1 /* 2 * Copyright (C) 2007 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 17 package android.content.pm; 18 19 import android.content.pm.PackageManager.NameNotFoundException; 20 import android.content.res.Resources; 21 import android.graphics.drawable.Drawable; 22 import android.os.Parcel; 23 import android.os.Parcelable; 24 import android.util.Printer; 25 26 import java.text.Collator; 27 import java.util.Comparator; 28 29 /** 30 * Information you can retrieve about a particular application. This 31 * corresponds to information collected from the AndroidManifest.xml's 32 * <application> tag. 33 */ 34 public class ApplicationInfo extends PackageItemInfo implements Parcelable { 35 36 /** 37 * Default task affinity of all activities in this application. See 38 * {@link ActivityInfo#taskAffinity} for more information. This comes 39 * from the "taskAffinity" attribute. 40 */ 41 public String taskAffinity; 42 43 /** 44 * Optional name of a permission required to be able to access this 45 * application's components. From the "permission" attribute. 46 */ 47 public String permission; 48 49 /** 50 * The name of the process this application should run in. From the 51 * "process" attribute or, if not set, the same as 52 * <var>packageName</var>. 53 */ 54 public String processName; 55 56 /** 57 * Class implementing the Application object. From the "class" 58 * attribute. 59 */ 60 public String className; 61 62 /** 63 * A style resource identifier (in the package's resources) of the 64 * description of an application. From the "description" attribute 65 * or, if not set, 0. 66 */ 67 public int descriptionRes; 68 69 /** 70 * A style resource identifier (in the package's resources) of the 71 * default visual theme of the application. From the "theme" attribute 72 * or, if not set, 0. 73 */ 74 public int theme; 75 76 /** 77 * Class implementing the Application's manage space 78 * functionality. From the "manageSpaceActivity" 79 * attribute. This is an optional attribute and will be null if 80 * applications don't specify it in their manifest 81 */ 82 public String manageSpaceActivityName; 83 84 /** 85 * Class implementing the Application's backup functionality. From 86 * the "backupAgent" attribute. This is an optional attribute and 87 * will be null if the application does not specify it in its manifest. 88 * 89 * <p>If android:allowBackup is set to false, this attribute is ignored. 90 */ 91 public String backupAgentName; 92 93 /** 94 * Value for {@link #flags}: if set, this application is installed in the 95 * device's system image. 96 */ 97 public static final int FLAG_SYSTEM = 1<<0; 98 99 /** 100 * Value for {@link #flags}: set to true if this application would like to 101 * allow debugging of its 102 * code, even when installed on a non-development system. Comes 103 * from {@link android.R.styleable#AndroidManifestApplication_debuggable 104 * android:debuggable} of the <application> tag. 105 */ 106 public static final int FLAG_DEBUGGABLE = 1<<1; 107 108 /** 109 * Value for {@link #flags}: set to true if this application has code 110 * associated with it. Comes 111 * from {@link android.R.styleable#AndroidManifestApplication_hasCode 112 * android:hasCode} of the <application> tag. 113 */ 114 public static final int FLAG_HAS_CODE = 1<<2; 115 116 /** 117 * Value for {@link #flags}: set to true if this application is persistent. 118 * Comes from {@link android.R.styleable#AndroidManifestApplication_persistent 119 * android:persistent} of the <application> tag. 120 */ 121 public static final int FLAG_PERSISTENT = 1<<3; 122 123 /** 124 * Value for {@link #flags}: set to true if this application holds the 125 * {@link android.Manifest.permission#FACTORY_TEST} permission and the 126 * device is running in factory test mode. 127 */ 128 public static final int FLAG_FACTORY_TEST = 1<<4; 129 130 /** 131 * Value for {@link #flags}: default value for the corresponding ActivityInfo flag. 132 * Comes from {@link android.R.styleable#AndroidManifestApplication_allowTaskReparenting 133 * android:allowTaskReparenting} of the <application> tag. 134 */ 135 public static final int FLAG_ALLOW_TASK_REPARENTING = 1<<5; 136 137 /** 138 * Value for {@link #flags}: default value for the corresponding ActivityInfo flag. 139 * Comes from {@link android.R.styleable#AndroidManifestApplication_allowClearUserData 140 * android:allowClearUserData} of the <application> tag. 141 */ 142 public static final int FLAG_ALLOW_CLEAR_USER_DATA = 1<<6; 143 144 /** 145 * Value for {@link #flags}: this is set if this application has been 146 * install as an update to a built-in system application. 147 */ 148 public static final int FLAG_UPDATED_SYSTEM_APP = 1<<7; 149 150 /** 151 * Value for {@link #flags}: this is set of the application has specified 152 * {@link android.R.styleable#AndroidManifestApplication_testOnly 153 * android:testOnly} to be true. 154 */ 155 public static final int FLAG_TEST_ONLY = 1<<8; 156 157 /** 158 * Value for {@link #flags}: true when the application's window can be 159 * reduced in size for smaller screens. Corresponds to 160 * {@link android.R.styleable#AndroidManifestSupportsScreens_smallScreens 161 * android:smallScreens}. 162 */ 163 public static final int FLAG_SUPPORTS_SMALL_SCREENS = 1<<9; 164 165 /** 166 * Value for {@link #flags}: true when the application's window can be 167 * displayed on normal screens. Corresponds to 168 * {@link android.R.styleable#AndroidManifestSupportsScreens_normalScreens 169 * android:normalScreens}. 170 */ 171 public static final int FLAG_SUPPORTS_NORMAL_SCREENS = 1<<10; 172 173 /** 174 * Value for {@link #flags}: true when the application's window can be 175 * increased in size for larger screens. Corresponds to 176 * {@link android.R.styleable#AndroidManifestSupportsScreens_largeScreens 177 * android:largeScreens}. 178 */ 179 public static final int FLAG_SUPPORTS_LARGE_SCREENS = 1<<11; 180 181 /** 182 * Value for {@link #flags}: true when the application knows how to adjust 183 * its UI for different screen sizes. Corresponds to 184 * {@link android.R.styleable#AndroidManifestSupportsScreens_resizeable 185 * android:resizeable}. 186 */ 187 public static final int FLAG_RESIZEABLE_FOR_SCREENS = 1<<12; 188 189 /** 190 * Value for {@link #flags}: true when the application knows how to 191 * accomodate different screen densities. Corresponds to 192 * {@link android.R.styleable#AndroidManifestSupportsScreens_anyDensity 193 * android:anyDensity}. 194 */ 195 public static final int FLAG_SUPPORTS_SCREEN_DENSITIES = 1<<13; 196 197 /** 198 * Value for {@link #flags}: set to true if this application would like to 199 * request the VM to operate under the safe mode. Comes from 200 * {@link android.R.styleable#AndroidManifestApplication_vmSafeMode 201 * android:vmSafeMode} of the <application> tag. 202 */ 203 public static final int FLAG_VM_SAFE_MODE = 1<<14; 204 205 /** 206 * Value for {@link #flags}: set to <code>false</code> if the application does not wish 207 * to permit any OS-driven backups of its data; <code>true</code> otherwise. 208 * 209 * <p>Comes from the 210 * {@link android.R.styleable#AndroidManifestApplication_allowBackup android:allowBackup} 211 * attribute of the <application> tag. 212 */ 213 public static final int FLAG_ALLOW_BACKUP = 1<<15; 214 215 /** 216 * Value for {@link #flags}: set to <code>false</code> if the application must be kept 217 * in memory following a full-system restore operation; <code>true</code> otherwise. 218 * Ordinarily, during a full system restore operation each application is shut down 219 * following execution of its agent's onRestore() method. Setting this attribute to 220 * <code>false</code> prevents this. Most applications will not need to set this attribute. 221 * 222 * <p>If 223 * {@link android.R.styleable#AndroidManifestApplication_allowBackup android:allowBackup} 224 * is set to <code>false</code> or no 225 * {@link android.R.styleable#AndroidManifestApplication_backupAgent android:backupAgent} 226 * is specified, this flag will be ignored. 227 * 228 * <p>Comes from the 229 * {@link android.R.styleable#AndroidManifestApplication_killAfterRestore android:killAfterRestore} 230 * attribute of the <application> tag. 231 */ 232 public static final int FLAG_KILL_AFTER_RESTORE = 1<<16; 233 234 /** 235 * Value for {@link #flags}: Set to <code>true</code> if the application's backup 236 * agent claims to be able to handle restore data even "from the future," 237 * i.e. from versions of the application with a versionCode greater than 238 * the one currently installed on the device. <i>Use with caution!</i> By default 239 * this attribute is <code>false</code> and the Backup Manager will ensure that data 240 * from "future" versions of the application are never supplied during a restore operation. 241 * 242 * <p>If 243 * {@link android.R.styleable#AndroidManifestApplication_allowBackup android:allowBackup} 244 * is set to <code>false</code> or no 245 * {@link android.R.styleable#AndroidManifestApplication_backupAgent android:backupAgent} 246 * is specified, this flag will be ignored. 247 * 248 * <p>Comes from the 249 * {@link android.R.styleable#AndroidManifestApplication_restoreAnyVersion android:restoreAnyVersion} 250 * attribute of the <application> tag. 251 */ 252 public static final int FLAG_RESTORE_ANY_VERSION = 1<<17; 253 254 /** 255 * Value for {@link #flags}: Set to true if the application is 256 * currently installed on external/removable/unprotected storage. Such 257 * applications may not be available if their storage is not currently 258 * mounted. When the storage it is on is not available, it will look like 259 * the application has been uninstalled (its .apk is no longer available) 260 * but its persistent data is not removed. 261 */ 262 public static final int FLAG_EXTERNAL_STORAGE = 1<<18; 263 264 /** 265 * Value for {@link #flags}: true when the application's window can be 266 * increased in size for extra large screens. Corresponds to 267 * {@link android.R.styleable#AndroidManifestSupportsScreens_xlargeScreens 268 * android:xlargeScreens}. 269 * @hide 270 */ 271 public static final int FLAG_SUPPORTS_XLARGE_SCREENS = 1<<19; 272 273 /** 274 * Value for {@link #flags}: this is true if the application has set 275 * its android:neverEncrypt to true, false otherwise. It is used to specify 276 * that this package specifically "opts-out" of a secured file system solution, 277 * and will always store its data in-the-clear. 278 * 279 * {@hide} 280 */ 281 public static final int FLAG_NEVER_ENCRYPT = 1<<30; 282 283 /** 284 * Value for {@link #flags}: Set to true if the application has been 285 * installed using the forward lock option. 286 * 287 * {@hide} 288 */ 289 public static final int FLAG_FORWARD_LOCK = 1<<29; 290 291 /** 292 * Value for {@link #flags}: set to <code>true</code> if the application 293 * has reported that it is heavy-weight, and thus can not participate in 294 * the normal application lifecycle. 295 * 296 * <p>Comes from the 297 * {@link android.R.styleable#AndroidManifestApplication_cantSaveState android:cantSaveState} 298 * attribute of the <application> tag. 299 * 300 * {@hide} 301 */ 302 public static final int FLAG_CANT_SAVE_STATE = 1<<27; 303 304 /** 305 * Flags associated with the application. Any combination of 306 * {@link #FLAG_SYSTEM}, {@link #FLAG_DEBUGGABLE}, {@link #FLAG_HAS_CODE}, 307 * {@link #FLAG_PERSISTENT}, {@link #FLAG_FACTORY_TEST}, and 308 * {@link #FLAG_ALLOW_TASK_REPARENTING} 309 * {@link #FLAG_ALLOW_CLEAR_USER_DATA}, {@link #FLAG_UPDATED_SYSTEM_APP}, 310 * {@link #FLAG_TEST_ONLY}, {@link #FLAG_SUPPORTS_SMALL_SCREENS}, 311 * {@link #FLAG_SUPPORTS_NORMAL_SCREENS}, 312 * {@link #FLAG_SUPPORTS_LARGE_SCREENS}, 313 * {@link #FLAG_RESIZEABLE_FOR_SCREENS}, 314 * {@link #FLAG_SUPPORTS_SCREEN_DENSITIES}, {@link #FLAG_VM_SAFE_MODE} 315 */ 316 public int flags = 0; 317 318 /** 319 * Full path to the location of this package. 320 */ 321 public String sourceDir; 322 323 /** 324 * Full path to the location of the publicly available parts of this 325 * package (i.e. the primary resource package and manifest). For 326 * non-forward-locked apps this will be the same as {@link #sourceDir). 327 */ 328 public String publicSourceDir; 329 330 /** 331 * Full paths to the locations of extra resource packages this application 332 * uses. This field is only used if there are extra resource packages, 333 * otherwise it is null. 334 * 335 * {@hide} 336 */ 337 public String[] resourceDirs; 338 339 /** 340 * Paths to all shared libraries this application is linked against. This 341 * field is only set if the {@link PackageManager#GET_SHARED_LIBRARY_FILES 342 * PackageManager.GET_SHARED_LIBRARY_FILES} flag was used when retrieving 343 * the structure. 344 */ 345 public String[] sharedLibraryFiles; 346 347 /** 348 * Full path to a directory assigned to the package for its persistent 349 * data. 350 */ 351 public String dataDir; 352 353 /** 354 * Full path to the directory where native JNI libraries are stored. 355 */ 356 public String nativeLibraryDir; 357 358 /** 359 * The kernel user-ID that has been assigned to this application; 360 * currently this is not a unique ID (multiple applications can have 361 * the same uid). 362 */ 363 public int uid; 364 365 /** 366 * The minimum SDK version this application targets. It may run on earlier 367 * versions, but it knows how to work with any new behavior added at this 368 * version. Will be {@link android.os.Build.VERSION_CODES#CUR_DEVELOPMENT} 369 * if this is a development build and the app is targeting that. You should 370 * compare that this number is >= the SDK version number at which your 371 * behavior was introduced. 372 */ 373 public int targetSdkVersion; 374 375 /** 376 * When false, indicates that all components within this application are 377 * considered disabled, regardless of their individually set enabled status. 378 */ 379 public boolean enabled = true; 380 381 /** 382 * For convenient access to package's install location. 383 * @hide 384 */ 385 public int installLocation = PackageInfo.INSTALL_LOCATION_UNSPECIFIED; 386 387 public void dump(Printer pw, String prefix) { 388 super.dumpFront(pw, prefix); 389 if (className != null) { 390 pw.println(prefix + "className=" + className); 391 } 392 if (permission != null) { 393 pw.println(prefix + "permission=" + permission); 394 } 395 pw.println(prefix + "processName=" + processName); 396 pw.println(prefix + "taskAffinity=" + taskAffinity); 397 pw.println(prefix + "uid=" + uid + " flags=0x" + Integer.toHexString(flags) 398 + " theme=0x" + Integer.toHexString(theme)); 399 pw.println(prefix + "sourceDir=" + sourceDir); 400 if (sourceDir == null) { 401 if (publicSourceDir != null) { 402 pw.println(prefix + "publicSourceDir=" + publicSourceDir); 403 } 404 } else if (!sourceDir.equals(publicSourceDir)) { 405 pw.println(prefix + "publicSourceDir=" + publicSourceDir); 406 } 407 if (resourceDirs != null) { 408 pw.println(prefix + "resourceDirs=" + resourceDirs); 409 } 410 pw.println(prefix + "dataDir=" + dataDir); 411 if (sharedLibraryFiles != null) { 412 pw.println(prefix + "sharedLibraryFiles=" + sharedLibraryFiles); 413 } 414 pw.println(prefix + "enabled=" + enabled + " targetSdkVersion=" + targetSdkVersion); 415 if (manageSpaceActivityName != null) { 416 pw.println(prefix + "manageSpaceActivityName="+manageSpaceActivityName); 417 } 418 if (descriptionRes != 0) { 419 pw.println(prefix + "description=0x"+Integer.toHexString(descriptionRes)); 420 } 421 super.dumpBack(pw, prefix); 422 } 423 424 public static class DisplayNameComparator 425 implements Comparator<ApplicationInfo> { 426 public DisplayNameComparator(PackageManager pm) { 427 mPM = pm; 428 } 429 430 public final int compare(ApplicationInfo aa, ApplicationInfo ab) { 431 CharSequence sa = mPM.getApplicationLabel(aa); 432 if (sa == null) { 433 sa = aa.packageName; 434 } 435 CharSequence sb = mPM.getApplicationLabel(ab); 436 if (sb == null) { 437 sb = ab.packageName; 438 } 439 440 return sCollator.compare(sa.toString(), sb.toString()); 441 } 442 443 private final Collator sCollator = Collator.getInstance(); 444 private PackageManager mPM; 445 } 446 447 public ApplicationInfo() { 448 } 449 450 public ApplicationInfo(ApplicationInfo orig) { 451 super(orig); 452 taskAffinity = orig.taskAffinity; 453 permission = orig.permission; 454 processName = orig.processName; 455 className = orig.className; 456 theme = orig.theme; 457 flags = orig.flags; 458 sourceDir = orig.sourceDir; 459 publicSourceDir = orig.publicSourceDir; 460 nativeLibraryDir = orig.nativeLibraryDir; 461 resourceDirs = orig.resourceDirs; 462 sharedLibraryFiles = orig.sharedLibraryFiles; 463 dataDir = orig.dataDir; 464 uid = orig.uid; 465 targetSdkVersion = orig.targetSdkVersion; 466 enabled = orig.enabled; 467 installLocation = orig.installLocation; 468 manageSpaceActivityName = orig.manageSpaceActivityName; 469 descriptionRes = orig.descriptionRes; 470 } 471 472 473 public String toString() { 474 return "ApplicationInfo{" 475 + Integer.toHexString(System.identityHashCode(this)) 476 + " " + packageName + "}"; 477 } 478 479 public int describeContents() { 480 return 0; 481 } 482 483 public void writeToParcel(Parcel dest, int parcelableFlags) { 484 super.writeToParcel(dest, parcelableFlags); 485 dest.writeString(taskAffinity); 486 dest.writeString(permission); 487 dest.writeString(processName); 488 dest.writeString(className); 489 dest.writeInt(theme); 490 dest.writeInt(flags); 491 dest.writeString(sourceDir); 492 dest.writeString(publicSourceDir); 493 dest.writeString(nativeLibraryDir); 494 dest.writeStringArray(resourceDirs); 495 dest.writeStringArray(sharedLibraryFiles); 496 dest.writeString(dataDir); 497 dest.writeInt(uid); 498 dest.writeInt(targetSdkVersion); 499 dest.writeInt(enabled ? 1 : 0); 500 dest.writeInt(installLocation); 501 dest.writeString(manageSpaceActivityName); 502 dest.writeString(backupAgentName); 503 dest.writeInt(descriptionRes); 504 } 505 506 public static final Parcelable.Creator<ApplicationInfo> CREATOR 507 = new Parcelable.Creator<ApplicationInfo>() { 508 public ApplicationInfo createFromParcel(Parcel source) { 509 return new ApplicationInfo(source); 510 } 511 public ApplicationInfo[] newArray(int size) { 512 return new ApplicationInfo[size]; 513 } 514 }; 515 516 private ApplicationInfo(Parcel source) { 517 super(source); 518 taskAffinity = source.readString(); 519 permission = source.readString(); 520 processName = source.readString(); 521 className = source.readString(); 522 theme = source.readInt(); 523 flags = source.readInt(); 524 sourceDir = source.readString(); 525 publicSourceDir = source.readString(); 526 nativeLibraryDir = source.readString(); 527 resourceDirs = source.readStringArray(); 528 sharedLibraryFiles = source.readStringArray(); 529 dataDir = source.readString(); 530 uid = source.readInt(); 531 targetSdkVersion = source.readInt(); 532 enabled = source.readInt() != 0; 533 installLocation = source.readInt(); 534 manageSpaceActivityName = source.readString(); 535 backupAgentName = source.readString(); 536 descriptionRes = source.readInt(); 537 } 538 539 /** 540 * Retrieve the textual description of the application. This 541 * will call back on the given PackageManager to load the description from 542 * the application. 543 * 544 * @param pm A PackageManager from which the label can be loaded; usually 545 * the PackageManager from which you originally retrieved this item. 546 * 547 * @return Returns a CharSequence containing the application's description. 548 * If there is no description, null is returned. 549 */ 550 public CharSequence loadDescription(PackageManager pm) { 551 if (descriptionRes != 0) { 552 CharSequence label = pm.getText(packageName, descriptionRes, this); 553 if (label != null) { 554 return label; 555 } 556 } 557 return null; 558 } 559 560 /** 561 * Disable compatibility mode 562 * 563 * @hide 564 */ 565 public void disableCompatibilityMode() { 566 flags |= (FLAG_SUPPORTS_LARGE_SCREENS | FLAG_SUPPORTS_NORMAL_SCREENS | 567 FLAG_SUPPORTS_SMALL_SCREENS | FLAG_RESIZEABLE_FOR_SCREENS | 568 FLAG_SUPPORTS_SCREEN_DENSITIES | FLAG_SUPPORTS_XLARGE_SCREENS); 569 } 570 571 /** 572 * @hide 573 */ 574 @Override protected Drawable loadDefaultIcon(PackageManager pm) { 575 if ((flags & FLAG_EXTERNAL_STORAGE) != 0 576 && isPackageUnavailable(pm)) { 577 return Resources.getSystem().getDrawable( 578 com.android.internal.R.drawable.sym_app_on_sd_unavailable_icon); 579 } 580 return pm.getDefaultActivityIcon(); 581 } 582 583 private boolean isPackageUnavailable(PackageManager pm) { 584 try { 585 return pm.getPackageInfo(packageName, 0) == null; 586 } catch (NameNotFoundException ex) { 587 return true; 588 } 589 } 590 591 /** 592 * @hide 593 */ 594 @Override protected ApplicationInfo getApplicationInfo() { 595 return this; 596 } 597 } 598
