ApplicationInfo.java revision 78bceeb925dff57543d7d9cd27f560448fb2e854
1package android.content.pm; 2 3import android.os.Parcel; 4import android.os.Parcelable; 5import android.util.Printer; 6 7import java.text.Collator; 8import java.util.Comparator; 9 10/** 11 * Information you can retrieve about a particular application. This 12 * corresponds to information collected from the AndroidManifest.xml's 13 * <application> tag. 14 */ 15public class ApplicationInfo extends PackageItemInfo implements Parcelable { 16 17 /** 18 * Default task affinity of all activities in this application. See 19 * {@link ActivityInfo#taskAffinity} for more information. This comes 20 * from the "taskAffinity" attribute. 21 */ 22 public String taskAffinity; 23 24 /** 25 * Optional name of a permission required to be able to access this 26 * application's components. From the "permission" attribute. 27 */ 28 public String permission; 29 30 /** 31 * The name of the process this application should run in. From the 32 * "process" attribute or, if not set, the same as 33 * <var>packageName</var>. 34 */ 35 public String processName; 36 37 /** 38 * Class implementing the Application object. From the "class" 39 * attribute. 40 */ 41 public String className; 42 43 /** 44 * A style resource identifier (in the package's resources) of the 45 * description of an application. From the "description" attribute 46 * or, if not set, 0. 47 */ 48 public int descriptionRes; 49 50 /** 51 * A style resource identifier (in the package's resources) of the 52 * default visual theme of the application. From the "theme" attribute 53 * or, if not set, 0. 54 */ 55 public int theme; 56 57 /** 58 * Class implementing the Application's manage space 59 * functionality. From the "manageSpaceActivity" 60 * attribute. This is an optional attribute and will be null if 61 * applications don't specify it in their manifest 62 */ 63 public String manageSpaceActivityName; 64 65 /** 66 * Class implementing the Application's backup functionality. From 67 * the "backupAgent" attribute. This is an optional attribute and 68 * will be null if the application does not specify it in its manifest. 69 * 70 * <p>If android:allowBackup is set to false, this attribute is ignored. 71 * 72 * {@hide} 73 */ 74 public String backupAgentName; 75 76 /** 77 * Value for {@link #flags}: if set, this application is installed in the 78 * device's system image. 79 */ 80 public static final int FLAG_SYSTEM = 1<<0; 81 82 /** 83 * Value for {@link #flags}: set to true if this application would like to 84 * allow debugging of its 85 * code, even when installed on a non-development system. Comes 86 * from {@link android.R.styleable#AndroidManifestApplication_debuggable 87 * android:debuggable} of the <application> tag. 88 */ 89 public static final int FLAG_DEBUGGABLE = 1<<1; 90 91 /** 92 * Value for {@link #flags}: set to true if this application has code 93 * associated with it. Comes 94 * from {@link android.R.styleable#AndroidManifestApplication_hasCode 95 * android:hasCode} of the <application> tag. 96 */ 97 public static final int FLAG_HAS_CODE = 1<<2; 98 99 /** 100 * Value for {@link #flags}: set to true if this application is persistent. 101 * Comes from {@link android.R.styleable#AndroidManifestApplication_persistent 102 * android:persistent} of the <application> tag. 103 */ 104 public static final int FLAG_PERSISTENT = 1<<3; 105 106 /** 107 * Value for {@link #flags}: set to true if this application holds the 108 * {@link android.Manifest.permission#FACTORY_TEST} permission and the 109 * device is running in factory test mode. 110 */ 111 public static final int FLAG_FACTORY_TEST = 1<<4; 112 113 /** 114 * Value for {@link #flags}: default value for the corresponding ActivityInfo flag. 115 * Comes from {@link android.R.styleable#AndroidManifestApplication_allowTaskReparenting 116 * android:allowTaskReparenting} of the <application> tag. 117 */ 118 public static final int FLAG_ALLOW_TASK_REPARENTING = 1<<5; 119 120 /** 121 * Value for {@link #flags}: default value for the corresponding ActivityInfo flag. 122 * Comes from {@link android.R.styleable#AndroidManifestApplication_allowClearUserData 123 * android:allowClearUserData} of the <application> tag. 124 */ 125 public static final int FLAG_ALLOW_CLEAR_USER_DATA = 1<<6; 126 127 /** 128 * Value for {@link #flags}: this is set if this application has been 129 * install as an update to a built-in system application. 130 */ 131 public static final int FLAG_UPDATED_SYSTEM_APP = 1<<7; 132 133 /** 134 * Value for {@link #flags}: this is set of the application has specified 135 * {@link android.R.styleable#AndroidManifestApplication_testOnly 136 * android:testOnly} to be true. 137 */ 138 public static final int FLAG_TEST_ONLY = 1<<8; 139 140 /** 141 * Value for {@link #flags}: true when the application's window can be 142 * reduced in size for smaller screens. Corresponds to 143 * {@link android.R.styleable#AndroidManifestSupportsScreens_smallScreens 144 * android:smallScreens}. 145 */ 146 public static final int FLAG_SUPPORTS_SMALL_SCREENS = 1<<9; 147 148 /** 149 * Value for {@link #flags}: true when the application's window can be 150 * displayed on normal screens. Corresponds to 151 * {@link android.R.styleable#AndroidManifestSupportsScreens_normalScreens 152 * android:normalScreens}. 153 */ 154 public static final int FLAG_SUPPORTS_NORMAL_SCREENS = 1<<10; 155 156 /** 157 * Value for {@link #flags}: true when the application's window can be 158 * increased in size for larger screens. Corresponds to 159 * {@link android.R.styleable#AndroidManifestSupportsScreens_largeScreens 160 * android:smallScreens}. 161 */ 162 public static final int FLAG_SUPPORTS_LARGE_SCREENS = 1<<11; 163 164 /** 165 * Value for {@link #flags}: true when the application knows how to adjust 166 * its UI for different screen sizes. Corresponds to 167 * {@link android.R.styleable#AndroidManifestSupportsScreens_resizeable 168 * android:resizeable}. 169 */ 170 public static final int FLAG_RESIZEABLE_FOR_SCREENS = 1<<12; 171 172 /** 173 * Value for {@link #flags}: true when the application knows how to 174 * accomodate different screen densities. Corresponds to 175 * {@link android.R.styleable#AndroidManifestSupportsScreens_anyDensity 176 * android:anyDensity}. 177 */ 178 public static final int FLAG_SUPPORTS_SCREEN_DENSITIES = 1<<13; 179 180 /** 181 * Value for {@link #flags}: this is false if the application has set 182 * its android:allowBackup to false, true otherwise. 183 * 184 * {@hide} 185 */ 186 public static final int FLAG_ALLOW_BACKUP = 1<<14; 187 188 /** 189 * Value for {@link #flags}: this is false if the application has set 190 * its android:killAfterRestore to false, true otherwise. 191 * 192 * <p>If android:allowBackup is set to false or no android:backupAgent 193 * is specified, this flag will be ignored. 194 * 195 * {@hide} 196 */ 197 public static final int FLAG_KILL_AFTER_RESTORE = 1<<15; 198 199 /** 200 * Value for {@link #flags}: this is true if the application has set 201 * its android:restoreNeedsApplication to true, false otherwise. 202 * 203 * <p>If android:allowBackup is set to false or no android:backupAgent 204 * is specified, this flag will be ignored. 205 * 206 * {@hide} 207 */ 208 public static final int FLAG_RESTORE_NEEDS_APPLICATION = 1<<16; 209 210 /** 211 * Value for {@link #flags}: this is true if the application has set 212 * its android:neverEncrypt to true, false otherwise. It is used to specify 213 * that this package specifically "opts-out" of a secured file system solution, 214 * and will always store its data in-the-clear. 215 * 216 * {@hide} 217 */ 218 public static final int FLAG_NEVER_ENCRYPT = 1<<17; 219 220 /** 221 * Flags associated with the application. Any combination of 222 * {@link #FLAG_SYSTEM}, {@link #FLAG_DEBUGGABLE}, {@link #FLAG_HAS_CODE}, 223 * {@link #FLAG_PERSISTENT}, {@link #FLAG_FACTORY_TEST}, and 224 * {@link #FLAG_ALLOW_TASK_REPARENTING} 225 * {@link #FLAG_ALLOW_CLEAR_USER_DATA}, {@link #FLAG_UPDATED_SYSTEM_APP}, 226 * {@link #FLAG_TEST_ONLY}, {@link #FLAG_SUPPORTS_SMALL_SCREENS}, 227 * {@link #FLAG_SUPPORTS_NORMAL_SCREENS}, 228 * {@link #FLAG_SUPPORTS_LARGE_SCREENS}, {@link #FLAG_RESIZEABLE_FOR_SCREENS}, 229 * {@link #FLAG_SUPPORTS_SCREEN_DENSITIES}. 230 */ 231 public int flags = 0; 232 233 /** 234 * Full path to the location of this package. 235 */ 236 public String sourceDir; 237 238 /** 239 * Full path to the location of the publicly available parts of this package (i.e. the resources 240 * and manifest). For non-forward-locked apps this will be the same as {@link #sourceDir). 241 */ 242 public String publicSourceDir; 243 244 /** 245 * Paths to all shared libraries this application is linked against. This 246 * field is only set if the {@link PackageManager#GET_SHARED_LIBRARY_FILES 247 * PackageManager.GET_SHARED_LIBRARY_FILES} flag was used when retrieving 248 * the structure. 249 */ 250 public String[] sharedLibraryFiles; 251 252 /** 253 * Full path to a directory assigned to the package for its persistent 254 * data. 255 */ 256 public String dataDir; 257 258 /** 259 * The kernel user-ID that has been assigned to this application; 260 * currently this is not a unique ID (multiple applications can have 261 * the same uid). 262 */ 263 public int uid; 264 265 /** 266 * The minimum SDK version this application targets. It may run on earlier 267 * versions, but it knows how to work with any new behavior added at this 268 * version. Will be {@link android.os.Build.VERSION_CODES#CUR_DEVELOPMENT} 269 * if this is a development build and the app is targeting that. You should 270 * compare that this number is >= the SDK version number at which your 271 * behavior was introduced. 272 */ 273 public int targetSdkVersion; 274 275 /** 276 * When false, indicates that all components within this application are 277 * considered disabled, regardless of their individually set enabled status. 278 */ 279 public boolean enabled = true; 280 281 public void dump(Printer pw, String prefix) { 282 super.dumpFront(pw, prefix); 283 if (className != null) { 284 pw.println(prefix + "className=" + className); 285 } 286 if (permission != null) { 287 pw.println(prefix + "permission=" + permission); 288 } 289 pw.println(prefix + "uid=" + uid + " taskAffinity=" + taskAffinity); 290 if (theme != 0) { 291 pw.println(prefix + "theme=0x" + Integer.toHexString(theme)); 292 } 293 pw.println(prefix + "flags=0x" + Integer.toHexString(flags) 294 + " processName=" + processName); 295 pw.println(prefix + "sourceDir=" + sourceDir); 296 pw.println(prefix + "publicSourceDir=" + publicSourceDir); 297 pw.println(prefix + "dataDir=" + dataDir); 298 if (sharedLibraryFiles != null) { 299 pw.println(prefix + "sharedLibraryFiles=" + sharedLibraryFiles); 300 } 301 pw.println(prefix + "enabled=" + enabled + " targetSdkVersion=" + targetSdkVersion); 302 if (manageSpaceActivityName != null) { 303 pw.println(prefix + "manageSpaceActivityName="+manageSpaceActivityName); 304 } 305 if (descriptionRes != 0) { 306 pw.println(prefix + "description=0x"+Integer.toHexString(descriptionRes)); 307 } 308 super.dumpBack(pw, prefix); 309 } 310 311 public static class DisplayNameComparator 312 implements Comparator<ApplicationInfo> { 313 public DisplayNameComparator(PackageManager pm) { 314 mPM = pm; 315 } 316 317 public final int compare(ApplicationInfo aa, ApplicationInfo ab) { 318 CharSequence sa = mPM.getApplicationLabel(aa); 319 if (sa == null) { 320 sa = aa.packageName; 321 } 322 CharSequence sb = mPM.getApplicationLabel(ab); 323 if (sb == null) { 324 sb = ab.packageName; 325 } 326 327 return sCollator.compare(sa.toString(), sb.toString()); 328 } 329 330 private final Collator sCollator = Collator.getInstance(); 331 private PackageManager mPM; 332 } 333 334 public ApplicationInfo() { 335 } 336 337 public ApplicationInfo(ApplicationInfo orig) { 338 super(orig); 339 taskAffinity = orig.taskAffinity; 340 permission = orig.permission; 341 processName = orig.processName; 342 className = orig.className; 343 theme = orig.theme; 344 flags = orig.flags; 345 sourceDir = orig.sourceDir; 346 publicSourceDir = orig.publicSourceDir; 347 sharedLibraryFiles = orig.sharedLibraryFiles; 348 dataDir = orig.dataDir; 349 uid = orig.uid; 350 targetSdkVersion = orig.targetSdkVersion; 351 enabled = orig.enabled; 352 manageSpaceActivityName = orig.manageSpaceActivityName; 353 descriptionRes = orig.descriptionRes; 354 } 355 356 357 public String toString() { 358 return "ApplicationInfo{" 359 + Integer.toHexString(System.identityHashCode(this)) 360 + " " + packageName + "}"; 361 } 362 363 public int describeContents() { 364 return 0; 365 } 366 367 public void writeToParcel(Parcel dest, int parcelableFlags) { 368 super.writeToParcel(dest, parcelableFlags); 369 dest.writeString(taskAffinity); 370 dest.writeString(permission); 371 dest.writeString(processName); 372 dest.writeString(className); 373 dest.writeInt(theme); 374 dest.writeInt(flags); 375 dest.writeString(sourceDir); 376 dest.writeString(publicSourceDir); 377 dest.writeStringArray(sharedLibraryFiles); 378 dest.writeString(dataDir); 379 dest.writeInt(uid); 380 dest.writeInt(targetSdkVersion); 381 dest.writeInt(enabled ? 1 : 0); 382 dest.writeString(manageSpaceActivityName); 383 dest.writeString(backupAgentName); 384 dest.writeInt(descriptionRes); 385 } 386 387 public static final Parcelable.Creator<ApplicationInfo> CREATOR 388 = new Parcelable.Creator<ApplicationInfo>() { 389 public ApplicationInfo createFromParcel(Parcel source) { 390 return new ApplicationInfo(source); 391 } 392 public ApplicationInfo[] newArray(int size) { 393 return new ApplicationInfo[size]; 394 } 395 }; 396 397 private ApplicationInfo(Parcel source) { 398 super(source); 399 taskAffinity = source.readString(); 400 permission = source.readString(); 401 processName = source.readString(); 402 className = source.readString(); 403 theme = source.readInt(); 404 flags = source.readInt(); 405 sourceDir = source.readString(); 406 publicSourceDir = source.readString(); 407 sharedLibraryFiles = source.readStringArray(); 408 dataDir = source.readString(); 409 uid = source.readInt(); 410 targetSdkVersion = source.readInt(); 411 enabled = source.readInt() != 0; 412 manageSpaceActivityName = source.readString(); 413 backupAgentName = source.readString(); 414 descriptionRes = source.readInt(); 415 } 416 417 /** 418 * Retrieve the textual description of the application. This 419 * will call back on the given PackageManager to load the description from 420 * the application. 421 * 422 * @param pm A PackageManager from which the label can be loaded; usually 423 * the PackageManager from which you originally retrieved this item. 424 * 425 * @return Returns a CharSequence containing the application's description. 426 * If there is no description, null is returned. 427 */ 428 public CharSequence loadDescription(PackageManager pm) { 429 if (descriptionRes != 0) { 430 CharSequence label = pm.getText(packageName, descriptionRes, null); 431 if (label != null) { 432 return label; 433 } 434 } 435 return null; 436 } 437 438 /** 439 * Disable compatibility mode 440 * 441 * @hide 442 */ 443 public void disableCompatibilityMode() { 444 flags |= (FLAG_SUPPORTS_LARGE_SCREENS | FLAG_SUPPORTS_NORMAL_SCREENS | 445 FLAG_SUPPORTS_SMALL_SCREENS | FLAG_RESIZEABLE_FOR_SCREENS | 446 FLAG_SUPPORTS_SCREEN_DENSITIES); 447 } 448} 449