ApplicationInfo.java revision 181fafaf48208978b8ba2022683ffa78aaeddde1
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 set 135 * its android:targetSdkVersion to something >= the current SDK version. 136 */ 137 public static final int FLAG_TEST_ONLY = 1<<8; 138 139 /** 140 * Value for {@link #flags}: this is false if the application has set 141 * its android:allowBackup to false, true otherwise. 142 * 143 * {@hide} 144 */ 145 public static final int FLAG_ALLOW_BACKUP = 1<<10; 146 147 /** 148 * Flags associated with the application. Any combination of 149 * {@link #FLAG_SYSTEM}, {@link #FLAG_DEBUGGABLE}, {@link #FLAG_HAS_CODE}, 150 * {@link #FLAG_PERSISTENT}, {@link #FLAG_FACTORY_TEST}, and 151 * {@link #FLAG_ALLOW_TASK_REPARENTING} 152 * {@link #FLAG_ALLOW_CLEAR_USER_DATA}, {@link #FLAG_UPDATED_SYSTEM_APP}, 153 * {@link #FLAG_TEST_ONLY}. 154 */ 155 public int flags = 0; 156 157 /** 158 * Full path to the location of this package. 159 */ 160 public String sourceDir; 161 162 /** 163 * Full path to the location of the publicly available parts of this package (i.e. the resources 164 * and manifest). For non-forward-locked apps this will be the same as {@link #sourceDir). 165 */ 166 public String publicSourceDir; 167 168 /** 169 * Paths to all shared libraries this application is linked against. This 170 * field is only set if the {@link PackageManager#GET_SHARED_LIBRARY_FILES 171 * PackageManager.GET_SHARED_LIBRARY_FILES} flag was used when retrieving 172 * the structure. 173 */ 174 public String[] sharedLibraryFiles; 175 176 /** 177 * Full path to a directory assigned to the package for its persistent 178 * data. 179 */ 180 public String dataDir; 181 182 /** 183 * The kernel user-ID that has been assigned to this application; 184 * currently this is not a unique ID (multiple applications can have 185 * the same uid). 186 */ 187 public int uid; 188 189 190 /** 191 * The list of densities in DPI that application supprots. This 192 * field is only set if the {@link PackageManager#GET_SUPPORTS_DENSITIES} flag was 193 * used when retrieving the structure. 194 */ 195 public int[] supportsDensities; 196 197 /** 198 * The minimum SDK version this application targets. It may run on earilier 199 * versions, but it knows how to work with any new behavior added at this 200 * version. Will be {@link android.os.Build.VERSION_CODES#CUR_DEVELOPMENT} 201 * if this is a development build and the app is targeting that. You should 202 * compare that this number is >= the SDK version number at which your 203 * behavior was introduced. 204 */ 205 public int targetSdkVersion; 206 207 /** 208 * When false, indicates that all components within this application are 209 * considered disabled, regardless of their individually set enabled status. 210 */ 211 public boolean enabled = true; 212 213 public void dump(Printer pw, String prefix) { 214 super.dumpFront(pw, prefix); 215 pw.println(prefix + "className=" + className); 216 pw.println(prefix + "permission=" + permission 217 + " uid=" + uid); 218 pw.println(prefix + "taskAffinity=" + taskAffinity); 219 pw.println(prefix + "theme=0x" + Integer.toHexString(theme)); 220 pw.println(prefix + "flags=0x" + Integer.toHexString(flags) 221 + " processName=" + processName); 222 pw.println(prefix + "sourceDir=" + sourceDir); 223 pw.println(prefix + "publicSourceDir=" + publicSourceDir); 224 pw.println(prefix + "sharedLibraryFiles=" + sharedLibraryFiles); 225 pw.println(prefix + "dataDir=" + dataDir); 226 pw.println(prefix + "targetSdkVersion=" + targetSdkVersion); 227 pw.println(prefix + "enabled=" + enabled); 228 pw.println(prefix + "manageSpaceActivityName="+manageSpaceActivityName); 229 pw.println(prefix + "description=0x"+Integer.toHexString(descriptionRes)); 230 pw.println(prefix + "supportsDensities=" + supportsDensities); 231 super.dumpBack(pw, prefix); 232 } 233 234 public static class DisplayNameComparator 235 implements Comparator<ApplicationInfo> { 236 public DisplayNameComparator(PackageManager pm) { 237 mPM = pm; 238 } 239 240 public final int compare(ApplicationInfo aa, ApplicationInfo ab) { 241 CharSequence sa = mPM.getApplicationLabel(aa); 242 if (sa == null) { 243 sa = aa.packageName; 244 } 245 CharSequence sb = mPM.getApplicationLabel(ab); 246 if (sb == null) { 247 sb = ab.packageName; 248 } 249 250 return sCollator.compare(sa.toString(), sb.toString()); 251 } 252 253 private final Collator sCollator = Collator.getInstance(); 254 private PackageManager mPM; 255 } 256 257 public ApplicationInfo() { 258 } 259 260 public ApplicationInfo(ApplicationInfo orig) { 261 super(orig); 262 taskAffinity = orig.taskAffinity; 263 permission = orig.permission; 264 processName = orig.processName; 265 className = orig.className; 266 theme = orig.theme; 267 flags = orig.flags; 268 sourceDir = orig.sourceDir; 269 publicSourceDir = orig.publicSourceDir; 270 sharedLibraryFiles = orig.sharedLibraryFiles; 271 dataDir = orig.dataDir; 272 uid = orig.uid; 273 targetSdkVersion = orig.targetSdkVersion; 274 enabled = orig.enabled; 275 manageSpaceActivityName = orig.manageSpaceActivityName; 276 descriptionRes = orig.descriptionRes; 277 supportsDensities = orig.supportsDensities; 278 } 279 280 281 public String toString() { 282 return "ApplicationInfo{" 283 + Integer.toHexString(System.identityHashCode(this)) 284 + " " + packageName + "}"; 285 } 286 287 public int describeContents() { 288 return 0; 289 } 290 291 public void writeToParcel(Parcel dest, int parcelableFlags) { 292 super.writeToParcel(dest, parcelableFlags); 293 dest.writeString(taskAffinity); 294 dest.writeString(permission); 295 dest.writeString(processName); 296 dest.writeString(className); 297 dest.writeInt(theme); 298 dest.writeInt(flags); 299 dest.writeString(sourceDir); 300 dest.writeString(publicSourceDir); 301 dest.writeStringArray(sharedLibraryFiles); 302 dest.writeString(dataDir); 303 dest.writeInt(uid); 304 dest.writeInt(targetSdkVersion); 305 dest.writeInt(enabled ? 1 : 0); 306 dest.writeString(manageSpaceActivityName); 307 dest.writeString(backupAgentName); 308 dest.writeInt(descriptionRes); 309 dest.writeIntArray(supportsDensities); 310 } 311 312 public static final Parcelable.Creator<ApplicationInfo> CREATOR 313 = new Parcelable.Creator<ApplicationInfo>() { 314 public ApplicationInfo createFromParcel(Parcel source) { 315 return new ApplicationInfo(source); 316 } 317 public ApplicationInfo[] newArray(int size) { 318 return new ApplicationInfo[size]; 319 } 320 }; 321 322 private ApplicationInfo(Parcel source) { 323 super(source); 324 taskAffinity = source.readString(); 325 permission = source.readString(); 326 processName = source.readString(); 327 className = source.readString(); 328 theme = source.readInt(); 329 flags = source.readInt(); 330 sourceDir = source.readString(); 331 publicSourceDir = source.readString(); 332 sharedLibraryFiles = source.readStringArray(); 333 dataDir = source.readString(); 334 uid = source.readInt(); 335 targetSdkVersion = source.readInt(); 336 enabled = source.readInt() != 0; 337 manageSpaceActivityName = source.readString(); 338 backupAgentName = source.readString(); 339 descriptionRes = source.readInt(); 340 supportsDensities = source.createIntArray(); 341 } 342 343 /** 344 * Retrieve the textual description of the application. This 345 * will call back on the given PackageManager to load the description from 346 * the application. 347 * 348 * @param pm A PackageManager from which the label can be loaded; usually 349 * the PackageManager from which you originally retrieved this item. 350 * 351 * @return Returns a CharSequence containing the application's description. 352 * If there is no description, null is returned. 353 */ 354 public CharSequence loadDescription(PackageManager pm) { 355 if (descriptionRes != 0) { 356 CharSequence label = pm.getText(packageName, descriptionRes, null); 357 if (label != null) { 358 return label; 359 } 360 } 361 return null; 362 } 363} 364