ApplicationInfo.java revision f013e1afd1e68af5e3b868c26a653bbfb39538f8 
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     * application's dont specify it in their manifest
62     */
63    public String manageSpaceActivityName;
64
65    /**
66     * Value for {@link #flags}: if set, this application is installed in the
67     * device's system image.
68     */
69    public static final int FLAG_SYSTEM = 1<<0;
70
71    /**
72     * Value for {@link #flags}: set to true if this application would like to
73     * allow debugging of its
74     * code, even when installed on a non-development system.  Comes
75     * from {@link android.R.styleable#AndroidManifestApplication_debuggable
76     * android:debuggable} of the &lt;application&gt; tag.
77     */
78    public static final int FLAG_DEBUGGABLE = 1<<1;
79
80    /**
81     * Value for {@link #flags}: set to true if this application has code
82     * associated with it.  Comes
83     * from {@link android.R.styleable#AndroidManifestApplication_hasCode
84     * android:hasCode} of the &lt;application&gt; tag.
85     */
86    public static final int FLAG_HAS_CODE = 1<<2;
87
88    /**
89     * Value for {@link #flags}: set to true if this application is persistent.
90     * Comes from {@link android.R.styleable#AndroidManifestApplication_persistent
91     * android:persistent} of the &lt;application&gt; tag.
92     */
93    public static final int FLAG_PERSISTENT = 1<<3;
94
95    /**
96     * Value for {@link #flags}: set to true iif this application holds the
97     * {@link android.Manifest.permission#FACTORY_TEST} permission and the
98     * device is running in factory test mode.
99     */
100    public static final int FLAG_FACTORY_TEST = 1<<4;
101
102    /**
103     * Value for {@link #flags}: default value for the corresponding ActivityInfo flag.
104     * Comes from {@link android.R.styleable#AndroidManifestApplication_allowTaskReparenting
105     * android:allowTaskReparenting} of the &lt;application&gt; tag.
106     */
107    public static final int FLAG_ALLOW_TASK_REPARENTING = 1<<5;
108
109    /**
110     * Value for {@link #flags}: default value for the corresponding ActivityInfo flag.
111     * Comes from {@link android.R.styleable#AndroidManifestApplication_allowClearUserData
112     * android:allowClearUserData} of the &lt;application&gt; tag.
113     */
114    public static final int FLAG_ALLOW_CLEAR_USER_DATA = 1<<6;
115
116
117    /**
118     * Value for {@link #flags}: default value for the corresponding ActivityInfo flag.
119     *  {@hide}
120     */
121    public static final int FLAG_UPDATED_SYSTEM_APP = 1<<7;
122
123    /**
124     * Flags associated with the application.  Any combination of
125     * {@link #FLAG_SYSTEM}, {@link #FLAG_DEBUGGABLE}, {@link #FLAG_HAS_CODE},
126     * {@link #FLAG_PERSISTENT}, {@link #FLAG_FACTORY_TEST}, and
127     * {@link #FLAG_ALLOW_TASK_REPARENTING}
128     * {@link #FLAG_ALLOW_CLEAR_USER_DATA}.
129     */
130    public int flags = 0;
131
132    /**
133     * Full path to the location of this package.
134     */
135    public String sourceDir;
136
137    /**
138     * Full path to the location of the publicly available parts of this package (i.e. the resources
139     * and manifest).  For non-forward-locked apps this will be the same as {@link #sourceDir).
140     */
141    public String publicSourceDir;
142
143    /**
144     * Paths to all shared libraries this application is linked against.  This
145     * field is only set if the {@link PackageManager#GET_SHARED_LIBRARY_FILES
146     * PackageManager.GET_SHARED_LIBRARY_FILES} flag was used when retrieving
147     * the structure.
148     */
149    public String[] sharedLibraryFiles;
150
151    /**
152     * Full path to a directory assigned to the package for its persistent
153     * data.
154     */
155    public String dataDir;
156
157    /**
158     * The kernel user-ID that has been assigned to this application;
159     * currently this is not a unique ID (multiple applications can have
160     * the same uid).
161     */
162    public int uid;
163
164    /**
165     * When false, indicates that all components within this application are
166     * considered disabled, regardless of their individually set enabled status.
167     */
168    public boolean enabled = true;
169
170    public void dump(Printer pw, String prefix) {
171        super.dumpFront(pw, prefix);
172        pw.println(prefix + "className=" + className);
173        pw.println(prefix + "permission=" + permission
174                + " uid=" + uid);
175        pw.println(prefix + "taskAffinity=" + taskAffinity);
176        pw.println(prefix + "theme=0x" + Integer.toHexString(theme));
177        pw.println(prefix + "flags=0x" + Integer.toHexString(flags)
178                + " processName=" + processName);
179        pw.println(prefix + "sourceDir=" + sourceDir);
180        pw.println(prefix + "publicSourceDir=" + publicSourceDir);
181        pw.println(prefix + "sharedLibraryFiles=" + sharedLibraryFiles);
182        pw.println(prefix + "dataDir=" + dataDir);
183        pw.println(prefix + "enabled=" + enabled);
184        pw.println(prefix+"manageSpaceActivityName="+manageSpaceActivityName);
185        pw.println(prefix+"description=0x"+Integer.toHexString(descriptionRes));
186        super.dumpBack(pw, prefix);
187    }
188
189    public static class DisplayNameComparator
190            implements Comparator<ApplicationInfo> {
191        public DisplayNameComparator(PackageManager pm) {
192            mPM = pm;
193        }
194
195        public final int compare(ApplicationInfo aa, ApplicationInfo ab) {
196            CharSequence  sa = mPM.getApplicationLabel(aa);
197            if (sa == null) {
198                sa = aa.packageName;
199            }
200            CharSequence  sb = mPM.getApplicationLabel(ab);
201            if (sb == null) {
202                sb = ab.packageName;
203            }
204
205            return sCollator.compare(sa.toString(), sb.toString());
206        }
207
208        private final Collator   sCollator = Collator.getInstance();
209        private PackageManager   mPM;
210    }
211
212    public ApplicationInfo() {
213    }
214
215    public ApplicationInfo(ApplicationInfo orig) {
216        super(orig);
217        taskAffinity = orig.taskAffinity;
218        permission = orig.permission;
219        processName = orig.processName;
220        className = orig.className;
221        theme = orig.theme;
222        flags = orig.flags;
223        sourceDir = orig.sourceDir;
224        publicSourceDir = orig.publicSourceDir;
225        sharedLibraryFiles = orig.sharedLibraryFiles;
226        dataDir = orig.dataDir;
227        uid = orig.uid;
228        enabled = orig.enabled;
229        manageSpaceActivityName = orig.manageSpaceActivityName;
230        descriptionRes = orig.descriptionRes;
231    }
232
233
234    public String toString() {
235        return "ApplicationInfo{"
236            + Integer.toHexString(System.identityHashCode(this))
237            + " " + packageName + "}";
238    }
239
240    public int describeContents() {
241        return 0;
242    }
243
244    public void writeToParcel(Parcel dest, int parcelableFlags) {
245        super.writeToParcel(dest, parcelableFlags);
246        dest.writeString(taskAffinity);
247        dest.writeString(permission);
248        dest.writeString(processName);
249        dest.writeString(className);
250        dest.writeInt(theme);
251        dest.writeInt(flags);
252        dest.writeString(sourceDir);
253        dest.writeString(publicSourceDir);
254        dest.writeStringArray(sharedLibraryFiles);
255        dest.writeString(dataDir);
256        dest.writeInt(uid);
257        dest.writeInt(enabled ? 1 : 0);
258        dest.writeString(manageSpaceActivityName);
259        dest.writeInt(descriptionRes);
260    }
261
262    public static final Parcelable.Creator<ApplicationInfo> CREATOR
263            = new Parcelable.Creator<ApplicationInfo>() {
264        public ApplicationInfo createFromParcel(Parcel source) {
265            return new ApplicationInfo(source);
266        }
267        public ApplicationInfo[] newArray(int size) {
268            return new ApplicationInfo[size];
269        }
270    };
271
272    private ApplicationInfo(Parcel source) {
273        super(source);
274        taskAffinity = source.readString();
275        permission = source.readString();
276        processName = source.readString();
277        className = source.readString();
278        theme = source.readInt();
279        flags = source.readInt();
280        sourceDir = source.readString();
281        publicSourceDir = source.readString();
282        sharedLibraryFiles = source.readStringArray();
283        dataDir = source.readString();
284        uid = source.readInt();
285        enabled = source.readInt() != 0;
286        manageSpaceActivityName = source.readString();
287        descriptionRes = source.readInt();
288    }
289
290    /**
291     * Retrieve the textual description of the application.  This
292     * will call back on the given PackageManager to load the description from
293     * the application.
294     *
295     * @param pm A PackageManager from which the label can be loaded; usually
296     * the PackageManager from which you originally retrieved this item.
297     *
298     * @return Returns a CharSequence containing the application's description.
299     * If there is no description, null is returned.
300     */
301    public CharSequence loadDescription(PackageManager pm) {
302        if (descriptionRes != 0) {
303            CharSequence label = pm.getText(packageName, descriptionRes, null);
304            if (label != null) {
305                return label;
306            }
307        }
308        return null;
309    }
310}
311