PackageManager.java revision 1228d0a1dddb8c03474ee3823499936a8b1d850c
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.os.Environment; 31import android.os.StatFs; 32import android.util.AndroidException; 33import android.util.DisplayMetrics; 34 35import java.io.File; 36import java.util.List; 37 38/** 39 * Class for retrieving various kinds of information related to the application 40 * packages that are currently installed on the device. 41 * 42 * You can find this class through {@link Context#getPackageManager}. 43 */ 44public abstract class PackageManager { 45 46 /** 47 * This exception is thrown when a given package, application, or component 48 * name can not be found. 49 */ 50 public static class NameNotFoundException extends AndroidException { 51 public NameNotFoundException() { 52 } 53 54 public NameNotFoundException(String name) { 55 super(name); 56 } 57 } 58 59 /** 60 * {@link PackageInfo} flag: return information about 61 * activities in the package in {@link PackageInfo#activities}. 62 */ 63 public static final int GET_ACTIVITIES = 0x00000001; 64 65 /** 66 * {@link PackageInfo} flag: return information about 67 * intent receivers in the package in 68 * {@link PackageInfo#receivers}. 69 */ 70 public static final int GET_RECEIVERS = 0x00000002; 71 72 /** 73 * {@link PackageInfo} flag: return information about 74 * services in the package in {@link PackageInfo#services}. 75 */ 76 public static final int GET_SERVICES = 0x00000004; 77 78 /** 79 * {@link PackageInfo} flag: return information about 80 * content providers in the package in 81 * {@link PackageInfo#providers}. 82 */ 83 public static final int GET_PROVIDERS = 0x00000008; 84 85 /** 86 * {@link PackageInfo} flag: return information about 87 * instrumentation in the package in 88 * {@link PackageInfo#instrumentation}. 89 */ 90 public static final int GET_INSTRUMENTATION = 0x00000010; 91 92 /** 93 * {@link PackageInfo} flag: return information about the 94 * intent filters supported by the activity. 95 */ 96 public static final int GET_INTENT_FILTERS = 0x00000020; 97 98 /** 99 * {@link PackageInfo} flag: return information about the 100 * signatures included in the package. 101 */ 102 public static final int GET_SIGNATURES = 0x00000040; 103 104 /** 105 * {@link ResolveInfo} flag: return the IntentFilter that 106 * was matched for a particular ResolveInfo in 107 * {@link ResolveInfo#filter}. 108 */ 109 public static final int GET_RESOLVED_FILTER = 0x00000040; 110 111 /** 112 * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData} 113 * data {@link android.os.Bundle}s that are associated with a component. 114 * This applies for any API returning a ComponentInfo subclass. 115 */ 116 public static final int GET_META_DATA = 0x00000080; 117 118 /** 119 * {@link PackageInfo} flag: return the 120 * {@link PackageInfo#gids group ids} that are associated with an 121 * application. 122 * This applies for any API returning an PackageInfo class, either 123 * directly or nested inside of another. 124 */ 125 public static final int GET_GIDS = 0x00000100; 126 127 /** 128 * {@link PackageInfo} flag: include disabled components in the returned info. 129 */ 130 public static final int GET_DISABLED_COMPONENTS = 0x00000200; 131 132 /** 133 * {@link ApplicationInfo} flag: return the 134 * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries} 135 * that are associated with an application. 136 * This applies for any API returning an ApplicationInfo class, either 137 * directly or nested inside of another. 138 */ 139 public static final int GET_SHARED_LIBRARY_FILES = 0x00000400; 140 141 /** 142 * {@link ProviderInfo} flag: return the 143 * {@link ProviderInfo#uriPermissionPatterns URI permission patterns} 144 * that are associated with a content provider. 145 * This applies for any API returning an ProviderInfo class, either 146 * directly or nested inside of another. 147 */ 148 public static final int GET_URI_PERMISSION_PATTERNS = 0x00000800; 149 /** 150 * {@link PackageInfo} flag: return information about 151 * permissions in the package in 152 * {@link PackageInfo#permissions}. 153 */ 154 public static final int GET_PERMISSIONS = 0x00001000; 155 156 /** 157 * Flag parameter to retrieve all applications(even uninstalled ones) with data directories. 158 * This state could have resulted if applications have been deleted with flag 159 * DONT_DELETE_DATA 160 * with a possibility of being replaced or reinstalled in future 161 */ 162 public static final int GET_UNINSTALLED_PACKAGES = 0x00002000; 163 164 /** 165 * {@link PackageInfo} flag: return information about 166 * hardware preferences in 167 * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and 168 * requested features in {@link PackageInfo#reqFeatures 169 * PackageInfo.reqFeatures}. 170 */ 171 public static final int GET_CONFIGURATIONS = 0x00004000; 172 173 /** 174 * Resolution and querying flag: if set, only filters that support the 175 * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for 176 * matching. This is a synonym for including the CATEGORY_DEFAULT in your 177 * supplied Intent. 178 */ 179 public static final int MATCH_DEFAULT_ONLY = 0x00010000; 180 181 /** 182 * Permission check result: this is returned by {@link #checkPermission} 183 * if the permission has been granted to the given package. 184 */ 185 public static final int PERMISSION_GRANTED = 0; 186 187 /** 188 * Permission check result: this is returned by {@link #checkPermission} 189 * if the permission has not been granted to the given package. 190 */ 191 public static final int PERMISSION_DENIED = -1; 192 193 /** 194 * Signature check result: this is returned by {@link #checkSignatures} 195 * if the two packages have a matching signature. 196 */ 197 public static final int SIGNATURE_MATCH = 0; 198 199 /** 200 * Signature check result: this is returned by {@link #checkSignatures} 201 * if neither of the two packages is signed. 202 */ 203 public static final int SIGNATURE_NEITHER_SIGNED = 1; 204 205 /** 206 * Signature check result: this is returned by {@link #checkSignatures} 207 * if the first package is not signed, but the second is. 208 */ 209 public static final int SIGNATURE_FIRST_NOT_SIGNED = -1; 210 211 /** 212 * Signature check result: this is returned by {@link #checkSignatures} 213 * if the second package is not signed, but the first is. 214 */ 215 public static final int SIGNATURE_SECOND_NOT_SIGNED = -2; 216 217 /** 218 * Signature check result: this is returned by {@link #checkSignatures} 219 * if both packages are signed but there is no matching signature. 220 */ 221 public static final int SIGNATURE_NO_MATCH = -3; 222 223 /** 224 * Signature check result: this is returned by {@link #checkSignatures} 225 * if either of the given package names are not valid. 226 */ 227 public static final int SIGNATURE_UNKNOWN_PACKAGE = -4; 228 229 public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0; 230 public static final int COMPONENT_ENABLED_STATE_ENABLED = 1; 231 public static final int COMPONENT_ENABLED_STATE_DISABLED = 2; 232 233 /** 234 * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to 235 * indicate that this package should be installed as forward locked, i.e. only the app itself 236 * should have access to it's code and non-resource assets. 237 * @hide 238 */ 239 public static final int INSTALL_FORWARD_LOCK = 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 * @hide 245 */ 246 public static final int INSTALL_REPLACE_EXISTING = 0x00000002; 247 248 /** 249 * Flag parameter for {@link #installPackage} to indicate that you want to 250 * allow test packages (those that have set android:testOnly in their 251 * manifest) to be installed. 252 * @hide 253 */ 254 public static final int INSTALL_ALLOW_TEST = 0x00000004; 255 256 /** 257 * Flag parameter for {@link #installPackage} to indicate that this 258 * package has to be installed on the sdcard. 259 * @hide 260 */ 261 public static final int INSTALL_ON_SDCARD = 0x00000008; 262 263 /** 264 * Flag parameter for 265 * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate 266 * that you don't want to kill the app containing the component. Be careful when you set this 267 * since changing component states can make the containing application's behavior unpredictable. 268 */ 269 public static final int DONT_KILL_APP = 0x00000001; 270 271 /** 272 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 273 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success. 274 * @hide 275 */ 276 public static final int INSTALL_SUCCEEDED = 1; 277 278 /** 279 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 280 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is 281 * already installed. 282 * @hide 283 */ 284 public static final int INSTALL_FAILED_ALREADY_EXISTS = -1; 285 286 /** 287 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 288 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive 289 * file is invalid. 290 * @hide 291 */ 292 public static final int INSTALL_FAILED_INVALID_APK = -2; 293 294 /** 295 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 296 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in 297 * is invalid. 298 * @hide 299 */ 300 public static final int INSTALL_FAILED_INVALID_URI = -3; 301 302 /** 303 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 304 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager 305 * service found that the device didn't have enough storage space to install the app. 306 * @hide 307 */ 308 public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4; 309 310 /** 311 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 312 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a 313 * package is already installed with the same name. 314 * @hide 315 */ 316 public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5; 317 318 /** 319 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 320 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 321 * the requested shared user does not exist. 322 * @hide 323 */ 324 public static final int INSTALL_FAILED_NO_SHARED_USER = -6; 325 326 /** 327 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 328 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 329 * a previously installed package of the same name has a different signature 330 * than the new package (and the old package's data was not removed). 331 * @hide 332 */ 333 public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7; 334 335 /** 336 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 337 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 338 * the new package is requested a shared user which is already installed on the 339 * device and does not have matching signature. 340 * @hide 341 */ 342 public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8; 343 344 /** 345 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 346 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 347 * the new package uses a shared library that is not available. 348 * @hide 349 */ 350 public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9; 351 352 /** 353 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 354 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 355 * the new package uses a shared library that is not available. 356 * @hide 357 */ 358 public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10; 359 360 /** 361 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 362 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 363 * the new package failed while optimizing and validating its dex files, 364 * either because there was not enough storage or the validation failed. 365 * @hide 366 */ 367 public static final int INSTALL_FAILED_DEXOPT = -11; 368 369 /** 370 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 371 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 372 * the new package failed because the current SDK version is older than 373 * that required by the package. 374 * @hide 375 */ 376 public static final int INSTALL_FAILED_OLDER_SDK = -12; 377 378 /** 379 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 380 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 381 * the new package failed because it contains a content provider with the 382 * same authority as a provider already installed in the system. 383 * @hide 384 */ 385 public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13; 386 387 /** 388 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 389 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 390 * the new package failed because the current SDK version is newer than 391 * that required by the package. 392 * @hide 393 */ 394 public static final int INSTALL_FAILED_NEWER_SDK = -14; 395 396 /** 397 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 398 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 399 * the new package failed because it has specified that it is a test-only 400 * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST} 401 * flag. 402 * @hide 403 */ 404 public static final int INSTALL_FAILED_TEST_ONLY = -15; 405 406 /** 407 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 408 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 409 * the package being installed contains native code, but none that is 410 * compatible with the the device's CPU_ABI. 411 * @hide 412 */ 413 public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16; 414 415 /** 416 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 417 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 418 * the new package uses a feature that is not available. 419 * @hide 420 */ 421 public static final int INSTALL_FAILED_MISSING_FEATURE = -17; 422 423 // ------ Errors related to sdcard 424 /** 425 * Installation return code: this is passed to the {@link IPackageInstallObserver} by 426 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if 427 * a secure container mount point couldn't be accessed on external media. 428 * @hide 429 */ 430 public static final int INSTALL_FAILED_CONTAINER_ERROR = -18; 431 432 /** 433 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 434 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 435 * if the parser was given a path that is not a file, or does not end with the expected 436 * '.apk' extension. 437 * @hide 438 */ 439 public static final int INSTALL_PARSE_FAILED_NOT_APK = -100; 440 441 /** 442 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 443 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 444 * if the parser was unable to retrieve the AndroidManifest.xml file. 445 * @hide 446 */ 447 public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101; 448 449 /** 450 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 451 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 452 * if the parser encountered an unexpected exception. 453 * @hide 454 */ 455 public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102; 456 457 /** 458 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 459 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 460 * if the parser did not find any certificates in the .apk. 461 * @hide 462 */ 463 public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103; 464 465 /** 466 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 467 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 468 * if the parser found inconsistent certificates on the files in the .apk. 469 * @hide 470 */ 471 public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104; 472 473 /** 474 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 475 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 476 * if the parser encountered a CertificateEncodingException in one of the 477 * files in the .apk. 478 * @hide 479 */ 480 public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105; 481 482 /** 483 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 484 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 485 * if the parser encountered a bad or missing package name in the manifest. 486 * @hide 487 */ 488 public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106; 489 490 /** 491 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 492 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 493 * if the parser encountered a bad shared user id name in the manifest. 494 * @hide 495 */ 496 public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107; 497 498 /** 499 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 500 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 501 * if the parser encountered some structural problem in the manifest. 502 * @hide 503 */ 504 public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108; 505 506 /** 507 * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by 508 * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} 509 * if the parser did not find any actionable tags (instrumentation or application) 510 * in the manifest. 511 * @hide 512 */ 513 public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109; 514 515 /** 516 * Indicates the state of installation. Used by PackageManager to 517 * figure out incomplete installations. Say a package is being installed 518 * (the state is set to PKG_INSTALL_INCOMPLETE) and remains so till 519 * the package installation is successful or unsuccesful lin which case 520 * the PackageManager will no longer maintain state information associated 521 * with the package. If some exception(like device freeze or battery being 522 * pulled out) occurs during installation of a package, the PackageManager 523 * needs this information to clean up the previously failed installation. 524 */ 525 public static final int PKG_INSTALL_INCOMPLETE = 0; 526 public static final int PKG_INSTALL_COMPLETE = 1; 527 528 /** 529 * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the 530 * package's data directory. 531 * 532 * @hide 533 */ 534 public static final int DONT_DELETE_DATA = 0x00000001; 535 536 /** 537 * Feature for {@link #getSystemAvailableFeatures} and 538 * {@link #hasSystemFeature}: The device has a camera facing away 539 * from the screen. 540 */ 541 @SdkConstant(SdkConstantType.FEATURE) 542 public static final String FEATURE_CAMERA = "android.hardware.camera"; 543 544 /** 545 * Feature for {@link #getSystemAvailableFeatures} and 546 * {@link #hasSystemFeature}: The device's camera supports auto-focus. 547 */ 548 @SdkConstant(SdkConstantType.FEATURE) 549 public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus"; 550 551 /** 552 * Feature for {@link #getSystemAvailableFeatures} and 553 * {@link #hasSystemFeature}: The device's camera supports flash. 554 */ 555 @SdkConstant(SdkConstantType.FEATURE) 556 public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash"; 557 558 /** 559 * Feature for {@link #getSystemAvailableFeatures} and 560 * {@link #hasSystemFeature}: The device includes a light sensor. 561 */ 562 @SdkConstant(SdkConstantType.FEATURE) 563 public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light"; 564 565 /** 566 * Feature for {@link #getSystemAvailableFeatures} and 567 * {@link #hasSystemFeature}: The device includes a proximity sensor. 568 */ 569 @SdkConstant(SdkConstantType.FEATURE) 570 public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity"; 571 572 /** 573 * Feature for {@link #getSystemAvailableFeatures} and 574 * {@link #hasSystemFeature}: The device has a telephony radio with data 575 * communication support. 576 */ 577 @SdkConstant(SdkConstantType.FEATURE) 578 public static final String FEATURE_TELEPHONY = "android.hardware.telephony"; 579 580 /** 581 * Feature for {@link #getSystemAvailableFeatures} and 582 * {@link #hasSystemFeature}: The device has a CDMA telephony stack. 583 */ 584 @SdkConstant(SdkConstantType.FEATURE) 585 public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma"; 586 587 /** 588 * Feature for {@link #getSystemAvailableFeatures} and 589 * {@link #hasSystemFeature}: The device has a GSM telephony stack. 590 */ 591 @SdkConstant(SdkConstantType.FEATURE) 592 public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm"; 593 594 /** 595 * Feature for {@link #getSystemAvailableFeatures} and 596 * {@link #hasSystemFeature}: The device's touch screen supports multitouch. 597 */ 598 @SdkConstant(SdkConstantType.FEATURE) 599 public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch"; 600 601 /** 602 * Feature for {@link #getSystemAvailableFeatures} and 603 * {@link #hasSystemFeature}: The device supports live wallpapers. 604 */ 605 @SdkConstant(SdkConstantType.FEATURE) 606 public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper"; 607 608 // No-installation limit for internal flash: 10% or less space available 609 private static final double LOW_NAND_FLASH_TRESHOLD = 0.1; 610 611 // SD-to-internal app size threshold: currently set to 1 MB 612 private static final long INSTALL_ON_SD_THRESHOLD = (1024 * 1024); 613 614 private static final int INSTALL_ON_INTERNAL_FLASH = 0; 615 616 /** 617 * Determines best place to install an application: either SD or internal FLASH. 618 * Tweak the algorithm for best results. 619 * @param tmpPackageFile APK file containing the application to install. 620 * @return <code>PKG_INSTALL_INTERNAL</code> if it is best to install package on internal 621 * storage, <code>PKG_INSTALL_ON_SD</code> if it is best to install package on SD card, 622 * and <code>PKG_CANNOT_FIT</code> if insufficient space to safely install the app. 623 * This response does not take into account the package's own flags. 624 * @hide 625 */ 626 public static int recommendAppInstallLocation(ApplicationInfo appInfo, Uri packageURI) { 627 // Initial implementation: 628 // Package size = code size + cache size + data size 629 // If code size > 1 MB, install on SD card. 630 // Else install on internal NAND flash, unless space on NAND is less than 5% 631 // 0 = install on internal FLASH 632 // 1 = install on SD card 633 // (-1) = insufficient space - package cannot be installed. 634 635 if ((packageURI == null) || (appInfo == null)) { 636 return (-1); 637 } 638 639 StatFs internalFlashStats = new StatFs(Environment.getDataDirectory().getPath()); 640 StatFs sdcardStats = new StatFs(Environment.getExternalStorageDirectory().getPath()); 641 642 long totalInternalFlashSize = (long)internalFlashStats.getBlockCount() * 643 (long)internalFlashStats.getBlockSize(); 644 long availInternalFlashSize = (long)internalFlashStats.getAvailableBlocks() * 645 (long)internalFlashStats.getBlockSize(); 646 long availSDSize = (long)sdcardStats.getAvailableBlocks() * 647 (long)sdcardStats.getBlockSize(); 648 649 double pctNandFree = (double)availInternalFlashSize / (double)totalInternalFlashSize; 650 651 final String archiveFilePath = packageURI.getPath(); 652 File apkFile = new File(archiveFilePath); 653 long pkgLen = apkFile.length(); 654 655 // Consider application flags preferences as well... 656 boolean installOnlyOnSD = ((appInfo.flags & PackageManager.INSTALL_ON_SDCARD) != 0); 657 658 // These are not very precise measures, but I guess it is hard to estimate sizes 659 // before installing the package. 660 // As a shortcut, I am assuming that the package fits on NAND flash if the available 661 // space is three times that of the APK size. For SD, we only worry about the APK size. 662 // Since packages are downloaded into SD, this might not even be necessary. 663 boolean fitsOnSD = (pkgLen < availSDSize) && ((2 * pkgLen) < availInternalFlashSize); 664 boolean fitsOnInternalFlash = ((pkgLen * 3) < availInternalFlashSize); 665 666 // Does not fit, recommend no installation. 667 if (!fitsOnSD && !fitsOnInternalFlash) { 668 return (-1); 669 } 670 671 if (pkgLen < (INSTALL_ON_SD_THRESHOLD) && fitsOnInternalFlash && !(installOnlyOnSD)) { 672 // recommend internal NAND likely 673 if (pctNandFree < LOW_NAND_FLASH_TRESHOLD) { 674 // Low space on NAND (<10%) - install on SD 675 return INSTALL_ON_SDCARD; 676 } 677 return INSTALL_ON_INTERNAL_FLASH; 678 } else { 679 if (fitsOnSD) { 680 // Recommend SD card 681 return INSTALL_ON_SDCARD; 682 } else if (fitsOnInternalFlash && (pctNandFree >= LOW_NAND_FLASH_TRESHOLD) && 683 !(installOnlyOnSD)) { 684 return INSTALL_ON_INTERNAL_FLASH; 685 } else { 686 return (-1); 687 } 688 } 689 } 690 691 /** 692 * Retrieve overall information about an application package that is 693 * installed on the system. 694 * 695 * <p>Throws {@link NameNotFoundException} if a package with the given 696 * name can not be found on the system. 697 * 698 * @param packageName The full name (i.e. com.google.apps.contacts) of the 699 * desired package. 700 701 * @param flags Additional option flags. Use any combination of 702 * {@link #GET_ACTIVITIES}, 703 * {@link #GET_GIDS}, 704 * {@link #GET_CONFIGURATIONS}, 705 * {@link #GET_INSTRUMENTATION}, 706 * {@link #GET_PERMISSIONS}, 707 * {@link #GET_PROVIDERS}, 708 * {@link #GET_RECEIVERS}, 709 * {@link #GET_SERVICES}, 710 * {@link #GET_SIGNATURES}, 711 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 712 * 713 * @return Returns a PackageInfo object containing information about the package. 714 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 715 * found in the list of installed applications, the package information is 716 * retrieved from the list of uninstalled applications(which includes 717 * installed applications as well as applications 718 * with data directory ie applications which had been 719 * deleted with DONT_DELTE_DATA flag set). 720 * 721 * @see #GET_ACTIVITIES 722 * @see #GET_GIDS 723 * @see #GET_CONFIGURATIONS 724 * @see #GET_INSTRUMENTATION 725 * @see #GET_PERMISSIONS 726 * @see #GET_PROVIDERS 727 * @see #GET_RECEIVERS 728 * @see #GET_SERVICES 729 * @see #GET_SIGNATURES 730 * @see #GET_UNINSTALLED_PACKAGES 731 * 732 */ 733 public abstract PackageInfo getPackageInfo(String packageName, int flags) 734 throws NameNotFoundException; 735 736 /** 737 * Return a "good" intent to launch a front-door activity in a package, 738 * for use for example to implement an "open" button when browsing through 739 * packages. The current implementation will look first for a main 740 * activity in the category {@link Intent#CATEGORY_INFO}, next for a 741 * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return 742 * null if neither are found. 743 * 744 * <p>Throws {@link NameNotFoundException} if a package with the given 745 * name can not be found on the system. 746 * 747 * @param packageName The name of the package to inspect. 748 * 749 * @return Returns either a fully-qualified Intent that can be used to 750 * launch the main activity in the package, or null if the package does 751 * not contain such an activity. 752 */ 753 public abstract Intent getLaunchIntentForPackage(String packageName); 754 755 /** 756 * Return an array of all of the secondary group-ids that have been 757 * assigned to a package. 758 * 759 * <p>Throws {@link NameNotFoundException} if a package with the given 760 * name can not be found on the system. 761 * 762 * @param packageName The full name (i.e. com.google.apps.contacts) of the 763 * desired package. 764 * 765 * @return Returns an int array of the assigned gids, or null if there 766 * are none. 767 */ 768 public abstract int[] getPackageGids(String packageName) 769 throws NameNotFoundException; 770 771 /** 772 * Retrieve all of the information we know about a particular permission. 773 * 774 * <p>Throws {@link NameNotFoundException} if a permission with the given 775 * name can not be found on the system. 776 * 777 * @param name The fully qualified name (i.e. com.google.permission.LOGIN) 778 * of the permission you are interested in. 779 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 780 * retrieve any meta-data associated with the permission. 781 * 782 * @return Returns a {@link PermissionInfo} containing information about the 783 * permission. 784 */ 785 public abstract PermissionInfo getPermissionInfo(String name, int flags) 786 throws NameNotFoundException; 787 788 /** 789 * Query for all of the permissions associated with a particular group. 790 * 791 * <p>Throws {@link NameNotFoundException} if the given group does not 792 * exist. 793 * 794 * @param group The fully qualified name (i.e. com.google.permission.LOGIN) 795 * of the permission group you are interested in. Use null to 796 * find all of the permissions not associated with a group. 797 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 798 * retrieve any meta-data associated with the permissions. 799 * 800 * @return Returns a list of {@link PermissionInfo} containing information 801 * about all of the permissions in the given group. 802 */ 803 public abstract List<PermissionInfo> queryPermissionsByGroup(String group, 804 int flags) throws NameNotFoundException; 805 806 /** 807 * Retrieve all of the information we know about a particular group of 808 * permissions. 809 * 810 * <p>Throws {@link NameNotFoundException} if a permission group with the given 811 * name can not be found on the system. 812 * 813 * @param name The fully qualified name (i.e. com.google.permission_group.APPS) 814 * of the permission you are interested in. 815 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 816 * retrieve any meta-data associated with the permission group. 817 * 818 * @return Returns a {@link PermissionGroupInfo} containing information 819 * about the permission. 820 */ 821 public abstract PermissionGroupInfo getPermissionGroupInfo(String name, 822 int flags) throws NameNotFoundException; 823 824 /** 825 * Retrieve all of the known permission groups in the system. 826 * 827 * @param flags Additional option flags. Use {@link #GET_META_DATA} to 828 * retrieve any meta-data associated with the permission group. 829 * 830 * @return Returns a list of {@link PermissionGroupInfo} containing 831 * information about all of the known permission groups. 832 */ 833 public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags); 834 835 /** 836 * Retrieve all of the information we know about a particular 837 * package/application. 838 * 839 * <p>Throws {@link NameNotFoundException} if an application with the given 840 * package name can not be found on the system. 841 * 842 * @param packageName The full name (i.e. com.google.apps.contacts) of an 843 * application. 844 * @param flags Additional option flags. Use any combination of 845 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 846 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 847 * 848 * @return {@link ApplicationInfo} Returns ApplicationInfo object containing 849 * information about the package. 850 * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not 851 * found in the list of installed applications, 852 * the application information is retrieved from the 853 * list of uninstalled applications(which includes 854 * installed applications as well as applications 855 * with data directory ie applications which had been 856 * deleted with DONT_DELTE_DATA flag set). 857 * 858 * @see #GET_META_DATA 859 * @see #GET_SHARED_LIBRARY_FILES 860 * @see #GET_UNINSTALLED_PACKAGES 861 */ 862 public abstract ApplicationInfo getApplicationInfo(String packageName, 863 int flags) throws NameNotFoundException; 864 865 /** 866 * Retrieve all of the information we know about a particular activity 867 * class. 868 * 869 * <p>Throws {@link NameNotFoundException} if an activity with the given 870 * class name can not be found on the system. 871 * 872 * @param className The full name (i.e. 873 * com.google.apps.contacts.ContactsList) of an Activity 874 * class. 875 * @param flags Additional option flags. Use any combination of 876 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 877 * to modify the data (in ApplicationInfo) returned. 878 * 879 * @return {@link ActivityInfo} containing information about the activity. 880 * 881 * @see #GET_INTENT_FILTERS 882 * @see #GET_META_DATA 883 * @see #GET_SHARED_LIBRARY_FILES 884 */ 885 public abstract ActivityInfo getActivityInfo(ComponentName className, 886 int flags) throws NameNotFoundException; 887 888 /** 889 * Retrieve all of the information we know about a particular receiver 890 * class. 891 * 892 * <p>Throws {@link NameNotFoundException} if a receiver with the given 893 * class name can not be found on the system. 894 * 895 * @param className The full name (i.e. 896 * com.google.apps.contacts.CalendarAlarm) of a Receiver 897 * class. 898 * @param flags Additional option flags. Use any combination of 899 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 900 * to modify the data returned. 901 * 902 * @return {@link ActivityInfo} containing information about the receiver. 903 * 904 * @see #GET_INTENT_FILTERS 905 * @see #GET_META_DATA 906 * @see #GET_SHARED_LIBRARY_FILES 907 */ 908 public abstract ActivityInfo getReceiverInfo(ComponentName className, 909 int flags) throws NameNotFoundException; 910 911 /** 912 * Retrieve all of the information we know about a particular service 913 * class. 914 * 915 * <p>Throws {@link NameNotFoundException} if a service with the given 916 * class name can not be found on the system. 917 * 918 * @param className The full name (i.e. 919 * com.google.apps.media.BackgroundPlayback) of a Service 920 * class. 921 * @param flags Additional option flags. Use any combination of 922 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 923 * to modify the data returned. 924 * 925 * @return ServiceInfo containing information about the service. 926 * 927 * @see #GET_META_DATA 928 * @see #GET_SHARED_LIBRARY_FILES 929 */ 930 public abstract ServiceInfo getServiceInfo(ComponentName className, 931 int flags) throws NameNotFoundException; 932 933 /** 934 * Return a List of all packages that are installed 935 * on the device. 936 * 937 * @param flags Additional option flags. Use any combination of 938 * {@link #GET_ACTIVITIES}, 939 * {@link #GET_GIDS}, 940 * {@link #GET_CONFIGURATIONS}, 941 * {@link #GET_INSTRUMENTATION}, 942 * {@link #GET_PERMISSIONS}, 943 * {@link #GET_PROVIDERS}, 944 * {@link #GET_RECEIVERS}, 945 * {@link #GET_SERVICES}, 946 * {@link #GET_SIGNATURES}, 947 * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 948 * 949 * @return A List of PackageInfo objects, one for each package that is 950 * installed on the device. In the unlikely case of there being no 951 * installed packages, an empty list is returned. 952 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 953 * applications including those deleted with DONT_DELETE_DATA 954 * (partially installed apps with data directory) will be returned. 955 * 956 * @see #GET_ACTIVITIES 957 * @see #GET_GIDS 958 * @see #GET_CONFIGURATIONS 959 * @see #GET_INSTRUMENTATION 960 * @see #GET_PERMISSIONS 961 * @see #GET_PROVIDERS 962 * @see #GET_RECEIVERS 963 * @see #GET_SERVICES 964 * @see #GET_SIGNATURES 965 * @see #GET_UNINSTALLED_PACKAGES 966 * 967 */ 968 public abstract List<PackageInfo> getInstalledPackages(int flags); 969 970 /** 971 * Check whether a particular package has been granted a particular 972 * permission. 973 * 974 * @param permName The name of the permission you are checking for, 975 * @param pkgName The name of the package you are checking against. 976 * 977 * @return If the package has the permission, PERMISSION_GRANTED is 978 * returned. If it does not have the permission, PERMISSION_DENIED 979 * is returned. 980 * 981 * @see #PERMISSION_GRANTED 982 * @see #PERMISSION_DENIED 983 */ 984 public abstract int checkPermission(String permName, String pkgName); 985 986 /** 987 * Add a new dynamic permission to the system. For this to work, your 988 * package must have defined a permission tree through the 989 * {@link android.R.styleable#AndroidManifestPermissionTree 990 * <permission-tree>} tag in its manifest. A package can only add 991 * permissions to trees that were defined by either its own package or 992 * another with the same user id; a permission is in a tree if it 993 * matches the name of the permission tree + ".": for example, 994 * "com.foo.bar" is a member of the permission tree "com.foo". 995 * 996 * <p>It is good to make your permission tree name descriptive, because you 997 * are taking possession of that entire set of permission names. Thus, it 998 * must be under a domain you control, with a suffix that will not match 999 * any normal permissions that may be declared in any applications that 1000 * are part of that domain. 1001 * 1002 * <p>New permissions must be added before 1003 * any .apks are installed that use those permissions. Permissions you 1004 * add through this method are remembered across reboots of the device. 1005 * If the given permission already exists, the info you supply here 1006 * will be used to update it. 1007 * 1008 * @param info Description of the permission to be added. 1009 * 1010 * @return Returns true if a new permission was created, false if an 1011 * existing one was updated. 1012 * 1013 * @throws SecurityException if you are not allowed to add the 1014 * given permission name. 1015 * 1016 * @see #removePermission(String) 1017 */ 1018 public abstract boolean addPermission(PermissionInfo info); 1019 1020 /** 1021 * Removes a permission that was previously added with 1022 * {@link #addPermission(PermissionInfo)}. The same ownership rules apply 1023 * -- you are only allowed to remove permissions that you are allowed 1024 * to add. 1025 * 1026 * @param name The name of the permission to remove. 1027 * 1028 * @throws SecurityException if you are not allowed to remove the 1029 * given permission name. 1030 * 1031 * @see #addPermission(PermissionInfo) 1032 */ 1033 public abstract void removePermission(String name); 1034 1035 /** 1036 * Compare the signatures of two packages to determine if the same 1037 * signature appears in both of them. If they do contain the same 1038 * signature, then they are allowed special privileges when working 1039 * with each other: they can share the same user-id, run instrumentation 1040 * against each other, etc. 1041 * 1042 * @param pkg1 First package name whose signature will be compared. 1043 * @param pkg2 Second package name whose signature will be compared. 1044 * @return Returns an integer indicating whether there is a matching 1045 * signature: the value is >= 0 if there is a match (or neither package 1046 * is signed), or < 0 if there is not a match. The match result can be 1047 * further distinguished with the success (>= 0) constants 1048 * {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or 1049 * failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED}, 1050 * {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH}, 1051 * or {@link #SIGNATURE_UNKNOWN_PACKAGE}. 1052 * 1053 * @see #checkSignatures(int, int) 1054 * @see #SIGNATURE_MATCH 1055 * @see #SIGNATURE_NEITHER_SIGNED 1056 * @see #SIGNATURE_FIRST_NOT_SIGNED 1057 * @see #SIGNATURE_SECOND_NOT_SIGNED 1058 * @see #SIGNATURE_NO_MATCH 1059 * @see #SIGNATURE_UNKNOWN_PACKAGE 1060 */ 1061 public abstract int checkSignatures(String pkg1, String pkg2); 1062 1063 /** 1064 * Like {@link #checkSignatures(String, String)}, but takes UIDs of 1065 * the two packages to be checked. This can be useful, for example, 1066 * when doing the check in an IPC, where the UID is the only identity 1067 * available. It is functionally identical to determining the package 1068 * associated with the UIDs and checking their signatures. 1069 * 1070 * @param uid1 First UID whose signature will be compared. 1071 * @param uid2 Second UID whose signature will be compared. 1072 * @return Returns an integer indicating whether there is a matching 1073 * signature: the value is >= 0 if there is a match (or neither package 1074 * is signed), or < 0 if there is not a match. The match result can be 1075 * further distinguished with the success (>= 0) constants 1076 * {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or 1077 * failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED}, 1078 * {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH}, 1079 * or {@link #SIGNATURE_UNKNOWN_PACKAGE}. 1080 * 1081 * @see #checkSignatures(int, int) 1082 * @see #SIGNATURE_MATCH 1083 * @see #SIGNATURE_NEITHER_SIGNED 1084 * @see #SIGNATURE_FIRST_NOT_SIGNED 1085 * @see #SIGNATURE_SECOND_NOT_SIGNED 1086 * @see #SIGNATURE_NO_MATCH 1087 * @see #SIGNATURE_UNKNOWN_PACKAGE 1088 */ 1089 public abstract int checkSignatures(int uid1, int uid2); 1090 1091 /** 1092 * Retrieve the names of all packages that are associated with a particular 1093 * user id. In most cases, this will be a single package name, the package 1094 * that has been assigned that user id. Where there are multiple packages 1095 * sharing the same user id through the "sharedUserId" mechanism, all 1096 * packages with that id will be returned. 1097 * 1098 * @param uid The user id for which you would like to retrieve the 1099 * associated packages. 1100 * 1101 * @return Returns an array of one or more packages assigned to the user 1102 * id, or null if there are no known packages with the given id. 1103 */ 1104 public abstract String[] getPackagesForUid(int uid); 1105 1106 /** 1107 * Retrieve the official name associated with a user id. This name is 1108 * guaranteed to never change, though it is possibly for the underlying 1109 * user id to be changed. That is, if you are storing information about 1110 * user ids in persistent storage, you should use the string returned 1111 * by this function instead of the raw user-id. 1112 * 1113 * @param uid The user id for which you would like to retrieve a name. 1114 * @return Returns a unique name for the given user id, or null if the 1115 * user id is not currently assigned. 1116 */ 1117 public abstract String getNameForUid(int uid); 1118 1119 /** 1120 * Return the user id associated with a shared user name. Multiple 1121 * applications can specify a shared user name in their manifest and thus 1122 * end up using a common uid. This might be used for new applications 1123 * that use an existing shared user name and need to know the uid of the 1124 * shared user. 1125 * 1126 * @param sharedUserName The shared user name whose uid is to be retrieved. 1127 * @return Returns the uid associated with the shared user, or NameNotFoundException 1128 * if the shared user name is not being used by any installed packages 1129 * @hide 1130 */ 1131 public abstract int getUidForSharedUser(String sharedUserName) 1132 throws NameNotFoundException; 1133 1134 /** 1135 * Return a List of all application packages that are installed on the 1136 * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all 1137 * applications including those deleted with DONT_DELETE_DATA(partially 1138 * installed apps with data directory) will be returned. 1139 * 1140 * @param flags Additional option flags. Use any combination of 1141 * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES}, 1142 * {link #GET_UNINSTALLED_PACKAGES} to modify the data returned. 1143 * 1144 * @return A List of ApplicationInfo objects, one for each application that 1145 * is installed on the device. In the unlikely case of there being 1146 * no installed applications, an empty list is returned. 1147 * If flag GET_UNINSTALLED_PACKAGES is set, a list of all 1148 * applications including those deleted with DONT_DELETE_DATA 1149 * (partially installed apps with data directory) will be returned. 1150 * 1151 * @see #GET_META_DATA 1152 * @see #GET_SHARED_LIBRARY_FILES 1153 * @see #GET_UNINSTALLED_PACKAGES 1154 */ 1155 public abstract List<ApplicationInfo> getInstalledApplications(int flags); 1156 1157 /** 1158 * Get a list of shared libraries that are available on the 1159 * system. 1160 * 1161 * @return An array of shared library names that are 1162 * available on the system, or null if none are installed. 1163 * 1164 */ 1165 public abstract String[] getSystemSharedLibraryNames(); 1166 1167 /** 1168 * Get a list of features that are available on the 1169 * system. 1170 * 1171 * @return An array of FeatureInfo classes describing the features 1172 * that are available on the system, or null if there are none(!!). 1173 */ 1174 public abstract FeatureInfo[] getSystemAvailableFeatures(); 1175 1176 /** 1177 * Check whether the given feature name is one of the available 1178 * features as returned by {@link #getSystemAvailableFeatures()}. 1179 * 1180 * @return Returns true if the devices supports the feature, else 1181 * false. 1182 */ 1183 public abstract boolean hasSystemFeature(String name); 1184 1185 /** 1186 * Determine the best action to perform for a given Intent. This is how 1187 * {@link Intent#resolveActivity} finds an activity if a class has not 1188 * been explicitly specified. 1189 * 1190 * @param intent An intent containing all of the desired specification 1191 * (action, data, type, category, and/or component). 1192 * @param flags Additional option flags. The most important is 1193 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1194 * those activities that support the CATEGORY_DEFAULT. 1195 * 1196 * @return Returns a ResolveInfo containing the final activity intent that 1197 * was determined to be the best action. Returns null if no 1198 * matching activity was found. 1199 * 1200 * @see #MATCH_DEFAULT_ONLY 1201 * @see #GET_INTENT_FILTERS 1202 * @see #GET_RESOLVED_FILTER 1203 */ 1204 public abstract ResolveInfo resolveActivity(Intent intent, int flags); 1205 1206 /** 1207 * Retrieve all activities that can be performed for the given intent. 1208 * 1209 * @param intent The desired intent as per resolveActivity(). 1210 * @param flags Additional option flags. The most important is 1211 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1212 * those activities that support the CATEGORY_DEFAULT. 1213 * 1214 * @return A List<ResolveInfo> containing one entry for each matching 1215 * Activity. These are ordered from best to worst match -- that 1216 * is, the first item in the list is what is returned by 1217 * resolveActivity(). If there are no matching activities, an empty 1218 * list is returned. 1219 * 1220 * @see #MATCH_DEFAULT_ONLY 1221 * @see #GET_INTENT_FILTERS 1222 * @see #GET_RESOLVED_FILTER 1223 */ 1224 public abstract List<ResolveInfo> queryIntentActivities(Intent intent, 1225 int flags); 1226 1227 /** 1228 * Retrieve a set of activities that should be presented to the user as 1229 * similar options. This is like {@link #queryIntentActivities}, except it 1230 * also allows you to supply a list of more explicit Intents that you would 1231 * like to resolve to particular options, and takes care of returning the 1232 * final ResolveInfo list in a reasonable order, with no duplicates, based 1233 * on those inputs. 1234 * 1235 * @param caller The class name of the activity that is making the 1236 * request. This activity will never appear in the output 1237 * list. Can be null. 1238 * @param specifics An array of Intents that should be resolved to the 1239 * first specific results. Can be null. 1240 * @param intent The desired intent as per resolveActivity(). 1241 * @param flags Additional option flags. The most important is 1242 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1243 * those activities that support the CATEGORY_DEFAULT. 1244 * 1245 * @return A List<ResolveInfo> containing one entry for each matching 1246 * Activity. These are ordered first by all of the intents resolved 1247 * in <var>specifics</var> and then any additional activities that 1248 * can handle <var>intent</var> but did not get included by one of 1249 * the <var>specifics</var> intents. If there are no matching 1250 * activities, an empty list is returned. 1251 * 1252 * @see #MATCH_DEFAULT_ONLY 1253 * @see #GET_INTENT_FILTERS 1254 * @see #GET_RESOLVED_FILTER 1255 */ 1256 public abstract List<ResolveInfo> queryIntentActivityOptions( 1257 ComponentName caller, Intent[] specifics, Intent intent, int flags); 1258 1259 /** 1260 * Retrieve all receivers that can handle a broadcast of the given intent. 1261 * 1262 * @param intent The desired intent as per resolveActivity(). 1263 * @param flags Additional option flags. The most important is 1264 * MATCH_DEFAULT_ONLY, to limit the resolution to only 1265 * those activities that support the CATEGORY_DEFAULT. 1266 * 1267 * @return A List<ResolveInfo> containing one entry for each matching 1268 * Receiver. These are ordered from first to last in priority. If 1269 * there are no matching receivers, an empty list is returned. 1270 * 1271 * @see #MATCH_DEFAULT_ONLY 1272 * @see #GET_INTENT_FILTERS 1273 * @see #GET_RESOLVED_FILTER 1274 */ 1275 public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent, 1276 int flags); 1277 1278 /** 1279 * Determine the best service to handle for a given Intent. 1280 * 1281 * @param intent An intent containing all of the desired specification 1282 * (action, data, type, category, and/or component). 1283 * @param flags Additional option flags. 1284 * 1285 * @return Returns a ResolveInfo containing the final service intent that 1286 * was determined to be the best action. Returns null if no 1287 * matching service was found. 1288 * 1289 * @see #GET_INTENT_FILTERS 1290 * @see #GET_RESOLVED_FILTER 1291 */ 1292 public abstract ResolveInfo resolveService(Intent intent, int flags); 1293 1294 /** 1295 * Retrieve all services that can match the given intent. 1296 * 1297 * @param intent The desired intent as per resolveService(). 1298 * @param flags Additional option flags. 1299 * 1300 * @return A List<ResolveInfo> containing one entry for each matching 1301 * ServiceInfo. These are ordered from best to worst match -- that 1302 * is, the first item in the list is what is returned by 1303 * resolveService(). If there are no matching services, an empty 1304 * list is returned. 1305 * 1306 * @see #GET_INTENT_FILTERS 1307 * @see #GET_RESOLVED_FILTER 1308 */ 1309 public abstract List<ResolveInfo> queryIntentServices(Intent intent, 1310 int flags); 1311 1312 /** 1313 * Find a single content provider by its base path name. 1314 * 1315 * @param name The name of the provider to find. 1316 * @param flags Additional option flags. Currently should always be 0. 1317 * 1318 * @return ContentProviderInfo Information about the provider, if found, 1319 * else null. 1320 */ 1321 public abstract ProviderInfo resolveContentProvider(String name, 1322 int flags); 1323 1324 /** 1325 * Retrieve content provider information. 1326 * 1327 * <p><em>Note: unlike most other methods, an empty result set is indicated 1328 * by a null return instead of an empty list.</em> 1329 * 1330 * @param processName If non-null, limits the returned providers to only 1331 * those that are hosted by the given process. If null, 1332 * all content providers are returned. 1333 * @param uid If <var>processName</var> is non-null, this is the required 1334 * uid owning the requested content providers. 1335 * @param flags Additional option flags. Currently should always be 0. 1336 * 1337 * @return A List<ContentProviderInfo> containing one entry for each 1338 * content provider either patching <var>processName</var> or, if 1339 * <var>processName</var> is null, all known content providers. 1340 * <em>If there are no matching providers, null is returned.</em> 1341 */ 1342 public abstract List<ProviderInfo> queryContentProviders( 1343 String processName, int uid, int flags); 1344 1345 /** 1346 * Retrieve all of the information we know about a particular 1347 * instrumentation class. 1348 * 1349 * <p>Throws {@link NameNotFoundException} if instrumentation with the 1350 * given class name can not be found on the system. 1351 * 1352 * @param className The full name (i.e. 1353 * com.google.apps.contacts.InstrumentList) of an 1354 * Instrumentation class. 1355 * @param flags Additional option flags. Currently should always be 0. 1356 * 1357 * @return InstrumentationInfo containing information about the 1358 * instrumentation. 1359 */ 1360 public abstract InstrumentationInfo getInstrumentationInfo( 1361 ComponentName className, int flags) throws NameNotFoundException; 1362 1363 /** 1364 * Retrieve information about available instrumentation code. May be used 1365 * to retrieve either all instrumentation code, or only the code targeting 1366 * a particular package. 1367 * 1368 * @param targetPackage If null, all instrumentation is returned; only the 1369 * instrumentation targeting this package name is 1370 * returned. 1371 * @param flags Additional option flags. Currently should always be 0. 1372 * 1373 * @return A List<InstrumentationInfo> containing one entry for each 1374 * matching available Instrumentation. Returns an empty list if 1375 * there is no instrumentation available for the given package. 1376 */ 1377 public abstract List<InstrumentationInfo> queryInstrumentation( 1378 String targetPackage, int flags); 1379 1380 /** 1381 * Retrieve an image from a package. This is a low-level API used by 1382 * the various package manager info structures (such as 1383 * {@link ComponentInfo} to implement retrieval of their associated 1384 * icon. 1385 * 1386 * @param packageName The name of the package that this icon is coming from. 1387 * Can not be null. 1388 * @param resid The resource identifier of the desired image. Can not be 0. 1389 * @param appInfo Overall information about <var>packageName</var>. This 1390 * may be null, in which case the application information will be retrieved 1391 * for you if needed; if you already have this information around, it can 1392 * be much more efficient to supply it here. 1393 * 1394 * @return Returns a Drawable holding the requested image. Returns null if 1395 * an image could not be found for any reason. 1396 */ 1397 public abstract Drawable getDrawable(String packageName, int resid, 1398 ApplicationInfo appInfo); 1399 1400 /** 1401 * Retrieve the icon associated with an activity. Given the full name of 1402 * an activity, retrieves the information about it and calls 1403 * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon. 1404 * If the activity can not be found, NameNotFoundException is thrown. 1405 * 1406 * @param activityName Name of the activity whose icon is to be retrieved. 1407 * 1408 * @return Returns the image of the icon, or the default activity icon if 1409 * it could not be found. Does not return null. 1410 * @throws NameNotFoundException Thrown if the resources for the given 1411 * activity could not be loaded. 1412 * 1413 * @see #getActivityIcon(Intent) 1414 */ 1415 public abstract Drawable getActivityIcon(ComponentName activityName) 1416 throws NameNotFoundException; 1417 1418 /** 1419 * Retrieve the icon associated with an Intent. If intent.getClassName() is 1420 * set, this simply returns the result of 1421 * getActivityIcon(intent.getClassName()). Otherwise it resolves the intent's 1422 * component and returns the icon associated with the resolved component. 1423 * If intent.getClassName() can not be found or the Intent can not be resolved 1424 * to a component, NameNotFoundException is thrown. 1425 * 1426 * @param intent The intent for which you would like to retrieve an icon. 1427 * 1428 * @return Returns the image of the icon, or the default activity icon if 1429 * it could not be found. Does not return null. 1430 * @throws NameNotFoundException Thrown if the resources for application 1431 * matching the given intent could not be loaded. 1432 * 1433 * @see #getActivityIcon(ComponentName) 1434 */ 1435 public abstract Drawable getActivityIcon(Intent intent) 1436 throws NameNotFoundException; 1437 1438 /** 1439 * Return the generic icon for an activity that is used when no specific 1440 * icon is defined. 1441 * 1442 * @return Drawable Image of the icon. 1443 */ 1444 public abstract Drawable getDefaultActivityIcon(); 1445 1446 /** 1447 * Retrieve the icon associated with an application. If it has not defined 1448 * an icon, the default app icon is returned. Does not return null. 1449 * 1450 * @param info Information about application being queried. 1451 * 1452 * @return Returns the image of the icon, or the default application icon 1453 * if it could not be found. 1454 * 1455 * @see #getApplicationIcon(String) 1456 */ 1457 public abstract Drawable getApplicationIcon(ApplicationInfo info); 1458 1459 /** 1460 * Retrieve the icon associated with an application. Given the name of the 1461 * application's package, retrieves the information about it and calls 1462 * getApplicationIcon() to return its icon. If the application can not be 1463 * found, NameNotFoundException is thrown. 1464 * 1465 * @param packageName Name of the package whose application icon is to be 1466 * retrieved. 1467 * 1468 * @return Returns the image of the icon, or the default application icon 1469 * if it could not be found. Does not return null. 1470 * @throws NameNotFoundException Thrown if the resources for the given 1471 * application could not be loaded. 1472 * 1473 * @see #getApplicationIcon(ApplicationInfo) 1474 */ 1475 public abstract Drawable getApplicationIcon(String packageName) 1476 throws NameNotFoundException; 1477 1478 /** 1479 * Retrieve text from a package. This is a low-level API used by 1480 * the various package manager info structures (such as 1481 * {@link ComponentInfo} to implement retrieval of their associated 1482 * labels and other text. 1483 * 1484 * @param packageName The name of the package that this text is coming from. 1485 * Can not be null. 1486 * @param resid The resource identifier of the desired text. Can not be 0. 1487 * @param appInfo Overall information about <var>packageName</var>. This 1488 * may be null, in which case the application information will be retrieved 1489 * for you if needed; if you already have this information around, it can 1490 * be much more efficient to supply it here. 1491 * 1492 * @return Returns a CharSequence holding the requested text. Returns null 1493 * if the text could not be found for any reason. 1494 */ 1495 public abstract CharSequence getText(String packageName, int resid, 1496 ApplicationInfo appInfo); 1497 1498 /** 1499 * Retrieve an XML file from a package. This is a low-level API used to 1500 * retrieve XML meta data. 1501 * 1502 * @param packageName The name of the package that this xml is coming from. 1503 * Can not be null. 1504 * @param resid The resource identifier of the desired xml. Can not be 0. 1505 * @param appInfo Overall information about <var>packageName</var>. This 1506 * may be null, in which case the application information will be retrieved 1507 * for you if needed; if you already have this information around, it can 1508 * be much more efficient to supply it here. 1509 * 1510 * @return Returns an XmlPullParser allowing you to parse out the XML 1511 * data. Returns null if the xml resource could not be found for any 1512 * reason. 1513 */ 1514 public abstract XmlResourceParser getXml(String packageName, int resid, 1515 ApplicationInfo appInfo); 1516 1517 /** 1518 * Return the label to use for this application. 1519 * 1520 * @return Returns the label associated with this application, or null if 1521 * it could not be found for any reason. 1522 * @param info The application to get the label of 1523 */ 1524 public abstract CharSequence getApplicationLabel(ApplicationInfo info); 1525 1526 /** 1527 * Retrieve the resources associated with an activity. Given the full 1528 * name of an activity, retrieves the information about it and calls 1529 * getResources() to return its application's resources. If the activity 1530 * can not be found, NameNotFoundException is thrown. 1531 * 1532 * @param activityName Name of the activity whose resources are to be 1533 * retrieved. 1534 * 1535 * @return Returns the application's Resources. 1536 * @throws NameNotFoundException Thrown if the resources for the given 1537 * application could not be loaded. 1538 * 1539 * @see #getResourcesForApplication(ApplicationInfo) 1540 */ 1541 public abstract Resources getResourcesForActivity(ComponentName activityName) 1542 throws NameNotFoundException; 1543 1544 /** 1545 * Retrieve the resources for an application. Throws NameNotFoundException 1546 * if the package is no longer installed. 1547 * 1548 * @param app Information about the desired application. 1549 * 1550 * @return Returns the application's Resources. 1551 * @throws NameNotFoundException Thrown if the resources for the given 1552 * application could not be loaded (most likely because it was uninstalled). 1553 */ 1554 public abstract Resources getResourcesForApplication(ApplicationInfo app) 1555 throws NameNotFoundException; 1556 1557 /** 1558 * Retrieve the resources associated with an application. Given the full 1559 * package name of an application, retrieves the information about it and 1560 * calls getResources() to return its application's resources. If the 1561 * appPackageName can not be found, NameNotFoundException is thrown. 1562 * 1563 * @param appPackageName Package name of the application whose resources 1564 * are to be retrieved. 1565 * 1566 * @return Returns the application's Resources. 1567 * @throws NameNotFoundException Thrown if the resources for the given 1568 * application could not be loaded. 1569 * 1570 * @see #getResourcesForApplication(ApplicationInfo) 1571 */ 1572 public abstract Resources getResourcesForApplication(String appPackageName) 1573 throws NameNotFoundException; 1574 1575 /** 1576 * Retrieve overall information about an application package defined 1577 * in a package archive file 1578 * 1579 * @param archiveFilePath The path to the archive file 1580 * @param flags Additional option flags. Use any combination of 1581 * {@link #GET_ACTIVITIES}, 1582 * {@link #GET_GIDS}, 1583 * {@link #GET_CONFIGURATIONS}, 1584 * {@link #GET_INSTRUMENTATION}, 1585 * {@link #GET_PERMISSIONS}, 1586 * {@link #GET_PROVIDERS}, 1587 * {@link #GET_RECEIVERS}, 1588 * {@link #GET_SERVICES}, 1589 * {@link #GET_SIGNATURES}, to modify the data returned. 1590 * 1591 * @return Returns the information about the package. Returns 1592 * null if the package could not be successfully parsed. 1593 * 1594 * @see #GET_ACTIVITIES 1595 * @see #GET_GIDS 1596 * @see #GET_CONFIGURATIONS 1597 * @see #GET_INSTRUMENTATION 1598 * @see #GET_PERMISSIONS 1599 * @see #GET_PROVIDERS 1600 * @see #GET_RECEIVERS 1601 * @see #GET_SERVICES 1602 * @see #GET_SIGNATURES 1603 * 1604 */ 1605 public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) { 1606 PackageParser packageParser = new PackageParser(archiveFilePath); 1607 DisplayMetrics metrics = new DisplayMetrics(); 1608 metrics.setToDefaults(); 1609 final File sourceFile = new File(archiveFilePath); 1610 PackageParser.Package pkg = packageParser.parsePackage( 1611 sourceFile, archiveFilePath, metrics, 0); 1612 if (pkg == null) { 1613 return null; 1614 } 1615 return PackageParser.generatePackageInfo(pkg, null, flags); 1616 } 1617 1618 /** 1619 * @hide 1620 * 1621 * Install a package. Since this may take a little while, the result will 1622 * be posted back to the given observer. An installation will fail if the calling context 1623 * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the 1624 * package named in the package file's manifest is already installed, or if there's no space 1625 * available on the device. 1626 * 1627 * @param packageURI The location of the package file to install. This can be a 'file:' or a 1628 * 'content:' URI. 1629 * @param observer An observer callback to get notified when the package installation is 1630 * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be 1631 * called when that happens. observer may be null to indicate that no callback is desired. 1632 * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK}, 1633 * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}. 1634 * @param installerPackageName Optional package name of the application that is performing the 1635 * installation. This identifies which market the package came from. 1636 */ 1637 public abstract void installPackage( 1638 Uri packageURI, IPackageInstallObserver observer, int flags, 1639 String installerPackageName); 1640 1641 /** 1642 * Attempts to delete a package. Since this may take a little while, the result will 1643 * be posted back to the given observer. A deletion will fail if the calling context 1644 * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the 1645 * named package cannot be found, or if the named package is a "system package". 1646 * (TODO: include pointer to documentation on "system packages") 1647 * 1648 * @param packageName The name of the package to delete 1649 * @param observer An observer callback to get notified when the package deletion is 1650 * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be 1651 * called when that happens. observer may be null to indicate that no callback is desired. 1652 * @param flags - possible values: {@link #DONT_DELETE_DATA} 1653 * 1654 * @hide 1655 */ 1656 public abstract void deletePackage( 1657 String packageName, IPackageDeleteObserver observer, int flags); 1658 1659 /** 1660 * Retrieve the package name of the application that installed a package. This identifies 1661 * which market the package came from. 1662 * 1663 * @param packageName The name of the package to query 1664 */ 1665 public abstract String getInstallerPackageName(String packageName); 1666 1667 /** 1668 * Attempts to clear the user data directory of an application. 1669 * Since this may take a little while, the result will 1670 * be posted back to the given observer. A deletion will fail if the 1671 * named package cannot be found, or if the named package is a "system package". 1672 * 1673 * @param packageName The name of the package 1674 * @param observer An observer callback to get notified when the operation is finished 1675 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1676 * will be called when that happens. observer may be null to indicate that 1677 * no callback is desired. 1678 * 1679 * @hide 1680 */ 1681 public abstract void clearApplicationUserData(String packageName, 1682 IPackageDataObserver observer); 1683 /** 1684 * Attempts to delete the cache files associated with an application. 1685 * Since this may take a little while, the result will 1686 * be posted back to the given observer. A deletion will fail if the calling context 1687 * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the 1688 * named package cannot be found, or if the named package is a "system package". 1689 * 1690 * @param packageName The name of the package to delete 1691 * @param observer An observer callback to get notified when the cache file deletion 1692 * is complete. 1693 * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)} 1694 * will be called when that happens. observer may be null to indicate that 1695 * no callback is desired. 1696 * 1697 * @hide 1698 */ 1699 public abstract void deleteApplicationCacheFiles(String packageName, 1700 IPackageDataObserver observer); 1701 1702 /** 1703 * Free storage by deleting LRU sorted list of cache files across 1704 * all applications. If the currently available free storage 1705 * on the device is greater than or equal to the requested 1706 * free storage, no cache files are cleared. If the currently 1707 * available storage on the device is less than the requested 1708 * free storage, some or all of the cache files across 1709 * all applications are deleted (based on last accessed time) 1710 * to increase the free storage space on the device to 1711 * the requested value. There is no guarantee that clearing all 1712 * the cache files from all applications will clear up 1713 * enough storage to achieve the desired value. 1714 * @param freeStorageSize The number of bytes of storage to be 1715 * freed by the system. Say if freeStorageSize is XX, 1716 * and the current free storage is YY, 1717 * if XX is less than YY, just return. if not free XX-YY number 1718 * of bytes if possible. 1719 * @param observer call back used to notify when 1720 * the operation is completed 1721 * 1722 * @hide 1723 */ 1724 public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer); 1725 1726 /** 1727 * Free storage by deleting LRU sorted list of cache files across 1728 * all applications. If the currently available free storage 1729 * on the device is greater than or equal to the requested 1730 * free storage, no cache files are cleared. If the currently 1731 * available storage on the device is less than the requested 1732 * free storage, some or all of the cache files across 1733 * all applications are deleted (based on last accessed time) 1734 * to increase the free storage space on the device to 1735 * the requested value. There is no guarantee that clearing all 1736 * the cache files from all applications will clear up 1737 * enough storage to achieve the desired value. 1738 * @param freeStorageSize The number of bytes of storage to be 1739 * freed by the system. Say if freeStorageSize is XX, 1740 * and the current free storage is YY, 1741 * if XX is less than YY, just return. if not free XX-YY number 1742 * of bytes if possible. 1743 * @param pi IntentSender call back used to 1744 * notify when the operation is completed.May be null 1745 * to indicate that no call back is desired. 1746 * 1747 * @hide 1748 */ 1749 public abstract void freeStorage(long freeStorageSize, IntentSender pi); 1750 1751 /** 1752 * Retrieve the size information for a package. 1753 * Since this may take a little while, the result will 1754 * be posted back to the given observer. The calling context 1755 * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission. 1756 * 1757 * @param packageName The name of the package whose size information is to be retrieved 1758 * @param observer An observer callback to get notified when the operation 1759 * is complete. 1760 * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)} 1761 * The observer's callback is invoked with a PackageStats object(containing the 1762 * code, data and cache sizes of the package) and a boolean value representing 1763 * the status of the operation. observer may be null to indicate that 1764 * no callback is desired. 1765 * 1766 * @hide 1767 */ 1768 public abstract void getPackageSizeInfo(String packageName, 1769 IPackageStatsObserver observer); 1770 1771 /** 1772 * @deprecated This function no longer does anything; it was an old 1773 * approach to managing preferred activities, which has been superceeded 1774 * (and conflicts with) the modern activity-based preferences. 1775 */ 1776 @Deprecated 1777 public abstract void addPackageToPreferred(String packageName); 1778 1779 /** 1780 * @deprecated This function no longer does anything; it was an old 1781 * approach to managing preferred activities, which has been superceeded 1782 * (and conflicts with) the modern activity-based preferences. 1783 */ 1784 @Deprecated 1785 public abstract void removePackageFromPreferred(String packageName); 1786 1787 /** 1788 * Retrieve the list of all currently configured preferred packages. The 1789 * first package on the list is the most preferred, the last is the 1790 * least preferred. 1791 * 1792 * @param flags Additional option flags. Use any combination of 1793 * {@link #GET_ACTIVITIES}, 1794 * {@link #GET_GIDS}, 1795 * {@link #GET_CONFIGURATIONS}, 1796 * {@link #GET_INSTRUMENTATION}, 1797 * {@link #GET_PERMISSIONS}, 1798 * {@link #GET_PROVIDERS}, 1799 * {@link #GET_RECEIVERS}, 1800 * {@link #GET_SERVICES}, 1801 * {@link #GET_SIGNATURES}, to modify the data returned. 1802 * 1803 * @return Returns a list of PackageInfo objects describing each 1804 * preferred application, in order of preference. 1805 * 1806 * @see #GET_ACTIVITIES 1807 * @see #GET_GIDS 1808 * @see #GET_CONFIGURATIONS 1809 * @see #GET_INSTRUMENTATION 1810 * @see #GET_PERMISSIONS 1811 * @see #GET_PROVIDERS 1812 * @see #GET_RECEIVERS 1813 * @see #GET_SERVICES 1814 * @see #GET_SIGNATURES 1815 */ 1816 public abstract List<PackageInfo> getPreferredPackages(int flags); 1817 1818 /** 1819 * Add a new preferred activity mapping to the system. This will be used 1820 * to automatically select the given activity component when 1821 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1822 * multiple matching activities and also matches the given filter. 1823 * 1824 * @param filter The set of intents under which this activity will be 1825 * made preferred. 1826 * @param match The IntentFilter match category that this preference 1827 * applies to. 1828 * @param set The set of activities that the user was picking from when 1829 * this preference was made. 1830 * @param activity The component name of the activity that is to be 1831 * preferred. 1832 */ 1833 public abstract void addPreferredActivity(IntentFilter filter, int match, 1834 ComponentName[] set, ComponentName activity); 1835 1836 /** 1837 * Replaces an existing preferred activity mapping to the system, and if that were not present 1838 * adds a new preferred activity. This will be used 1839 * to automatically select the given activity component when 1840 * {@link Context#startActivity(Intent) Context.startActivity()} finds 1841 * multiple matching activities and also matches the given filter. 1842 * 1843 * @param filter The set of intents under which this activity will be 1844 * made preferred. 1845 * @param match The IntentFilter match category that this preference 1846 * applies to. 1847 * @param set The set of activities that the user was picking from when 1848 * this preference was made. 1849 * @param activity The component name of the activity that is to be 1850 * preferred. 1851 * @hide 1852 */ 1853 public abstract void replacePreferredActivity(IntentFilter filter, int match, 1854 ComponentName[] set, ComponentName activity); 1855 1856 /** 1857 * Remove all preferred activity mappings, previously added with 1858 * {@link #addPreferredActivity}, from the 1859 * system whose activities are implemented in the given package name. 1860 * 1861 * @param packageName The name of the package whose preferred activity 1862 * mappings are to be removed. 1863 */ 1864 public abstract void clearPackagePreferredActivities(String packageName); 1865 1866 /** 1867 * Retrieve all preferred activities, previously added with 1868 * {@link #addPreferredActivity}, that are 1869 * currently registered with the system. 1870 * 1871 * @param outFilters A list in which to place the filters of all of the 1872 * preferred activities, or null for none. 1873 * @param outActivities A list in which to place the component names of 1874 * all of the preferred activities, or null for none. 1875 * @param packageName An option package in which you would like to limit 1876 * the list. If null, all activities will be returned; if non-null, only 1877 * those activities in the given package are returned. 1878 * 1879 * @return Returns the total number of registered preferred activities 1880 * (the number of distinct IntentFilter records, not the number of unique 1881 * activity components) that were found. 1882 */ 1883 public abstract int getPreferredActivities(List<IntentFilter> outFilters, 1884 List<ComponentName> outActivities, String packageName); 1885 1886 /** 1887 * Set the enabled setting for a package component (activity, receiver, service, provider). 1888 * This setting will override any enabled state which may have been set by the component in its 1889 * manifest. 1890 * 1891 * @param componentName The component to enable 1892 * @param newState The new enabled state for the component. The legal values for this state 1893 * are: 1894 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1895 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1896 * and 1897 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1898 * The last one removes the setting, thereby restoring the component's state to 1899 * whatever was set in it's manifest (or enabled, by default). 1900 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1901 */ 1902 public abstract void setComponentEnabledSetting(ComponentName componentName, 1903 int newState, int flags); 1904 1905 1906 /** 1907 * Return the the enabled setting for a package component (activity, 1908 * receiver, service, provider). This returns the last value set by 1909 * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most 1910 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1911 * the value originally specified in the manifest has not been modified. 1912 * 1913 * @param componentName The component to retrieve. 1914 * @return Returns the current enabled state for the component. May 1915 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1916 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1917 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1918 * component's enabled state is based on the original information in 1919 * the manifest as found in {@link ComponentInfo}. 1920 */ 1921 public abstract int getComponentEnabledSetting(ComponentName componentName); 1922 1923 /** 1924 * Set the enabled setting for an application 1925 * This setting will override any enabled state which may have been set by the application in 1926 * its manifest. It also overrides the enabled state set in the manifest for any of the 1927 * application's components. It does not override any enabled state set by 1928 * {@link #setComponentEnabledSetting} for any of the application's components. 1929 * 1930 * @param packageName The package name of the application to enable 1931 * @param newState The new enabled state for the component. The legal values for this state 1932 * are: 1933 * {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1934 * {@link #COMPONENT_ENABLED_STATE_DISABLED} 1935 * and 1936 * {@link #COMPONENT_ENABLED_STATE_DEFAULT} 1937 * The last one removes the setting, thereby restoring the applications's state to 1938 * whatever was set in its manifest (or enabled, by default). 1939 * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. 1940 */ 1941 public abstract void setApplicationEnabledSetting(String packageName, 1942 int newState, int flags); 1943 1944 /** 1945 * Return the the enabled setting for an application. This returns 1946 * the last value set by 1947 * {@link #setApplicationEnabledSetting(String, int, int)}; in most 1948 * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since 1949 * the value originally specified in the manifest has not been modified. 1950 * 1951 * @param packageName The component to retrieve. 1952 * @return Returns the current enabled state for the component. May 1953 * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED}, 1954 * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or 1955 * {@link #COMPONENT_ENABLED_STATE_DEFAULT}. The last one means the 1956 * application's enabled state is based on the original information in 1957 * the manifest as found in {@link ComponentInfo}. 1958 */ 1959 public abstract int getApplicationEnabledSetting(String packageName); 1960 1961 /** 1962 * Return whether the device has been booted into safe mode. 1963 */ 1964 public abstract boolean isSafeMode(); 1965} 1966