA(partially 878 * installed apps with data directory) will be returned. 879 * 880 * @param flags Additional option flags. Use any combination of 881 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 882 * {link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 883 * 884 * @return A List of ApplicationInfo objects, one for each application that 885 * is installed on the device. In the unlikely case of there being 886 * no installed applications, an empty list is returned. 887 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 888 * applications including those deleted with DONT_DELETE_DATA 889 * (partially installed apps with data directory) will be returned. 890 * 891 * @see #GET_META_DATA 892 * @see #GET_SHARED_LIBRARY_FILES 893 * @see #GET_UNINSTALLED_PACKAGES 894 */ 895 public abstract List<ApplicationInfo> getInstalledApplications(int flags); 896 897 /** 898 * Get a list of shared libraries that are available on the 899 * system. 900 * 901 * @return An array of shared library names that are 902 * available on the system, or null if none are installed. 903 * 904 */ 905 public abstract String[] getSystemSharedLibraryNames(); 906 907 /** 908 * Determine the best action to perform for a given Intent. This is how 909 * {@link Intent#resolveActivity} finds an activity if a class has not 910 * been explicitly specified. 911 * 912 * @param intent An intent containing all of the desired specification 913 * (action, data, type, category, and/or component). 914 * @param flags Additional option flags. The most important is 915 * MATCH_DEFAULT_ONLY, to limit the resolution to only 916 * those activities that support the CATEGORY_DEFAULT. 917 * 918 * @return Returns a ResolveInfo containing the final activity intent that 919 * was determined to be the best action. Returns null if no 920 * matching activity was found. 921 * 922 * @see #MATCH_DEFAULT_ONLY 923 * @see #GET_INTENT_FILTERS 924 * @see #GET_RESOLVED_FILTER 925 */ 926 public abstract ResolveInfo resolveActivity(Intent intent, int flags); 927 928 /** 929 * Retrieve all activities that can be performed for the given intent. 930 * 931 * @param intent The desired intent as per resolveActivity(). 932 * @param flags Additional option flags. The most important is 933 * MATCH_DEFAULT_ONLY, to limit the resolution to only 934 * those activities that support the CATEGORY_DEFAULT. 935 * 936 * @return A List<ResolveInfo> containing one entry for each matching 937 * Activity. These are ordered from best to worst match -- that 938 * is, the first item in the list is what is returned by 939 * resolveActivity(). If there are no matching activities, an empty 940 * list is returned. 941 * 942 * @see #MATCH_DEFAULT_ONLY 943 * @see #GET_INTENT_FILTERS 944 * @see #GET_RESOLVED_FILTER 945 */ 946 public abstract List<ResolveInfo> queryIntentActivities(Intent intent, 947 int flags); 948 949 /** 950 * Retrieve a set of activities that should be presented to the user as 951 * similar options. This is like {@link #queryIntentActivities}, except it 952 * also allows you to supply a list of more explicit Intents that you would 953 * like to resolve to particular options, and takes care of returning the 954 * final ResolveInfo list in a reasonable order, with no duplicates, based 955 * on those inputs. 956 * 957 * @param caller The class name of the activity that is making the 958 * request. This activity will never appear in the output 959 * list. Can be null. 960 * @param specifics An array of Intents that should be resolved to the 961 * first specific results. Can be null. 962 * @param intent The desired intent as per resolveActivity(). 963 * @param flags Additional option flags. The most important is 964 * MATCH_DEFAULT_ONLY, to limit the resolution to only 965 * those activities that support the CATEGORY_DEFAULT. 966 * 967 * @return A List<ResolveInfo> containing one entry for each matching 968 * Activity. These are ordered first by all of the intents resolved 969 * in <var>specifics</var> and then any additional activities that 970 * can handle <var>intent</var> but did not get included by one of 971 * the <var>specifics</var> intents. If there are no matching 972 * activities, an empty list is returned. 973 * 974 * @see #MATCH_DEFAULT_ONLY 975 * @see #GET_INTENT_FILTERS 976 * @see #GET_RESOLVED_FILTER 977 */ 978 public abstract List<ResolveInfo> queryIntentActivityOptions( 979 ComponentName caller, Intent[] specifics, Intent intent, int flags); 980 981 /** 982 * Retrieve all receivers that can handle a broadcast of the given intent. 983 * 984 * @param intent The desired intent as per resolveActivity(). 985 * @param flags Additional option flags. The most important is 986 * MATCH_DEFAULT_ONLY, to limit the resolution to only 987 * those activities that support the CATEGORY_DEFAULT. 988 * 989 * @return A List<ResolveInfo> containing one entry for each matching 990 * Receiver. These are ordered from first to last in priority. If 991 * there are no matching receivers, an empty list is returned. 992 * 993 * @see #MATCH_DEFAULT_ONLY 994 * @see #GET_INTENT_FILTERS 995 * @see #GET_RESOLVED_FILTER 996 */ 997 public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent, 998 int flags); 999 1000 /** 1001 * Determine the best service to handle for a given Intent. 1002 * 1003 * @param intent An intent containing all of the desired specification 1004 * (action, data, type, category, and/or component). 1005 * @param flags Additional option flags. 1006 * 1007 * @return Returns a ResolveInfo containing the final service intent that 1008 * was determined to be the best action. Returns null if no 1009 * matching service was found. 1010 * 1011 * @see #GET_INTENT_FILTERS 1012 * @see #GET_RESOLVED_FILTER 1013 */ 1014 public abstract ResolveInfo resolveService(Intent intent, int flags); 1015 1016 /** 1017 * Retrieve all services that can match the given intent. 1018 * 1019 * @param intent The desired intent as per resolveService(). 1020 * @param flags Additional option flags. 1021 * 1022 * @return A List<ResolveInfo> containing one entry for each matching 1023 * ServiceInfo. These are ordered from best to worst match -- that 1024 * is, the first item in the list is what is returned by 1025 * resolveService(). If there are no matching services, an empty 1026 * list is returned. 1027 * 1028 * @see #GET_INTENT_FILTERS 1029 * @see #GET_RESOLVED_FILTER 1030 */ 1031 public abstract List<ResolveInfo> queryIntentServices(Intent intent, 1032 int flags); 1033 1034 /** 1035 * Find a single content provider by its base path name. 1036 * 1037 * @param name The name of the provider to find. 1038 * @param flags Additional option flags. Currently should always be 0. 1039 * 1040 * @return ContentProviderInfo Information about the provider, if found, 1041 * else null. 1042 */ 1043 public abstract ProviderInfo resolveContentProvider(String name, 1044 int flags); 1045 1046 /** 1047 * Retrieve content provider information. 1048 * 1049 * <p><em>Note: unlike most other methods, an empty result set is indicated 1050 * by a null return instead of an empty list.</em> 1051 * 1052 * @param processName If non-null, limits the returned providers to only 1053 * those that are hosted by the given process. If null, 1054 * all content providers are returned. 1055 * @param uid If <var>processName</var> is non-null, this is the required 1056 * uid owning the requested content providers. 1057 * @param flags Additional option flags. Currently should always be 0. 1058 * 1059 * @return A List<ContentProviderInfo> containing one entry for each 1060 * content provider either patching <var>processName</var> or, if 1061 * <var>processName</var> is null, all known content providers. 1062 * <em>If there are no matching providers, null is returned.</em> 1063 */ 1064 public abstract List<ProviderInfo> queryContentProviders( 1065 String processName, int uid, int flags); 1066 1067 /** 1068 * Retrieve all of the information we know about a particular 1069 * instrumentation class. 1070 * 1071 * <p>Throws {@link NameNotFoundException} if instrumentation with the 1072 * given class name can not be found on the system. 1073 * 1074 * @param className The full name (i.e. 1075 * com.google.apps.contacts.InstrumentList) of an 1076 * Instrumentation class. 1077 * @param flags Additional option flags. Currently should always be 0. 1078 * 1079 * @return InstrumentationInfo containing information about the 1080 * instrumentation. 1081 */ 1082 public abstract InstrumentationInfo getInstrumentationInfo( 1083 ComponentName className, int flags) throws NameNotFoundException; 1084 1085 /** 1086 * Retrieve information about available instrumentation code. May be used 1087 * to retrieve either all instrumentation code, or only the code targeting 1088 * a particular package. 1089 * 1090 * @param targetPackage If null, all instrumentation is returned; only the 1091 * instrumentation targeting this package name is 1092 * returned. 1093 * @param flags Additional option flags. Currently should always be 0. 1094 * 1095 * @return A List<InstrumentationInfo> containing one entry for each 1096 * matching available Instrumentation. Returns an empty list if 1097 * there is no instrumentation available for the given package. 1098 */ 1099 public abstract List<InstrumentationInfo> queryInstrumentation( 1100 String targetPackage, int flags); 1101 1102 /** 1103 * Retrieve an image from a package. This is a low-level API used by 1104 * the various package manager info structures (such as 1105 * {@link ComponentInfo} to implement retrieval of their associated 1106 * icon. 1107 * 1108 * @param packageName The name of the package that this icon is coming from. 1109 * Can not be null. 1110 * @param resid The resource identifier of the desired image. Can not be 0. 1111 * @param appInfo Overall information about <var>packageName</var>. This 1112 * may be null, in which case the application information will be retrieved 1113 * for you if needed; if you already have this information around, it can 1114 * be much more efficient to supply it here. 1115 * 1116 * @return Returns a Drawable holding the requested image. Returns null if 1117 * an image could not be found for any reason. 1118 */ 1119 public abstract Drawable getDrawable(String packageName, int resid, 1120 ApplicationInfo appInfo); 1121 1122 /** 1123 * Retrieve the icon associated with an activity. Given the full name of 1124 * an activity, retrieves the information about it and calls 1125 * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon. 1126 * If the activity can not be found, NameNotFoundException is thrown. 1127 * 1128 * @param activityName Name of the activity whose icon is to be retrieved. 1129 * 1130 * @return Returns the image of the icon, or the default activity icon if 1131 * it could not be found. Does not return null. 1132 * @throws NameNotFoundException Thrown if the resources for the given 1133 * activity could not be loaded. 1134 * 1135 * @see #getActivityIcon(Intent) 1136 */ 1137 public abstract Drawable getActivityIcon(ComponentName activityName) 1138 throws NameNotFoundException; 1139 1140 /** 1141 * Retrieve the icon associated with an Intent. If intent.getClassName() is 1142 * set, this simply returns the result of 1143 * getActivityIcon(intent.getClassName()). Otherwise it resolves the intent's 1144 * component and returns the icon associated with the resolved component. 1145 * If intent.getClassName() can not be found or the Intent can not be resolved 1146 * to a component, NameNotFoundException is thrown. 1147 * 1148 * @param intent The intent for which you would like to retrieve an icon. 1149 * 1150 * @return Returns the image of the icon, or the default activity icon if 1151 * it could not be found. Does not return null. 1152 * @throws NameNotFoundException Thrown if the resources for application 1153 * matching the given intent could not be loaded. 1154 * 1155 * @see #getActivityIcon(ComponentName) 1156 */ 1157 public abstract Drawable getActivityIcon(Intent intent) 1158 throws NameNotFoundException; 1159 1160 /** 1161 * Return the generic icon for an activity that is used when no specific 1162 * icon is defined. 1163 * 1164 * @return Drawable Image of the icon. 1165 */ 1166 public abstract Drawable getDefaultActivityIcon(); 1167 1168 /** 1169 * Retrieve the icon associated with an application. If it has not defined 1170 * an icon, the default app icon is returned. Does not return null. 1171 * 1172 * @param info Information about application being queried. 1173 * 1174 * @return Returns the image of the icon, or the default application icon 1175 * if it could not be found. 1176 * 1177 * @see #getApplicationIcon(String) 1178 */ 1179 public abstract Drawable getApplicationIcon(ApplicationInfo info); 1180 1181 /** 1182 * Retrieve the icon associated with an application. Given the name of the 1183 * application's package, retrieves the information about it and calls 1184 * getApplicationIcon() to return its icon. If the application can not be 1185 * found, NameNotFoundException is thrown. 1186 * 1187 * @param packageName Name of the package whose application icon is to be 1188 * retrieved. 1189 * 1190 * @return Returns the image of the icon, or the default application icon 1191 * if it could not be found. Does not return null. 1192 * @throws NameNotFoundException Thrown if the resources for the given 1193 * application could not be loaded. 1194 * 1195 * @see #getApplicationIcon(ApplicationInfo) 1196 */ 1197 public abstract Drawable getApplicationIcon(String packageName) 1198 throws NameNotFoundException; 1199 1200 /** 1201 * Retrieve text from a package. This is a low-level API used by 1202 * the various package manager info structures (such as 1203 * {@link ComponentInfo} to implement retrieval of their associated 1204 * labels and other text. 1205 * 1206 * @param packageName The name of the package that this text is coming from. 1207 * Can not be null. 1208 * @param resid The resource identifier of the desired text. Can not be 0. 1209 * @param appInfo Overall information about <var>packageName</var>. This 1210 * may be null, in which case the application information will be retrieved 1211 * for you if needed; if you already have this information around, it can 1212 * be much more efficient to supply it here. 1213 * 1214 * @return Returns a CharSequence holding the requested text. Returns null 1215 * if the text could not be found for any reason. 1216 */ 1217 public abstract CharSequence getText(String packageName, int resid, 1218 ApplicationInfo appInfo); 1219 1220 /** 1221 * Retrieve an XML file from a package. This is a low-level API used to 1222 * retrieve XML meta data. 1223 * 1224 * @param packageName The name of the package that this xml is coming from. 1225 * Can not be null. 1226 * @param resid The resource identifier of the desired xml. Can not be 0. 1227 * @param appInfo Overall information about <var>packageName</var>. This 1228 * may be null, in which case the application information will be retrieved 1229 * for you if needed; if you already have this information around, it can 1230 * be much more efficient to supply it here. 1231 * 1232 * @return Returns an XmlPullParser allowing you to parse out the XML 1233 * data. Returns null if the xml resource could not be found for any 1234 * reason. 1235 */ 1236 public abstract XmlResourceParser getXml(String packageName, int resid, 1237 ApplicationInfo appInfo); 1238 1239 /** 1240 * Return the label to use for this application. 1241 * 1242 * @return Returns the label associated with this application, or null if 1243 * it could not be found for any reason. 1244 * @param info The application to get the label of 1245 */ 1246 public abstract CharSequence getApplicationLabel(ApplicationInfo info); 1247 1248 /** 1249 * Retrieve the resources associated with an activity. Given the full 1250 * name of an activity, retrieves the information about it and calls 1251 * getResources() to return its application's resources. If the activity 1252 * can not be found, NameNotFoundException is thrown. 1253 * 1254 * @param activityName Name of the activity whose resources are to be 1255 * retrieved. 1256 * 1257 * @return Returns the application's Resources. 1258 * @throws NameNotFoundException Thrown if the resources for the given 1259 * application could not be loaded. 1260 * 1261 * @see #getResourcesForApplication(ApplicationInfo) 1262 */ 1263 public abstract Resources getResourcesForActivity(ComponentName activityName) 1264 throws NameNotFoundException; 1265 1266 /** 1267 * Retrieve the resources for an application. Throws NameNotFoundException 1268 * if the package is no longer installed. 1269 * 1270 * @param app Information about the desired application. 1271 * 1272 * @return Returns the application's Resources. 1273 * @throws NameNotFoundException Thrown if the resources for the given 1274 * application could not be loaded (most likely because it was uninstalled). 1275 */ 1276 public abstract Resources getResourcesForApplication(ApplicationInfo app) 1277 throws NameNotFoundException; 1278 1279 /** 1280 * Retrieve the resources associated with an application. Given the full 1281 * package name of an application, retrieves the information about it and 1282 * calls getResources() to return its application's resources. If the 1283 * appPackageName can not be found, NameNotFoundException is thrown. 1284 * 1285 * @param appPackageName Package name of the application whose resources 1286 * are to be retrieved. 1287 * 1288 * @return Returns the application's Resources. 1289 * @throws NameNotFoundException Thrown if the resources for the given 1290 * application could not be loaded. 1291 * 1292 * @see #getResourcesForApplication(ApplicationInfo) 1293 */ 1294 public abstract Resources getResourcesForApplication(String appPackageName) 1295 throws NameNotFoundException; 1296 1297 /** 1298 * Retrieve overall information about an application package defined 1299 * in a package archive file 1300 * 1301 * @param archiveFilePath The path to the archive file 1302 * @param flags Additional option flags. Use any combination of 1303 * {@link #GET_ACTIVITIES}, 1304 * {@link #GET_GIDS}, 1305 * {@link #GET_CONFIGURATIONS}, 1306 * {@link #GET_INSTRUMENTATION}, 1307 * {@link #GET_PERMISSIONS}, 1308 * {@link #GET_PROVIDERS}, 1309 * {@link #GET_RECEIVERS}, 1310 * {@link #GET_SERVICES}, 1311 * {@link #GET_SIGNATURES}, to modify the data returned. 1312 * 1313 * @return Returns the information about the package. Returns 1314 * null if the package could not be successfully parsed. 1315 * 1316 * @see #GET_ACTIVITIES 1317 * @see #GET_GIDS 1318 * @see #GET_CONFIGURATIONS 1319 * @see #GET_INSTRUMENTATION 1320 * @see #GET_PERMISSIONS 1321 * @see #GET_PROVIDERS 1322 * @see #GET_RECEIVERS 1323 * @see #GET_SERVICES 1324 * @see #GET_SIGNATURES 1325 * 1326 */ 1327 public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) { 1328 PackageParser packageParser = new PackageParser(archiveFilePath); 1329 DisplayMetrics metrics = new DisplayMetrics(); 1330 metrics.setToDefaults(); 1331 final File sourceFile = new File(archiveFilePath); 1332 PackageParser.Package pkg = packageParser.parsePackage( 1333 sourceFile, archiveFilePath, metrics, 0); 1334 if (pkg == null) { 1335 return null; 1336 } 1337 return PackageParser.generatePackageInfo(pkg, null, flags); 1338 } 1339 1340 /** 1341 * Install a package. Since this may take a little while, the result will 1342 * be posted back to the given observer. An installation will fail if the calling context 1343 * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the 1344 * package named in the package file's manifest is already installed, or if there's no space 1345 * available on the device. 1346 * 1347 * @param packageURI The location of the package file to install. This can be a 'file:' or a 1348 * 'content:' URI. 1349 * @param observer An observer callback to get notified when the package installation is 1350 * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be 1351 * called when that happens. observer may be null to indicate that no callback is desired. 1352 * @param flags - possible values: {@link #FORWARD_LOCK_PACKAGE}, 1353 * {@link #REPLACE_EXISTING_PACKAGE} 1354 * 1355 * @see #installPackage(android.net.Uri) 1356 */ 1357 public void installPackage( 1358 Uri packageURI, IPackageInstallObserver observer, int flags) { 1359 installPackage(packageURI, observer, flags, null); 1360 } 1361 1362 /** 1363 * Install a package. Since this may take a little while, the result will 1364 * be posted back to the given observer. An installation will fail if the calling context 1365 * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the 1366 * package named in the package file's manifest is already installed, or if there's no space 1367 * available on the device. 1368 * 1369 * @param packageURI The location of the package file to install. This can be a 'file:' or a 1370 * 'content:' URI. 1371 * @param observer An observer callback to get notified when the package installation is 1372 * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be 1373 * called when that happens. observer may be null to indicate that no callback is desired. 1374 * @param flags - possible values: {@link #FORWARD_LOCK_PACKAGE}, 1375 * {@link #REPLACE_EXISTING_PACKAGE} 1376 * @param installerPackageName Optional package name of the application that is performing the 1377 * installation. This identifies which market the package came from. 1378 * 1379 * @see #installPackage(android.net.Uri) 1380 * 1381 * @hide 1382 */ 1383 public abstract void installPackage( 1384 Uri packageURI, IPackageInstallObserver observer, int flags, 1385 String installerPackageName); 1386 1387 /** 1388 * Attempts to delete a package. Since this may take a little while, the result will 1389 * be posted back to the given observer. A deletion will fail if the calling context 1390 * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the 1391 * named package cannot be found, or if the named package is a "system package". 1392 * (TODO: include pointer to documentation on "system packages") 1393 * 1394 * @param packageName The name of the package to delete 1395 * @param observer An observer callback to get notified when the package deletion is 1396 * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be 1397 * called when that happens. observer may be null to indicate that no callback is desired. 1398 * @param flags - possible values: {@link #DONT_DELETE_DATA} 1399 * 1400 * @hide 1401 */ 1402 public abstract void deletePackage( 1403 String packageName, IPackageDeleteObserver observer, int flags); 1404 1405 /** 1406 * Retrieve the package name of the application that installed a package. This identifies 1407 * which market the package came from. 1408 * 1409 * @param packageName The name of the package to query 1410 */ 1411 public abstract String getInstallerPackageName(String packageName); 1412 1413 /** 1414 * Attempts to clear the user data directory of an application. 1415 * Since this may take a little while, the result will 1416 * be posted back to the given observer. A deletion will fail if the 1417 * named package cannot be found, or if the named package is a "system package". 1418 * 1419 * @param packageName The name of the package 1420 * @param observer An observer callback to get notified when the operation is finished 1421 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1422 * will be called when that happens. observer may be null to indicate that 1423 * no callback is desired. 1424 * 1425 * @hide 1426 */ 1427 public abstract void clearApplicationUserData(String packageName, 1428 IPackageDataObserver observer); 1429 /** 1430 * Attempts to delete the cache files associated with an application. 1431 * Since this may take a little while, the result will 1432 * be posted back to the given observer. A deletion will fail if the calling context 1433 * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the 1434 * named package cannot be found, or if the named package is a "system package". 1435 * 1436 * @param packageName The name of the package to delete 1437 * @param observer An observer callback to get notified when the cache file deletion 1438 * is complete. 1439 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1440 * will be called when that happens. observer may be null to indicate that 1441 * no callback is desired. 1442 * 1443 * @hide 1444 */ 1445 public abstract void deleteApplicationCacheFiles(String packageName, 1446 IPackageDataObserver observer); 1447 1448 /** 1449 * Free storage by deleting LRU sorted list of cache files across 1450 * all applications. If the currently available free storage 1451 * on the device is greater than or equal to the requested 1452 * free storage, no cache files are cleared. If the currently 1453 * available storage on the device is less than the requested 1454 * free storage, some or all of the cache files across 1455 * all applications are deleted (based on last accessed time) 1456 * to increase the free storage space on the device to 1457 * the requested value. There is no guarantee that clearing all 1458 * the cache files from all applications will clear up 1459 * enough storage to achieve the desired value. 1460 * @param freeStorageSize The number of bytes of storage to be 1461 * freed by the system. Say if freeStorageSize is XX, 1462 * and the current free storage is YY, 1463 * if XX is less than YY, just return. if not free XX-YY number 1464 * of bytes if possible. 1465 * @param observer call back used to notify when 1466 * the operation is completed 1467 * 1468 * @hide 1469 */ 1470 public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer); 1471 1472 /** 1473 * Free storage by deleting LRU sorted list of cache files across 1474 * all applications. If the currently available free storage 1475 * on the device is greater than or equal to the requested 1476 * free storage, no cache files are cleared. If the currently 1477 * available storage on the device is less than the requested 1478 * free storage, some or all of the cache files across 1479 * all applications are deleted (based on last accessed time) 1480 * to increase the free storage space on the device to 1481 * the requested value. There is no guarantee that clearing all 1482 * the cache files from all applications will clear up 1483 * enough storage to achieve the desired value. 1484 * @param freeStorageSize The number of bytes of storage to be 1485 * freed by the system. Say if freeStorageSize is XX, 1486 * and the current free storage is YY, 1487 * if XX is less than YY, just return. if not free XX-YY number 1488 * of bytes if possible. 1489 * @param opFinishedIntent PendingIntent call back used to 1490 * notify when the operation is completed.May be null 1491 * to indicate that no call back is desired. 1492 * 1493 * @hide 1494 */ 1495 public abstract void freeStorage(long freeStorageSize, PendingIntent opFinishedIntent); 1496 1497 /** 1498 * Retrieve the size information for a package. 1499 * Since this may take a little while, the result will 1500 * be posted back to the given observer. The calling context 1501 * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission. 1502 * 1503 * @param packageName The name of the package whose size information is to be retrieved 1504 * @param observer An observer callback to get notified when the operation 1505 * is complete. 1506 * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)} 1507 * The observer's callback is invoked with a PackageStats object(containing the 1508 * code, data and cache sizes of the package) and a boolean value representing 1509 * the status of the operation. observer may be null to indicate that 1510 * no callback is desired. 1511 * 1512 * @hide 1513 */ 1514 public abstract void getPackageSizeInfo(String packageName, 1515 IPackageStatsObserver observer); 1516 1517 /** 1518 * Install a package. 1519 * 1520 * @param packageURI The location of the package file to install 1521 * 1522 * @see #installPackage(android.net.Uri, IPackageInstallObserver, int, String) 1523 */ 1524 public void installPackage(Uri packageURI) { 1525 installPackage(packageURI, null, 0); 1526 } 1527 1528 /** 1529 * Add a new package to the list of preferred packages. This new package 1530 * will be added to the front of the list (removed from its current location 1531 * if already listed), meaning it will now be preferred over all other 1532 * packages when resolving conflicts. 1533 * 1534 * @param packageName The package name of the new package to make preferred. 1535 */ 1536 public abstract void addPackageToPreferred(String packageName); 1537 1538 /** 1539 * Remove a package from the list of preferred packages. If it was on 1540 * the list, it will no longer be preferred over other packages. 1541 * 1542 * @param packageName The package name to remove. 1543 */ 1544 public abstract void removePackageFromPreferred(String packageName); 1545 1546 /** 1547 * Retrieve the list of all currently configured preferred packages. The 1548 * first package on the list is the most preferred, the last is the 1549 * least preferred. 1550 * 1551 * @param flags Additional option flags. Use any combination of 1552 * {@link #GET_ACTIVITIES}, 1553 * {@link #GET_GIDS}, 1554 * {@link #GET_CONFIGURATIONS}, 1555 * {@link #GET_INSTRUMENTATION}, 1556 * {@link #GET_PERMISSIONS}, 1557 * {@link #GET_PROVIDERS}, 1558 * {@link #GET_RECEIVERS}, 1559 * {@link #GET_SERVICES}, 1560 * {@link #GET_SIGNATURES}, to modify the data returned. 1561 * 1562 * @return Returns a list of PackageInfo objects describing each 1563 * preferred application, in order of preference. 1564 * 1565 * @see #GET_ACTIVITIES 1566 * @see #GET_GIDS 1567 * @see #GET_CONFIGURATIONS 1568 * @see #GET_INSTRUMENTATION 1569 * @see #GET_PERMISSIONS 1570 * @see #GET_PROVIDERS 1571 * @see #GET_RECEIVERS 1572 * @see #GET_SERVICES 1573 * @see #GET_SIGNATURES 1574 */ 1575 public abstract List<PackageInfo> getPreferredPackages(int flags); 1576 1577 /** 1578 * Add a new preferred activity mapping to the system. This will be used 1579 * to automatically select the given activity component when 1580 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1581 * multiple matching activities and also matches the given filter. 1582 * 1583 * @param filter The set of intents under which this activity will be 1584 * made preferred. 1585 * @param match The IntentFilter match category that this preference 1586 * applies to. 1587 * @param set The set of activities that the user was picking from when 1588 * this preference was made. 1589 * @param activity The component name of the activity that is to be 1590 * preferred. 1591 */ 1592 public abstract void addPreferredActivity(IntentFilter filter, int match, 1593 ComponentName[] set, ComponentName activity); 1594 1595 /** 1596 * Remove all preferred activity mappings, previously added with 1597 * {@link #addPreferredActivity}, from the 1598 * system whose activities are implemented in the given package name. 1599 * 1600 * @param packageName The name of the package whose preferred activity 1601 * mappings are to be removed. 1602 */ 1603 public abstract void clearPackagePreferredActivities(String packageName); 1604 1605 /** 1606 * Retrieve all preferred activities, previously added with 1607 * {@link #addPreferredActivity}, that are 1608 * currently registered with the system. 1609 * 1610 * @param outFilters A list in which to place the filters of all of the 1611 * preferred activities, or null for none. 1612 * @param outActivities A list in which to place the component names of 1613 * all of the preferred activities, or null for none. 1614 * @param packageName An option package in which you would like to limit 1615 * the list. If null, all activities will be returned; if non-null, only 1616 * those activities in the given package are returned. 1617 * 1618 * @return Returns the total number of registered preferred activities 1619 * (the number of distinct IntentFilter records, not the number of unique 1620 * activity components) that were found. 1621 */ 1622 public abstract int getPreferredActivities(List<IntentFilter> outFilters, 1623 List<ComponentName> outActivities, String packageName); 1624 1625 /** 1626 * Set the enabled setting for a package component (activity, receiver, service, provider). 1627 * This setting will override any enabled state which may have been set by the component in its 1628 * manifest. 1629 * 1630 * @param componentName The component to enable 1631 * @param newState The new enabled state for the component. The legal values for this state 1632 * are: 1633 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1634 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1635 * and 1636 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1637 * The last one removes the setting, thereby restoring the component's state to 1638 * whatever was set in it's manifest (or enabled, by default). 1639 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1640 */ 1641 public abstract void setComponentEnabledSetting(ComponentName componentName, 1642 int newState, int flags); 1643 1644 1645 /** 1646 * Return the the enabled setting for a package component (activity, 1647 * receiver, service, provider). This returns the last value set by 1648 * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most 1649 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1650 * the value originally specified in the manifest has not been modified. 1651 * 1652 * @param componentName The component to retrieve. 1653 * @return Returns the current enabled state for the component. May 1654 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1655 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1656 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1657 * component's enabled state is based on the original information in 1658 * the manifest as found in {@link ComponentInfo}. 1659 */ 1660 public abstract int getComponentEnabledSetting(ComponentName componentName); 1661 1662 /** 1663 * Set the enabled setting for an application 1664 * This setting will override any enabled state which may have been set by the application in 1665 * its manifest. It also overrides the enabled state set in the manifest for any of the 1666 * application's components. It does not override any enabled state set by 1667 * {@link #setComponentEnabledSetting} for any of the application's components. 1668 * 1669 * @param packageName The package name of the application to enable 1670 * @param newState The new enabled state for the component. The legal values for this state 1671 * are: 1672 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1673 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1674 * and 1675 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1676 * The last one removes the setting, thereby restoring the applications's state to 1677 * whatever was set in its manifest (or enabled, by default). 1678 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1679 */ 1680 public abstract void setApplicationEnabledSetting(String packageName, 1681 int newState, int flags); 1682 1683 /** 1684 * Return the the enabled setting for an application. This returns 1685 * the last value set by 1686 * {@link #setApplicationEnabledSetting(String, int, int)}; in most 1687 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1688 * the value originally specified in the manifest has not been modified. 1689 * 1690 * @param packageName The component to retrieve. 1691 * @return Returns the current enabled state for the component. May 1692 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1693 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1694 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1695 * application's enabled state is based on the original information in 1696 * the manifest as found in {@link ComponentInfo}. 1697 */ 1698 public abstract int getApplicationEnabledSetting(String packageName); 1699 1700 /** 1701 * Return whether the device has been booted into safe mode. 1702 */ 1703 public abstract boolean isSafeMode(); 1704} 1705