1 package android.content.pm; 2 3 import android.os.Parcel; 4 import android.os.Parcelable; 5 import android.util.Printer; 6 7 import java.text.Collator; 8 import 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 */ 15 public 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 * Flags associated with the application. Any combination of 212 * {@link #FLAG_SYSTEM}, {@link #FLAG_DEBUGGABLE}, {@link #FLAG_HAS_CODE}, 213 * {@link #FLAG_PERSISTENT}, {@link #FLAG_FACTORY_TEST}, and 214 * {@link #FLAG_ALLOW_TASK_REPARENTING} 215 * {@link #FLAG_ALLOW_CLEAR_USER_DATA}, {@link #FLAG_UPDATED_SYSTEM_APP}, 216 * {@link #FLAG_TEST_ONLY}, {@link #FLAG_SUPPORTS_SMALL_SCREENS}, 217 * {@link #FLAG_SUPPORTS_NORMAL_SCREENS}, 218 * {@link #FLAG_SUPPORTS_LARGE_SCREENS}, {@link #FLAG_RESIZEABLE_FOR_SCREENS}, 219 * {@link #FLAG_SUPPORTS_SCREEN_DENSITIES}. 220 */ 221 public int flags = 0; 222 223 /** 224 * Full path to the location of this package. 225 */ 226 public String sourceDir; 227 228 /** 229 * Full path to the location of the publicly available parts of this package (i.e. the resources 230 * and manifest). For non-forward-locked apps this will be the same as {@link #sourceDir). 231 */ 232 public String publicSourceDir; 233 234 /** 235 * Paths to all shared libraries this application is linked against. This 236 * field is only set if the {@link PackageManager#GET_SHARED_LIBRARY_FILES 237 * PackageManager.GET_SHARED_LIBRARY_FILES} flag was used when retrieving 238 * the structure. 239 */ 240 public String[] sharedLibraryFiles; 241 242 /** 243 * Full path to a directory assigned to the package for its persistent 244 * data. 245 */ 246 public String dataDir; 247 248 /** 249 * The kernel user-ID that has been assigned to this application; 250 * currently this is not a unique ID (multiple applications can have 251 * the same uid). 252 */ 253 public int uid; 254 255 /** 256 * The minimum SDK version this application targets. It may run on earlier 257 * versions, but it knows how to work with any new behavior added at this 258 * version. Will be {@link android.os.Build.VERSION_CODES#CUR_DEVELOPMENT} 259 * if this is a development build and the app is targeting that. You should 260 * compare that this number is >= the SDK version number at which your 261 * behavior was introduced. 262 */ 263 public int targetSdkVersion; 264 265 /** 266 * When false, indicates that all components within this application are 267 * considered disabled, regardless of their individually set enabled status. 268 */ 269 public boolean enabled = true; 270 dump(Printer pw, String prefix)271 public void dump(Printer pw, String prefix) { 272 super.dumpFront(pw, prefix); 273 if (className != null) { 274 pw.println(prefix + "className=" + className); 275 } 276 if (permission != null) { 277 pw.println(prefix + "permission=" + permission); 278 } 279 pw.println(prefix + "uid=" + uid + " taskAffinity=" + taskAffinity); 280 if (theme != 0) { 281 pw.println(prefix + "theme=0x" + Integer.toHexString(theme)); 282 } 283 pw.println(prefix + "flags=0x" + Integer.toHexString(flags) 284 + " processName=" + processName); 285 pw.println(prefix + "sourceDir=" + sourceDir); 286 pw.println(prefix + "publicSourceDir=" + publicSourceDir); 287 pw.println(prefix + "dataDir=" + dataDir); 288 if (sharedLibraryFiles != null) { 289 pw.println(prefix + "sharedLibraryFiles=" + sharedLibraryFiles); 290 } 291 pw.println(prefix + "enabled=" + enabled + " targetSdkVersion=" + targetSdkVersion); 292 if (manageSpaceActivityName != null) { 293 pw.println(prefix + "manageSpaceActivityName="+manageSpaceActivityName); 294 } 295 if (descriptionRes != 0) { 296 pw.println(prefix + "description=0x"+Integer.toHexString(descriptionRes)); 297 } 298 super.dumpBack(pw, prefix); 299 } 300 301 public static class DisplayNameComparator 302 implements Comparator<ApplicationInfo> { DisplayNameComparator(PackageManager pm)303 public DisplayNameComparator(PackageManager pm) { 304 mPM = pm; 305 } 306 compare(ApplicationInfo aa, ApplicationInfo ab)307 public final int compare(ApplicationInfo aa, ApplicationInfo ab) { 308 CharSequence sa = mPM.getApplicationLabel(aa); 309 if (sa == null) { 310 sa = aa.packageName; 311 } 312 CharSequence sb = mPM.getApplicationLabel(ab); 313 if (sb == null) { 314 sb = ab.packageName; 315 } 316 317 return sCollator.compare(sa.toString(), sb.toString()); 318 } 319 320 private final Collator sCollator = Collator.getInstance(); 321 private PackageManager mPM; 322 } 323 ApplicationInfo()324 public ApplicationInfo() { 325 } 326 ApplicationInfo(ApplicationInfo orig)327 public ApplicationInfo(ApplicationInfo orig) { 328 super(orig); 329 taskAffinity = orig.taskAffinity; 330 permission = orig.permission; 331 processName = orig.processName; 332 className = orig.className; 333 theme = orig.theme; 334 flags = orig.flags; 335 sourceDir = orig.sourceDir; 336 publicSourceDir = orig.publicSourceDir; 337 sharedLibraryFiles = orig.sharedLibraryFiles; 338 dataDir = orig.dataDir; 339 uid = orig.uid; 340 targetSdkVersion = orig.targetSdkVersion; 341 enabled = orig.enabled; 342 manageSpaceActivityName = orig.manageSpaceActivityName; 343 descriptionRes = orig.descriptionRes; 344 } 345 346 toString()347 public String toString() { 348 return "ApplicationInfo{" 349 + Integer.toHexString(System.identityHashCode(this)) 350 + " " + packageName + "}"; 351 } 352 describeContents()353 public int describeContents() { 354 return 0; 355 } 356 writeToParcel(Parcel dest, int parcelableFlags)357 public void writeToParcel(Parcel dest, int parcelableFlags) { 358 super.writeToParcel(dest, parcelableFlags); 359 dest.writeString(taskAffinity); 360 dest.writeString(permission); 361 dest.writeString(processName); 362 dest.writeString(className); 363 dest.writeInt(theme); 364 dest.writeInt(flags); 365 dest.writeString(sourceDir); 366 dest.writeString(publicSourceDir); 367 dest.writeStringArray(sharedLibraryFiles); 368 dest.writeString(dataDir); 369 dest.writeInt(uid); 370 dest.writeInt(targetSdkVersion); 371 dest.writeInt(enabled ? 1 : 0); 372 dest.writeString(manageSpaceActivityName); 373 dest.writeString(backupAgentName); 374 dest.writeInt(descriptionRes); 375 } 376 377 public static final Parcelable.Creator<ApplicationInfo> CREATOR 378 = new Parcelable.Creator<ApplicationInfo>() { 379 public ApplicationInfo createFromParcel(Parcel source) { 380 return new ApplicationInfo(source); 381 } 382 public ApplicationInfo[] newArray(int size) { 383 return new ApplicationInfo[size]; 384 } 385 }; 386 ApplicationInfo(Parcel source)387 private ApplicationInfo(Parcel source) { 388 super(source); 389 taskAffinity = source.readString(); 390 permission = source.readString(); 391 processName = source.readString(); 392 className = source.readString(); 393 theme = source.readInt(); 394 flags = source.readInt(); 395 sourceDir = source.readString(); 396 publicSourceDir = source.readString(); 397 sharedLibraryFiles = source.readStringArray(); 398 dataDir = source.readString(); 399 uid = source.readInt(); 400 targetSdkVersion = source.readInt(); 401 enabled = source.readInt() != 0; 402 manageSpaceActivityName = source.readString(); 403 backupAgentName = source.readString(); 404 descriptionRes = source.readInt(); 405 } 406 407 /** 408 * Retrieve the textual description of the application. This 409 * will call back on the given PackageManager to load the description from 410 * the application. 411 * 412 * @param pm A PackageManager from which the label can be loaded; usually 413 * the PackageManager from which you originally retrieved this item. 414 * 415 * @return Returns a CharSequence containing the application's description. 416 * If there is no description, null is returned. 417 */ loadDescription(PackageManager pm)418 public CharSequence loadDescription(PackageManager pm) { 419 if (descriptionRes != 0) { 420 CharSequence label = pm.getText(packageName, descriptionRes, null); 421 if (label != null) { 422 return label; 423 } 424 } 425 return null; 426 } 427 428 /** 429 * Disable compatibility mode 430 * 431 * @hide 432 */ disableCompatibilityMode()433 public void disableCompatibilityMode() { 434 flags |= (FLAG_SUPPORTS_LARGE_SCREENS | FLAG_SUPPORTS_NORMAL_SCREENS | 435 FLAG_SUPPORTS_SMALL_SCREENS | FLAG_RESIZEABLE_FOR_SCREENS | 436 FLAG_SUPPORTS_SCREEN_DENSITIES); 437 } 438 } 439