PackageManager.java revision 3274b9b7da6f3ee0ee0285deb955907adec52bad
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.annotation.SdkConstant; 20import android.annotation.SdkConstant.SdkConstantType; 21import android.content.ComponentName; 22import android.content.Context; 23import android.content.Intent; 24import android.content.IntentFilter; 25import android.content.IntentSender; 26import android.content.res.Resources; 27import android.content.res.XmlResourceParser; 28import android.graphics.drawable.Drawable; 29import android.net.Uri; 30import android.util.AndroidException; 31import android.util.DisplayMetrics; 32 33import java.io.File; 34import java.util.List; 35 36/** 37 * Class for retrieving various kinds of information related to the application 38 * packages that are currently installed on the device. 39 * 40 * You can find this class through {@link Context#getPackageManager}. 41 */ 42public abstract class PackageManager { 43 44 /** 45 * This exception is thrown when a given package, application, or component 46 * name can not be found. 47 */ 48 public static class NameNotFoundException extends AndroidException { 49 public NameNotFoundException() { 50 } 51 52 public NameNotFoundException(String name) { 53 super(name); 54 } 55 } 56 57 /** 58 * {@link PackageInfo} flag: return information about 59 * activities in the package in {@link PackageInfo#activities}. 60 */ 61 public static final int GET_ACTIVITIES = 0x00000001; 62 63 /** 64 * {@link PackageInfo} flag: return information about 65 * intent receivers in the package in 66 * {@link PackageInfo#receivers}. 67 */ 68 public static final int GET_RECEIVERS = 0x00000002; 69 70 /** 71 * {@link PackageInfo} flag: return information about 72 * services in the package in {@link PackageInfo#services}. 73 */ 74 public static final int GET_SERVICES = 0x00000004; 75 76 /** 77 * {@link PackageInfo} flag: return information about 78 * content providers in the package in 79 * {@link PackageInfo#providers}. 80 */ 81 public static final int GET_PROVIDERS = 0x00000008; 82 83 /** 84 * {@link PackageInfo} flag: return information about 85 * instrumentation in the package in 86 * {@link PackageInfo#instrumentation}. 87 */ 88 public static final int GET_INSTRUMENTATION = 0x00000010; 89 90 /** 91 * {@link PackageInfo} flag: return information about the 92 * intent filters supported by the activity. 93 */ 94 public static final int GET_INTENT_FILTERS = 0x00000020; 95 96 /** 97 * {@link PackageInfo} flag: return information about the 98 * signatures included in the package. 99 */ 100 public static final int GET_SIGNATURES = 0x00000040; 101 102 /** 103 * {@link ResolveInfo} flag: return the IntentFilter that 104 * was matched for a particular ResolveInfo in 105 * {@link ResolveInfo#filter}. 106 */ 107 public static final int GET_RESOLVED_FILTER = 0x00000040; 108 109 /** 110 * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData} 111 * data {@link android.os.Bundle}s that are associated with a component. 112 * This applies for any API returning a ComponentInfo subclass. 113 */ 114 public static final int GET_META_DATA = 0x00000080; 115 116 /** 117 * {@link PackageInfo} flag: return the 118 * {@link PackageInfo#gids group ids} that are associated with an 119 * application. 120 * This applies for any API returning an PackageInfo class, either 121 * directly or nested inside of another. 122 */ 123 public static final int GET_GIDS = 0x00000100; 124 125 /** 126 * {@link PackageInfo} flag: include disabled components in the returned info. 127 */ 128 public static final int GET_DISABLED_COMPONENTS = 0x00000200; 129 130 /** 131 * {@link ApplicationInfo} flag: return the 132 * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries} 133 * that are associated with an application. 134 * This applies for any API returning an ApplicationInfo class, either 135 * directly or nested inside of another. 136 */ 137 public static final int GET_SHARED_LIBRARY_FILES = 0x00000400; 138 139 /** 140 * {@link ProviderInfo} flag: return the 141 * {@link ProviderInfo#uriPermissionPatterns URI permission patterns} 142 * that are associated with a content provider. 143 * This applies for any API returning an ProviderInfo class, either 144 * directly or nested inside of another. 145 */ 146 public static final int GET_URI_PERMISSION_PATTERNS = 0x00000800; 147 /** 148 * {@link PackageInfo} flag: return information about 149 * permissions in the package in 150 * {@link PackageInfo#permissions}. 151 */ 152 public static final int GET_PERMISSIONS = 0x00001000; 153 154 /** 155 * Flag parameter to retrieve all applications(even uninstalled ones) with data directories. 156 * This state could have resulted if applications have been deleted with flag 157 * DONT_DELETE_DATA 158 * with a possibility of being replaced or reinstalled in future 159 */ 160 public static final int GET_UNINSTALLED_PACKAGES = 0x00002000; 161 162 /** 163 * {@link PackageInfo} flag: return information about 164 * hardware preferences in 165 * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and 166 * requested features in {@link PackageInfo#reqFeatures 167 * PackageInfo.reqFeatures}. 168 */ 169 public static final int GET_CONFIGURATIONS = 0x00004000; 170 171 /** 172 * Resolution and querying flag: if set, only filters that support the 173 * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for 174 * matching. This is a synonym for including the CATEGORY_DEFAULT in your 175 * supplied Intent. 176 */ 177 public static final int MATCH_DEFAULT_ONLY = 0x00010000; 178 179 /** 180 * Permission check result: this is returned by {@link #checkPermission} 181 * if the permission has been granted to the given package. 182 */ 183 public static final int PERMISSION_GRANTED = 0; 184 185 /** 186 * Permission check result: this is returned by {@link #checkPermission} 187 * if the permission has not been granted to the given package. 188 */ 189 public static final int PERMISSION_DENIED = -1; 190 191 /** 192 * Signature check result: this is returned by {@link #checkSignatures} 193 * if the two packages have a matching signature. 194 */ 195 public static final int SIGNATURE_MATCH = 0; 196 197 /** 198 * Signature check result: this is returned by {@link #checkSignatures} 199 * if neither of the two packages is signed. 200 */ 201 public static final int SIGNATURE_NEITHER_SIGNED = 1; 202 203 /** 204 * Signature check result: this is returned by {@link #checkSignatures} 205 * if the first package is not signed, but the second is. 206 */ 207 public static final int SIGNATURE_FIRST_NOT_SIGNED = -1; 208 209 /** 210 * Signature check result: this is returned by {@link #checkSignatures} 211 * if the second package is not signed, but the first is. 212 */ 213 public static final int SIGNATURE_SECOND_NOT_SIGNED = -2; 214 215 /** 216 * Signature check result: this is returned by {@link #checkSignatures} 217 * if both packages are signed but there is no matching signature. 218 */ 219 public static final int SIGNATURE_NO_MATCH = -3; 220 221 /** 222 * Signature check result: this is returned by {@link #checkSignatures} 223 * if either of the given package names are not valid. 224 */ 225 public static final int SIGNATURE_UNKNOWN_PACKAGE = -4; 226 227 public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0; 228 public static final int COMPONENT_ENABLED_STATE_ENABLED = 1; 229 public static final int COMPONENT_ENABLED_STATE_DISABLED = 2; 230 231 /** 232 * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to 233 * indicate that this package should be installed as forward locked, i.e. only the app itself 234 * should have access to it's code and non-resource assets. 235 * @hide 236 */ 237 public static final int INSTALL_FORWARD_LOCK = 0x00000001; 238 239 /** 240 * Flag parameter for {@link #installPackage} to indicate that you want to replace an already 241 * installed package, if one exists. 242 * @hide 243 */ 244 public static final int INSTALL_REPLACE_EXISTING = 0x00000002; 245 246 /** 247 * Flag parameter for {@link #installPackage} to indicate that you want to 248 * allow test packages (those that have set android:testOnly in their 249 * manifest) to be installed. 250 * @hide 251 */ 252 public static final int INSTALL_ALLOW_TEST = 0x00000004; 253 254 /** 255 * Flag parameter for 256 * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate 257 * that you don't want to kill the app containing the component. Be careful when you set this 258 * since changing component states can make the containing application's behavior unpredictable. 259 */ 260 public static final int DONT_KILL_APP = 0x00000001; 261 262 /** 263 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 264 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success. 265 * @hide 266 */ 267 public static final int INSTALL_SUCCEEDED = 1; 268 269 /** 270 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 271 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is 272 * already installed. 273 * @hide 274 */ 275 public static final int INSTALL_FAILED_ALREADY_EXISTS = -1; 276 277 /** 278 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 279 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive 280 * file is invalid. 281 * @hide 282 */ 283 public static final int INSTALL_FAILED_INVALID_APK = -2; 284 285 /** 286 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 287 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in 288 * is invalid. 289 * @hide 290 */ 291 public static final int INSTALL_FAILED_INVALID_URI = -3; 292 293 /** 294 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 295 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager 296 * service found that the device didn't have enough storage space to install the app. 297 * @hide 298 */ 299 public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4; 300 301 /** 302 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 303 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a 304 * package is already installed with the same name. 305 * @hide 306 */ 307 public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5; 308 309 /** 310 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 311 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 312 * the requested shared user does not exist. 313 * @hide 314 */ 315 public static final int INSTALL_FAILED_NO_SHARED_USER = -6; 316 317 /** 318 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 319 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 320 * a previously installed package of the same name has a different signature 321 * than the new package (and the old package's data was not removed). 322 * @hide 323 */ 324 public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7; 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 is requested a shared user which is already installed on the 330 * device and does not have matching signature. 331 * @hide 332 */ 333 public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8; 334 335 /** 336 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 337 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 338 * the new package uses a shared library that is not available. 339 * @hide 340 */ 341 public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9; 342 343 /** 344 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 345 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 346 * the new package uses a shared library that is not available. 347 * @hide 348 */ 349 public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10; 350 351 /** 352 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 353 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 354 * the new package failed while optimizing and validating its dex files, 355 * either because there was not enough storage or the validation failed. 356 * @hide 357 */ 358 public static final int INSTALL_FAILED_DEXOPT = -11; 359 360 /** 361 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 362 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 363 * the new package failed because the current SDK version is older than 364 * that required by the package. 365 * @hide 366 */ 367 public static final int INSTALL_FAILED_OLDER_SDK = -12; 368 369 /** 370 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 371 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 372 * the new package failed because it contains a content provider with the 373 * same authority as a provider already installed in the system. 374 * @hide 375 */ 376 public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13; 377 378 /** 379 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 380 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 381 * the new package failed because the current SDK version is newer than 382 * that required by the package. 383 * @hide 384 */ 385 public static final int INSTALL_FAILED_NEWER_SDK = -14; 386 387 /** 388 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 389 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 390 * the new package failed because it has specified that it is a test-only 391 * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST} 392 * flag. 393 * @hide 394 */ 395 public static final int INSTALL_FAILED_TEST_ONLY = -15; 396 397 /** 398 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 399 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 400 * the package being installed contains native code, but none that is 401 * compatible with the the device's CPU_ABI. 402 * @hide 403 */ 404 public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16; 405 406 /** 407 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 408 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 409 * the new package uses a feature that is not available. 410 * @hide 411 */ 412 public static final int INSTALL_FAILED_MISSING_FEATURE = -17; 413 414 /** 415 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 416 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 417 * if the parser was given a path that is not a file, or does not end with the expected 418 * '.apk' extension. 419 * @hide 420 */ 421 public static final int INSTALL_PARSE_FAILED_NOT_APK = -100; 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 was unable to retrieve the AndroidManifest.xml file. 427 * @hide 428 */ 429 public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101; 430 431 /** 432 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 433 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 434 * if the parser encountered an unexpected exception. 435 * @hide 436 */ 437 public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102; 438 439 /** 440 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 441 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 442 * if the parser did not find any certificates in the .apk. 443 * @hide 444 */ 445 public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103; 446 447 /** 448 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 449 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 450 * if the parser found inconsistent certificates on the files in the .apk. 451 * @hide 452 */ 453 public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104; 454 455 /** 456 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 457 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 458 * if the parser encountered a CertificateEncodingException in one of the 459 * files in the .apk. 460 * @hide 461 */ 462 public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105; 463 464 /** 465 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 466 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 467 * if the parser encountered a bad or missing package name in the manifest. 468 * @hide 469 */ 470 public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106; 471 472 /** 473 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 474 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 475 * if the parser encountered a bad shared user id name in the manifest. 476 * @hide 477 */ 478 public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107; 479 480 /** 481 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 482 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 483 * if the parser encountered some structural problem in the manifest. 484 * @hide 485 */ 486 public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108; 487 488 /** 489 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 490 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 491 * if the parser did not find any actionable tags (instrumentation or application) 492 * in the manifest. 493 * @hide 494 */ 495 public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109; 496 497 /** 498 * Indicates the state of installation. Used by PackageManager to 499 * figure out incomplete installations. Say a package is being installed 500 * (the state is set to PKG_INSTALL_INCOMPLETE) and remains so till 501 * the package installation is successful or unsuccesful lin which case 502 * the PackageManager will no longer maintain state information associated 503 * with the package. If some exception(like device freeze or battery being 504 * pulled out) occurs during installation of a package, the PackageManager 505 * needs this information to clean up the previously failed installation. 506 */ 507 public static final int PKG_INSTALL_INCOMPLETE = 0; 508 public static final int PKG_INSTALL_COMPLETE = 1; 509 510 /** 511 * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the 512 * package's data directory. 513 * 514 * @hide 515 */ 516 public static final int DONT_DELETE_DATA = 0x00000001; 517 518 /** 519 * Feature for {@link #getSystemAvailableFeatures} and 520 * {@link #hasSystemFeature}: The device has a camera facing away 521 * from the screen. 522 */ 523 @SdkConstant(SdkConstantType.FEATURE) 524 public static final String FEATURE_CAMERA = "android.hardware.camera"; 525 526 /** 527 * Feature for {@link #getSystemAvailableFeatures} and 528 * {@link #hasSystemFeature}: The device's camera supports auto-focus. 529 */ 530 @SdkConstant(SdkConstantType.FEATURE) 531 public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus"; 532 533 /** 534 * Feature for {@link #getSystemAvailableFeatures} and 535 * {@link #hasSystemFeature}: The device's camera supports flash. 536 */ 537 @SdkConstant(SdkConstantType.FEATURE) 538 public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash"; 539 540 /** 541 * Feature for {@link #getSystemAvailableFeatures} and 542 * {@link #hasSystemFeature}: The device includes a light sensor. 543 */ 544 @SdkConstant(SdkConstantType.FEATURE) 545 public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light"; 546 547 /** 548 * Feature for {@link #getSystemAvailableFeatures} and 549 * {@link #hasSystemFeature}: The device includes a proximity sensor. 550 */ 551 @SdkConstant(SdkConstantType.FEATURE) 552 public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity"; 553 554 /** 555 * Feature for {@link #getSystemAvailableFeatures} and 556 * {@link #hasSystemFeature}: The device has a telephony radio with data 557 * communication support. 558 */ 559 @SdkConstant(SdkConstantType.FEATURE) 560 public static final String FEATURE_TELEPHONY = "android.hardware.telephony"; 561 562 /** 563 * Feature for {@link #getSystemAvailableFeatures} and 564 * {@link #hasSystemFeature}: The device has a CDMA telephony stack. 565 */ 566 @SdkConstant(SdkConstantType.FEATURE) 567 public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma"; 568 569 /** 570 * Feature for {@link #getSystemAvailableFeatures} and 571 * {@link #hasSystemFeature}: The device has a GSM telephony stack. 572 */ 573 @SdkConstant(SdkConstantType.FEATURE) 574 public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm"; 575 576 /** 577 * Feature for {@link #getSystemAvailableFeatures} and 578 * {@link #hasSystemFeature}: The device's touch screen supports multitouch. 579 */ 580 @SdkConstant(SdkConstantType.FEATURE) 581 public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch"; 582 583 /** 584 * Feature for {@link #getSystemAvailableFeatures} and 585 * {@link #hasSystemFeature}: The device supports live wallpapers. 586 */ 587 @SdkConstant(SdkConstantType.FEATURE) 588 public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper"; 589 590 /** 591 * Retrieve overall information about an application package that is 592 * installed on the system. 593 * 594 * <p>Throws {@link NameNotFoundException} if a package with the given 595 * name can not be found on the system. 596 * 597 * @param packageName The full name (i.e. com.google.apps.contacts) of the 598 * desired package. 599 600 * @param flags Additional option flags. Use any combination of 601 * {@link #GET_ACTIVITIES}, 602 * {@link #GET_GIDS}, 603 * {@link #GET_CONFIGURATIONS}, 604 * {@link #GET_INSTRUMENTATION}, 605 * {@link #GET_PERMISSIONS}, 606 * {@link #GET_PROVIDERS}, 607 * {@link #GET_RECEIVERS}, 608 * {@link #GET_SERVICES}, 609 * {@link #GET_SIGNATURES}, 610 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 611 * 612 * @return Returns a PackageInfo object containing information about the package. 613 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 614 * found in the list of installed applications, the package information is 615 * retrieved from the list of uninstalled applications(which includes 616 * installed applications as well as applications 617 * with data directory ie applications which had been 618 * deleted with DONT_DELTE_DATA flag set). 619 * 620 * @see #GET_ACTIVITIES 621 * @see #GET_GIDS 622 * @see #GET_CONFIGURATIONS 623 * @see #GET_INSTRUMENTATION 624 * @see #GET_PERMISSIONS 625 * @see #GET_PROVIDERS 626 * @see #GET_RECEIVERS 627 * @see #GET_SERVICES 628 * @see #GET_SIGNATURES 629 * @see #GET_UNINSTALLED_PACKAGES 630 * 631 */ 632 public abstract PackageInfo getPackageInfo(String packageName, int flags) 633 throws NameNotFoundException; 634 635 /** 636 * Return a "good" intent to launch a front-door activity in a package, 637 * for use for example to implement an "open" button when browsing through 638 * packages. The current implementation will look first for a main 639 * activity in the category {@link Intent#CATEGORY_INFO}, next for a 640 * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return 641 * null if neither are found. 642 * 643 * <p>Throws {@link NameNotFoundException} if a package with the given 644 * name can not be found on the system. 645 * 646 * @param packageName The name of the package to inspect. 647 * 648 * @return Returns either a fully-qualified Intent that can be used to 649 * launch the main activity in the package, or null if the package does 650 * not contain such an activity. 651 */ 652 public abstract Intent getLaunchIntentForPackage(String packageName); 653 654 /** 655 * Return an array of all of the secondary group-ids that have been 656 * assigned to a package. 657 * 658 * <p>Throws {@link NameNotFoundException} if a package with the given 659 * name can not be found on the system. 660 * 661 * @param packageName The full name (i.e. com.google.apps.contacts) of the 662 * desired package. 663 * 664 * @return Returns an int array of the assigned gids, or null if there 665 * are none. 666 */ 667 public abstract int[] getPackageGids(String packageName) 668 throws NameNotFoundException; 669 670 /** 671 * Retrieve all of the information we know about a particular permission. 672 * 673 * <p>Throws {@link NameNotFoundException} if a permission with the given 674 * name can not be found on the system. 675 * 676 * @param name The fully qualified name (i.e. com.google.permission.LOGIN) 677 * of the permission you are interested in. 678 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 679 * retrieve any meta-data associated with the permission. 680 * 681 * @return Returns a {@link PermissionInfo} containing information about the 682 * permission. 683 */ 684 public abstract PermissionInfo getPermissionInfo(String name, int flags) 685 throws NameNotFoundException; 686 687 /** 688 * Query for all of the permissions associated with a particular group. 689 * 690 * <p>Throws {@link NameNotFoundException} if the given group does not 691 * exist. 692 * 693 * @param group The fully qualified name (i.e. com.google.permission.LOGIN) 694 * of the permission group you are interested in. Use null to 695 * find all of the permissions not associated with a group. 696 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 697 * retrieve any meta-data associated with the permissions. 698 * 699 * @return Returns a list of {@link PermissionInfo} containing information 700 * about all of the permissions in the given group. 701 */ 702 public abstract List<PermissionInfo> queryPermissionsByGroup(String group, 703 int flags) throws NameNotFoundException; 704 705 /** 706 * Retrieve all of the information we know about a particular group of 707 * permissions. 708 * 709 * <p>Throws {@link NameNotFoundException} if a permission group with the given 710 * name can not be found on the system. 711 * 712 * @param name The fully qualified name (i.e. com.google.permission_group.APPS) 713 * of the permission you are interested in. 714 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 715 * retrieve any meta-data associated with the permission group. 716 * 717 * @return Returns a {@link PermissionGroupInfo} containing information 718 * about the permission. 719 */ 720 public abstract PermissionGroupInfo getPermissionGroupInfo(String name, 721 int flags) throws NameNotFoundException; 722 723 /** 724 * Retrieve all of the known permission groups in the system. 725 * 726 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 727 * retrieve any meta-data associated with the permission group. 728 * 729 * @return Returns a list of {@link PermissionGroupInfo} containing 730 * information about all of the known permission groups. 731 */ 732 public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags); 733 734 /** 735 * Retrieve all of the information we know about a particular 736 * package/application. 737 * 738 * <p>Throws {@link NameNotFoundException} if an application with the given 739 * package name can not be found on the system. 740 * 741 * @param packageName The full name (i.e. com.google.apps.contacts) of an 742 * application. 743 * @param flags Additional option flags. Use any combination of 744 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 745 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 746 * 747 * @return {@link ApplicationInfo} Returns ApplicationInfo object containing 748 * information about the package. 749 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 750 * found in the list of installed applications, 751 * the application information is retrieved from the 752 * list of uninstalled applications(which includes 753 * installed applications as well as applications 754 * with data directory ie applications which had been 755 * deleted with DONT_DELTE_DATA flag set). 756 * 757 * @see #GET_META_DATA 758 * @see #GET_SHARED_LIBRARY_FILES 759 * @see #GET_UNINSTALLED_PACKAGES 760 */ 761 public abstract ApplicationInfo getApplicationInfo(String packageName, 762 int flags) throws NameNotFoundException; 763 764 /** 765 * Retrieve all of the information we know about a particular activity 766 * class. 767 * 768 * <p>Throws {@link NameNotFoundException} if an activity with the given 769 * class name can not be found on the system. 770 * 771 * @param className The full name (i.e. 772 * com.google.apps.contacts.ContactsList) of an Activity 773 * class. 774 * @param flags Additional option flags. Use any combination of 775 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 776 * to modify the data (in ApplicationInfo) returned. 777 * 778 * @return {@link ActivityInfo} containing information about the activity. 779 * 780 * @see #GET_INTENT_FILTERS 781 * @see #GET_META_DATA 782 * @see #GET_SHARED_LIBRARY_FILES 783 */ 784 public abstract ActivityInfo getActivityInfo(ComponentName className, 785 int flags) throws NameNotFoundException; 786 787 /** 788 * Retrieve all of the information we know about a particular receiver 789 * class. 790 * 791 * <p>Throws {@link NameNotFoundException} if a receiver with the given 792 * class name can not be found on the system. 793 * 794 * @param className The full name (i.e. 795 * com.google.apps.contacts.CalendarAlarm) of a Receiver 796 * class. 797 * @param flags Additional option flags. Use any combination of 798 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 799 * to modify the data returned. 800 * 801 * @return {@link ActivityInfo} containing information about the receiver. 802 * 803 * @see #GET_INTENT_FILTERS 804 * @see #GET_META_DATA 805 * @see #GET_SHARED_LIBRARY_FILES 806 */ 807 public abstract ActivityInfo getReceiverInfo(ComponentName className, 808 int flags) throws NameNotFoundException; 809 810 /** 811 * Retrieve all of the information we know about a particular service 812 * class. 813 * 814 * <p>Throws {@link NameNotFoundException} if a service with the given 815 * class name can not be found on the system. 816 * 817 * @param className The full name (i.e. 818 * com.google.apps.media.BackgroundPlayback) of a Service 819 * class. 820 * @param flags Additional option flags. Use any combination of 821 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 822 * to modify the data returned. 823 * 824 * @return ServiceInfo containing information about the service. 825 * 826 * @see #GET_META_DATA 827 * @see #GET_SHARED_LIBRARY_FILES 828 */ 829 public abstract ServiceInfo getServiceInfo(ComponentName className, 830 int flags) throws NameNotFoundException; 831 832 /** 833 * Return a List of all packages that are installed 834 * on the device. 835 * 836 * @param flags Additional option flags. Use any combination of 837 * {@link #GET_ACTIVITIES}, 838 * {@link #GET_GIDS}, 839 * {@link #GET_CONFIGURATIONS}, 840 * {@link #GET_INSTRUMENTATION}, 841 * {@link #GET_PERMISSIONS}, 842 * {@link #GET_PROVIDERS}, 843 * {@link #GET_RECEIVERS}, 844 * {@link #GET_SERVICES}, 845 * {@link #GET_SIGNATURES}, 846 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 847 * 848 * @return A List of PackageInfo objects, one for each package that is 849 * installed on the device. In the unlikely case of there being no 850 * installed packages, an empty list is returned. 851 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 852 * applications including those deleted with DONT_DELETE_DATA 853 * (partially installed apps with data directory) will be returned. 854 * 855 * @see #GET_ACTIVITIES 856 * @see #GET_GIDS 857 * @see #GET_CONFIGURATIONS 858 * @see #GET_INSTRUMENTATION 859 * @see #GET_PERMISSIONS 860 * @see #GET_PROVIDERS 861 * @see #GET_RECEIVERS 862 * @see #GET_SERVICES 863 * @see #GET_SIGNATURES 864 * @see #GET_UNINSTALLED_PACKAGES 865 * 866 */ 867 public abstract List<PackageInfo> getInstalledPackages(int flags); 868 869 /** 870 * Check whether a particular package has been granted a particular 871 * permission. 872 * 873 * @param permName The name of the permission you are checking for, 874 * @param pkgName The name of the package you are checking against. 875 * 876 * @return If the package has the permission, PERMISSION_GRANTED is 877 * returned. If it does not have the permission, PERMISSION_DENIED 878 * is returned. 879 * 880 * @see #PERMISSION_GRANTED 881 * @see #PERMISSION_DENIED 882 */ 883 public abstract int checkPermission(String permName, String pkgName); 884 885 /** 886 * Add a new dynamic permission to the system. For this to work, your 887 * package must have defined a permission tree through the 888 * {@link android.R.styleable#AndroidManifestPermissionTree 889 * <permission-tree>} tag in its manifest. A package can only add 890 * permissions to trees that were defined by either its own package or 891 * another with the same user id; a permission is in a tree if it 892 * matches the name of the permission tree + ".": for example, 893 * "com.foo.bar" is a member of the permission tree "com.foo". 894 * 895 * <p>It is good to make your permission tree name descriptive, because you 896 * are taking possession of that entire set of permission names. Thus, it 897 * must be under a domain you control, with a suffix that will not match 898 * any normal permissions that may be declared in any applications that 899 * are part of that domain. 900 * 901 * <p>New permissions must be added before 902 * any .apks are installed that use those permissions. Permissions you 903 * add through this method are remembered across reboots of the device. 904 * If the given permission already exists, the info you supply here 905 * will be used to update it. 906 * 907 * @param info Description of the permission to be added. 908 * 909 * @return Returns true if a new permission was created, false if an 910 * existing one was updated. 911 * 912 * @throws SecurityException if you are not allowed to add the 913 * given permission name. 914 * 915 * @see #removePermission(String) 916 */ 917 public abstract boolean addPermission(PermissionInfo info); 918 919 /** 920 * Removes a permission that was previously added with 921 * {@link #addPermission(PermissionInfo)}. The same ownership rules apply 922 * -- you are only allowed to remove permissions that you are allowed 923 * to add. 924 * 925 * @param name The name of the permission to remove. 926 * 927 * @throws SecurityException if you are not allowed to remove the 928 * given permission name. 929 * 930 * @see #addPermission(PermissionInfo) 931 */ 932 public abstract void removePermission(String name); 933 934 /** 935 * Compare the signatures of two packages to determine if the same 936 * signature appears in both of them. If they do contain the same 937 * signature, then they are allowed special privileges when working 938 * with each other: they can share the same user-id, run instrumentation 939 * against each other, etc. 940 * 941 * @param pkg1 First package name whose signature will be compared. 942 * @param pkg2 Second package name whose signature will be compared. 943 * @return Returns an integer indicating whether there is a matching 944 * signature: the value is >= 0 if there is a match (or neither package 945 * is signed), or < 0 if there is not a match. The match result can be 946 * further distinguished with the success (>= 0) constants 947 * {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or 948 * failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED}, 949 * {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH}, 950 * or {@link #SIGNATURE_UNKNOWN_PACKAGE}. 951 * 952 * @see #checkSignatures(int, int) 953 * @see #SIGNATURE_MATCH 954 * @see #SIGNATURE_NEITHER_SIGNED 955 * @see #SIGNATURE_FIRST_NOT_SIGNED 956 * @see #SIGNATURE_SECOND_NOT_SIGNED 957 * @see #SIGNATURE_NO_MATCH 958 * @see #SIGNATURE_UNKNOWN_PACKAGE 959 */ 960 public abstract int checkSignatures(String pkg1, String pkg2); 961 962 /** 963 * Like {@link #checkSignatures(String, String)}, but takes UIDs of 964 * the two packages to be checked. This can be useful, for example, 965 * when doing the check in an IPC, where the UID is the only identity 966 * available. It is functionally identical to determining the package 967 * associated with the UIDs and checking their signatures. 968 * 969 * @param uid1 First UID whose signature will be compared. 970 * @param uid2 Second UID whose signature will be compared. 971 * @return Returns an integer indicating whether there is a matching 972 * signature: the value is >= 0 if there is a match (or neither package 973 * is signed), or < 0 if there is not a match. The match result can be 974 * further distinguished with the success (>= 0) constants 975 * {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or 976 * failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED}, 977 * {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH}, 978 * or {@link #SIGNATURE_UNKNOWN_PACKAGE}. 979 * 980 * @see #checkSignatures(int, int) 981 * @see #SIGNATURE_MATCH 982 * @see #SIGNATURE_NEITHER_SIGNED 983 * @see #SIGNATURE_FIRST_NOT_SIGNED 984 * @see #SIGNATURE_SECOND_NOT_SIGNED 985 * @see #SIGNATURE_NO_MATCH 986 * @see #SIGNATURE_UNKNOWN_PACKAGE 987 */ 988 public abstract int checkSignatures(int uid1, int uid2); 989 990 /** 991 * Retrieve the names of all packages that are associated with a particular 992 * user id. In most cases, this will be a single package name, the package 993 * that has been assigned that user id. Where there are multiple packages 994 * sharing the same user id through the "sharedUserId" mechanism, all 995 * packages with that id will be returned. 996 * 997 * @param uid The user id for which you would like to retrieve the 998 * associated packages. 999 * 1000 * @return Returns an array of one or more packages assigned to the user 1001 * id, or null if there are no known packages with the given id. 1002 */ 1003 public abstract String[] getPackagesForUid(int uid); 1004 1005 /** 1006 * Retrieve the official name associated with a user id. This name is 1007 * guaranteed to never change, though it is possibly for the underlying 1008 * user id to be changed. That is, if you are storing information about 1009 * user ids in persistent storage, you should use the string returned 1010 * by this function instead of the raw user-id. 1011 * 1012 * @param uid The user id for which you would like to retrieve a name. 1013 * @return Returns a unique name for the given user id, or null if the 1014 * user id is not currently assigned. 1015 */ 1016 public abstract String getNameForUid(int uid); 1017 1018 /** 1019 * Return the user id associated with a shared user name. Multiple 1020 * applications can specify a shared user name in their manifest and thus 1021 * end up using a common uid. This might be used for new applications 1022 * that use an existing shared user name and need to know the uid of the 1023 * shared user. 1024 * 1025 * @param sharedUserName The shared user name whose uid is to be retrieved. 1026 * @return Returns the uid associated with the shared user, or NameNotFoundException 1027 * if the shared user name is not being used by any installed packages 1028 * @hide 1029 */ 1030 public abstract int getUidForSharedUser(String sharedUserName) 1031 throws NameNotFoundException; 1032 1033 /** 1034 * Return a List of all application packages that are installed on the 1035 * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all 1036 * applications including those deleted with DONT_DELETE_DATA(partially 1037 * installed apps with data directory) will be returned. 1038 * 1039 * @param flags Additional option flags. Use any combination of 1040 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 1041 * {link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 1042 * 1043 * @return A List of ApplicationInfo objects, one for each application that 1044 * is installed on the device. In the unlikely case of there being 1045 * no installed applications, an empty list is returned. 1046 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 1047 * applications including those deleted with DONT_DELETE_DATA 1048 * (partially installed apps with data directory) will be returned. 1049 * 1050 * @see #GET_META_DATA 1051 * @see #GET_SHARED_LIBRARY_FILES 1052 * @see #GET_UNINSTALLED_PACKAGES 1053 */ 1054 public abstract List<ApplicationInfo> getInstalledApplications(int flags); 1055 1056 /** 1057 * Get a list of shared libraries that are available on the 1058 * system. 1059 * 1060 * @return An array of shared library names that are 1061 * available on the system, or null if none are installed. 1062 * 1063 */ 1064 public abstract String[] getSystemSharedLibraryNames(); 1065 1066 /** 1067 * Get a list of features that are available on the 1068 * system. 1069 * 1070 * @return An array of FeatureInfo classes describing the features 1071 * that are available on the system, or null if there are none(!!). 1072 */ 1073 public abstract FeatureInfo[] getSystemAvailableFeatures(); 1074 1075 /** 1076 * Check whether the given feature name is one of the available 1077 * features as returned by {@link #getSystemAvailableFeatures()}. 1078 * 1079 * @return Returns true if the devices supports the feature, else 1080 * false. 1081 */ 1082 public abstract boolean hasSystemFeature(String name); 1083 1084 /** 1085 * Determine the best action to perform for a given Intent. This is how 1086 * {@link Intent#resolveActivity} finds an activity if a class has not 1087 * been explicitly specified. 1088 * 1089 * @param intent An intent containing all of the desired specification 1090 * (action, data, type, category, and/or component). 1091 * @param flags Additional option flags. The most important is 1092 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1093 * those activities that support the CATEGORY_DEFAULT. 1094 * 1095 * @return Returns a ResolveInfo containing the final activity intent that 1096 * was determined to be the best action. Returns null if no 1097 * matching activity was found. 1098 * 1099 * @see #MATCH_DEFAULT_ONLY 1100 * @see #GET_INTENT_FILTERS 1101 * @see #GET_RESOLVED_FILTER 1102 */ 1103 public abstract ResolveInfo resolveActivity(Intent intent, int flags); 1104 1105 /** 1106 * Retrieve all activities that can be performed for the given intent. 1107 * 1108 * @param intent The desired intent as per resolveActivity(). 1109 * @param flags Additional option flags. The most important is 1110 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1111 * those activities that support the CATEGORY_DEFAULT. 1112 * 1113 * @return A List<ResolveInfo> containing one entry for each matching 1114 * Activity. These are ordered from best to worst match -- that 1115 * is, the first item in the list is what is returned by 1116 * resolveActivity(). If there are no matching activities, an empty 1117 * list is returned. 1118 * 1119 * @see #MATCH_DEFAULT_ONLY 1120 * @see #GET_INTENT_FILTERS 1121 * @see #GET_RESOLVED_FILTER 1122 */ 1123 public abstract List<ResolveInfo> queryIntentActivities(Intent intent, 1124 int flags); 1125 1126 /** 1127 * Retrieve a set of activities that should be presented to the user as 1128 * similar options. This is like {@link #queryIntentActivities}, except it 1129 * also allows you to supply a list of more explicit Intents that you would 1130 * like to resolve to particular options, and takes care of returning the 1131 * final ResolveInfo list in a reasonable order, with no duplicates, based 1132 * on those inputs. 1133 * 1134 * @param caller The class name of the activity that is making the 1135 * request. This activity will never appear in the output 1136 * list. Can be null. 1137 * @param specifics An array of Intents that should be resolved to the 1138 * first specific results. Can be null. 1139 * @param intent The desired intent as per resolveActivity(). 1140 * @param flags Additional option flags. The most important is 1141 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1142 * those activities that support the CATEGORY_DEFAULT. 1143 * 1144 * @return A List<ResolveInfo> containing one entry for each matching 1145 * Activity. These are ordered first by all of the intents resolved 1146 * in <var>specifics</var> and then any additional activities that 1147 * can handle <var>intent</var> but did not get included by one of 1148 * the <var>specifics</var> intents. If there are no matching 1149 * activities, an empty list is returned. 1150 * 1151 * @see #MATCH_DEFAULT_ONLY 1152 * @see #GET_INTENT_FILTERS 1153 * @see #GET_RESOLVED_FILTER 1154 */ 1155 public abstract List<ResolveInfo> queryIntentActivityOptions( 1156 ComponentName caller, Intent[] specifics, Intent intent, int flags); 1157 1158 /** 1159 * Retrieve all receivers that can handle a broadcast of the given intent. 1160 * 1161 * @param intent The desired intent as per resolveActivity(). 1162 * @param flags Additional option flags. The most important is 1163 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1164 * those activities that support the CATEGORY_DEFAULT. 1165 * 1166 * @return A List<ResolveInfo> containing one entry for each matching 1167 * Receiver. These are ordered from first to last in priority. If 1168 * there are no matching receivers, an empty list is returned. 1169 * 1170 * @see #MATCH_DEFAULT_ONLY 1171 * @see #GET_INTENT_FILTERS 1172 * @see #GET_RESOLVED_FILTER 1173 */ 1174 public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent, 1175 int flags); 1176 1177 /** 1178 * Determine the best service to handle for a given Intent. 1179 * 1180 * @param intent An intent containing all of the desired specification 1181 * (action, data, type, category, and/or component). 1182 * @param flags Additional option flags. 1183 * 1184 * @return Returns a ResolveInfo containing the final service intent that 1185 * was determined to be the best action. Returns null if no 1186 * matching service was found. 1187 * 1188 * @see #GET_INTENT_FILTERS 1189 * @see #GET_RESOLVED_FILTER 1190 */ 1191 public abstract ResolveInfo resolveService(Intent intent, int flags); 1192 1193 /** 1194 * Retrieve all services that can match the given intent. 1195 * 1196 * @param intent The desired intent as per resolveService(). 1197 * @param flags Additional option flags. 1198 * 1199 * @return A List<ResolveInfo> containing one entry for each matching 1200 * ServiceInfo. These are ordered from best to worst match -- that 1201 * is, the first item in the list is what is returned by 1202 * resolveService(). If there are no matching services, an empty 1203 * list is returned. 1204 * 1205 * @see #GET_INTENT_FILTERS 1206 * @see #GET_RESOLVED_FILTER 1207 */ 1208 public abstract List<ResolveInfo> queryIntentServices(Intent intent, 1209 int flags); 1210 1211 /** 1212 * Find a single content provider by its base path name. 1213 * 1214 * @param name The name of the provider to find. 1215 * @param flags Additional option flags. Currently should always be 0. 1216 * 1217 * @return ContentProviderInfo Information about the provider, if found, 1218 * else null. 1219 */ 1220 public abstract ProviderInfo resolveContentProvider(String name, 1221 int flags); 1222 1223 /** 1224 * Retrieve content provider information. 1225 * 1226 * <p><em>Note: unlike most other methods, an empty result set is indicated 1227 * by a null return instead of an empty list.</em> 1228 * 1229 * @param processName If non-null, limits the returned providers to only 1230 * those that are hosted by the given process. If null, 1231 * all content providers are returned. 1232 * @param uid If <var>processName</var> is non-null, this is the required 1233 * uid owning the requested content providers. 1234 * @param flags Additional option flags. Currently should always be 0. 1235 * 1236 * @return A List<ContentProviderInfo> containing one entry for each 1237 * content provider either patching <var>processName</var> or, if 1238 * <var>processName</var> is null, all known content providers. 1239 * <em>If there are no matching providers, null is returned.</em> 1240 */ 1241 public abstract List<ProviderInfo> queryContentProviders( 1242 String processName, int uid, int flags); 1243 1244 /** 1245 * Retrieve all of the information we know about a particular 1246 * instrumentation class. 1247 * 1248 * <p>Throws {@link NameNotFoundException} if instrumentation with the 1249 * given class name can not be found on the system. 1250 * 1251 * @param className The full name (i.e. 1252 * com.google.apps.contacts.InstrumentList) of an 1253 * Instrumentation class. 1254 * @param flags Additional option flags. Currently should always be 0. 1255 * 1256 * @return InstrumentationInfo containing information about the 1257 * instrumentation. 1258 */ 1259 public abstract InstrumentationInfo getInstrumentationInfo( 1260 ComponentName className, int flags) throws NameNotFoundException; 1261 1262 /** 1263 * Retrieve information about available instrumentation code. May be used 1264 * to retrieve either all instrumentation code, or only the code targeting 1265 * a particular package. 1266 * 1267 * @param targetPackage If null, all instrumentation is returned; only the 1268 * instrumentation targeting this package name is 1269 * returned. 1270 * @param flags Additional option flags. Currently should always be 0. 1271 * 1272 * @return A List<InstrumentationInfo> containing one entry for each 1273 * matching available Instrumentation. Returns an empty list if 1274 * there is no instrumentation available for the given package. 1275 */ 1276 public abstract List<InstrumentationInfo> queryInstrumentation( 1277 String targetPackage, int flags); 1278 1279 /** 1280 * Retrieve an image from a package. This is a low-level API used by 1281 * the various package manager info structures (such as 1282 * {@link ComponentInfo} to implement retrieval of their associated 1283 * icon. 1284 * 1285 * @param packageName The name of the package that this icon is coming from. 1286 * Can not be null. 1287 * @param resid The resource identifier of the desired image. Can not be 0. 1288 * @param appInfo Overall information about <var>packageName</var>. This 1289 * may be null, in which case the application information will be retrieved 1290 * for you if needed; if you already have this information around, it can 1291 * be much more efficient to supply it here. 1292 * 1293 * @return Returns a Drawable holding the requested image. Returns null if 1294 * an image could not be found for any reason. 1295 */ 1296 public abstract Drawable getDrawable(String packageName, int resid, 1297 ApplicationInfo appInfo); 1298 1299 /** 1300 * Retrieve the icon associated with an activity. Given the full name of 1301 * an activity, retrieves the information about it and calls 1302 * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon. 1303 * If the activity can not be found, NameNotFoundException is thrown. 1304 * 1305 * @param activityName Name of the activity whose icon is to be retrieved. 1306 * 1307 * @return Returns the image of the icon, or the default activity icon if 1308 * it could not be found. Does not return null. 1309 * @throws NameNotFoundException Thrown if the resources for the given 1310 * activity could not be loaded. 1311 * 1312 * @see #getActivityIcon(Intent) 1313 */ 1314 public abstract Drawable getActivityIcon(ComponentName activityName) 1315 throws NameNotFoundException; 1316 1317 /** 1318 * Retrieve the icon associated with an Intent. If intent.getClassName() is 1319 * set, this simply returns the result of 1320 * getActivityIcon(intent.getClassName()). Otherwise it resolves the intent's 1321 * component and returns the icon associated with the resolved component. 1322 * If intent.getClassName() can not be found or the Intent can not be resolved 1323 * to a component, NameNotFoundException is thrown. 1324 * 1325 * @param intent The intent for which you would like to retrieve an icon. 1326 * 1327 * @return Returns the image of the icon, or the default activity icon if 1328 * it could not be found. Does not return null. 1329 * @throws NameNotFoundException Thrown if the resources for application 1330 * matching the given intent could not be loaded. 1331 * 1332 * @see #getActivityIcon(ComponentName) 1333 */ 1334 public abstract Drawable getActivityIcon(Intent intent) 1335 throws NameNotFoundException; 1336 1337 /** 1338 * Return the generic icon for an activity that is used when no specific 1339 * icon is defined. 1340 * 1341 * @return Drawable Image of the icon. 1342 */ 1343 public abstract Drawable getDefaultActivityIcon(); 1344 1345 /** 1346 * Retrieve the icon associated with an application. If it has not defined 1347 * an icon, the default app icon is returned. Does not return null. 1348 * 1349 * @param info Information about application being queried. 1350 * 1351 * @return Returns the image of the icon, or the default application icon 1352 * if it could not be found. 1353 * 1354 * @see #getApplicationIcon(String) 1355 */ 1356 public abstract Drawable getApplicationIcon(ApplicationInfo info); 1357 1358 /** 1359 * Retrieve the icon associated with an application. Given the name of the 1360 * application's package, retrieves the information about it and calls 1361 * getApplicationIcon() to return its icon. If the application can not be 1362 * found, NameNotFoundException is thrown. 1363 * 1364 * @param packageName Name of the package whose application icon is to be 1365 * retrieved. 1366 * 1367 * @return Returns the image of the icon, or the default application icon 1368 * if it could not be found. Does not return null. 1369 * @throws NameNotFoundException Thrown if the resources for the given 1370 * application could not be loaded. 1371 * 1372 * @see #getApplicationIcon(ApplicationInfo) 1373 */ 1374 public abstract Drawable getApplicationIcon(String packageName) 1375 throws NameNotFoundException; 1376 1377 /** 1378 * Retrieve text from a package. This is a low-level API used by 1379 * the various package manager info structures (such as 1380 * {@link ComponentInfo} to implement retrieval of their associated 1381 * labels and other text. 1382 * 1383 * @param packageName The name of the package that this text is coming from. 1384 * Can not be null. 1385 * @param resid The resource identifier of the desired text. Can not be 0. 1386 * @param appInfo Overall information about <var>packageName</var>. This 1387 * may be null, in which case the application information will be retrieved 1388 * for you if needed; if you already have this information around, it can 1389 * be much more efficient to supply it here. 1390 * 1391 * @return Returns a CharSequence holding the requested text. Returns null 1392 * if the text could not be found for any reason. 1393 */ 1394 public abstract CharSequence getText(String packageName, int resid, 1395 ApplicationInfo appInfo); 1396 1397 /** 1398 * Retrieve an XML file from a package. This is a low-level API used to 1399 * retrieve XML meta data. 1400 * 1401 * @param packageName The name of the package that this xml is coming from. 1402 * Can not be null. 1403 * @param resid The resource identifier of the desired xml. Can not be 0. 1404 * @param appInfo Overall information about <var>packageName</var>. This 1405 * may be null, in which case the application information will be retrieved 1406 * for you if needed; if you already have this information around, it can 1407 * be much more efficient to supply it here. 1408 * 1409 * @return Returns an XmlPullParser allowing you to parse out the XML 1410 * data. Returns null if the xml resource could not be found for any 1411 * reason. 1412 */ 1413 public abstract XmlResourceParser getXml(String packageName, int resid, 1414 ApplicationInfo appInfo); 1415 1416 /** 1417 * Return the label to use for this application. 1418 * 1419 * @return Returns the label associated with this application, or null if 1420 * it could not be found for any reason. 1421 * @param info The application to get the label of 1422 */ 1423 public abstract CharSequence getApplicationLabel(ApplicationInfo info); 1424 1425 /** 1426 * Retrieve the resources associated with an activity. Given the full 1427 * name of an activity, retrieves the information about it and calls 1428 * getResources() to return its application's resources. If the activity 1429 * can not be found, NameNotFoundException is thrown. 1430 * 1431 * @param activityName Name of the activity whose resources are to be 1432 * retrieved. 1433 * 1434 * @return Returns the application's Resources. 1435 * @throws NameNotFoundException Thrown if the resources for the given 1436 * application could not be loaded. 1437 * 1438 * @see #getResourcesForApplication(ApplicationInfo) 1439 */ 1440 public abstract Resources getResourcesForActivity(ComponentName activityName) 1441 throws NameNotFoundException; 1442 1443 /** 1444 * Retrieve the resources for an application. Throws NameNotFoundException 1445 * if the package is no longer installed. 1446 * 1447 * @param app Information about the desired application. 1448 * 1449 * @return Returns the application's Resources. 1450 * @throws NameNotFoundException Thrown if the resources for the given 1451 * application could not be loaded (most likely because it was uninstalled). 1452 */ 1453 public abstract Resources getResourcesForApplication(ApplicationInfo app) 1454 throws NameNotFoundException; 1455 1456 /** 1457 * Retrieve the resources associated with an application. Given the full 1458 * package name of an application, retrieves the information about it and 1459 * calls getResources() to return its application's resources. If the 1460 * appPackageName can not be found, NameNotFoundException is thrown. 1461 * 1462 * @param appPackageName Package name of the application whose resources 1463 * are to be retrieved. 1464 * 1465 * @return Returns the application's Resources. 1466 * @throws NameNotFoundException Thrown if the resources for the given 1467 * application could not be loaded. 1468 * 1469 * @see #getResourcesForApplication(ApplicationInfo) 1470 */ 1471 public abstract Resources getResourcesForApplication(String appPackageName) 1472 throws NameNotFoundException; 1473 1474 /** 1475 * Retrieve overall information about an application package defined 1476 * in a package archive file 1477 * 1478 * @param archiveFilePath The path to the archive file 1479 * @param flags Additional option flags. Use any combination of 1480 * {@link #GET_ACTIVITIES}, 1481 * {@link #GET_GIDS}, 1482 * {@link #GET_CONFIGURATIONS}, 1483 * {@link #GET_INSTRUMENTATION}, 1484 * {@link #GET_PERMISSIONS}, 1485 * {@link #GET_PROVIDERS}, 1486 * {@link #GET_RECEIVERS}, 1487 * {@link #GET_SERVICES}, 1488 * {@link #GET_SIGNATURES}, to modify the data returned. 1489 * 1490 * @return Returns the information about the package. Returns 1491 * null if the package could not be successfully parsed. 1492 * 1493 * @see #GET_ACTIVITIES 1494 * @see #GET_GIDS 1495 * @see #GET_CONFIGURATIONS 1496 * @see #GET_INSTRUMENTATION 1497 * @see #GET_PERMISSIONS 1498 * @see #GET_PROVIDERS 1499 * @see #GET_RECEIVERS 1500 * @see #GET_SERVICES 1501 * @see #GET_SIGNATURES 1502 * 1503 */ 1504 public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) { 1505 PackageParser packageParser = new PackageParser(archiveFilePath); 1506 DisplayMetrics metrics = new DisplayMetrics(); 1507 metrics.setToDefaults(); 1508 final File sourceFile = new File(archiveFilePath); 1509 PackageParser.Package pkg = packageParser.parsePackage( 1510 sourceFile, archiveFilePath, metrics, 0); 1511 if (pkg == null) { 1512 return null; 1513 } 1514 return PackageParser.generatePackageInfo(pkg, null, flags); 1515 } 1516 1517 /** 1518 * @hide 1519 * 1520 * Install a package. Since this may take a little while, the result will 1521 * be posted back to the given observer. An installation will fail if the calling context 1522 * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the 1523 * package named in the package file's manifest is already installed, or if there's no space 1524 * available on the device. 1525 * 1526 * @param packageURI The location of the package file to install. This can be a 'file:' or a 1527 * 'content:' URI. 1528 * @param observer An observer callback to get notified when the package installation is 1529 * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be 1530 * called when that happens. observer may be null to indicate that no callback is desired. 1531 * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK}, 1532 * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}. 1533 * @param installerPackageName Optional package name of the application that is performing the 1534 * installation. This identifies which market the package came from. 1535 */ 1536 public abstract void installPackage( 1537 Uri packageURI, IPackageInstallObserver observer, int flags, 1538 String installerPackageName); 1539 1540 /** 1541 * Attempts to delete a package. Since this may take a little while, the result will 1542 * be posted back to the given observer. A deletion will fail if the calling context 1543 * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the 1544 * named package cannot be found, or if the named package is a "system package". 1545 * (TODO: include pointer to documentation on "system packages") 1546 * 1547 * @param packageName The name of the package to delete 1548 * @param observer An observer callback to get notified when the package deletion is 1549 * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be 1550 * called when that happens. observer may be null to indicate that no callback is desired. 1551 * @param flags - possible values: {@link #DONT_DELETE_DATA} 1552 * 1553 * @hide 1554 */ 1555 public abstract void deletePackage( 1556 String packageName, IPackageDeleteObserver observer, int flags); 1557 1558 /** 1559 * Retrieve the package name of the application that installed a package. This identifies 1560 * which market the package came from. 1561 * 1562 * @param packageName The name of the package to query 1563 */ 1564 public abstract String getInstallerPackageName(String packageName); 1565 1566 /** 1567 * Attempts to clear the user data directory of an application. 1568 * Since this may take a little while, the result will 1569 * be posted back to the given observer. A deletion will fail if the 1570 * named package cannot be found, or if the named package is a "system package". 1571 * 1572 * @param packageName The name of the package 1573 * @param observer An observer callback to get notified when the operation is finished 1574 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1575 * will be called when that happens. observer may be null to indicate that 1576 * no callback is desired. 1577 * 1578 * @hide 1579 */ 1580 public abstract void clearApplicationUserData(String packageName, 1581 IPackageDataObserver observer); 1582 /** 1583 * Attempts to delete the cache files associated with an application. 1584 * Since this may take a little while, the result will 1585 * be posted back to the given observer. A deletion will fail if the calling context 1586 * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the 1587 * named package cannot be found, or if the named package is a "system package". 1588 * 1589 * @param packageName The name of the package to delete 1590 * @param observer An observer callback to get notified when the cache file deletion 1591 * is complete. 1592 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1593 * will be called when that happens. observer may be null to indicate that 1594 * no callback is desired. 1595 * 1596 * @hide 1597 */ 1598 public abstract void deleteApplicationCacheFiles(String packageName, 1599 IPackageDataObserver observer); 1600 1601 /** 1602 * Free storage by deleting LRU sorted list of cache files across 1603 * all applications. If the currently available free storage 1604 * on the device is greater than or equal to the requested 1605 * free storage, no cache files are cleared. If the currently 1606 * available storage on the device is less than the requested 1607 * free storage, some or all of the cache files across 1608 * all applications are deleted (based on last accessed time) 1609 * to increase the free storage space on the device to 1610 * the requested value. There is no guarantee that clearing all 1611 * the cache files from all applications will clear up 1612 * enough storage to achieve the desired value. 1613 * @param freeStorageSize The number of bytes of storage to be 1614 * freed by the system. Say if freeStorageSize is XX, 1615 * and the current free storage is YY, 1616 * if XX is less than YY, just return. if not free XX-YY number 1617 * of bytes if possible. 1618 * @param observer call back used to notify when 1619 * the operation is completed 1620 * 1621 * @hide 1622 */ 1623 public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer); 1624 1625 /** 1626 * Free storage by deleting LRU sorted list of cache files across 1627 * all applications. If the currently available free storage 1628 * on the device is greater than or equal to the requested 1629 * free storage, no cache files are cleared. If the currently 1630 * available storage on the device is less than the requested 1631 * free storage, some or all of the cache files across 1632 * all applications are deleted (based on last accessed time) 1633 * to increase the free storage space on the device to 1634 * the requested value. There is no guarantee that clearing all 1635 * the cache files from all applications will clear up 1636 * enough storage to achieve the desired value. 1637 * @param freeStorageSize The number of bytes of storage to be 1638 * freed by the system. Say if freeStorageSize is XX, 1639 * and the current free storage is YY, 1640 * if XX is less than YY, just return. if not free XX-YY number 1641 * of bytes if possible. 1642 * @param pi IntentSender call back used to 1643 * notify when the operation is completed.May be null 1644 * to indicate that no call back is desired. 1645 * 1646 * @hide 1647 */ 1648 public abstract void freeStorage(long freeStorageSize, IntentSender pi); 1649 1650 /** 1651 * Retrieve the size information for a package. 1652 * Since this may take a little while, the result will 1653 * be posted back to the given observer. The calling context 1654 * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission. 1655 * 1656 * @param packageName The name of the package whose size information is to be retrieved 1657 * @param observer An observer callback to get notified when the operation 1658 * is complete. 1659 * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)} 1660 * The observer's callback is invoked with a PackageStats object(containing the 1661 * code, data and cache sizes of the package) and a boolean value representing 1662 * the status of the operation. observer may be null to indicate that 1663 * no callback is desired. 1664 * 1665 * @hide 1666 */ 1667 public abstract void getPackageSizeInfo(String packageName, 1668 IPackageStatsObserver observer); 1669 1670 /** 1671 * @deprecated This function no longer does anything; it was an old 1672 * approach to managing preferred activities, which has been superceeded 1673 * (and conflicts with) the modern activity-based preferences. 1674 */ 1675 @Deprecated 1676 public abstract void addPackageToPreferred(String packageName); 1677 1678 /** 1679 * @deprecated This function no longer does anything; it was an old 1680 * approach to managing preferred activities, which has been superceeded 1681 * (and conflicts with) the modern activity-based preferences. 1682 */ 1683 @Deprecated 1684 public abstract void removePackageFromPreferred(String packageName); 1685 1686 /** 1687 * Retrieve the list of all currently configured preferred packages. The 1688 * first package on the list is the most preferred, the last is the 1689 * least preferred. 1690 * 1691 * @param flags Additional option flags. Use any combination of 1692 * {@link #GET_ACTIVITIES}, 1693 * {@link #GET_GIDS}, 1694 * {@link #GET_CONFIGURATIONS}, 1695 * {@link #GET_INSTRUMENTATION}, 1696 * {@link #GET_PERMISSIONS}, 1697 * {@link #GET_PROVIDERS}, 1698 * {@link #GET_RECEIVERS}, 1699 * {@link #GET_SERVICES}, 1700 * {@link #GET_SIGNATURES}, to modify the data returned. 1701 * 1702 * @return Returns a list of PackageInfo objects describing each 1703 * preferred application, in order of preference. 1704 * 1705 * @see #GET_ACTIVITIES 1706 * @see #GET_GIDS 1707 * @see #GET_CONFIGURATIONS 1708 * @see #GET_INSTRUMENTATION 1709 * @see #GET_PERMISSIONS 1710 * @see #GET_PROVIDERS 1711 * @see #GET_RECEIVERS 1712 * @see #GET_SERVICES 1713 * @see #GET_SIGNATURES 1714 */ 1715 public abstract List<PackageInfo> getPreferredPackages(int flags); 1716 1717 /** 1718 * Add a new preferred activity mapping to the system. This will be used 1719 * to automatically select the given activity component when 1720 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1721 * multiple matching activities and also matches the given filter. 1722 * 1723 * @param filter The set of intents under which this activity will be 1724 * made preferred. 1725 * @param match The IntentFilter match category that this preference 1726 * applies to. 1727 * @param set The set of activities that the user was picking from when 1728 * this preference was made. 1729 * @param activity The component name of the activity that is to be 1730 * preferred. 1731 */ 1732 public abstract void addPreferredActivity(IntentFilter filter, int match, 1733 ComponentName[] set, ComponentName activity); 1734 1735 /** 1736 * Replaces an existing preferred activity mapping to the system, and if that were not present 1737 * adds a new preferred activity. This will be used 1738 * to automatically select the given activity component when 1739 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1740 * multiple matching activities and also matches the given filter. 1741 * 1742 * @param filter The set of intents under which this activity will be 1743 * made preferred. 1744 * @param match The IntentFilter match category that this preference 1745 * applies to. 1746 * @param set The set of activities that the user was picking from when 1747 * this preference was made. 1748 * @param activity The component name of the activity that is to be 1749 * preferred. 1750 * @hide 1751 */ 1752 public abstract void replacePreferredActivity(IntentFilter filter, int match, 1753 ComponentName[] set, ComponentName activity); 1754 1755 /** 1756 * Remove all preferred activity mappings, previously added with 1757 * {@link #addPreferredActivity}, from the 1758 * system whose activities are implemented in the given package name. 1759 * 1760 * @param packageName The name of the package whose preferred activity 1761 * mappings are to be removed. 1762 */ 1763 public abstract void clearPackagePreferredActivities(String packageName); 1764 1765 /** 1766 * Retrieve all preferred activities, previously added with 1767 * {@link #addPreferredActivity}, that are 1768 * currently registered with the system. 1769 * 1770 * @param outFilters A list in which to place the filters of all of the 1771 * preferred activities, or null for none. 1772 * @param outActivities A list in which to place the component names of 1773 * all of the preferred activities, or null for none. 1774 * @param packageName An option package in which you would like to limit 1775 * the list. If null, all activities will be returned; if non-null, only 1776 * those activities in the given package are returned. 1777 * 1778 * @return Returns the total number of registered preferred activities 1779 * (the number of distinct IntentFilter records, not the number of unique 1780 * activity components) that were found. 1781 */ 1782 public abstract int getPreferredActivities(List<IntentFilter> outFilters, 1783 List<ComponentName> outActivities, String packageName); 1784 1785 /** 1786 * Set the enabled setting for a package component (activity, receiver, service, provider). 1787 * This setting will override any enabled state which may have been set by the component in its 1788 * manifest. 1789 * 1790 * @param componentName The component to enable 1791 * @param newState The new enabled state for the component. The legal values for this state 1792 * are: 1793 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1794 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1795 * and 1796 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1797 * The last one removes the setting, thereby restoring the component's state to 1798 * whatever was set in it's manifest (or enabled, by default). 1799 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1800 */ 1801 public abstract void setComponentEnabledSetting(ComponentName componentName, 1802 int newState, int flags); 1803 1804 1805 /** 1806 * Return the the enabled setting for a package component (activity, 1807 * receiver, service, provider). This returns the last value set by 1808 * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most 1809 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1810 * the value originally specified in the manifest has not been modified. 1811 * 1812 * @param componentName The component to retrieve. 1813 * @return Returns the current enabled state for the component. May 1814 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1815 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1816 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1817 * component's enabled state is based on the original information in 1818 * the manifest as found in {@link ComponentInfo}. 1819 */ 1820 public abstract int getComponentEnabledSetting(ComponentName componentName); 1821 1822 /** 1823 * Set the enabled setting for an application 1824 * This setting will override any enabled state which may have been set by the application in 1825 * its manifest. It also overrides the enabled state set in the manifest for any of the 1826 * application's components. It does not override any enabled state set by 1827 * {@link #setComponentEnabledSetting} for any of the application's components. 1828 * 1829 * @param packageName The package name of the application to enable 1830 * @param newState The new enabled state for the component. The legal values for this state 1831 * are: 1832 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1833 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1834 * and 1835 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1836 * The last one removes the setting, thereby restoring the applications's state to 1837 * whatever was set in its manifest (or enabled, by default). 1838 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1839 */ 1840 public abstract void setApplicationEnabledSetting(String packageName, 1841 int newState, int flags); 1842 1843 /** 1844 * Return the the enabled setting for an application. This returns 1845 * the last value set by 1846 * {@link #setApplicationEnabledSetting(String, int, int)}; in most 1847 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1848 * the value originally specified in the manifest has not been modified. 1849 * 1850 * @param packageName The component to retrieve. 1851 * @return Returns the current enabled state for the component. May 1852 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1853 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1854 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1855 * application's enabled state is based on the original information in 1856 * the manifest as found in {@link ComponentInfo}. 1857 */ 1858 public abstract int getApplicationEnabledSetting(String packageName); 1859 1860 /** 1861 * Return whether the device has been booted into safe mode. 1862 */ 1863 public abstract boolean isSafeMode(); 1864} 1865