Intent.java revision 21e941bf43362ddc6639a9f2d0828053360f53d7
1/*
2 * Copyright (C) 2006 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
17package android.content;
18
19import org.xmlpull.v1.XmlPullParser;
20import org.xmlpull.v1.XmlPullParserException;
21
22import android.annotation.SdkConstant;
23import android.annotation.SdkConstant.SdkConstantType;
24import android.content.pm.ActivityInfo;
25import android.content.pm.PackageManager;
26import android.content.pm.ResolveInfo;
27import android.content.res.Resources;
28import android.content.res.TypedArray;
29import android.graphics.Rect;
30import android.net.Uri;
31import android.os.Bundle;
32import android.os.IBinder;
33import android.os.Parcel;
34import android.os.Parcelable;
35import android.util.AttributeSet;
36import android.util.Log;
37
38import com.android.internal.util.XmlUtils;
39
40import java.io.IOException;
41import java.io.Serializable;
42import java.net.URISyntaxException;
43import java.util.ArrayList;
44import java.util.HashSet;
45import java.util.Iterator;
46import java.util.Set;
47
48/**
49 * An intent is an abstract description of an operation to be performed.  It
50 * can be used with {@link Context#startActivity(Intent) startActivity} to
51 * launch an {@link android.app.Activity},
52 * {@link android.content.Context#sendBroadcast(Intent) broadcastIntent} to
53 * send it to any interested {@link BroadcastReceiver BroadcastReceiver} components,
54 * and {@link android.content.Context#startService} or
55 * {@link android.content.Context#bindService} to communicate with a
56 * background {@link android.app.Service}.
57 *
58 * <p>An Intent provides a facility for performing late runtime binding between
59 * the code in different applications.  Its most significant use is in the
60 * launching of activities, where it can be thought of as the glue between
61 * activities. It is
62 * basically a passive data structure holding an abstract description of an
63 * action to be performed. The primary pieces of information in an intent
64 * are:</p>
65 *
66 * <ul>
67 *   <li> <p><b>action</b> -- The general action to be performed, such as
68 *     {@link #ACTION_VIEW}, {@link #ACTION_EDIT}, {@link #ACTION_MAIN},
69 *     etc.</p>
70 *   </li>
71 *   <li> <p><b>data</b> -- The data to operate on, such as a person record
72 *     in the contacts database, expressed as a {@link android.net.Uri}.</p>
73 *   </li>
74 * </ul>
75 *
76 *
77 * <p>Some examples of action/data pairs are:</p>
78 *
79 * <ul>
80 *   <li> <p><b>{@link #ACTION_VIEW} <i>content://contacts/people/1</i></b> -- Display
81 *     information about the person whose identifier is "1".</p>
82 *   </li>
83 *   <li> <p><b>{@link #ACTION_DIAL} <i>content://contacts/people/1</i></b> -- Display
84 *     the phone dialer with the person filled in.</p>
85 *   </li>
86 *   <li> <p><b>{@link #ACTION_VIEW} <i>tel:123</i></b> -- Display
87 *     the phone dialer with the given number filled in.  Note how the
88 *     VIEW action does what what is considered the most reasonable thing for
89 *     a particular URI.</p>
90 *   </li>
91 *   <li> <p><b>{@link #ACTION_DIAL} <i>tel:123</i></b> -- Display
92 *     the phone dialer with the given number filled in.</p>
93 *   </li>
94 *   <li> <p><b>{@link #ACTION_EDIT} <i>content://contacts/people/1</i></b> -- Edit
95 *     information about the person whose identifier is "1".</p>
96 *   </li>
97 *   <li> <p><b>{@link #ACTION_VIEW} <i>content://contacts/people/</i></b> -- Display
98 *     a list of people, which the user can browse through.  This example is a
99 *     typical top-level entry into the Contacts application, showing you the
100 *     list of people. Selecting a particular person to view would result in a
101 *     new intent { <b>{@link #ACTION_VIEW} <i>content://contacts/N</i></b> }
102 *     being used to start an activity to display that person.</p>
103 *   </li>
104 * </ul>
105 *
106 * <p>In addition to these primary attributes, there are a number of secondary
107 * attributes that you can also include with an intent:</p>
108 *
109 * <ul>
110 *     <li> <p><b>category</b> -- Gives additional information about the action
111 *         to execute.  For example, {@link #CATEGORY_LAUNCHER} means it should
112 *         appear in the Launcher as a top-level application, while
113 *         {@link #CATEGORY_ALTERNATIVE} means it should be included in a list
114 *         of alternative actions the user can perform on a piece of data.</p>
115 *     <li> <p><b>type</b> -- Specifies an explicit type (a MIME type) of the
116 *         intent data.  Normally the type is inferred from the data itself.
117 *         By setting this attribute, you disable that evaluation and force
118 *         an explicit type.</p>
119 *     <li> <p><b>component</b> -- Specifies an explicit name of a component
120 *         class to use for the intent.  Normally this is determined by looking
121 *         at the other information in the intent (the action, data/type, and
122 *         categories) and matching that with a component that can handle it.
123 *         If this attribute is set then none of the evaluation is performed,
124 *         and this component is used exactly as is.  By specifying this attribute,
125 *         all of the other Intent attributes become optional.</p>
126 *     <li> <p><b>extras</b> -- This is a {@link Bundle} of any additional information.
127 *         This can be used to provide extended information to the component.
128 *         For example, if we have a action to send an e-mail message, we could
129 *         also include extra pieces of data here to supply a subject, body,
130 *         etc.</p>
131 * </ul>
132 *
133 * <p>Here are some examples of other operations you can specify as intents
134 * using these additional parameters:</p>
135 *
136 * <ul>
137 *   <li> <p><b>{@link #ACTION_MAIN} with category {@link #CATEGORY_HOME}</b> --
138 *     Launch the home screen.</p>
139 *   </li>
140 *   <li> <p><b>{@link #ACTION_GET_CONTENT} with MIME type
141 *     <i>{@link android.provider.Contacts.Phones#CONTENT_URI
142 *     vnd.android.cursor.item/phone}</i></b>
143 *     -- Display the list of people's phone numbers, allowing the user to
144 *     browse through them and pick one and return it to the parent activity.</p>
145 *   </li>
146 *   <li> <p><b>{@link #ACTION_GET_CONTENT} with MIME type
147 *     <i>*{@literal /}*</i> and category {@link #CATEGORY_OPENABLE}</b>
148 *     -- Display all pickers for data that can be opened with
149 *     {@link ContentResolver#openInputStream(Uri) ContentResolver.openInputStream()},
150 *     allowing the user to pick one of them and then some data inside of it
151 *     and returning the resulting URI to the caller.  This can be used,
152 *     for example, in an e-mail application to allow the user to pick some
153 *     data to include as an attachment.</p>
154 *   </li>
155 * </ul>
156 *
157 * <p>There are a variety of standard Intent action and category constants
158 * defined in the Intent class, but applications can also define their own.
159 * These strings use java style scoping, to ensure they are unique -- for
160 * example, the standard {@link #ACTION_VIEW} is called
161 * "android.intent.action.VIEW".</p>
162 *
163 * <p>Put together, the set of actions, data types, categories, and extra data
164 * defines a language for the system allowing for the expression of phrases
165 * such as "call john smith's cell".  As applications are added to the system,
166 * they can extend this language by adding new actions, types, and categories, or
167 * they can modify the behavior of existing phrases by supplying their own
168 * activities that handle them.</p>
169 *
170 * <a name="IntentResolution"></a>
171 * <h3>Intent Resolution</h3>
172 *
173 * <p>There are two primary forms of intents you will use.
174 *
175 * <ul>
176 *     <li> <p><b>Explicit Intents</b> have specified a component (via
177 *     {@link #setComponent} or {@link #setClass}), which provides the exact
178 *     class to be run.  Often these will not include any other information,
179 *     simply being a way for an application to launch various internal
180 *     activities it has as the user interacts with the application.
181 *
182 *     <li> <p><b>Implicit Intents</b> have not specified a component;
183 *     instead, they must include enough information for the system to
184 *     determine which of the available components is best to run for that
185 *     intent.
186 * </ul>
187 *
188 * <p>When using implicit intents, given such an arbitrary intent we need to
189 * know what to do with it. This is handled by the process of <em>Intent
190 * resolution</em>, which maps an Intent to an {@link android.app.Activity},
191 * {@link BroadcastReceiver}, or {@link android.app.Service} (or sometimes two or
192 * more activities/receivers) that can handle it.</p>
193 *
194 * <p>The intent resolution mechanism basically revolves around matching an
195 * Intent against all of the &lt;intent-filter&gt; descriptions in the
196 * installed application packages.  (Plus, in the case of broadcasts, any {@link BroadcastReceiver}
197 * objects explicitly registered with {@link Context#registerReceiver}.)  More
198 * details on this can be found in the documentation on the {@link
199 * IntentFilter} class.</p>
200 *
201 * <p>There are three pieces of information in the Intent that are used for
202 * resolution: the action, type, and category.  Using this information, a query
203 * is done on the {@link PackageManager} for a component that can handle the
204 * intent. The appropriate component is determined based on the intent
205 * information supplied in the <code>AndroidManifest.xml</code> file as
206 * follows:</p>
207 *
208 * <ul>
209 *     <li> <p>The <b>action</b>, if given, must be listed by the component as
210 *         one it handles.</p>
211 *     <li> <p>The <b>type</b> is retrieved from the Intent's data, if not
212 *         already supplied in the Intent.  Like the action, if a type is
213 *         included in the intent (either explicitly or implicitly in its
214 *         data), then this must be listed by the component as one it handles.</p>
215 *     <li> For data that is not a <code>content:</code> URI and where no explicit
216 *         type is included in the Intent, instead the <b>scheme</b> of the
217 *         intent data (such as <code>http:</code> or <code>mailto:</code>) is
218 *         considered. Again like the action, if we are matching a scheme it
219 *         must be listed by the component as one it can handle.
220 *     <li> <p>The <b>categories</b>, if supplied, must <em>all</em> be listed
221 *         by the activity as categories it handles.  That is, if you include
222 *         the categories {@link #CATEGORY_LAUNCHER} and
223 *         {@link #CATEGORY_ALTERNATIVE}, then you will only resolve to components
224 *         with an intent that lists <em>both</em> of those categories.
225 *         Activities will very often need to support the
226 *         {@link #CATEGORY_DEFAULT} so that they can be found by
227 *         {@link Context#startActivity Context.startActivity()}.</p>
228 * </ul>
229 *
230 * <p>For example, consider the Note Pad sample application that
231 * allows user to browse through a list of notes data and view details about
232 * individual items.  Text in italics indicate places were you would replace a
233 * name with one specific to your own package.</p>
234 *
235 * <pre> &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
236 *       package="<i>com.android.notepad</i>"&gt;
237 *     &lt;application android:icon="@drawable/app_notes"
238 *             android:label="@string/app_name"&gt;
239 *
240 *         &lt;provider class=".NotePadProvider"
241 *                 android:authorities="<i>com.google.provider.NotePad</i>" /&gt;
242 *
243 *         &lt;activity class=".NotesList" android:label="@string/title_notes_list"&gt;
244 *             &lt;intent-filter&gt;
245 *                 &lt;action android:name="android.intent.action.MAIN" /&gt;
246 *                 &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
247 *             &lt;/intent-filter&gt;
248 *             &lt;intent-filter&gt;
249 *                 &lt;action android:name="android.intent.action.VIEW" /&gt;
250 *                 &lt;action android:name="android.intent.action.EDIT" /&gt;
251 *                 &lt;action android:name="android.intent.action.PICK" /&gt;
252 *                 &lt;category android:name="android.intent.category.DEFAULT" /&gt;
253 *                 &lt;data android:mimeType="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
254 *             &lt;/intent-filter&gt;
255 *             &lt;intent-filter&gt;
256 *                 &lt;action android:name="android.intent.action.GET_CONTENT" /&gt;
257 *                 &lt;category android:name="android.intent.category.DEFAULT" /&gt;
258 *                 &lt;data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
259 *             &lt;/intent-filter&gt;
260 *         &lt;/activity&gt;
261 *
262 *         &lt;activity class=".NoteEditor" android:label="@string/title_note"&gt;
263 *             &lt;intent-filter android:label="@string/resolve_edit"&gt;
264 *                 &lt;action android:name="android.intent.action.VIEW" /&gt;
265 *                 &lt;action android:name="android.intent.action.EDIT" /&gt;
266 *                 &lt;category android:name="android.intent.category.DEFAULT" /&gt;
267 *                 &lt;data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
268 *             &lt;/intent-filter&gt;
269 *
270 *             &lt;intent-filter&gt;
271 *                 &lt;action android:name="android.intent.action.INSERT" /&gt;
272 *                 &lt;category android:name="android.intent.category.DEFAULT" /&gt;
273 *                 &lt;data android:mimeType="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
274 *             &lt;/intent-filter&gt;
275 *
276 *         &lt;/activity&gt;
277 *
278 *         &lt;activity class=".TitleEditor" android:label="@string/title_edit_title"
279 *                 android:theme="@android:style/Theme.Dialog"&gt;
280 *             &lt;intent-filter android:label="@string/resolve_title"&gt;
281 *                 &lt;action android:name="<i>com.android.notepad.action.EDIT_TITLE</i>" /&gt;
282 *                 &lt;category android:name="android.intent.category.DEFAULT" /&gt;
283 *                 &lt;category android:name="android.intent.category.ALTERNATIVE" /&gt;
284 *                 &lt;category android:name="android.intent.category.SELECTED_ALTERNATIVE" /&gt;
285 *                 &lt;data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
286 *             &lt;/intent-filter&gt;
287 *         &lt;/activity&gt;
288 *
289 *     &lt;/application&gt;
290 * &lt;/manifest&gt;</pre>
291 *
292 * <p>The first activity,
293 * <code>com.android.notepad.NotesList</code>, serves as our main
294 * entry into the app.  It can do three things as described by its three intent
295 * templates:
296 * <ol>
297 * <li><pre>
298 * &lt;intent-filter&gt;
299 *     &lt;action android:name="{@link #ACTION_MAIN android.intent.action.MAIN}" /&gt;
300 *     &lt;category android:name="{@link #CATEGORY_LAUNCHER android.intent.category.LAUNCHER}" /&gt;
301 * &lt;/intent-filter&gt;</pre>
302 * <p>This provides a top-level entry into the NotePad application: the standard
303 * MAIN action is a main entry point (not requiring any other information in
304 * the Intent), and the LAUNCHER category says that this entry point should be
305 * listed in the application launcher.</p>
306 * <li><pre>
307 * &lt;intent-filter&gt;
308 *     &lt;action android:name="{@link #ACTION_VIEW android.intent.action.VIEW}" /&gt;
309 *     &lt;action android:name="{@link #ACTION_EDIT android.intent.action.EDIT}" /&gt;
310 *     &lt;action android:name="{@link #ACTION_PICK android.intent.action.PICK}" /&gt;
311 *     &lt;category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
312 *     &lt;data mimeType:name="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
313 * &lt;/intent-filter&gt;</pre>
314 * <p>This declares the things that the activity can do on a directory of
315 * notes.  The type being supported is given with the &lt;type&gt; tag, where
316 * <code>vnd.android.cursor.dir/vnd.google.note</code> is a URI from which
317 * a Cursor of zero or more items (<code>vnd.android.cursor.dir</code>) can
318 * be retrieved which holds our note pad data (<code>vnd.google.note</code>).
319 * The activity allows the user to view or edit the directory of data (via
320 * the VIEW and EDIT actions), or to pick a particular note and return it
321 * to the caller (via the PICK action).  Note also the DEFAULT category
322 * supplied here: this is <em>required</em> for the
323 * {@link Context#startActivity Context.startActivity} method to resolve your
324 * activity when its component name is not explicitly specified.</p>
325 * <li><pre>
326 * &lt;intent-filter&gt;
327 *     &lt;action android:name="{@link #ACTION_GET_CONTENT android.intent.action.GET_CONTENT}" /&gt;
328 *     &lt;category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
329 *     &lt;data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
330 * &lt;/intent-filter&gt;</pre>
331 * <p>This filter describes the ability return to the caller a note selected by
332 * the user without needing to know where it came from.  The data type
333 * <code>vnd.android.cursor.item/vnd.google.note</code> is a URI from which
334 * a Cursor of exactly one (<code>vnd.android.cursor.item</code>) item can
335 * be retrieved which contains our note pad data (<code>vnd.google.note</code>).
336 * The GET_CONTENT action is similar to the PICK action, where the activity
337 * will return to its caller a piece of data selected by the user.  Here,
338 * however, the caller specifies the type of data they desire instead of
339 * the type of data the user will be picking from.</p>
340 * </ol>
341 *
342 * <p>Given these capabilities, the following intents will resolve to the
343 * NotesList activity:</p>
344 *
345 * <ul>
346 *     <li> <p><b>{ action=android.app.action.MAIN }</b> matches all of the
347 *         activities that can be used as top-level entry points into an
348 *         application.</p>
349 *     <li> <p><b>{ action=android.app.action.MAIN,
350 *         category=android.app.category.LAUNCHER }</b> is the actual intent
351 *         used by the Launcher to populate its top-level list.</p>
352 *     <li> <p><b>{ action=android.intent.action.VIEW
353 *          data=content://com.google.provider.NotePad/notes }</b>
354 *         displays a list of all the notes under
355 *         "content://com.google.provider.NotePad/notes", which
356 *         the user can browse through and see the details on.</p>
357 *     <li> <p><b>{ action=android.app.action.PICK
358 *          data=content://com.google.provider.NotePad/notes }</b>
359 *         provides a list of the notes under
360 *         "content://com.google.provider.NotePad/notes", from which
361 *         the user can pick a note whose data URL is returned back to the caller.</p>
362 *     <li> <p><b>{ action=android.app.action.GET_CONTENT
363 *          type=vnd.android.cursor.item/vnd.google.note }</b>
364 *         is similar to the pick action, but allows the caller to specify the
365 *         kind of data they want back so that the system can find the appropriate
366 *         activity to pick something of that data type.</p>
367 * </ul>
368 *
369 * <p>The second activity,
370 * <code>com.android.notepad.NoteEditor</code>, shows the user a single
371 * note entry and allows them to edit it.  It can do two things as described
372 * by its two intent templates:
373 * <ol>
374 * <li><pre>
375 * &lt;intent-filter android:label="@string/resolve_edit"&gt;
376 *     &lt;action android:name="{@link #ACTION_VIEW android.intent.action.VIEW}" /&gt;
377 *     &lt;action android:name="{@link #ACTION_EDIT android.intent.action.EDIT}" /&gt;
378 *     &lt;category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
379 *     &lt;data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
380 * &lt;/intent-filter&gt;</pre>
381 * <p>The first, primary, purpose of this activity is to let the user interact
382 * with a single note, as decribed by the MIME type
383 * <code>vnd.android.cursor.item/vnd.google.note</code>.  The activity can
384 * either VIEW a note or allow the user to EDIT it.  Again we support the
385 * DEFAULT category to allow the activity to be launched without explicitly
386 * specifying its component.</p>
387 * <li><pre>
388 * &lt;intent-filter&gt;
389 *     &lt;action android:name="{@link #ACTION_INSERT android.intent.action.INSERT}" /&gt;
390 *     &lt;category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
391 *     &lt;data android:mimeType="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
392 * &lt;/intent-filter&gt;</pre>
393 * <p>The secondary use of this activity is to insert a new note entry into
394 * an existing directory of notes.  This is used when the user creates a new
395 * note: the INSERT action is executed on the directory of notes, causing
396 * this activity to run and have the user create the new note data which
397 * it then adds to the content provider.</p>
398 * </ol>
399 *
400 * <p>Given these capabilities, the following intents will resolve to the
401 * NoteEditor activity:</p>
402 *
403 * <ul>
404 *     <li> <p><b>{ action=android.intent.action.VIEW
405 *          data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b>
406 *         shows the user the content of note <var>{ID}</var>.</p>
407 *     <li> <p><b>{ action=android.app.action.EDIT
408 *          data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b>
409 *         allows the user to edit the content of note <var>{ID}</var>.</p>
410 *     <li> <p><b>{ action=android.app.action.INSERT
411 *          data=content://com.google.provider.NotePad/notes }</b>
412 *         creates a new, empty note in the notes list at
413 *         "content://com.google.provider.NotePad/notes"
414 *         and allows the user to edit it.  If they keep their changes, the URI
415 *         of the newly created note is returned to the caller.</p>
416 * </ul>
417 *
418 * <p>The last activity,
419 * <code>com.android.notepad.TitleEditor</code>, allows the user to
420 * edit the title of a note.  This could be implemented as a class that the
421 * application directly invokes (by explicitly setting its component in
422 * the Intent), but here we show a way you can publish alternative
423 * operations on existing data:</p>
424 *
425 * <pre>
426 * &lt;intent-filter android:label="@string/resolve_title"&gt;
427 *     &lt;action android:name="<i>com.android.notepad.action.EDIT_TITLE</i>" /&gt;
428 *     &lt;category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
429 *     &lt;category android:name="{@link #CATEGORY_ALTERNATIVE android.intent.category.ALTERNATIVE}" /&gt;
430 *     &lt;category android:name="{@link #CATEGORY_SELECTED_ALTERNATIVE android.intent.category.SELECTED_ALTERNATIVE}" /&gt;
431 *     &lt;data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
432 * &lt;/intent-filter&gt;</pre>
433 *
434 * <p>In the single intent template here, we
435 * have created our own private action called
436 * <code>com.android.notepad.action.EDIT_TITLE</code> which means to
437 * edit the title of a note.  It must be invoked on a specific note
438 * (data type <code>vnd.android.cursor.item/vnd.google.note</code>) like the previous
439 * view and edit actions, but here displays and edits the title contained
440 * in the note data.
441 *
442 * <p>In addition to supporting the default category as usual, our title editor
443 * also supports two other standard categories: ALTERNATIVE and
444 * SELECTED_ALTERNATIVE.  Implementing
445 * these categories allows others to find the special action it provides
446 * without directly knowing about it, through the
447 * {@link android.content.pm.PackageManager#queryIntentActivityOptions} method, or
448 * more often to build dynamic menu items with
449 * {@link android.view.Menu#addIntentOptions}.  Note that in the intent
450 * template here was also supply an explicit name for the template
451 * (via <code>android:label="@string/resolve_title"</code>) to better control
452 * what the user sees when presented with this activity as an alternative
453 * action to the data they are viewing.
454 *
455 * <p>Given these capabilities, the following intent will resolve to the
456 * TitleEditor activity:</p>
457 *
458 * <ul>
459 *     <li> <p><b>{ action=com.android.notepad.action.EDIT_TITLE
460 *          data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b>
461 *         displays and allows the user to edit the title associated
462 *         with note <var>{ID}</var>.</p>
463 * </ul>
464 *
465 * <h3>Standard Activity Actions</h3>
466 *
467 * <p>These are the current standard actions that Intent defines for launching
468 * activities (usually through {@link Context#startActivity}.  The most
469 * important, and by far most frequently used, are {@link #ACTION_MAIN} and
470 * {@link #ACTION_EDIT}.
471 *
472 * <ul>
473 *     <li> {@link #ACTION_MAIN}
474 *     <li> {@link #ACTION_VIEW}
475 *     <li> {@link #ACTION_ATTACH_DATA}
476 *     <li> {@link #ACTION_EDIT}
477 *     <li> {@link #ACTION_PICK}
478 *     <li> {@link #ACTION_CHOOSER}
479 *     <li> {@link #ACTION_GET_CONTENT}
480 *     <li> {@link #ACTION_DIAL}
481 *     <li> {@link #ACTION_CALL}
482 *     <li> {@link #ACTION_SEND}
483 *     <li> {@link #ACTION_SENDTO}
484 *     <li> {@link #ACTION_ANSWER}
485 *     <li> {@link #ACTION_INSERT}
486 *     <li> {@link #ACTION_DELETE}
487 *     <li> {@link #ACTION_RUN}
488 *     <li> {@link #ACTION_SYNC}
489 *     <li> {@link #ACTION_PICK_ACTIVITY}
490 *     <li> {@link #ACTION_SEARCH}
491 *     <li> {@link #ACTION_WEB_SEARCH}
492 *     <li> {@link #ACTION_FACTORY_TEST}
493 * </ul>
494 *
495 * <h3>Standard Broadcast Actions</h3>
496 *
497 * <p>These are the current standard actions that Intent defines for receiving
498 * broadcasts (usually through {@link Context#registerReceiver} or a
499 * &lt;receiver&gt; tag in a manifest).
500 *
501 * <ul>
502 *     <li> {@link #ACTION_TIME_TICK}
503 *     <li> {@link #ACTION_TIME_CHANGED}
504 *     <li> {@link #ACTION_TIMEZONE_CHANGED}
505 *     <li> {@link #ACTION_BOOT_COMPLETED}
506 *     <li> {@link #ACTION_PACKAGE_ADDED}
507 *     <li> {@link #ACTION_PACKAGE_CHANGED}
508 *     <li> {@link #ACTION_PACKAGE_REMOVED}
509 *     <li> {@link #ACTION_PACKAGE_RESTARTED}
510 *     <li> {@link #ACTION_PACKAGE_DATA_CLEARED}
511 *     <li> {@link #ACTION_UID_REMOVED}
512 *     <li> {@link #ACTION_BATTERY_CHANGED}
513 *     <li> {@link #ACTION_POWER_CONNECTED}
514 *     <li> {@link #ACTION_POWER_DISCONNECTED}
515 *     <li> {@link #ACTION_SHUTDOWN}
516 * </ul>
517 *
518 * <h3>Standard Categories</h3>
519 *
520 * <p>These are the current standard categories that can be used to further
521 * clarify an Intent via {@link #addCategory}.
522 *
523 * <ul>
524 *     <li> {@link #CATEGORY_DEFAULT}
525 *     <li> {@link #CATEGORY_BROWSABLE}
526 *     <li> {@link #CATEGORY_TAB}
527 *     <li> {@link #CATEGORY_ALTERNATIVE}
528 *     <li> {@link #CATEGORY_SELECTED_ALTERNATIVE}
529 *     <li> {@link #CATEGORY_LAUNCHER}
530 *     <li> {@link #CATEGORY_INFO}
531 *     <li> {@link #CATEGORY_HOME}
532 *     <li> {@link #CATEGORY_PREFERENCE}
533 *     <li> {@link #CATEGORY_TEST}
534 *     <li> {@link #CATEGORY_CAR_DOCK}
535 *     <li> {@link #CATEGORY_DESK_DOCK}
536 *     <li> {@link #CATEGORY_LE_DESK_DOCK}
537 *     <li> {@link #CATEGORY_HE_DESK_DOCK}
538 *     <li> {@link #CATEGORY_CAR_MODE}
539 *     <li> {@link #CATEGORY_APP_MARKET}
540 * </ul>
541 *
542 * <h3>Standard Extra Data</h3>
543 *
544 * <p>These are the current standard fields that can be used as extra data via
545 * {@link #putExtra}.
546 *
547 * <ul>
548 *     <li> {@link #EXTRA_ALARM_COUNT}
549 *     <li> {@link #EXTRA_BCC}
550 *     <li> {@link #EXTRA_CC}
551 *     <li> {@link #EXTRA_CHANGED_COMPONENT_NAME}
552 *     <li> {@link #EXTRA_DATA_REMOVED}
553 *     <li> {@link #EXTRA_DOCK_STATE}
554 *     <li> {@link #EXTRA_DOCK_STATE_HE_DESK}
555 *     <li> {@link #EXTRA_DOCK_STATE_LE_DESK}
556 *     <li> {@link #EXTRA_DOCK_STATE_CAR}
557 *     <li> {@link #EXTRA_DOCK_STATE_DESK}
558 *     <li> {@link #EXTRA_DOCK_STATE_UNDOCKED}
559 *     <li> {@link #EXTRA_DONT_KILL_APP}
560 *     <li> {@link #EXTRA_EMAIL}
561 *     <li> {@link #EXTRA_INITIAL_INTENTS}
562 *     <li> {@link #EXTRA_INTENT}
563 *     <li> {@link #EXTRA_KEY_EVENT}
564 *     <li> {@link #EXTRA_PHONE_NUMBER}
565 *     <li> {@link #EXTRA_REMOTE_INTENT_TOKEN}
566 *     <li> {@link #EXTRA_REPLACING}
567 *     <li> {@link #EXTRA_SHORTCUT_ICON}
568 *     <li> {@link #EXTRA_SHORTCUT_ICON_RESOURCE}
569 *     <li> {@link #EXTRA_SHORTCUT_INTENT}
570 *     <li> {@link #EXTRA_STREAM}
571 *     <li> {@link #EXTRA_SHORTCUT_NAME}
572 *     <li> {@link #EXTRA_SUBJECT}
573 *     <li> {@link #EXTRA_TEMPLATE}
574 *     <li> {@link #EXTRA_TEXT}
575 *     <li> {@link #EXTRA_TITLE}
576 *     <li> {@link #EXTRA_UID}
577 * </ul>
578 *
579 * <h3>Flags</h3>
580 *
581 * <p>These are the possible flags that can be used in the Intent via
582 * {@link #setFlags} and {@link #addFlags}.  See {@link #setFlags} for a list
583 * of all possible flags.
584 */
585public class Intent implements Parcelable, Cloneable {
586    // ---------------------------------------------------------------------
587    // ---------------------------------------------------------------------
588    // Standard intent activity actions (see action variable).
589
590    /**
591     *  Activity Action: Start as a main entry point, does not expect to
592     *  receive data.
593     *  <p>Input: nothing
594     *  <p>Output: nothing
595     */
596    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
597    public static final String ACTION_MAIN = "android.intent.action.MAIN";
598
599    /**
600     * Activity Action: Display the data to the user.  This is the most common
601     * action performed on data -- it is the generic action you can use on
602     * a piece of data to get the most reasonable thing to occur.  For example,
603     * when used on a contacts entry it will view the entry; when used on a
604     * mailto: URI it will bring up a compose window filled with the information
605     * supplied by the URI; when used with a tel: URI it will invoke the
606     * dialer.
607     * <p>Input: {@link #getData} is URI from which to retrieve data.
608     * <p>Output: nothing.
609     */
610    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
611    public static final String ACTION_VIEW = "android.intent.action.VIEW";
612
613    /**
614     * A synonym for {@link #ACTION_VIEW}, the "standard" action that is
615     * performed on a piece of data.
616     */
617    public static final String ACTION_DEFAULT = ACTION_VIEW;
618
619    /**
620     * Used to indicate that some piece of data should be attached to some other
621     * place.  For example, image data could be attached to a contact.  It is up
622     * to the recipient to decide where the data should be attached; the intent
623     * does not specify the ultimate destination.
624     * <p>Input: {@link #getData} is URI of data to be attached.
625     * <p>Output: nothing.
626     */
627    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
628    public static final String ACTION_ATTACH_DATA = "android.intent.action.ATTACH_DATA";
629
630    /**
631     * Activity Action: Provide explicit editable access to the given data.
632     * <p>Input: {@link #getData} is URI of data to be edited.
633     * <p>Output: nothing.
634     */
635    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
636    public static final String ACTION_EDIT = "android.intent.action.EDIT";
637
638    /**
639     * Activity Action: Pick an existing item, or insert a new item, and then edit it.
640     * <p>Input: {@link #getType} is the desired MIME type of the item to create or edit.
641     * The extras can contain type specific data to pass through to the editing/creating
642     * activity.
643     * <p>Output: The URI of the item that was picked.  This must be a content:
644     * URI so that any receiver can access it.
645     */
646    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
647    public static final String ACTION_INSERT_OR_EDIT = "android.intent.action.INSERT_OR_EDIT";
648
649    /**
650     * Activity Action: Pick an item from the data, returning what was selected.
651     * <p>Input: {@link #getData} is URI containing a directory of data
652     * (vnd.android.cursor.dir/*) from which to pick an item.
653     * <p>Output: The URI of the item that was picked.
654     */
655    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
656    public static final String ACTION_PICK = "android.intent.action.PICK";
657
658    /**
659     * Activity Action: Creates a shortcut.
660     * <p>Input: Nothing.</p>
661     * <p>Output: An Intent representing the shortcut. The intent must contain three
662     * extras: SHORTCUT_INTENT (value: Intent), SHORTCUT_NAME (value: String),
663     * and SHORTCUT_ICON (value: Bitmap) or SHORTCUT_ICON_RESOURCE
664     * (value: ShortcutIconResource).</p>
665     *
666     * @see #EXTRA_SHORTCUT_INTENT
667     * @see #EXTRA_SHORTCUT_NAME
668     * @see #EXTRA_SHORTCUT_ICON
669     * @see #EXTRA_SHORTCUT_ICON_RESOURCE
670     * @see android.content.Intent.ShortcutIconResource
671     */
672    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
673    public static final String ACTION_CREATE_SHORTCUT = "android.intent.action.CREATE_SHORTCUT";
674
675    /**
676     * The name of the extra used to define the Intent of a shortcut.
677     *
678     * @see #ACTION_CREATE_SHORTCUT
679     */
680    public static final String EXTRA_SHORTCUT_INTENT = "android.intent.extra.shortcut.INTENT";
681    /**
682     * The name of the extra used to define the name of a shortcut.
683     *
684     * @see #ACTION_CREATE_SHORTCUT
685     */
686    public static final String EXTRA_SHORTCUT_NAME = "android.intent.extra.shortcut.NAME";
687    /**
688     * The name of the extra used to define the icon, as a Bitmap, of a shortcut.
689     *
690     * @see #ACTION_CREATE_SHORTCUT
691     */
692    public static final String EXTRA_SHORTCUT_ICON = "android.intent.extra.shortcut.ICON";
693    /**
694     * The name of the extra used to define the icon, as a ShortcutIconResource, of a shortcut.
695     *
696     * @see #ACTION_CREATE_SHORTCUT
697     * @see android.content.Intent.ShortcutIconResource
698     */
699    public static final String EXTRA_SHORTCUT_ICON_RESOURCE =
700            "android.intent.extra.shortcut.ICON_RESOURCE";
701
702    /**
703     * Represents a shortcut/live folder icon resource.
704     *
705     * @see Intent#ACTION_CREATE_SHORTCUT
706     * @see Intent#EXTRA_SHORTCUT_ICON_RESOURCE
707     * @see android.provider.LiveFolders#ACTION_CREATE_LIVE_FOLDER
708     * @see android.provider.LiveFolders#EXTRA_LIVE_FOLDER_ICON
709     */
710    public static class ShortcutIconResource implements Parcelable {
711        /**
712         * The package name of the application containing the icon.
713         */
714        public String packageName;
715
716        /**
717         * The resource name of the icon, including package, name and type.
718         */
719        public String resourceName;
720
721        /**
722         * Creates a new ShortcutIconResource for the specified context and resource
723         * identifier.
724         *
725         * @param context The context of the application.
726         * @param resourceId The resource idenfitier for the icon.
727         * @return A new ShortcutIconResource with the specified's context package name
728         *         and icon resource idenfitier.
729         */
730        public static ShortcutIconResource fromContext(Context context, int resourceId) {
731            ShortcutIconResource icon = new ShortcutIconResource();
732            icon.packageName = context.getPackageName();
733            icon.resourceName = context.getResources().getResourceName(resourceId);
734            return icon;
735        }
736
737        /**
738         * Used to read a ShortcutIconResource from a Parcel.
739         */
740        public static final Parcelable.Creator<ShortcutIconResource> CREATOR =
741            new Parcelable.Creator<ShortcutIconResource>() {
742
743                public ShortcutIconResource createFromParcel(Parcel source) {
744                    ShortcutIconResource icon = new ShortcutIconResource();
745                    icon.packageName = source.readString();
746                    icon.resourceName = source.readString();
747                    return icon;
748                }
749
750                public ShortcutIconResource[] newArray(int size) {
751                    return new ShortcutIconResource[size];
752                }
753            };
754
755        /**
756         * No special parcel contents.
757         */
758        public int describeContents() {
759            return 0;
760        }
761
762        public void writeToParcel(Parcel dest, int flags) {
763            dest.writeString(packageName);
764            dest.writeString(resourceName);
765        }
766
767        @Override
768        public String toString() {
769            return resourceName;
770        }
771    }
772
773    /**
774     * Activity Action: Display an activity chooser, allowing the user to pick
775     * what they want to before proceeding.  This can be used as an alternative
776     * to the standard activity picker that is displayed by the system when
777     * you try to start an activity with multiple possible matches, with these
778     * differences in behavior:
779     * <ul>
780     * <li>You can specify the title that will appear in the activity chooser.
781     * <li>The user does not have the option to make one of the matching
782     * activities a preferred activity, and all possible activities will
783     * always be shown even if one of them is currently marked as the
784     * preferred activity.
785     * </ul>
786     * <p>
787     * This action should be used when the user will naturally expect to
788     * select an activity in order to proceed.  An example if when not to use
789     * it is when the user clicks on a "mailto:" link.  They would naturally
790     * expect to go directly to their mail app, so startActivity() should be
791     * called directly: it will
792     * either launch the current preferred app, or put up a dialog allowing the
793     * user to pick an app to use and optionally marking that as preferred.
794     * <p>
795     * In contrast, if the user is selecting a menu item to send a picture
796     * they are viewing to someone else, there are many different things they
797     * may want to do at this point: send it through e-mail, upload it to a
798     * web service, etc.  In this case the CHOOSER action should be used, to
799     * always present to the user a list of the things they can do, with a
800     * nice title given by the caller such as "Send this photo with:".
801     * <p>
802     * As a convenience, an Intent of this form can be created with the
803     * {@link #createChooser} function.
804     * <p>Input: No data should be specified.  get*Extra must have
805     * a {@link #EXTRA_INTENT} field containing the Intent being executed,
806     * and can optionally have a {@link #EXTRA_TITLE} field containing the
807     * title text to display in the chooser.
808     * <p>Output: Depends on the protocol of {@link #EXTRA_INTENT}.
809     */
810    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
811    public static final String ACTION_CHOOSER = "android.intent.action.CHOOSER";
812
813    /**
814     * Convenience function for creating a {@link #ACTION_CHOOSER} Intent.
815     *
816     * @param target The Intent that the user will be selecting an activity
817     * to perform.
818     * @param title Optional title that will be displayed in the chooser.
819     * @return Return a new Intent object that you can hand to
820     * {@link Context#startActivity(Intent) Context.startActivity()} and
821     * related methods.
822     */
823    public static Intent createChooser(Intent target, CharSequence title) {
824        Intent intent = new Intent(ACTION_CHOOSER);
825        intent.putExtra(EXTRA_INTENT, target);
826        if (title != null) {
827            intent.putExtra(EXTRA_TITLE, title);
828        }
829        return intent;
830    }
831    /**
832     * Activity Action: Allow the user to select a particular kind of data and
833     * return it.  This is different than {@link #ACTION_PICK} in that here we
834     * just say what kind of data is desired, not a URI of existing data from
835     * which the user can pick.  A ACTION_GET_CONTENT could allow the user to
836     * create the data as it runs (for example taking a picture or recording a
837     * sound), let them browser over the web and download the desired data,
838     * etc.
839     * <p>
840     * There are two main ways to use this action: if you want an specific kind
841     * of data, such as a person contact, you set the MIME type to the kind of
842     * data you want and launch it with {@link Context#startActivity(Intent)}.
843     * The system will then launch the best application to select that kind
844     * of data for you.
845     * <p>
846     * You may also be interested in any of a set of types of content the user
847     * can pick.  For example, an e-mail application that wants to allow the
848     * user to add an attachment to an e-mail message can use this action to
849     * bring up a list of all of the types of content the user can attach.
850     * <p>
851     * In this case, you should wrap the GET_CONTENT intent with a chooser
852     * (through {@link #createChooser}), which will give the proper interface
853     * for the user to pick how to send your data and allow you to specify
854     * a prompt indicating what they are doing.  You will usually specify a
855     * broad MIME type (such as image/* or {@literal *}/*), resulting in a
856     * broad range of content types the user can select from.
857     * <p>
858     * When using such a broad GET_CONTENT action, it is often desireable to
859     * only pick from data that can be represented as a stream.  This is
860     * accomplished by requiring the {@link #CATEGORY_OPENABLE} in the Intent.
861     * <p>
862     * Input: {@link #getType} is the desired MIME type to retrieve.  Note
863     * that no URI is supplied in the intent, as there are no constraints on
864     * where the returned data originally comes from.  You may also include the
865     * {@link #CATEGORY_OPENABLE} if you can only accept data that can be
866     * opened as a stream.
867     * <p>
868     * Output: The URI of the item that was picked.  This must be a content:
869     * URI so that any receiver can access it.
870     */
871    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
872    public static final String ACTION_GET_CONTENT = "android.intent.action.GET_CONTENT";
873    /**
874     * Activity Action: Dial a number as specified by the data.  This shows a
875     * UI with the number being dialed, allowing the user to explicitly
876     * initiate the call.
877     * <p>Input: If nothing, an empty dialer is started; else {@link #getData}
878     * is URI of a phone number to be dialed or a tel: URI of an explicit phone
879     * number.
880     * <p>Output: nothing.
881     */
882    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
883    public static final String ACTION_DIAL = "android.intent.action.DIAL";
884    /**
885     * Activity Action: Perform a call to someone specified by the data.
886     * <p>Input: If nothing, an empty dialer is started; else {@link #getData}
887     * is URI of a phone number to be dialed or a tel: URI of an explicit phone
888     * number.
889     * <p>Output: nothing.
890     *
891     * <p>Note: there will be restrictions on which applications can initiate a
892     * call; most applications should use the {@link #ACTION_DIAL}.
893     * <p>Note: this Intent <strong>cannot</strong> be used to call emergency
894     * numbers.  Applications can <strong>dial</strong> emergency numbers using
895     * {@link #ACTION_DIAL}, however.
896     */
897    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
898    public static final String ACTION_CALL = "android.intent.action.CALL";
899    /**
900     * Activity Action: Perform a call to an emergency number specified by the
901     * data.
902     * <p>Input: {@link #getData} is URI of a phone number to be dialed or a
903     * tel: URI of an explicit phone number.
904     * <p>Output: nothing.
905     * @hide
906     */
907    public static final String ACTION_CALL_EMERGENCY = "android.intent.action.CALL_EMERGENCY";
908    /**
909     * Activity action: Perform a call to any number (emergency or not)
910     * specified by the data.
911     * <p>Input: {@link #getData} is URI of a phone number to be dialed or a
912     * tel: URI of an explicit phone number.
913     * <p>Output: nothing.
914     * @hide
915     */
916    public static final String ACTION_CALL_PRIVILEGED = "android.intent.action.CALL_PRIVILEGED";
917    /**
918     * Activity Action: Send a message to someone specified by the data.
919     * <p>Input: {@link #getData} is URI describing the target.
920     * <p>Output: nothing.
921     */
922    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
923    public static final String ACTION_SENDTO = "android.intent.action.SENDTO";
924    /**
925     * Activity Action: Deliver some data to someone else.  Who the data is
926     * being delivered to is not specified; it is up to the receiver of this
927     * action to ask the user where the data should be sent.
928     * <p>
929     * When launching a SEND intent, you should usually wrap it in a chooser
930     * (through {@link #createChooser}), which will give the proper interface
931     * for the user to pick how to send your data and allow you to specify
932     * a prompt indicating what they are doing.
933     * <p>
934     * Input: {@link #getType} is the MIME type of the data being sent.
935     * get*Extra can have either a {@link #EXTRA_TEXT}
936     * or {@link #EXTRA_STREAM} field, containing the data to be sent.  If
937     * using EXTRA_TEXT, the MIME type should be "text/plain"; otherwise it
938     * should be the MIME type of the data in EXTRA_STREAM.  Use {@literal *}/*
939     * if the MIME type is unknown (this will only allow senders that can
940     * handle generic data streams).
941     * <p>
942     * Optional standard extras, which may be interpreted by some recipients as
943     * appropriate, are: {@link #EXTRA_EMAIL}, {@link #EXTRA_CC},
944     * {@link #EXTRA_BCC}, {@link #EXTRA_SUBJECT}.
945     * <p>
946     * Output: nothing.
947     */
948    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
949    public static final String ACTION_SEND = "android.intent.action.SEND";
950    /**
951     * Activity Action: Deliver multiple data to someone else.
952     * <p>
953     * Like ACTION_SEND, except the data is multiple.
954     * <p>
955     * Input: {@link #getType} is the MIME type of the data being sent.
956     * get*ArrayListExtra can have either a {@link #EXTRA_TEXT} or {@link
957     * #EXTRA_STREAM} field, containing the data to be sent.
958     * <p>
959     * Multiple types are supported, and receivers should handle mixed types
960     * whenever possible. The right way for the receiver to check them is to
961     * use the content resolver on each URI. The intent sender should try to
962     * put the most concrete mime type in the intent type, but it can fall
963     * back to {@literal <type>/*} or {@literal *}/* as needed.
964     * <p>
965     * e.g. if you are sending image/jpg and image/jpg, the intent's type can
966     * be image/jpg, but if you are sending image/jpg and image/png, then the
967     * intent's type should be image/*.
968     * <p>
969     * Optional standard extras, which may be interpreted by some recipients as
970     * appropriate, are: {@link #EXTRA_EMAIL}, {@link #EXTRA_CC},
971     * {@link #EXTRA_BCC}, {@link #EXTRA_SUBJECT}.
972     * <p>
973     * Output: nothing.
974     */
975    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
976    public static final String ACTION_SEND_MULTIPLE = "android.intent.action.SEND_MULTIPLE";
977    /**
978     * Activity Action: Handle an incoming phone call.
979     * <p>Input: nothing.
980     * <p>Output: nothing.
981     */
982    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
983    public static final String ACTION_ANSWER = "android.intent.action.ANSWER";
984    /**
985     * Activity Action: Insert an empty item into the given container.
986     * <p>Input: {@link #getData} is URI of the directory (vnd.android.cursor.dir/*)
987     * in which to place the data.
988     * <p>Output: URI of the new data that was created.
989     */
990    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
991    public static final String ACTION_INSERT = "android.intent.action.INSERT";
992    /**
993     * Activity Action: Create a new item in the given container, initializing it
994     * from the current contents of the clipboard.
995     * <p>Input: {@link #getData} is URI of the directory (vnd.android.cursor.dir/*)
996     * in which to place the data.
997     * <p>Output: URI of the new data that was created.
998     */
999    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1000    public static final String ACTION_PASTE = "android.intent.action.PASTE";
1001    /**
1002     * Activity Action: Delete the given data from its container.
1003     * <p>Input: {@link #getData} is URI of data to be deleted.
1004     * <p>Output: nothing.
1005     */
1006    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1007    public static final String ACTION_DELETE = "android.intent.action.DELETE";
1008    /**
1009     * Activity Action: Run the data, whatever that means.
1010     * <p>Input: ?  (Note: this is currently specific to the test harness.)
1011     * <p>Output: nothing.
1012     */
1013    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1014    public static final String ACTION_RUN = "android.intent.action.RUN";
1015    /**
1016     * Activity Action: Perform a data synchronization.
1017     * <p>Input: ?
1018     * <p>Output: ?
1019     */
1020    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1021    public static final String ACTION_SYNC = "android.intent.action.SYNC";
1022    /**
1023     * Activity Action: Pick an activity given an intent, returning the class
1024     * selected.
1025     * <p>Input: get*Extra field {@link #EXTRA_INTENT} is an Intent
1026     * used with {@link PackageManager#queryIntentActivities} to determine the
1027     * set of activities from which to pick.
1028     * <p>Output: Class name of the activity that was selected.
1029     */
1030    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1031    public static final String ACTION_PICK_ACTIVITY = "android.intent.action.PICK_ACTIVITY";
1032    /**
1033     * Activity Action: Perform a search.
1034     * <p>Input: {@link android.app.SearchManager#QUERY getStringExtra(SearchManager.QUERY)}
1035     * is the text to search for.  If empty, simply
1036     * enter your search results Activity with the search UI activated.
1037     * <p>Output: nothing.
1038     */
1039    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1040    public static final String ACTION_SEARCH = "android.intent.action.SEARCH";
1041    /**
1042     * Activity Action: Start the platform-defined tutorial
1043     * <p>Input: {@link android.app.SearchManager#QUERY getStringExtra(SearchManager.QUERY)}
1044     * is the text to search for.  If empty, simply
1045     * enter your search results Activity with the search UI activated.
1046     * <p>Output: nothing.
1047     */
1048    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1049    public static final String ACTION_SYSTEM_TUTORIAL = "android.intent.action.SYSTEM_TUTORIAL";
1050    /**
1051     * Activity Action: Perform a web search.
1052     * <p>
1053     * Input: {@link android.app.SearchManager#QUERY
1054     * getStringExtra(SearchManager.QUERY)} is the text to search for. If it is
1055     * a url starts with http or https, the site will be opened. If it is plain
1056     * text, Google search will be applied.
1057     * <p>
1058     * Output: nothing.
1059     */
1060    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1061    public static final String ACTION_WEB_SEARCH = "android.intent.action.WEB_SEARCH";
1062    /**
1063     * Activity Action: List all available applications
1064     * <p>Input: Nothing.
1065     * <p>Output: nothing.
1066     */
1067    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1068    public static final String ACTION_ALL_APPS = "android.intent.action.ALL_APPS";
1069    /**
1070     * Activity Action: Show settings for choosing wallpaper
1071     * <p>Input: Nothing.
1072     * <p>Output: Nothing.
1073     */
1074    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1075    public static final String ACTION_SET_WALLPAPER = "android.intent.action.SET_WALLPAPER";
1076
1077    /**
1078     * Activity Action: Show activity for reporting a bug.
1079     * <p>Input: Nothing.
1080     * <p>Output: Nothing.
1081     */
1082    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1083    public static final String ACTION_BUG_REPORT = "android.intent.action.BUG_REPORT";
1084
1085    /**
1086     *  Activity Action: Main entry point for factory tests.  Only used when
1087     *  the device is booting in factory test node.  The implementing package
1088     *  must be installed in the system image.
1089     *  <p>Input: nothing
1090     *  <p>Output: nothing
1091     */
1092    public static final String ACTION_FACTORY_TEST = "android.intent.action.FACTORY_TEST";
1093
1094    /**
1095     * Activity Action: The user pressed the "call" button to go to the dialer
1096     * or other appropriate UI for placing a call.
1097     * <p>Input: Nothing.
1098     * <p>Output: Nothing.
1099     */
1100    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1101    public static final String ACTION_CALL_BUTTON = "android.intent.action.CALL_BUTTON";
1102
1103    /**
1104     * Activity Action: Start Voice Command.
1105     * <p>Input: Nothing.
1106     * <p>Output: Nothing.
1107     */
1108    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1109    public static final String ACTION_VOICE_COMMAND = "android.intent.action.VOICE_COMMAND";
1110
1111    /**
1112     * Activity Action: Start action associated with long pressing on the
1113     * search key.
1114     * <p>Input: Nothing.
1115     * <p>Output: Nothing.
1116     */
1117    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1118    public static final String ACTION_SEARCH_LONG_PRESS = "android.intent.action.SEARCH_LONG_PRESS";
1119
1120    /**
1121     * Activity Action: The user pressed the "Report" button in the crash/ANR dialog.
1122     * This intent is delivered to the package which installed the application, usually
1123     * the Market.
1124     * <p>Input: No data is specified. The bug report is passed in using
1125     * an {@link #EXTRA_BUG_REPORT} field.
1126     * <p>Output: Nothing.
1127     * @hide
1128     */
1129    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1130    public static final String ACTION_APP_ERROR = "android.intent.action.APP_ERROR";
1131
1132    /**
1133     * Activity Action: Show power usage information to the user.
1134     * <p>Input: Nothing.
1135     * <p>Output: Nothing.
1136     */
1137    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1138    public static final String ACTION_POWER_USAGE_SUMMARY = "android.intent.action.POWER_USAGE_SUMMARY";
1139
1140    /**
1141     * Activity Action: Setup wizard to launch after a platform update.  This
1142     * activity should have a string meta-data field associated with it,
1143     * {@link #METADATA_SETUP_VERSION}, which defines the current version of
1144     * the platform for setup.  The activity will be launched only if
1145     * {@link android.provider.Settings.Secure#LAST_SETUP_SHOWN} is not the
1146     * same value.
1147     * <p>Input: Nothing.
1148     * <p>Output: Nothing.
1149     * @hide
1150     */
1151    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1152    public static final String ACTION_UPGRADE_SETUP = "android.intent.action.UPGRADE_SETUP";
1153
1154    /**
1155     * A string associated with a {@link #ACTION_UPGRADE_SETUP} activity
1156     * describing the last run version of the platform that was setup.
1157     * @hide
1158     */
1159    public static final String METADATA_SETUP_VERSION = "android.SETUP_VERSION";
1160
1161    // ---------------------------------------------------------------------
1162    // ---------------------------------------------------------------------
1163    // Standard intent broadcast actions (see action variable).
1164
1165    /**
1166     * Broadcast Action: Sent after the screen turns off.
1167     *
1168     * <p class="note">This is a protected intent that can only be sent
1169     * by the system.
1170     */
1171    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1172    public static final String ACTION_SCREEN_OFF = "android.intent.action.SCREEN_OFF";
1173    /**
1174     * Broadcast Action: Sent after the screen turns on.
1175     *
1176     * <p class="note">This is a protected intent that can only be sent
1177     * by the system.
1178     */
1179    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1180    public static final String ACTION_SCREEN_ON = "android.intent.action.SCREEN_ON";
1181
1182    /**
1183     * Broadcast Action: Sent when the user is present after device wakes up (e.g when the
1184     * keyguard is gone).
1185     *
1186     * <p class="note">This is a protected intent that can only be sent
1187     * by the system.
1188     */
1189    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1190    public static final String ACTION_USER_PRESENT = "android.intent.action.USER_PRESENT";
1191
1192    /**
1193     * Broadcast Action: The current time has changed.  Sent every
1194     * minute.  You can <em>not</em> receive this through components declared
1195     * in manifests, only by exlicitly registering for it with
1196     * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
1197     * Context.registerReceiver()}.
1198     *
1199     * <p class="note">This is a protected intent that can only be sent
1200     * by the system.
1201     */
1202    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1203    public static final String ACTION_TIME_TICK = "android.intent.action.TIME_TICK";
1204    /**
1205     * Broadcast Action: The time was set.
1206     */
1207    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1208    public static final String ACTION_TIME_CHANGED = "android.intent.action.TIME_SET";
1209    /**
1210     * Broadcast Action: The date has changed.
1211     */
1212    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1213    public static final String ACTION_DATE_CHANGED = "android.intent.action.DATE_CHANGED";
1214    /**
1215     * Broadcast Action: The timezone has changed. The intent will have the following extra values:</p>
1216     * <ul>
1217     *   <li><em>time-zone</em> - The java.util.TimeZone.getID() value identifying the new time zone.</li>
1218     * </ul>
1219     *
1220     * <p class="note">This is a protected intent that can only be sent
1221     * by the system.
1222     */
1223    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1224    public static final String ACTION_TIMEZONE_CHANGED = "android.intent.action.TIMEZONE_CHANGED";
1225    /**
1226     * Alarm Changed Action: This is broadcast when the AlarmClock
1227     * application's alarm is set or unset.  It is used by the
1228     * AlarmClock application and the StatusBar service.
1229     * @hide
1230     */
1231    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1232    public static final String ACTION_ALARM_CHANGED = "android.intent.action.ALARM_CHANGED";
1233    /**
1234     * Sync State Changed Action: This is broadcast when the sync starts or stops or when one has
1235     * been failing for a long time.  It is used by the SyncManager and the StatusBar service.
1236     * @hide
1237     */
1238    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1239    public static final String ACTION_SYNC_STATE_CHANGED
1240            = "android.intent.action.SYNC_STATE_CHANGED";
1241    /**
1242     * Broadcast Action: This is broadcast once, after the system has finished
1243     * booting.  It can be used to perform application-specific initialization,
1244     * such as installing alarms.  You must hold the
1245     * {@link android.Manifest.permission#RECEIVE_BOOT_COMPLETED} permission
1246     * in order to receive this broadcast.
1247     *
1248     * <p class="note">This is a protected intent that can only be sent
1249     * by the system.
1250     */
1251    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1252    public static final String ACTION_BOOT_COMPLETED = "android.intent.action.BOOT_COMPLETED";
1253    /**
1254     * Broadcast Action: This is broadcast when a user action should request a
1255     * temporary system dialog to dismiss.  Some examples of temporary system
1256     * dialogs are the notification window-shade and the recent tasks dialog.
1257     */
1258    public static final String ACTION_CLOSE_SYSTEM_DIALOGS = "android.intent.action.CLOSE_SYSTEM_DIALOGS";
1259    /**
1260     * Broadcast Action: Trigger the download and eventual installation
1261     * of a package.
1262     * <p>Input: {@link #getData} is the URI of the package file to download.
1263     *
1264     * <p class="note">This is a protected intent that can only be sent
1265     * by the system.
1266     */
1267    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1268    public static final String ACTION_PACKAGE_INSTALL = "android.intent.action.PACKAGE_INSTALL";
1269    /**
1270     * Broadcast Action: A new application package has been installed on the
1271     * device. The data contains the name of the package.  Note that the
1272     * newly installed package does <em>not</em> receive this broadcast.
1273     * <p>My include the following extras:
1274     * <ul>
1275     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the new package.
1276     * <li> {@link #EXTRA_REPLACING} is set to true if this is following
1277     * an {@link #ACTION_PACKAGE_REMOVED} broadcast for the same package.
1278     * </ul>
1279     *
1280     * <p class="note">This is a protected intent that can only be sent
1281     * by the system.
1282     */
1283    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1284    public static final String ACTION_PACKAGE_ADDED = "android.intent.action.PACKAGE_ADDED";
1285    /**
1286     * Broadcast Action: A new version of an application package has been
1287     * installed, replacing an existing version that was previously installed.
1288     * The data contains the name of the package.
1289     * <p>My include the following extras:
1290     * <ul>
1291     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the new package.
1292     * </ul>
1293     *
1294     * <p class="note">This is a protected intent that can only be sent
1295     * by the system.
1296     */
1297    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1298    public static final String ACTION_PACKAGE_REPLACED = "android.intent.action.PACKAGE_REPLACED";
1299    /**
1300     * Broadcast Action: An existing application package has been removed from
1301     * the device.  The data contains the name of the package.  The package
1302     * that is being installed does <em>not</em> receive this Intent.
1303     * <ul>
1304     * <li> {@link #EXTRA_UID} containing the integer uid previously assigned
1305     * to the package.
1306     * <li> {@link #EXTRA_DATA_REMOVED} is set to true if the entire
1307     * application -- data and code -- is being removed.
1308     * <li> {@link #EXTRA_REPLACING} is set to true if this will be followed
1309     * by an {@link #ACTION_PACKAGE_ADDED} broadcast for the same package.
1310     * </ul>
1311     *
1312     * <p class="note">This is a protected intent that can only be sent
1313     * by the system.
1314     */
1315    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1316    public static final String ACTION_PACKAGE_REMOVED = "android.intent.action.PACKAGE_REMOVED";
1317    /**
1318     * Broadcast Action: An existing application package has been changed (e.g.
1319     * a component has been enabled or disabled).  The data contains the name of
1320     * the package.
1321     * <ul>
1322     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1323     * <li> {@link #EXTRA_CHANGED_COMPONENT_NAME_LIST} containing the class name
1324     * of the changed components.
1325     * <li> {@link #EXTRA_DONT_KILL_APP} containing boolean field to override the
1326     * default action of restarting the application.
1327     * </ul>
1328     *
1329     * <p class="note">This is a protected intent that can only be sent
1330     * by the system.
1331     */
1332    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1333    public static final String ACTION_PACKAGE_CHANGED = "android.intent.action.PACKAGE_CHANGED";
1334    /**
1335     * @hide
1336     * Broadcast Action: Ask system services if there is any reason to
1337     * restart the given package.  The data contains the name of the
1338     * package.
1339     * <ul>
1340     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1341     * <li> {@link #EXTRA_PACKAGES} String array of all packages to check.
1342     * </ul>
1343     *
1344     * <p class="note">This is a protected intent that can only be sent
1345     * by the system.
1346     */
1347    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1348    public static final String ACTION_QUERY_PACKAGE_RESTART = "android.intent.action.QUERY_PACKAGE_RESTART";
1349    /**
1350     * Broadcast Action: The user has restarted a package, and all of its
1351     * processes have been killed.  All runtime state
1352     * associated with it (processes, alarms, notifications, etc) should
1353     * be removed.  Note that the restarted package does <em>not</em>
1354     * receive this broadcast.
1355     * The data contains the name of the package.
1356     * <ul>
1357     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1358     * </ul>
1359     *
1360     * <p class="note">This is a protected intent that can only be sent
1361     * by the system.
1362     */
1363    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1364    public static final String ACTION_PACKAGE_RESTARTED = "android.intent.action.PACKAGE_RESTARTED";
1365    /**
1366     * Broadcast Action: The user has cleared the data of a package.  This should
1367     * be preceded by {@link #ACTION_PACKAGE_RESTARTED}, after which all of
1368     * its persistent data is erased and this broadcast sent.
1369     * Note that the cleared package does <em>not</em>
1370     * receive this broadcast. The data contains the name of the package.
1371     * <ul>
1372     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1373     * </ul>
1374     *
1375     * <p class="note">This is a protected intent that can only be sent
1376     * by the system.
1377     */
1378    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1379    public static final String ACTION_PACKAGE_DATA_CLEARED = "android.intent.action.PACKAGE_DATA_CLEARED";
1380    /**
1381     * Broadcast Action: A user ID has been removed from the system.  The user
1382     * ID number is stored in the extra data under {@link #EXTRA_UID}.
1383     *
1384     * <p class="note">This is a protected intent that can only be sent
1385     * by the system.
1386     */
1387    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1388    public static final String ACTION_UID_REMOVED = "android.intent.action.UID_REMOVED";
1389
1390    /**
1391     * Broadcast Action: Resources for a set of packages (which were
1392     * previously unavailable) are currently
1393     * available since the media on which they exist is available.
1394     * The extra data {@link #EXTRA_CHANGED_PACKAGE_LIST} contains a
1395     * list of packages whose availability changed.
1396     * The extra data {@link #EXTRA_CHANGED_UID_LIST} contains a
1397     * list of uids of packages whose availability changed.
1398     * Note that the
1399     * packages in this list do <em>not</em> receive this broadcast.
1400     * The specified set of packages are now available on the system.
1401     * <p>Includes the following extras:
1402     * <ul>
1403     * <li> {@link #EXTRA_CHANGED_PACKAGE_LIST} is the set of packages
1404     * whose resources(were previously unavailable) are currently available.
1405     * {@link #EXTRA_CHANGED_UID_LIST} is the set of uids of the
1406     * packages whose resources(were previously unavailable)
1407     * are  currently available.
1408     * </ul>
1409     *
1410     * <p class="note">This is a protected intent that can only be sent
1411     * by the system.
1412     */
1413    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1414    public static final String ACTION_EXTERNAL_APPLICATIONS_AVAILABLE =
1415        "android.intent.action.EXTERNAL_APPLICATIONS_AVAILABLE";
1416
1417    /**
1418     * Broadcast Action: Resources for a set of packages are currently
1419     * unavailable since the media on which they exist is unavailable.
1420     * The extra data {@link #EXTRA_CHANGED_PACKAGE_LIST} contains a
1421     * list of packages whose availability changed.
1422     * The extra data {@link #EXTRA_CHANGED_UID_LIST} contains a
1423     * list of uids of packages whose availability changed.
1424     * The specified set of packages can no longer be
1425     * launched and are practically unavailable on the system.
1426     * <p>Inclues the following extras:
1427     * <ul>
1428     * <li> {@link #EXTRA_CHANGED_PACKAGE_LIST} is the set of packages
1429     * whose resources are no longer available.
1430     * {@link #EXTRA_CHANGED_UID_LIST} is the set of packages
1431     * whose resources are no longer available.
1432     * </ul>
1433     *
1434     * <p class="note">This is a protected intent that can only be sent
1435     * by the system.
1436     */
1437    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1438    public static final String ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE =
1439        "android.intent.action.EXTERNAL_APPLICATIONS_UNAVAILABLE";
1440
1441    /**
1442     * Broadcast Action:  The current system wallpaper has changed.  See
1443     * {@link android.app.WallpaperManager} for retrieving the new wallpaper.
1444     */
1445    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1446    public static final String ACTION_WALLPAPER_CHANGED = "android.intent.action.WALLPAPER_CHANGED";
1447    /**
1448     * Broadcast Action: The current device {@link android.content.res.Configuration}
1449     * (orientation, locale, etc) has changed.  When such a change happens, the
1450     * UIs (view hierarchy) will need to be rebuilt based on this new
1451     * information; for the most part, applications don't need to worry about
1452     * this, because the system will take care of stopping and restarting the
1453     * application to make sure it sees the new changes.  Some system code that
1454     * can not be restarted will need to watch for this action and handle it
1455     * appropriately.
1456     *
1457     * <p class="note">
1458     * You can <em>not</em> receive this through components declared
1459     * in manifests, only by explicitly registering for it with
1460     * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
1461     * Context.registerReceiver()}.
1462     *
1463     * <p class="note">This is a protected intent that can only be sent
1464     * by the system.
1465     *
1466     * @see android.content.res.Configuration
1467     */
1468    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1469    public static final String ACTION_CONFIGURATION_CHANGED = "android.intent.action.CONFIGURATION_CHANGED";
1470    /**
1471     * Broadcast Action: The current device's locale has changed.
1472     *
1473     * <p class="note">This is a protected intent that can only be sent
1474     * by the system.
1475     */
1476    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1477    public static final String ACTION_LOCALE_CHANGED = "android.intent.action.LOCALE_CHANGED";
1478    /**
1479     * Broadcast Action:  This is a <em>sticky broadcast</em> containing the
1480     * charging state, level, and other information about the battery.
1481     * See {@link android.os.BatteryManager} for documentation on the
1482     * contents of the Intent.
1483     *
1484     * <p class="note">
1485     * You can <em>not</em> receive this through components declared
1486     * in manifests, only by explicitly registering for it with
1487     * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
1488     * Context.registerReceiver()}.  See {@link #ACTION_BATTERY_LOW},
1489     * {@link #ACTION_BATTERY_OKAY}, {@link #ACTION_POWER_CONNECTED},
1490     * and {@link #ACTION_POWER_DISCONNECTED} for distinct battery-related
1491     * broadcasts that are sent and can be received through manifest
1492     * receivers.
1493     *
1494     * <p class="note">This is a protected intent that can only be sent
1495     * by the system.
1496     */
1497    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1498    public static final String ACTION_BATTERY_CHANGED = "android.intent.action.BATTERY_CHANGED";
1499    /**
1500     * Broadcast Action:  Indicates low battery condition on the device.
1501     * This broadcast corresponds to the "Low battery warning" system dialog.
1502     *
1503     * <p class="note">This is a protected intent that can only be sent
1504     * by the system.
1505     */
1506    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1507    public static final String ACTION_BATTERY_LOW = "android.intent.action.BATTERY_LOW";
1508    /**
1509     * Broadcast Action:  Indicates the battery is now okay after being low.
1510     * This will be sent after {@link #ACTION_BATTERY_LOW} once the battery has
1511     * gone back up to an okay state.
1512     *
1513     * <p class="note">This is a protected intent that can only be sent
1514     * by the system.
1515     */
1516    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1517    public static final String ACTION_BATTERY_OKAY = "android.intent.action.BATTERY_OKAY";
1518    /**
1519     * Broadcast Action:  External power has been connected to the device.
1520     * This is intended for applications that wish to register specifically to this notification.
1521     * Unlike ACTION_BATTERY_CHANGED, applications will be woken for this and so do not have to
1522     * stay active to receive this notification.  This action can be used to implement actions
1523     * that wait until power is available to trigger.
1524     *
1525     * <p class="note">This is a protected intent that can only be sent
1526     * by the system.
1527     */
1528    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1529    public static final String ACTION_POWER_CONNECTED = "android.intent.action.ACTION_POWER_CONNECTED";
1530    /**
1531     * Broadcast Action:  External power has been removed from the device.
1532     * This is intended for applications that wish to register specifically to this notification.
1533     * Unlike ACTION_BATTERY_CHANGED, applications will be woken for this and so do not have to
1534     * stay active to receive this notification.  This action can be used to implement actions
1535     * that wait until power is available to trigger.
1536     *
1537     * <p class="note">This is a protected intent that can only be sent
1538     * by the system.
1539     */
1540    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1541    public static final String ACTION_POWER_DISCONNECTED =
1542            "android.intent.action.ACTION_POWER_DISCONNECTED";
1543    /**
1544     * Broadcast Action:  Device is shutting down.
1545     * This is broadcast when the device is being shut down (completely turned
1546     * off, not sleeping).  Once the broadcast is complete, the final shutdown
1547     * will proceed and all unsaved data lost.  Apps will not normally need
1548     * to handle this, since the foreground activity will be paused as well.
1549     *
1550     * <p class="note">This is a protected intent that can only be sent
1551     * by the system.
1552     */
1553    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1554    public static final String ACTION_SHUTDOWN = "android.intent.action.ACTION_SHUTDOWN";
1555    /**
1556     * Activity Action:  Start this activity to request system shutdown.
1557     * The optional boolean extra field {@link #EXTRA_KEY_CONFIRM} can be set to true
1558     * to request confirmation from the user before shutting down.
1559     *
1560     * <p class="note">This is a protected intent that can only be sent
1561     * by the system.
1562     *
1563     * {@hide}
1564     */
1565    public static final String ACTION_REQUEST_SHUTDOWN = "android.intent.action.ACTION_REQUEST_SHUTDOWN";
1566    /**
1567     * Broadcast Action:  A sticky broadcast that indicates low memory
1568     * condition on the device
1569     *
1570     * <p class="note">This is a protected intent that can only be sent
1571     * by the system.
1572     */
1573    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1574    public static final String ACTION_DEVICE_STORAGE_LOW = "android.intent.action.DEVICE_STORAGE_LOW";
1575    /**
1576     * Broadcast Action:  Indicates low memory condition on the device no longer exists
1577     *
1578     * <p class="note">This is a protected intent that can only be sent
1579     * by the system.
1580     */
1581    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1582    public static final String ACTION_DEVICE_STORAGE_OK = "android.intent.action.DEVICE_STORAGE_OK";
1583    /**
1584     * Broadcast Action:  A sticky broadcast that indicates a memory full
1585     * condition on the device. This is intended for activities that want
1586     * to be able to fill the data partition completely, leaving only
1587     * enough free space to prevent system-wide SQLite failures.
1588     *
1589     * <p class="note">This is a protected intent that can only be sent
1590     * by the system.
1591     *
1592     * {@hide}
1593     */
1594    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1595    public static final String ACTION_DEVICE_STORAGE_FULL = "android.intent.action.DEVICE_STORAGE_FULL";
1596    /**
1597     * Broadcast Action:  Indicates memory full condition on the device
1598     * no longer exists.
1599     *
1600     * <p class="note">This is a protected intent that can only be sent
1601     * by the system.
1602     *
1603     * {@hide}
1604     */
1605    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1606    public static final String ACTION_DEVICE_STORAGE_NOT_FULL = "android.intent.action.DEVICE_STORAGE_NOT_FULL";
1607    /**
1608     * Broadcast Action:  Indicates low memory condition notification acknowledged by user
1609     * and package management should be started.
1610     * This is triggered by the user from the ACTION_DEVICE_STORAGE_LOW
1611     * notification.
1612     */
1613    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1614    public static final String ACTION_MANAGE_PACKAGE_STORAGE = "android.intent.action.MANAGE_PACKAGE_STORAGE";
1615    /**
1616     * Broadcast Action:  The device has entered USB Mass Storage mode.
1617     * This is used mainly for the USB Settings panel.
1618     * Apps should listen for ACTION_MEDIA_MOUNTED and ACTION_MEDIA_UNMOUNTED broadcasts to be notified
1619     * when the SD card file system is mounted or unmounted
1620     */
1621    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1622    public static final String ACTION_UMS_CONNECTED = "android.intent.action.UMS_CONNECTED";
1623
1624    /**
1625     * Broadcast Action:  The device has exited USB Mass Storage mode.
1626     * This is used mainly for the USB Settings panel.
1627     * Apps should listen for ACTION_MEDIA_MOUNTED and ACTION_MEDIA_UNMOUNTED broadcasts to be notified
1628     * when the SD card file system is mounted or unmounted
1629     */
1630    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1631    public static final String ACTION_UMS_DISCONNECTED = "android.intent.action.UMS_DISCONNECTED";
1632
1633    /**
1634     * Broadcast Action:  External media has been removed.
1635     * The path to the mount point for the removed media is contained in the Intent.mData field.
1636     */
1637    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1638    public static final String ACTION_MEDIA_REMOVED = "android.intent.action.MEDIA_REMOVED";
1639
1640    /**
1641     * Broadcast Action:  External media is present, but not mounted at its mount point.
1642     * The path to the mount point for the removed media is contained in the Intent.mData field.
1643     */
1644    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1645    public static final String ACTION_MEDIA_UNMOUNTED = "android.intent.action.MEDIA_UNMOUNTED";
1646
1647    /**
1648     * Broadcast Action:  External media is present, and being disk-checked
1649     * The path to the mount point for the checking media is contained in the Intent.mData field.
1650     */
1651    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1652    public static final String ACTION_MEDIA_CHECKING = "android.intent.action.MEDIA_CHECKING";
1653
1654    /**
1655     * Broadcast Action:  External media is present, but is using an incompatible fs (or is blank)
1656     * The path to the mount point for the checking media is contained in the Intent.mData field.
1657     */
1658    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1659    public static final String ACTION_MEDIA_NOFS = "android.intent.action.MEDIA_NOFS";
1660
1661    /**
1662     * Broadcast Action:  External media is present and mounted at its mount point.
1663     * The path to the mount point for the removed media is contained in the Intent.mData field.
1664     * The Intent contains an extra with name "read-only" and Boolean value to indicate if the
1665     * media was mounted read only.
1666     */
1667    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1668    public static final String ACTION_MEDIA_MOUNTED = "android.intent.action.MEDIA_MOUNTED";
1669
1670    /**
1671     * Broadcast Action:  External media is unmounted because it is being shared via USB mass storage.
1672     * The path to the mount point for the shared media is contained in the Intent.mData field.
1673     */
1674    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1675    public static final String ACTION_MEDIA_SHARED = "android.intent.action.MEDIA_SHARED";
1676
1677    /**
1678     * Broadcast Action:  External media is no longer being shared via USB mass storage.
1679     * The path to the mount point for the previously shared media is contained in the Intent.mData field.
1680     *
1681     * @hide
1682     */
1683    public static final String ACTION_MEDIA_UNSHARED = "android.intent.action.MEDIA_UNSHARED";
1684
1685    /**
1686     * Broadcast Action:  External media was removed from SD card slot, but mount point was not unmounted.
1687     * The path to the mount point for the removed media is contained in the Intent.mData field.
1688     */
1689    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1690    public static final String ACTION_MEDIA_BAD_REMOVAL = "android.intent.action.MEDIA_BAD_REMOVAL";
1691
1692    /**
1693     * Broadcast Action:  External media is present but cannot be mounted.
1694     * The path to the mount point for the removed media is contained in the Intent.mData field.
1695     */
1696    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1697    public static final String ACTION_MEDIA_UNMOUNTABLE = "android.intent.action.MEDIA_UNMOUNTABLE";
1698
1699   /**
1700     * Broadcast Action:  User has expressed the desire to remove the external storage media.
1701     * Applications should close all files they have open within the mount point when they receive this intent.
1702     * The path to the mount point for the media to be ejected is contained in the Intent.mData field.
1703     */
1704    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1705    public static final String ACTION_MEDIA_EJECT = "android.intent.action.MEDIA_EJECT";
1706
1707    /**
1708     * Broadcast Action:  The media scanner has started scanning a directory.
1709     * The path to the directory being scanned is contained in the Intent.mData field.
1710     */
1711    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1712    public static final String ACTION_MEDIA_SCANNER_STARTED = "android.intent.action.MEDIA_SCANNER_STARTED";
1713
1714   /**
1715     * Broadcast Action:  The media scanner has finished scanning a directory.
1716     * The path to the scanned directory is contained in the Intent.mData field.
1717     */
1718    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1719    public static final String ACTION_MEDIA_SCANNER_FINISHED = "android.intent.action.MEDIA_SCANNER_FINISHED";
1720
1721   /**
1722     * Broadcast Action:  Request the media scanner to scan a file and add it to the media database.
1723     * The path to the file is contained in the Intent.mData field.
1724     */
1725    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1726    public static final String ACTION_MEDIA_SCANNER_SCAN_FILE = "android.intent.action.MEDIA_SCANNER_SCAN_FILE";
1727
1728   /**
1729     * Broadcast Action:  The "Media Button" was pressed.  Includes a single
1730     * extra field, {@link #EXTRA_KEY_EVENT}, containing the key event that
1731     * caused the broadcast.
1732     */
1733    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1734    public static final String ACTION_MEDIA_BUTTON = "android.intent.action.MEDIA_BUTTON";
1735
1736    /**
1737     * Broadcast Action:  The "Camera Button" was pressed.  Includes a single
1738     * extra field, {@link #EXTRA_KEY_EVENT}, containing the key event that
1739     * caused the broadcast.
1740     */
1741    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1742    public static final String ACTION_CAMERA_BUTTON = "android.intent.action.CAMERA_BUTTON";
1743
1744    // *** NOTE: @todo(*) The following really should go into a more domain-specific
1745    // location; they are not general-purpose actions.
1746
1747    /**
1748     * Broadcast Action: An GTalk connection has been established.
1749     */
1750    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1751    public static final String ACTION_GTALK_SERVICE_CONNECTED =
1752            "android.intent.action.GTALK_CONNECTED";
1753
1754    /**
1755     * Broadcast Action: An GTalk connection has been disconnected.
1756     */
1757    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1758    public static final String ACTION_GTALK_SERVICE_DISCONNECTED =
1759            "android.intent.action.GTALK_DISCONNECTED";
1760
1761    /**
1762     * Broadcast Action: An input method has been changed.
1763     */
1764    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1765    public static final String ACTION_INPUT_METHOD_CHANGED =
1766            "android.intent.action.INPUT_METHOD_CHANGED";
1767
1768    /**
1769     * <p>Broadcast Action: The user has switched the phone into or out of Airplane Mode. One or
1770     * more radios have been turned off or on. The intent will have the following extra value:</p>
1771     * <ul>
1772     *   <li><em>state</em> - A boolean value indicating whether Airplane Mode is on. If true,
1773     *   then cell radio and possibly other radios such as bluetooth or WiFi may have also been
1774     *   turned off</li>
1775     * </ul>
1776     *
1777     * <p class="note">This is a protected intent that can only be sent
1778     * by the system.
1779     */
1780    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1781    public static final String ACTION_AIRPLANE_MODE_CHANGED = "android.intent.action.AIRPLANE_MODE";
1782
1783    /**
1784     * Broadcast Action: Some content providers have parts of their namespace
1785     * where they publish new events or items that the user may be especially
1786     * interested in. For these things, they may broadcast this action when the
1787     * set of interesting items change.
1788     *
1789     * For example, GmailProvider sends this notification when the set of unread
1790     * mail in the inbox changes.
1791     *
1792     * <p>The data of the intent identifies which part of which provider
1793     * changed. When queried through the content resolver, the data URI will
1794     * return the data set in question.
1795     *
1796     * <p>The intent will have the following extra values:
1797     * <ul>
1798     *   <li><em>count</em> - The number of items in the data set. This is the
1799     *       same as the number of items in the cursor returned by querying the
1800     *       data URI. </li>
1801     * </ul>
1802     *
1803     * This intent will be sent at boot (if the count is non-zero) and when the
1804     * data set changes. It is possible for the data set to change without the
1805     * count changing (for example, if a new unread message arrives in the same
1806     * sync operation in which a message is archived). The phone should still
1807     * ring/vibrate/etc as normal in this case.
1808     */
1809    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1810    public static final String ACTION_PROVIDER_CHANGED =
1811            "android.intent.action.PROVIDER_CHANGED";
1812
1813    /**
1814     * Broadcast Action: Wired Headset plugged in or unplugged.
1815     *
1816     * <p>The intent will have the following extra values:
1817     * <ul>
1818     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
1819     *   <li><em>name</em> - Headset type, human readable string </li>
1820     *   <li><em>microphone</em> - 1 if headset has a microphone, 0 otherwise </li>
1821     * </ul>
1822     * </ul>
1823     */
1824    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1825    public static final String ACTION_HEADSET_PLUG =
1826            "android.intent.action.HEADSET_PLUG";
1827
1828    /**
1829     * Broadcast Action: An analog audio speaker/headset plugged in or unplugged.
1830     *
1831     * <p>The intent will have the following extra values:
1832     * <ul>
1833     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
1834     *   <li><em>name</em> - Headset type, human readable string </li>
1835     * </ul>
1836     * </ul>
1837     * @hide
1838     */
1839    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1840    public static final String ACTION_USB_ANLG_HEADSET_PLUG =
1841            "android.intent.action.DOCK_HEADSET_PLUG";
1842
1843    /**
1844     * Broadcast Action: An analog audio speaker/headset plugged in or unplugged.
1845     *
1846     * <p>The intent will have the following extra values:
1847     * <ul>
1848     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
1849     *   <li><em>name</em> - Headset type, human readable string </li>
1850     * </ul>
1851     * </ul>
1852     * @hide
1853     */
1854    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1855    public static final String ACTION_USB_DGTL_HEADSET_PLUG =
1856            "android.intent.action.DOCK_HEADSET_PLUG";
1857
1858    /**
1859     * Broadcast Action: An outgoing call is about to be placed.
1860     *
1861     * <p>The Intent will have the following extra value:
1862     * <ul>
1863     *   <li><em>{@link android.content.Intent#EXTRA_PHONE_NUMBER}</em> -
1864     *       the phone number originally intended to be dialed.</li>
1865     * </ul>
1866     * <p>Once the broadcast is finished, the resultData is used as the actual
1867     * number to call.  If  <code>null</code>, no call will be placed.</p>
1868     * <p>It is perfectly acceptable for multiple receivers to process the
1869     * outgoing call in turn: for example, a parental control application
1870     * might verify that the user is authorized to place the call at that
1871     * time, then a number-rewriting application might add an area code if
1872     * one was not specified.</p>
1873     * <p>For consistency, any receiver whose purpose is to prohibit phone
1874     * calls should have a priority of 0, to ensure it will see the final
1875     * phone number to be dialed.
1876     * Any receiver whose purpose is to rewrite phone numbers to be called
1877     * should have a positive priority.
1878     * Negative priorities are reserved for the system for this broadcast;
1879     * using them may cause problems.</p>
1880     * <p>Any BroadcastReceiver receiving this Intent <em>must not</em>
1881     * abort the broadcast.</p>
1882     * <p>Emergency calls cannot be intercepted using this mechanism, and
1883     * other calls cannot be modified to call emergency numbers using this
1884     * mechanism.
1885     * <p>You must hold the
1886     * {@link android.Manifest.permission#PROCESS_OUTGOING_CALLS}
1887     * permission to receive this Intent.</p>
1888     *
1889     * <p class="note">This is a protected intent that can only be sent
1890     * by the system.
1891     */
1892    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1893    public static final String ACTION_NEW_OUTGOING_CALL =
1894            "android.intent.action.NEW_OUTGOING_CALL";
1895
1896    /**
1897     * Broadcast Action: Have the device reboot.  This is only for use by
1898     * system code.
1899     *
1900     * <p class="note">This is a protected intent that can only be sent
1901     * by the system.
1902     */
1903    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1904    public static final String ACTION_REBOOT =
1905            "android.intent.action.REBOOT";
1906
1907    /**
1908     * Broadcast Action:  A sticky broadcast for changes in the physical
1909     * docking state of the device.
1910     *
1911     * <p>The intent will have the following extra values:
1912     * <ul>
1913     *   <li><em>{@link #EXTRA_DOCK_STATE}</em> - the current dock
1914     *       state, indicating which dock the device is physically in.</li>
1915     * </ul>
1916     * <p>This is intended for monitoring the current physical dock state.
1917     * See {@link android.app.UiModeManager} for the normal API dealing with
1918     * dock mode changes.
1919     */
1920    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1921    public static final String ACTION_DOCK_EVENT =
1922            "android.intent.action.DOCK_EVENT";
1923
1924    /**
1925     * Broadcast Action: a remote intent is to be broadcasted.
1926     *
1927     * A remote intent is used for remote RPC between devices. The remote intent
1928     * is serialized and sent from one device to another device. The receiving
1929     * device parses the remote intent and broadcasts it. Note that anyone can
1930     * broadcast a remote intent. However, if the intent receiver of the remote intent
1931     * does not trust intent broadcasts from arbitrary intent senders, it should require
1932     * the sender to hold certain permissions so only trusted sender's broadcast will be
1933     * let through.
1934     * @hide
1935     */
1936    public static final String ACTION_REMOTE_INTENT =
1937            "com.google.android.c2dm.intent.RECEIVE";
1938
1939    /**
1940     * Broadcast Action: hook for permforming cleanup after a system update.
1941     *
1942     * The broadcast is sent when the system is booting, before the
1943     * BOOT_COMPLETED broadcast.  It is only sent to receivers in the system
1944     * image.  A receiver for this should do its work and then disable itself
1945     * so that it does not get run again at the next boot.
1946     * @hide
1947     */
1948    public static final String ACTION_PRE_BOOT_COMPLETED =
1949            "android.intent.action.PRE_BOOT_COMPLETED";
1950
1951    // ---------------------------------------------------------------------
1952    // ---------------------------------------------------------------------
1953    // Standard intent categories (see addCategory()).
1954
1955    /**
1956     * Set if the activity should be an option for the default action
1957     * (center press) to perform on a piece of data.  Setting this will
1958     * hide from the user any activities without it set when performing an
1959     * action on some data.  Note that this is normal -not- set in the
1960     * Intent when initiating an action -- it is for use in intent filters
1961     * specified in packages.
1962     */
1963    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
1964    public static final String CATEGORY_DEFAULT = "android.intent.category.DEFAULT";
1965    /**
1966     * Activities that can be safely invoked from a browser must support this
1967     * category.  For example, if the user is viewing a web page or an e-mail
1968     * and clicks on a link in the text, the Intent generated execute that
1969     * link will require the BROWSABLE category, so that only activities
1970     * supporting this category will be considered as possible actions.  By
1971     * supporting this category, you are promising that there is nothing
1972     * damaging (without user intervention) that can happen by invoking any
1973     * matching Intent.
1974     */
1975    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
1976    public static final String CATEGORY_BROWSABLE = "android.intent.category.BROWSABLE";
1977    /**
1978     * Set if the activity should be considered as an alternative action to
1979     * the data the user is currently viewing.  See also
1980     * {@link #CATEGORY_SELECTED_ALTERNATIVE} for an alternative action that
1981     * applies to the selection in a list of items.
1982     *
1983     * <p>Supporting this category means that you would like your activity to be
1984     * displayed in the set of alternative things the user can do, usually as
1985     * part of the current activity's options menu.  You will usually want to
1986     * include a specific label in the &lt;intent-filter&gt; of this action
1987     * describing to the user what it does.
1988     *
1989     * <p>The action of IntentFilter with this category is important in that it
1990     * describes the specific action the target will perform.  This generally
1991     * should not be a generic action (such as {@link #ACTION_VIEW}, but rather
1992     * a specific name such as "com.android.camera.action.CROP.  Only one
1993     * alternative of any particular action will be shown to the user, so using
1994     * a specific action like this makes sure that your alternative will be
1995     * displayed while also allowing other applications to provide their own
1996     * overrides of that particular action.
1997     */
1998    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
1999    public static final String CATEGORY_ALTERNATIVE = "android.intent.category.ALTERNATIVE";
2000    /**
2001     * Set if the activity should be considered as an alternative selection
2002     * action to the data the user has currently selected.  This is like
2003     * {@link #CATEGORY_ALTERNATIVE}, but is used in activities showing a list
2004     * of items from which the user can select, giving them alternatives to the
2005     * default action that will be performed on it.
2006     */
2007    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2008    public static final String CATEGORY_SELECTED_ALTERNATIVE = "android.intent.category.SELECTED_ALTERNATIVE";
2009    /**
2010     * Intended to be used as a tab inside of an containing TabActivity.
2011     */
2012    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2013    public static final String CATEGORY_TAB = "android.intent.category.TAB";
2014    /**
2015     * Should be displayed in the top-level launcher.
2016     */
2017    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2018    public static final String CATEGORY_LAUNCHER = "android.intent.category.LAUNCHER";
2019    /**
2020     * Provides information about the package it is in; typically used if
2021     * a package does not contain a {@link #CATEGORY_LAUNCHER} to provide
2022     * a front-door to the user without having to be shown in the all apps list.
2023     */
2024    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2025    public static final String CATEGORY_INFO = "android.intent.category.INFO";
2026    /**
2027     * This is the home activity, that is the first activity that is displayed
2028     * when the device boots.
2029     */
2030    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2031    public static final String CATEGORY_HOME = "android.intent.category.HOME";
2032    /**
2033     * This activity is a preference panel.
2034     */
2035    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2036    public static final String CATEGORY_PREFERENCE = "android.intent.category.PREFERENCE";
2037    /**
2038     * This activity is a development preference panel.
2039     */
2040    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2041    public static final String CATEGORY_DEVELOPMENT_PREFERENCE = "android.intent.category.DEVELOPMENT_PREFERENCE";
2042    /**
2043     * Capable of running inside a parent activity container.
2044     */
2045    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2046    public static final String CATEGORY_EMBED = "android.intent.category.EMBED";
2047    /**
2048     * This activity allows the user to browse and download new applications.
2049     */
2050    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2051    public static final String CATEGORY_APP_MARKET = "android.intent.category.APP_MARKET";
2052    /**
2053     * This activity may be exercised by the monkey or other automated test tools.
2054     */
2055    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2056    public static final String CATEGORY_MONKEY = "android.intent.category.MONKEY";
2057    /**
2058     * To be used as a test (not part of the normal user experience).
2059     */
2060    public static final String CATEGORY_TEST = "android.intent.category.TEST";
2061    /**
2062     * To be used as a unit test (run through the Test Harness).
2063     */
2064    public static final String CATEGORY_UNIT_TEST = "android.intent.category.UNIT_TEST";
2065    /**
2066     * To be used as an sample code example (not part of the normal user
2067     * experience).
2068     */
2069    public static final String CATEGORY_SAMPLE_CODE = "android.intent.category.SAMPLE_CODE";
2070    /**
2071     * Used to indicate that a GET_CONTENT intent only wants URIs that can be opened with
2072     * ContentResolver.openInputStream. Openable URIs must support the columns in OpenableColumns
2073     * when queried, though it is allowable for those columns to be blank.
2074     */
2075    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2076    public static final String CATEGORY_OPENABLE = "android.intent.category.OPENABLE";
2077
2078    /**
2079     * To be used as code under test for framework instrumentation tests.
2080     */
2081    public static final String CATEGORY_FRAMEWORK_INSTRUMENTATION_TEST =
2082            "android.intent.category.FRAMEWORK_INSTRUMENTATION_TEST";
2083    /**
2084     * An activity to run when device is inserted into a car dock.
2085     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2086     * information, see {@link android.app.UiModeManager}.
2087     */
2088    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2089    public static final String CATEGORY_CAR_DOCK = "android.intent.category.CAR_DOCK";
2090    /**
2091     * An activity to run when device is inserted into a car dock.
2092     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2093     * information, see {@link android.app.UiModeManager}.
2094     */
2095    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2096    public static final String CATEGORY_DESK_DOCK = "android.intent.category.DESK_DOCK";
2097    /**
2098     * An activity to run when device is inserted into a analog (low end) dock.
2099     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2100     * information, see {@link android.app.UiModeManager}.
2101     */
2102    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2103    public static final String CATEGORY_LE_DESK_DOCK = "android.intent.category.LE_DESK_DOCK";
2104
2105    /**
2106     * An activity to run when device is inserted into a digital (high end) dock.
2107     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2108     * information, see {@link android.app.UiModeManager}.
2109     */
2110    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2111    public static final String CATEGORY_HE_DESK_DOCK = "android.intent.category.HE_DESK_DOCK";
2112
2113    /**
2114     * Used to indicate that the activity can be used in a car environment.
2115     */
2116    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2117    public static final String CATEGORY_CAR_MODE = "android.intent.category.CAR_MODE";
2118
2119    // ---------------------------------------------------------------------
2120    // ---------------------------------------------------------------------
2121    // Standard extra data keys.
2122
2123    /**
2124     * The initial data to place in a newly created record.  Use with
2125     * {@link #ACTION_INSERT}.  The data here is a Map containing the same
2126     * fields as would be given to the underlying ContentProvider.insert()
2127     * call.
2128     */
2129    public static final String EXTRA_TEMPLATE = "android.intent.extra.TEMPLATE";
2130
2131    /**
2132     * A constant CharSequence that is associated with the Intent, used with
2133     * {@link #ACTION_SEND} to supply the literal data to be sent.  Note that
2134     * this may be a styled CharSequence, so you must use
2135     * {@link Bundle#getCharSequence(String) Bundle.getCharSequence()} to
2136     * retrieve it.
2137     */
2138    public static final String EXTRA_TEXT = "android.intent.extra.TEXT";
2139
2140    /**
2141     * A content: URI holding a stream of data associated with the Intent,
2142     * used with {@link #ACTION_SEND} to supply the data being sent.
2143     */
2144    public static final String EXTRA_STREAM = "android.intent.extra.STREAM";
2145
2146    /**
2147     * A String[] holding e-mail addresses that should be delivered to.
2148     */
2149    public static final String EXTRA_EMAIL       = "android.intent.extra.EMAIL";
2150
2151    /**
2152     * A String[] holding e-mail addresses that should be carbon copied.
2153     */
2154    public static final String EXTRA_CC       = "android.intent.extra.CC";
2155
2156    /**
2157     * A String[] holding e-mail addresses that should be blind carbon copied.
2158     */
2159    public static final String EXTRA_BCC      = "android.intent.extra.BCC";
2160
2161    /**
2162     * A constant string holding the desired subject line of a message.
2163     */
2164    public static final String EXTRA_SUBJECT  = "android.intent.extra.SUBJECT";
2165
2166    /**
2167     * An Intent describing the choices you would like shown with
2168     * {@link #ACTION_PICK_ACTIVITY}.
2169     */
2170    public static final String EXTRA_INTENT = "android.intent.extra.INTENT";
2171
2172    /**
2173     * A CharSequence dialog title to provide to the user when used with a
2174     * {@link #ACTION_CHOOSER}.
2175     */
2176    public static final String EXTRA_TITLE = "android.intent.extra.TITLE";
2177
2178    /**
2179     * A Parcelable[] of {@link Intent} or
2180     * {@link android.content.pm.LabeledIntent} objects as set with
2181     * {@link #putExtra(String, Parcelable[])} of additional activities to place
2182     * a the front of the list of choices, when shown to the user with a
2183     * {@link #ACTION_CHOOSER}.
2184     */
2185    public static final String EXTRA_INITIAL_INTENTS = "android.intent.extra.INITIAL_INTENTS";
2186
2187    /**
2188     * A {@link android.view.KeyEvent} object containing the event that
2189     * triggered the creation of the Intent it is in.
2190     */
2191    public static final String EXTRA_KEY_EVENT = "android.intent.extra.KEY_EVENT";
2192
2193    /**
2194     * Set to true in {@link #ACTION_REQUEST_SHUTDOWN} to request confirmation from the user
2195     * before shutting down.
2196     *
2197     * {@hide}
2198     */
2199    public static final String EXTRA_KEY_CONFIRM = "android.intent.extra.KEY_CONFIRM";
2200
2201    /**
2202     * Used as an boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} or
2203     * {@link android.content.Intent#ACTION_PACKAGE_CHANGED} intents to override the default action
2204     * of restarting the application.
2205     */
2206    public static final String EXTRA_DONT_KILL_APP = "android.intent.extra.DONT_KILL_APP";
2207
2208    /**
2209     * A String holding the phone number originally entered in
2210     * {@link android.content.Intent#ACTION_NEW_OUTGOING_CALL}, or the actual
2211     * number to call in a {@link android.content.Intent#ACTION_CALL}.
2212     */
2213    public static final String EXTRA_PHONE_NUMBER = "android.intent.extra.PHONE_NUMBER";
2214
2215    /**
2216     * Used as an int extra field in {@link android.content.Intent#ACTION_UID_REMOVED}
2217     * intents to supply the uid the package had been assigned.  Also an optional
2218     * extra in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} or
2219     * {@link android.content.Intent#ACTION_PACKAGE_CHANGED} for the same
2220     * purpose.
2221     */
2222    public static final String EXTRA_UID = "android.intent.extra.UID";
2223
2224    /**
2225     * @hide String array of package names.
2226     */
2227    public static final String EXTRA_PACKAGES = "android.intent.extra.PACKAGES";
2228
2229    /**
2230     * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED}
2231     * intents to indicate whether this represents a full uninstall (removing
2232     * both the code and its data) or a partial uninstall (leaving its data,
2233     * implying that this is an update).
2234     */
2235    public static final String EXTRA_DATA_REMOVED = "android.intent.extra.DATA_REMOVED";
2236
2237    /**
2238     * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED}
2239     * intents to indicate that this is a replacement of the package, so this
2240     * broadcast will immediately be followed by an add broadcast for a
2241     * different version of the same package.
2242     */
2243    public static final String EXTRA_REPLACING = "android.intent.extra.REPLACING";
2244
2245    /**
2246     * Used as an int extra field in {@link android.app.AlarmManager} intents
2247     * to tell the application being invoked how many pending alarms are being
2248     * delievered with the intent.  For one-shot alarms this will always be 1.
2249     * For recurring alarms, this might be greater than 1 if the device was
2250     * asleep or powered off at the time an earlier alarm would have been
2251     * delivered.
2252     */
2253    public static final String EXTRA_ALARM_COUNT = "android.intent.extra.ALARM_COUNT";
2254
2255    /**
2256     * Used as an int extra field in {@link android.content.Intent#ACTION_DOCK_EVENT}
2257     * intents to request the dock state.  Possible values are
2258     * {@link android.content.Intent#EXTRA_DOCK_STATE_UNDOCKED},
2259     * {@link android.content.Intent#EXTRA_DOCK_STATE_DESK}, or
2260     * {@link android.content.Intent#EXTRA_DOCK_STATE_CAR}, or
2261     * {@link android.content.Intent#EXTRA_DOCK_STATE_LE_DESK}, or
2262     * {@link android.content.Intent#EXTRA_DOCK_STATE_HE_DESK}.
2263     */
2264    public static final String EXTRA_DOCK_STATE = "android.intent.extra.DOCK_STATE";
2265
2266    /**
2267     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
2268     * to represent that the phone is not in any dock.
2269     */
2270    public static final int EXTRA_DOCK_STATE_UNDOCKED = 0;
2271
2272    /**
2273     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
2274     * to represent that the phone is in a desk dock.
2275     */
2276    public static final int EXTRA_DOCK_STATE_DESK = 1;
2277
2278    /**
2279     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
2280     * to represent that the phone is in a car dock.
2281     */
2282    public static final int EXTRA_DOCK_STATE_CAR = 2;
2283
2284    /**
2285     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
2286     * to represent that the phone is in a analog (low end) dock.
2287     */
2288    public static final int EXTRA_DOCK_STATE_LE_DESK = 3;
2289
2290    /**
2291     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
2292     * to represent that the phone is in a digital (high end) dock.
2293     */
2294    public static final int EXTRA_DOCK_STATE_HE_DESK = 4;
2295
2296    /**
2297     * Boolean that can be supplied as meta-data with a dock activity, to
2298     * indicate that the dock should take over the home key when it is active.
2299     */
2300    public static final String METADATA_DOCK_HOME = "android.dock_home";
2301
2302    /**
2303     * Used as a parcelable extra field in {@link #ACTION_APP_ERROR}, containing
2304     * the bug report.
2305     *
2306     * @hide
2307     */
2308    public static final String EXTRA_BUG_REPORT = "android.intent.extra.BUG_REPORT";
2309
2310    /**
2311     * Used as a string extra field when sending an intent to PackageInstaller to install a
2312     * package. Specifies the installer package name; this package will receive the
2313     * {@link #ACTION_APP_ERROR} intent.
2314     *
2315     * @hide
2316     */
2317    public static final String EXTRA_INSTALLER_PACKAGE_NAME
2318            = "android.intent.extra.INSTALLER_PACKAGE_NAME";
2319
2320    /**
2321     * Used in the extra field in the remote intent. It's astring token passed with the
2322     * remote intent.
2323     */
2324    public static final String EXTRA_REMOTE_INTENT_TOKEN =
2325            "android.intent.extra.remote_intent_token";
2326
2327    /**
2328     * @deprecated See {@link #EXTRA_CHANGED_COMPONENT_NAME_LIST}; this field
2329     * will contain only the first name in the list.
2330     */
2331    @Deprecated public static final String EXTRA_CHANGED_COMPONENT_NAME =
2332            "android.intent.extra.changed_component_name";
2333
2334    /**
2335     * This field is part of {@link android.content.Intent#ACTION_PACKAGE_CHANGED},
2336     * and contains a string array of all of the components that have changed.
2337     */
2338    public static final String EXTRA_CHANGED_COMPONENT_NAME_LIST =
2339            "android.intent.extra.changed_component_name_list";
2340
2341    /**
2342     * This field is part of
2343     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_AVAILABLE},
2344     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE}
2345     * and contains a string array of all of the components that have changed.
2346     */
2347    public static final String EXTRA_CHANGED_PACKAGE_LIST =
2348            "android.intent.extra.changed_package_list";
2349
2350    /**
2351     * This field is part of
2352     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_AVAILABLE},
2353     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE}
2354     * and contains an integer array of uids of all of the components
2355     * that have changed.
2356     */
2357    public static final String EXTRA_CHANGED_UID_LIST =
2358            "android.intent.extra.changed_uid_list";
2359
2360    /**
2361     * @hide
2362     * Magic extra system code can use when binding, to give a label for
2363     * who it is that has bound to a service.  This is an integer giving
2364     * a framework string resource that can be displayed to the user.
2365     */
2366    public static final String EXTRA_CLIENT_LABEL =
2367            "android.intent.extra.client_label";
2368
2369    /**
2370     * @hide
2371     * Magic extra system code can use when binding, to give a PendingIntent object
2372     * that can be launched for the user to disable the system's use of this
2373     * service.
2374     */
2375    public static final String EXTRA_CLIENT_INTENT =
2376            "android.intent.extra.client_intent";
2377
2378    // ---------------------------------------------------------------------
2379    // ---------------------------------------------------------------------
2380    // Intent flags (see mFlags variable).
2381
2382    /**
2383     * If set, the recipient of this Intent will be granted permission to
2384     * perform read operations on the Uri in the Intent's data.
2385     */
2386    public static final int FLAG_GRANT_READ_URI_PERMISSION = 0x00000001;
2387    /**
2388     * If set, the recipient of this Intent will be granted permission to
2389     * perform write operations on the Uri in the Intent's data.
2390     */
2391    public static final int FLAG_GRANT_WRITE_URI_PERMISSION = 0x00000002;
2392    /**
2393     * Can be set by the caller to indicate that this Intent is coming from
2394     * a background operation, not from direct user interaction.
2395     */
2396    public static final int FLAG_FROM_BACKGROUND = 0x00000004;
2397    /**
2398     * A flag you can enable for debugging: when set, log messages will be
2399     * printed during the resolution of this intent to show you what has
2400     * been found to create the final resolved list.
2401     */
2402    public static final int FLAG_DEBUG_LOG_RESOLUTION = 0x00000008;
2403
2404    /**
2405     * If set, the new activity is not kept in the history stack.  As soon as
2406     * the user navigates away from it, the activity is finished.  This may also
2407     * be set with the {@link android.R.styleable#AndroidManifestActivity_noHistory
2408     * noHistory} attribute.
2409     */
2410    public static final int FLAG_ACTIVITY_NO_HISTORY = 0x40000000;
2411    /**
2412     * If set, the activity will not be launched if it is already running
2413     * at the top of the history stack.
2414     */
2415    public static final int FLAG_ACTIVITY_SINGLE_TOP = 0x20000000;
2416    /**
2417     * If set, this activity will become the start of a new task on this
2418     * history stack.  A task (from the activity that started it to the
2419     * next task activity) defines an atomic group of activities that the
2420     * user can move to.  Tasks can be moved to the foreground and background;
2421     * all of the activities inside of a particular task always remain in
2422     * the same order.  See
2423     * <a href="{@docRoot}guide/topics/fundamentals.html#acttask">Application Fundamentals:
2424     * Activities and Tasks</a> for more details on tasks.
2425     *
2426     * <p>This flag is generally used by activities that want
2427     * to present a "launcher" style behavior: they give the user a list of
2428     * separate things that can be done, which otherwise run completely
2429     * independently of the activity launching them.
2430     *
2431     * <p>When using this flag, if a task is already running for the activity
2432     * you are now starting, then a new activity will not be started; instead,
2433     * the current task will simply be brought to the front of the screen with
2434     * the state it was last in.  See {@link #FLAG_ACTIVITY_MULTIPLE_TASK} for a flag
2435     * to disable this behavior.
2436     *
2437     * <p>This flag can not be used when the caller is requesting a result from
2438     * the activity being launched.
2439     */
2440    public static final int FLAG_ACTIVITY_NEW_TASK = 0x10000000;
2441    /**
2442     * <strong>Do not use this flag unless you are implementing your own
2443     * top-level application launcher.</strong>  Used in conjunction with
2444     * {@link #FLAG_ACTIVITY_NEW_TASK} to disable the
2445     * behavior of bringing an existing task to the foreground.  When set,
2446     * a new task is <em>always</em> started to host the Activity for the
2447     * Intent, regardless of whether there is already an existing task running
2448     * the same thing.
2449     *
2450     * <p><strong>Because the default system does not include graphical task management,
2451     * you should not use this flag unless you provide some way for a user to
2452     * return back to the tasks you have launched.</strong>
2453     *
2454     * <p>This flag is ignored if
2455     * {@link #FLAG_ACTIVITY_NEW_TASK} is not set.
2456     *
2457     * <p>See <a href="{@docRoot}guide/topics/fundamentals.html#acttask">Application Fundamentals:
2458     * Activities and Tasks</a> for more details on tasks.
2459     */
2460    public static final int FLAG_ACTIVITY_MULTIPLE_TASK = 0x08000000;
2461    /**
2462     * If set, and the activity being launched is already running in the
2463     * current task, then instead of launching a new instance of that activity,
2464     * all of the other activities on top of it will be closed and this Intent
2465     * will be delivered to the (now on top) old activity as a new Intent.
2466     *
2467     * <p>For example, consider a task consisting of the activities: A, B, C, D.
2468     * If D calls startActivity() with an Intent that resolves to the component
2469     * of activity B, then C and D will be finished and B receive the given
2470     * Intent, resulting in the stack now being: A, B.
2471     *
2472     * <p>The currently running instance of activity B in the above example will
2473     * either receive the new intent you are starting here in its
2474     * onNewIntent() method, or be itself finished and restarted with the
2475     * new intent.  If it has declared its launch mode to be "multiple" (the
2476     * default) and you have not set {@link #FLAG_ACTIVITY_SINGLE_TOP} in
2477     * the same intent, then it will be finished and re-created; for all other
2478     * launch modes or if {@link #FLAG_ACTIVITY_SINGLE_TOP} is set then this
2479     * Intent will be delivered to the current instance's onNewIntent().
2480     *
2481     * <p>This launch mode can also be used to good effect in conjunction with
2482     * {@link #FLAG_ACTIVITY_NEW_TASK}: if used to start the root activity
2483     * of a task, it will bring any currently running instance of that task
2484     * to the foreground, and then clear it to its root state.  This is
2485     * especially useful, for example, when launching an activity from the
2486     * notification manager.
2487     *
2488     * <p>See <a href="{@docRoot}guide/topics/fundamentals.html#acttask">Application Fundamentals:
2489     * Activities and Tasks</a> for more details on tasks.
2490     */
2491    public static final int FLAG_ACTIVITY_CLEAR_TOP = 0x04000000;
2492    /**
2493     * If set and this intent is being used to launch a new activity from an
2494     * existing one, then the reply target of the existing activity will be
2495     * transfered to the new activity.  This way the new activity can call
2496     * {@link android.app.Activity#setResult} and have that result sent back to
2497     * the reply target of the original activity.
2498     */
2499    public static final int FLAG_ACTIVITY_FORWARD_RESULT = 0x02000000;
2500    /**
2501     * If set and this intent is being used to launch a new activity from an
2502     * existing one, the current activity will not be counted as the top
2503     * activity for deciding whether the new intent should be delivered to
2504     * the top instead of starting a new one.  The previous activity will
2505     * be used as the top, with the assumption being that the current activity
2506     * will finish itself immediately.
2507     */
2508    public static final int FLAG_ACTIVITY_PREVIOUS_IS_TOP = 0x01000000;
2509    /**
2510     * If set, the new activity is not kept in the list of recently launched
2511     * activities.
2512     */
2513    public static final int FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS = 0x00800000;
2514    /**
2515     * This flag is not normally set by application code, but set for you by
2516     * the system as described in the
2517     * {@link android.R.styleable#AndroidManifestActivity_launchMode
2518     * launchMode} documentation for the singleTask mode.
2519     */
2520    public static final int FLAG_ACTIVITY_BROUGHT_TO_FRONT = 0x00400000;
2521    /**
2522     * If set, and this activity is either being started in a new task or
2523     * bringing to the top an existing task, then it will be launched as
2524     * the front door of the task.  This will result in the application of
2525     * any affinities needed to have that task in the proper state (either
2526     * moving activities to or from it), or simply resetting that task to
2527     * its initial state if needed.
2528     */
2529    public static final int FLAG_ACTIVITY_RESET_TASK_IF_NEEDED = 0x00200000;
2530    /**
2531     * This flag is not normally set by application code, but set for you by
2532     * the system if this activity is being launched from history
2533     * (longpress home key).
2534     */
2535    public static final int FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY = 0x00100000;
2536    /**
2537     * If set, this marks a point in the task's activity stack that should
2538     * be cleared when the task is reset.  That is, the next time the task
2539     * is brought to the foreground with
2540     * {@link #FLAG_ACTIVITY_RESET_TASK_IF_NEEDED} (typically as a result of
2541     * the user re-launching it from home), this activity and all on top of
2542     * it will be finished so that the user does not return to them, but
2543     * instead returns to whatever activity preceeded it.
2544     *
2545     * <p>This is useful for cases where you have a logical break in your
2546     * application.  For example, an e-mail application may have a command
2547     * to view an attachment, which launches an image view activity to
2548     * display it.  This activity should be part of the e-mail application's
2549     * task, since it is a part of the task the user is involved in.  However,
2550     * if the user leaves that task, and later selects the e-mail app from
2551     * home, we may like them to return to the conversation they were
2552     * viewing, not the picture attachment, since that is confusing.  By
2553     * setting this flag when launching the image viewer, that viewer and
2554     * any activities it starts will be removed the next time the user returns
2555     * to mail.
2556     */
2557    public static final int FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET = 0x00080000;
2558    /**
2559     * If set, this flag will prevent the normal {@link android.app.Activity#onUserLeaveHint}
2560     * callback from occurring on the current frontmost activity before it is
2561     * paused as the newly-started activity is brought to the front.
2562     *
2563     * <p>Typically, an activity can rely on that callback to indicate that an
2564     * explicit user action has caused their activity to be moved out of the
2565     * foreground. The callback marks an appropriate point in the activity's
2566     * lifecycle for it to dismiss any notifications that it intends to display
2567     * "until the user has seen them," such as a blinking LED.
2568     *
2569     * <p>If an activity is ever started via any non-user-driven events such as
2570     * phone-call receipt or an alarm handler, this flag should be passed to {@link
2571     * Context#startActivity Context.startActivity}, ensuring that the pausing
2572     * activity does not think the user has acknowledged its notification.
2573     */
2574    public static final int FLAG_ACTIVITY_NO_USER_ACTION = 0x00040000;
2575    /**
2576     * If set in an Intent passed to {@link Context#startActivity Context.startActivity()},
2577     * this flag will cause the launched activity to be brought to the front of its
2578     * task's history stack if it is already running.
2579     *
2580     * <p>For example, consider a task consisting of four activities: A, B, C, D.
2581     * If D calls startActivity() with an Intent that resolves to the component
2582     * of activity B, then B will be brought to the front of the history stack,
2583     * with this resulting order:  A, C, D, B.
2584     *
2585     * This flag will be ignored if {@link #FLAG_ACTIVITY_CLEAR_TOP} is also
2586     * specified.
2587     */
2588    public static final int FLAG_ACTIVITY_REORDER_TO_FRONT = 0X00020000;
2589    /**
2590     * If set in an Intent passed to {@link Context#startActivity Context.startActivity()},
2591     * this flag will prevent the system from applying an activity transition
2592     * animation to go to the next activity state.  This doesn't mean an
2593     * animation will never run -- if another activity change happens that doesn't
2594     * specify this flag before the activity started here is displayed, then
2595     * that transition will be used.  This this flag can be put to good use
2596     * when you are going to do a series of activity operations but the
2597     * animation seen by the user shouldn't be driven by the first activity
2598     * change but rather a later one.
2599     */
2600    public static final int FLAG_ACTIVITY_NO_ANIMATION = 0X00010000;
2601    /**
2602     * If set, when sending a broadcast only registered receivers will be
2603     * called -- no BroadcastReceiver components will be launched.
2604     */
2605    public static final int FLAG_RECEIVER_REGISTERED_ONLY = 0x40000000;
2606    /**
2607     * If set, when sending a broadcast the new broadcast will replace
2608     * any existing pending broadcast that matches it.  Matching is defined
2609     * by {@link Intent#filterEquals(Intent) Intent.filterEquals} returning
2610     * true for the intents of the two broadcasts.  When a match is found,
2611     * the new broadcast (and receivers associated with it) will replace the
2612     * existing one in the pending broadcast list, remaining at the same
2613     * position in the list.
2614     *
2615     * <p>This flag is most typically used with sticky broadcasts, which
2616     * only care about delivering the most recent values of the broadcast
2617     * to their receivers.
2618     */
2619    public static final int FLAG_RECEIVER_REPLACE_PENDING = 0x20000000;
2620    /**
2621     * If set, when sending a broadcast <i>before boot has completed</i> only
2622     * registered receivers will be called -- no BroadcastReceiver components
2623     * will be launched.  Sticky intent state will be recorded properly even
2624     * if no receivers wind up being called.  If {@link #FLAG_RECEIVER_REGISTERED_ONLY}
2625     * is specified in the broadcast intent, this flag is unnecessary.
2626     *
2627     * <p>This flag is only for use by system sevices as a convenience to
2628     * avoid having to implement a more complex mechanism around detection
2629     * of boot completion.
2630     *
2631     * @hide
2632     */
2633    public static final int FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT = 0x10000000;
2634    /**
2635     * Set when this broadcast is for a boot upgrade, a special mode that
2636     * allows the broadcast to be sent before the system is ready and launches
2637     * the app process with no providers running in it.
2638     * @hide
2639     */
2640    public static final int FLAG_RECEIVER_BOOT_UPGRADE = 0x08000000;
2641
2642    /**
2643     * @hide Flags that can't be changed with PendingIntent.
2644     */
2645    public static final int IMMUTABLE_FLAGS =
2646            FLAG_GRANT_READ_URI_PERMISSION
2647            | FLAG_GRANT_WRITE_URI_PERMISSION;
2648
2649    // ---------------------------------------------------------------------
2650    // ---------------------------------------------------------------------
2651    // toUri() and parseUri() options.
2652
2653    /**
2654     * Flag for use with {@link #toUri} and {@link #parseUri}: the URI string
2655     * always has the "intent:" scheme.  This syntax can be used when you want
2656     * to later disambiguate between URIs that are intended to describe an
2657     * Intent vs. all others that should be treated as raw URIs.  When used
2658     * with {@link #parseUri}, any other scheme will result in a generic
2659     * VIEW action for that raw URI.
2660     */
2661    public static final int URI_INTENT_SCHEME = 1<<0;
2662
2663    // ---------------------------------------------------------------------
2664
2665    private String mAction;
2666    private Uri mData;
2667    private String mType;
2668    private String mPackage;
2669    private ComponentName mComponent;
2670    private int mFlags;
2671    private HashSet<String> mCategories;
2672    private Bundle mExtras;
2673    private Rect mSourceBounds;
2674
2675    // ---------------------------------------------------------------------
2676
2677    /**
2678     * Create an empty intent.
2679     */
2680    public Intent() {
2681    }
2682
2683    /**
2684     * Copy constructor.
2685     */
2686    public Intent(Intent o) {
2687        this.mAction = o.mAction;
2688        this.mData = o.mData;
2689        this.mType = o.mType;
2690        this.mPackage = o.mPackage;
2691        this.mComponent = o.mComponent;
2692        this.mFlags = o.mFlags;
2693        if (o.mCategories != null) {
2694            this.mCategories = new HashSet<String>(o.mCategories);
2695        }
2696        if (o.mExtras != null) {
2697            this.mExtras = new Bundle(o.mExtras);
2698        }
2699        if (o.mSourceBounds != null) {
2700            this.mSourceBounds = new Rect(o.mSourceBounds);
2701        }
2702    }
2703
2704    @Override
2705    public Object clone() {
2706        return new Intent(this);
2707    }
2708
2709    private Intent(Intent o, boolean all) {
2710        this.mAction = o.mAction;
2711        this.mData = o.mData;
2712        this.mType = o.mType;
2713        this.mPackage = o.mPackage;
2714        this.mComponent = o.mComponent;
2715        if (o.mCategories != null) {
2716            this.mCategories = new HashSet<String>(o.mCategories);
2717        }
2718    }
2719
2720    /**
2721     * Make a clone of only the parts of the Intent that are relevant for
2722     * filter matching: the action, data, type, component, and categories.
2723     */
2724    public Intent cloneFilter() {
2725        return new Intent(this, false);
2726    }
2727
2728    /**
2729     * Create an intent with a given action.  All other fields (data, type,
2730     * class) are null.  Note that the action <em>must</em> be in a
2731     * namespace because Intents are used globally in the system -- for
2732     * example the system VIEW action is android.intent.action.VIEW; an
2733     * application's custom action would be something like
2734     * com.google.app.myapp.CUSTOM_ACTION.
2735     *
2736     * @param action The Intent action, such as ACTION_VIEW.
2737     */
2738    public Intent(String action) {
2739        mAction = action;
2740    }
2741
2742    /**
2743     * Create an intent with a given action and for a given data url.  Note
2744     * that the action <em>must</em> be in a namespace because Intents are
2745     * used globally in the system -- for example the system VIEW action is
2746     * android.intent.action.VIEW; an application's custom action would be
2747     * something like com.google.app.myapp.CUSTOM_ACTION.
2748     *
2749     * <p><em>Note: scheme and host name matching in the Android framework is
2750     * case-sensitive, unlike the formal RFC.  As a result,
2751     * you should always ensure that you write your Uri with these elements
2752     * using lower case letters, and normalize any Uris you receive from
2753     * outside of Android to ensure the scheme and host is lower case.</em></p>
2754     *
2755     * @param action The Intent action, such as ACTION_VIEW.
2756     * @param uri The Intent data URI.
2757     */
2758    public Intent(String action, Uri uri) {
2759        mAction = action;
2760        mData = uri;
2761    }
2762
2763    /**
2764     * Create an intent for a specific component.  All other fields (action, data,
2765     * type, class) are null, though they can be modified later with explicit
2766     * calls.  This provides a convenient way to create an intent that is
2767     * intended to execute a hard-coded class name, rather than relying on the
2768     * system to find an appropriate class for you; see {@link #setComponent}
2769     * for more information on the repercussions of this.
2770     *
2771     * @param packageContext A Context of the application package implementing
2772     * this class.
2773     * @param cls The component class that is to be used for the intent.
2774     *
2775     * @see #setClass
2776     * @see #setComponent
2777     * @see #Intent(String, android.net.Uri , Context, Class)
2778     */
2779    public Intent(Context packageContext, Class<?> cls) {
2780        mComponent = new ComponentName(packageContext, cls);
2781    }
2782
2783    /**
2784     * Create an intent for a specific component with a specified action and data.
2785     * This is equivalent using {@link #Intent(String, android.net.Uri)} to
2786     * construct the Intent and then calling {@link #setClass} to set its
2787     * class.
2788     *
2789     * <p><em>Note: scheme and host name matching in the Android framework is
2790     * case-sensitive, unlike the formal RFC.  As a result,
2791     * you should always ensure that you write your Uri with these elements
2792     * using lower case letters, and normalize any Uris you receive from
2793     * outside of Android to ensure the scheme and host is lower case.</em></p>
2794     *
2795     * @param action The Intent action, such as ACTION_VIEW.
2796     * @param uri The Intent data URI.
2797     * @param packageContext A Context of the application package implementing
2798     * this class.
2799     * @param cls The component class that is to be used for the intent.
2800     *
2801     * @see #Intent(String, android.net.Uri)
2802     * @see #Intent(Context, Class)
2803     * @see #setClass
2804     * @see #setComponent
2805     */
2806    public Intent(String action, Uri uri,
2807            Context packageContext, Class<?> cls) {
2808        mAction = action;
2809        mData = uri;
2810        mComponent = new ComponentName(packageContext, cls);
2811    }
2812
2813    /**
2814     * Call {@link #parseUri} with 0 flags.
2815     * @deprecated Use {@link #parseUri} instead.
2816     */
2817    @Deprecated
2818    public static Intent getIntent(String uri) throws URISyntaxException {
2819        return parseUri(uri, 0);
2820    }
2821
2822    /**
2823     * Create an intent from a URI.  This URI may encode the action,
2824     * category, and other intent fields, if it was returned by
2825     * {@link #toUri}.  If the Intent was not generate by toUri(), its data
2826     * will be the entire URI and its action will be ACTION_VIEW.
2827     *
2828     * <p>The URI given here must not be relative -- that is, it must include
2829     * the scheme and full path.
2830     *
2831     * @param uri The URI to turn into an Intent.
2832     * @param flags Additional processing flags.  Either 0 or
2833     * {@link #URI_INTENT_SCHEME}.
2834     *
2835     * @return Intent The newly created Intent object.
2836     *
2837     * @throws URISyntaxException Throws URISyntaxError if the basic URI syntax
2838     * it bad (as parsed by the Uri class) or the Intent data within the
2839     * URI is invalid.
2840     *
2841     * @see #toUri
2842     */
2843    public static Intent parseUri(String uri, int flags) throws URISyntaxException {
2844        int i = 0;
2845        try {
2846            // Validate intent scheme for if requested.
2847            if ((flags&URI_INTENT_SCHEME) != 0) {
2848                if (!uri.startsWith("intent:")) {
2849                    Intent intent = new Intent(ACTION_VIEW);
2850                    try {
2851                        intent.setData(Uri.parse(uri));
2852                    } catch (IllegalArgumentException e) {
2853                        throw new URISyntaxException(uri, e.getMessage());
2854                    }
2855                    return intent;
2856                }
2857            }
2858
2859            // simple case
2860            i = uri.lastIndexOf("#");
2861            if (i == -1) return new Intent(ACTION_VIEW, Uri.parse(uri));
2862
2863            // old format Intent URI
2864            if (!uri.startsWith("#Intent;", i)) return getIntentOld(uri);
2865
2866            // new format
2867            Intent intent = new Intent(ACTION_VIEW);
2868
2869            // fetch data part, if present
2870            String data = i >= 0 ? uri.substring(0, i) : null;
2871            String scheme = null;
2872            i += "#Intent;".length();
2873
2874            // loop over contents of Intent, all name=value;
2875            while (!uri.startsWith("end", i)) {
2876                int eq = uri.indexOf('=', i);
2877                int semi = uri.indexOf(';', eq);
2878                String value = Uri.decode(uri.substring(eq + 1, semi));
2879
2880                // action
2881                if (uri.startsWith("action=", i)) {
2882                    intent.mAction = value;
2883                }
2884
2885                // categories
2886                else if (uri.startsWith("category=", i)) {
2887                    intent.addCategory(value);
2888                }
2889
2890                // type
2891                else if (uri.startsWith("type=", i)) {
2892                    intent.mType = value;
2893                }
2894
2895                // launch flags
2896                else if (uri.startsWith("launchFlags=", i)) {
2897                    intent.mFlags = Integer.decode(value).intValue();
2898                }
2899
2900                // package
2901                else if (uri.startsWith("package=", i)) {
2902                    intent.mPackage = value;
2903                }
2904
2905                // component
2906                else if (uri.startsWith("component=", i)) {
2907                    intent.mComponent = ComponentName.unflattenFromString(value);
2908                }
2909
2910                // scheme
2911                else if (uri.startsWith("scheme=", i)) {
2912                    scheme = value;
2913                }
2914
2915                // source bounds
2916                else if (uri.startsWith("sourceBounds=", i)) {
2917                    intent.mSourceBounds = Rect.unflattenFromString(value);
2918                }
2919
2920                // extra
2921                else {
2922                    String key = Uri.decode(uri.substring(i + 2, eq));
2923                    // create Bundle if it doesn't already exist
2924                    if (intent.mExtras == null) intent.mExtras = new Bundle();
2925                    Bundle b = intent.mExtras;
2926                    // add EXTRA
2927                    if      (uri.startsWith("S.", i)) b.putString(key, value);
2928                    else if (uri.startsWith("B.", i)) b.putBoolean(key, Boolean.parseBoolean(value));
2929                    else if (uri.startsWith("b.", i)) b.putByte(key, Byte.parseByte(value));
2930                    else if (uri.startsWith("c.", i)) b.putChar(key, value.charAt(0));
2931                    else if (uri.startsWith("d.", i)) b.putDouble(key, Double.parseDouble(value));
2932                    else if (uri.startsWith("f.", i)) b.putFloat(key, Float.parseFloat(value));
2933                    else if (uri.startsWith("i.", i)) b.putInt(key, Integer.parseInt(value));
2934                    else if (uri.startsWith("l.", i)) b.putLong(key, Long.parseLong(value));
2935                    else if (uri.startsWith("s.", i)) b.putShort(key, Short.parseShort(value));
2936                    else throw new URISyntaxException(uri, "unknown EXTRA type", i);
2937                }
2938
2939                // move to the next item
2940                i = semi + 1;
2941            }
2942
2943            if (data != null) {
2944                if (data.startsWith("intent:")) {
2945                    data = data.substring(7);
2946                    if (scheme != null) {
2947                        data = scheme + ':' + data;
2948                    }
2949                }
2950
2951                if (data.length() > 0) {
2952                    try {
2953                        intent.mData = Uri.parse(data);
2954                    } catch (IllegalArgumentException e) {
2955                        throw new URISyntaxException(uri, e.getMessage());
2956                    }
2957                }
2958            }
2959
2960            return intent;
2961
2962        } catch (IndexOutOfBoundsException e) {
2963            throw new URISyntaxException(uri, "illegal Intent URI format", i);
2964        }
2965    }
2966
2967    public static Intent getIntentOld(String uri) throws URISyntaxException {
2968        Intent intent;
2969
2970        int i = uri.lastIndexOf('#');
2971        if (i >= 0) {
2972            String action = null;
2973            final int intentFragmentStart = i;
2974            boolean isIntentFragment = false;
2975
2976            i++;
2977
2978            if (uri.regionMatches(i, "action(", 0, 7)) {
2979                isIntentFragment = true;
2980                i += 7;
2981                int j = uri.indexOf(')', i);
2982                action = uri.substring(i, j);
2983                i = j + 1;
2984            }
2985
2986            intent = new Intent(action);
2987
2988            if (uri.regionMatches(i, "categories(", 0, 11)) {
2989                isIntentFragment = true;
2990                i += 11;
2991                int j = uri.indexOf(')', i);
2992                while (i < j) {
2993                    int sep = uri.indexOf('!', i);
2994                    if (sep < 0) sep = j;
2995                    if (i < sep) {
2996                        intent.addCategory(uri.substring(i, sep));
2997                    }
2998                    i = sep + 1;
2999                }
3000                i = j + 1;
3001            }
3002
3003            if (uri.regionMatches(i, "type(", 0, 5)) {
3004                isIntentFragment = true;
3005                i += 5;
3006                int j = uri.indexOf(')', i);
3007                intent.mType = uri.substring(i, j);
3008                i = j + 1;
3009            }
3010
3011            if (uri.regionMatches(i, "launchFlags(", 0, 12)) {
3012                isIntentFragment = true;
3013                i += 12;
3014                int j = uri.indexOf(')', i);
3015                intent.mFlags = Integer.decode(uri.substring(i, j)).intValue();
3016                i = j + 1;
3017            }
3018
3019            if (uri.regionMatches(i, "component(", 0, 10)) {
3020                isIntentFragment = true;
3021                i += 10;
3022                int j = uri.indexOf(')', i);
3023                int sep = uri.indexOf('!', i);
3024                if (sep >= 0 && sep < j) {
3025                    String pkg = uri.substring(i, sep);
3026                    String cls = uri.substring(sep + 1, j);
3027                    intent.mComponent = new ComponentName(pkg, cls);
3028                }
3029                i = j + 1;
3030            }
3031
3032            if (uri.regionMatches(i, "extras(", 0, 7)) {
3033                isIntentFragment = true;
3034                i += 7;
3035
3036                final int closeParen = uri.indexOf(')', i);
3037                if (closeParen == -1) throw new URISyntaxException(uri,
3038                        "EXTRA missing trailing ')'", i);
3039
3040                while (i < closeParen) {
3041                    // fetch the key value
3042                    int j = uri.indexOf('=', i);
3043                    if (j <= i + 1 || i >= closeParen) {
3044                        throw new URISyntaxException(uri, "EXTRA missing '='", i);
3045                    }
3046                    char type = uri.charAt(i);
3047                    i++;
3048                    String key = uri.substring(i, j);
3049                    i = j + 1;
3050
3051                    // get type-value
3052                    j = uri.indexOf('!', i);
3053                    if (j == -1 || j >= closeParen) j = closeParen;
3054                    if (i >= j) throw new URISyntaxException(uri, "EXTRA missing '!'", i);
3055                    String value = uri.substring(i, j);
3056                    i = j;
3057
3058                    // create Bundle if it doesn't already exist
3059                    if (intent.mExtras == null) intent.mExtras = new Bundle();
3060
3061                    // add item to bundle
3062                    try {
3063                        switch (type) {
3064                            case 'S':
3065                                intent.mExtras.putString(key, Uri.decode(value));
3066                                break;
3067                            case 'B':
3068                                intent.mExtras.putBoolean(key, Boolean.parseBoolean(value));
3069                                break;
3070                            case 'b':
3071                                intent.mExtras.putByte(key, Byte.parseByte(value));
3072                                break;
3073                            case 'c':
3074                                intent.mExtras.putChar(key, Uri.decode(value).charAt(0));
3075                                break;
3076                            case 'd':
3077                                intent.mExtras.putDouble(key, Double.parseDouble(value));
3078                                break;
3079                            case 'f':
3080                                intent.mExtras.putFloat(key, Float.parseFloat(value));
3081                                break;
3082                            case 'i':
3083                                intent.mExtras.putInt(key, Integer.parseInt(value));
3084                                break;
3085                            case 'l':
3086                                intent.mExtras.putLong(key, Long.parseLong(value));
3087                                break;
3088                            case 's':
3089                                intent.mExtras.putShort(key, Short.parseShort(value));
3090                                break;
3091                            default:
3092                                throw new URISyntaxException(uri, "EXTRA has unknown type", i);
3093                        }
3094                    } catch (NumberFormatException e) {
3095                        throw new URISyntaxException(uri, "EXTRA value can't be parsed", i);
3096                    }
3097
3098                    char ch = uri.charAt(i);
3099                    if (ch == ')') break;
3100                    if (ch != '!') throw new URISyntaxException(uri, "EXTRA missing '!'", i);
3101                    i++;
3102                }
3103            }
3104
3105            if (isIntentFragment) {
3106                intent.mData = Uri.parse(uri.substring(0, intentFragmentStart));
3107            } else {
3108                intent.mData = Uri.parse(uri);
3109            }
3110
3111            if (intent.mAction == null) {
3112                // By default, if no action is specified, then use VIEW.
3113                intent.mAction = ACTION_VIEW;
3114            }
3115
3116        } else {
3117            intent = new Intent(ACTION_VIEW, Uri.parse(uri));
3118        }
3119
3120        return intent;
3121    }
3122
3123    /**
3124     * Retrieve the general action to be performed, such as
3125     * {@link #ACTION_VIEW}.  The action describes the general way the rest of
3126     * the information in the intent should be interpreted -- most importantly,
3127     * what to do with the data returned by {@link #getData}.
3128     *
3129     * @return The action of this intent or null if none is specified.
3130     *
3131     * @see #setAction
3132     */
3133    public String getAction() {
3134        return mAction;
3135    }
3136
3137    /**
3138     * Retrieve data this intent is operating on.  This URI specifies the name
3139     * of the data; often it uses the content: scheme, specifying data in a
3140     * content provider.  Other schemes may be handled by specific activities,
3141     * such as http: by the web browser.
3142     *
3143     * @return The URI of the data this intent is targeting or null.
3144     *
3145     * @see #getScheme
3146     * @see #setData
3147     */
3148    public Uri getData() {
3149        return mData;
3150    }
3151
3152    /**
3153     * The same as {@link #getData()}, but returns the URI as an encoded
3154     * String.
3155     */
3156    public String getDataString() {
3157        return mData != null ? mData.toString() : null;
3158    }
3159
3160    /**
3161     * Return the scheme portion of the intent's data.  If the data is null or
3162     * does not include a scheme, null is returned.  Otherwise, the scheme
3163     * prefix without the final ':' is returned, i.e. "http".
3164     *
3165     * <p>This is the same as calling getData().getScheme() (and checking for
3166     * null data).
3167     *
3168     * @return The scheme of this intent.
3169     *
3170     * @see #getData
3171     */
3172    public String getScheme() {
3173        return mData != null ? mData.getScheme() : null;
3174    }
3175
3176    /**
3177     * Retrieve any explicit MIME type included in the intent.  This is usually
3178     * null, as the type is determined by the intent data.
3179     *
3180     * @return If a type was manually set, it is returned; else null is
3181     *         returned.
3182     *
3183     * @see #resolveType(ContentResolver)
3184     * @see #setType
3185     */
3186    public String getType() {
3187        return mType;
3188    }
3189
3190    /**
3191     * Return the MIME data type of this intent.  If the type field is
3192     * explicitly set, that is simply returned.  Otherwise, if the data is set,
3193     * the type of that data is returned.  If neither fields are set, a null is
3194     * returned.
3195     *
3196     * @return The MIME type of this intent.
3197     *
3198     * @see #getType
3199     * @see #resolveType(ContentResolver)
3200     */
3201    public String resolveType(Context context) {
3202        return resolveType(context.getContentResolver());
3203    }
3204
3205    /**
3206     * Return the MIME data type of this intent.  If the type field is
3207     * explicitly set, that is simply returned.  Otherwise, if the data is set,
3208     * the type of that data is returned.  If neither fields are set, a null is
3209     * returned.
3210     *
3211     * @param resolver A ContentResolver that can be used to determine the MIME
3212     *                 type of the intent's data.
3213     *
3214     * @return The MIME type of this intent.
3215     *
3216     * @see #getType
3217     * @see #resolveType(Context)
3218     */
3219    public String resolveType(ContentResolver resolver) {
3220        if (mType != null) {
3221            return mType;
3222        }
3223        if (mData != null) {
3224            if ("content".equals(mData.getScheme())) {
3225                return resolver.getType(mData);
3226            }
3227        }
3228        return null;
3229    }
3230
3231    /**
3232     * Return the MIME data type of this intent, only if it will be needed for
3233     * intent resolution.  This is not generally useful for application code;
3234     * it is used by the frameworks for communicating with back-end system
3235     * services.
3236     *
3237     * @param resolver A ContentResolver that can be used to determine the MIME
3238     *                 type of the intent's data.
3239     *
3240     * @return The MIME type of this intent, or null if it is unknown or not
3241     *         needed.
3242     */
3243    public String resolveTypeIfNeeded(ContentResolver resolver) {
3244        if (mComponent != null) {
3245            return mType;
3246        }
3247        return resolveType(resolver);
3248    }
3249
3250    /**
3251     * Check if an category exists in the intent.
3252     *
3253     * @param category The category to check.
3254     *
3255     * @return boolean True if the intent contains the category, else false.
3256     *
3257     * @see #getCategories
3258     * @see #addCategory
3259     */
3260    public boolean hasCategory(String category) {
3261        return mCategories != null && mCategories.contains(category);
3262    }
3263
3264    /**
3265     * Return the set of all categories in the intent.  If there are no categories,
3266     * returns NULL.
3267     *
3268     * @return Set The set of categories you can examine.  Do not modify!
3269     *
3270     * @see #hasCategory
3271     * @see #addCategory
3272     */
3273    public Set<String> getCategories() {
3274        return mCategories;
3275    }
3276
3277    /**
3278     * Sets the ClassLoader that will be used when unmarshalling
3279     * any Parcelable values from the extras of this Intent.
3280     *
3281     * @param loader a ClassLoader, or null to use the default loader
3282     * at the time of unmarshalling.
3283     */
3284    public void setExtrasClassLoader(ClassLoader loader) {
3285        if (mExtras != null) {
3286            mExtras.setClassLoader(loader);
3287        }
3288    }
3289
3290    /**
3291     * Returns true if an extra value is associated with the given name.
3292     * @param name the extra's name
3293     * @return true if the given extra is present.
3294     */
3295    public boolean hasExtra(String name) {
3296        return mExtras != null && mExtras.containsKey(name);
3297    }
3298
3299    /**
3300     * Returns true if the Intent's extras contain a parcelled file descriptor.
3301     * @return true if the Intent contains a parcelled file descriptor.
3302     */
3303    public boolean hasFileDescriptors() {
3304        return mExtras != null && mExtras.hasFileDescriptors();
3305    }
3306
3307    /**
3308     * Retrieve extended data from the intent.
3309     *
3310     * @param name The name of the desired item.
3311     *
3312     * @return the value of an item that previously added with putExtra()
3313     * or null if none was found.
3314     *
3315     * @deprecated
3316     * @hide
3317     */
3318    @Deprecated
3319    public Object getExtra(String name) {
3320        return getExtra(name, null);
3321    }
3322
3323    /**
3324     * Retrieve extended data from the intent.
3325     *
3326     * @param name The name of the desired item.
3327     * @param defaultValue the value to be returned if no value of the desired
3328     * type is stored with the given name.
3329     *
3330     * @return the value of an item that previously added with putExtra()
3331     * or the default value if none was found.
3332     *
3333     * @see #putExtra(String, boolean)
3334     */
3335    public boolean getBooleanExtra(String name, boolean defaultValue) {
3336        return mExtras == null ? defaultValue :
3337            mExtras.getBoolean(name, defaultValue);
3338    }
3339
3340    /**
3341     * Retrieve extended data from the intent.
3342     *
3343     * @param name The name of the desired item.
3344     * @param defaultValue the value to be returned if no value of the desired
3345     * type is stored with the given name.
3346     *
3347     * @return the value of an item that previously added with putExtra()
3348     * or the default value if none was found.
3349     *
3350     * @see #putExtra(String, byte)
3351     */
3352    public byte getByteExtra(String name, byte defaultValue) {
3353        return mExtras == null ? defaultValue :
3354            mExtras.getByte(name, defaultValue);
3355    }
3356
3357    /**
3358     * Retrieve extended data from the intent.
3359     *
3360     * @param name The name of the desired item.
3361     * @param defaultValue the value to be returned if no value of the desired
3362     * type is stored with the given name.
3363     *
3364     * @return the value of an item that previously added with putExtra()
3365     * or the default value if none was found.
3366     *
3367     * @see #putExtra(String, short)
3368     */
3369    public short getShortExtra(String name, short defaultValue) {
3370        return mExtras == null ? defaultValue :
3371            mExtras.getShort(name, defaultValue);
3372    }
3373
3374    /**
3375     * Retrieve extended data from the intent.
3376     *
3377     * @param name The name of the desired item.
3378     * @param defaultValue the value to be returned if no value of the desired
3379     * type is stored with the given name.
3380     *
3381     * @return the value of an item that previously added with putExtra()
3382     * or the default value if none was found.
3383     *
3384     * @see #putExtra(String, char)
3385     */
3386    public char getCharExtra(String name, char defaultValue) {
3387        return mExtras == null ? defaultValue :
3388            mExtras.getChar(name, defaultValue);
3389    }
3390
3391    /**
3392     * Retrieve extended data from the intent.
3393     *
3394     * @param name The name of the desired item.
3395     * @param defaultValue the value to be returned if no value of the desired
3396     * type is stored with the given name.
3397     *
3398     * @return the value of an item that previously added with putExtra()
3399     * or the default value if none was found.
3400     *
3401     * @see #putExtra(String, int)
3402     */
3403    public int getIntExtra(String name, int defaultValue) {
3404        return mExtras == null ? defaultValue :
3405            mExtras.getInt(name, defaultValue);
3406    }
3407
3408    /**
3409     * Retrieve extended data from the intent.
3410     *
3411     * @param name The name of the desired item.
3412     * @param defaultValue the value to be returned if no value of the desired
3413     * type is stored with the given name.
3414     *
3415     * @return the value of an item that previously added with putExtra()
3416     * or the default value if none was found.
3417     *
3418     * @see #putExtra(String, long)
3419     */
3420    public long getLongExtra(String name, long defaultValue) {
3421        return mExtras == null ? defaultValue :
3422            mExtras.getLong(name, defaultValue);
3423    }
3424
3425    /**
3426     * Retrieve extended data from the intent.
3427     *
3428     * @param name The name of the desired item.
3429     * @param defaultValue the value to be returned if no value of the desired
3430     * type is stored with the given name.
3431     *
3432     * @return the value of an item that previously added with putExtra(),
3433     * or the default value if no such item is present
3434     *
3435     * @see #putExtra(String, float)
3436     */
3437    public float getFloatExtra(String name, float defaultValue) {
3438        return mExtras == null ? defaultValue :
3439            mExtras.getFloat(name, defaultValue);
3440    }
3441
3442    /**
3443     * Retrieve extended data from the intent.
3444     *
3445     * @param name The name of the desired item.
3446     * @param defaultValue the value to be returned if no value of the desired
3447     * type is stored with the given name.
3448     *
3449     * @return the value of an item that previously added with putExtra()
3450     * or the default value if none was found.
3451     *
3452     * @see #putExtra(String, double)
3453     */
3454    public double getDoubleExtra(String name, double defaultValue) {
3455        return mExtras == null ? defaultValue :
3456            mExtras.getDouble(name, defaultValue);
3457    }
3458
3459    /**
3460     * Retrieve extended data from the intent.
3461     *
3462     * @param name The name of the desired item.
3463     *
3464     * @return the value of an item that previously added with putExtra()
3465     * or null if no String value was found.
3466     *
3467     * @see #putExtra(String, String)
3468     */
3469    public String getStringExtra(String name) {
3470        return mExtras == null ? null : mExtras.getString(name);
3471    }
3472
3473    /**
3474     * Retrieve extended data from the intent.
3475     *
3476     * @param name The name of the desired item.
3477     *
3478     * @return the value of an item that previously added with putExtra()
3479     * or null if no CharSequence value was found.
3480     *
3481     * @see #putExtra(String, CharSequence)
3482     */
3483    public CharSequence getCharSequenceExtra(String name) {
3484        return mExtras == null ? null : mExtras.getCharSequence(name);
3485    }
3486
3487    /**
3488     * Retrieve extended data from the intent.
3489     *
3490     * @param name The name of the desired item.
3491     *
3492     * @return the value of an item that previously added with putExtra()
3493     * or null if no Parcelable value was found.
3494     *
3495     * @see #putExtra(String, Parcelable)
3496     */
3497    public <T extends Parcelable> T getParcelableExtra(String name) {
3498        return mExtras == null ? null : mExtras.<T>getParcelable(name);
3499    }
3500
3501    /**
3502     * Retrieve extended data from the intent.
3503     *
3504     * @param name The name of the desired item.
3505     *
3506     * @return the value of an item that previously added with putExtra()
3507     * or null if no Parcelable[] value was found.
3508     *
3509     * @see #putExtra(String, Parcelable[])
3510     */
3511    public Parcelable[] getParcelableArrayExtra(String name) {
3512        return mExtras == null ? null : mExtras.getParcelableArray(name);
3513    }
3514
3515    /**
3516     * Retrieve extended data from the intent.
3517     *
3518     * @param name The name of the desired item.
3519     *
3520     * @return the value of an item that previously added with putExtra()
3521     * or null if no ArrayList<Parcelable> value was found.
3522     *
3523     * @see #putParcelableArrayListExtra(String, ArrayList)
3524     */
3525    public <T extends Parcelable> ArrayList<T> getParcelableArrayListExtra(String name) {
3526        return mExtras == null ? null : mExtras.<T>getParcelableArrayList(name);
3527    }
3528
3529    /**
3530     * Retrieve extended data from the intent.
3531     *
3532     * @param name The name of the desired item.
3533     *
3534     * @return the value of an item that previously added with putExtra()
3535     * or null if no Serializable value was found.
3536     *
3537     * @see #putExtra(String, Serializable)
3538     */
3539    public Serializable getSerializableExtra(String name) {
3540        return mExtras == null ? null : mExtras.getSerializable(name);
3541    }
3542
3543    /**
3544     * Retrieve extended data from the intent.
3545     *
3546     * @param name The name of the desired item.
3547     *
3548     * @return the value of an item that previously added with putExtra()
3549     * or null if no ArrayList<Integer> value was found.
3550     *
3551     * @see #putIntegerArrayListExtra(String, ArrayList)
3552     */
3553    public ArrayList<Integer> getIntegerArrayListExtra(String name) {
3554        return mExtras == null ? null : mExtras.getIntegerArrayList(name);
3555    }
3556
3557    /**
3558     * Retrieve extended data from the intent.
3559     *
3560     * @param name The name of the desired item.
3561     *
3562     * @return the value of an item that previously added with putExtra()
3563     * or null if no ArrayList<String> value was found.
3564     *
3565     * @see #putStringArrayListExtra(String, ArrayList)
3566     */
3567    public ArrayList<String> getStringArrayListExtra(String name) {
3568        return mExtras == null ? null : mExtras.getStringArrayList(name);
3569    }
3570
3571    /**
3572     * Retrieve extended data from the intent.
3573     *
3574     * @param name The name of the desired item.
3575     *
3576     * @return the value of an item that previously added with putExtra()
3577     * or null if no ArrayList<CharSequence> value was found.
3578     *
3579     * @see #putCharSequenceArrayListExtra(String, ArrayList)
3580     */
3581    public ArrayList<CharSequence> getCharSequenceArrayListExtra(String name) {
3582        return mExtras == null ? null : mExtras.getCharSequenceArrayList(name);
3583    }
3584
3585    /**
3586     * Retrieve extended data from the intent.
3587     *
3588     * @param name The name of the desired item.
3589     *
3590     * @return the value of an item that previously added with putExtra()
3591     * or null if no boolean array value was found.
3592     *
3593     * @see #putExtra(String, boolean[])
3594     */
3595    public boolean[] getBooleanArrayExtra(String name) {
3596        return mExtras == null ? null : mExtras.getBooleanArray(name);
3597    }
3598
3599    /**
3600     * Retrieve extended data from the intent.
3601     *
3602     * @param name The name of the desired item.
3603     *
3604     * @return the value of an item that previously added with putExtra()
3605     * or null if no byte array value was found.
3606     *
3607     * @see #putExtra(String, byte[])
3608     */
3609    public byte[] getByteArrayExtra(String name) {
3610        return mExtras == null ? null : mExtras.getByteArray(name);
3611    }
3612
3613    /**
3614     * Retrieve extended data from the intent.
3615     *
3616     * @param name The name of the desired item.
3617     *
3618     * @return the value of an item that previously added with putExtra()
3619     * or null if no short array value was found.
3620     *
3621     * @see #putExtra(String, short[])
3622     */
3623    public short[] getShortArrayExtra(String name) {
3624        return mExtras == null ? null : mExtras.getShortArray(name);
3625    }
3626
3627    /**
3628     * Retrieve extended data from the intent.
3629     *
3630     * @param name The name of the desired item.
3631     *
3632     * @return the value of an item that previously added with putExtra()
3633     * or null if no char array value was found.
3634     *
3635     * @see #putExtra(String, char[])
3636     */
3637    public char[] getCharArrayExtra(String name) {
3638        return mExtras == null ? null : mExtras.getCharArray(name);
3639    }
3640
3641    /**
3642     * Retrieve extended data from the intent.
3643     *
3644     * @param name The name of the desired item.
3645     *
3646     * @return the value of an item that previously added with putExtra()
3647     * or null if no int array value was found.
3648     *
3649     * @see #putExtra(String, int[])
3650     */
3651    public int[] getIntArrayExtra(String name) {
3652        return mExtras == null ? null : mExtras.getIntArray(name);
3653    }
3654
3655    /**
3656     * Retrieve extended data from the intent.
3657     *
3658     * @param name The name of the desired item.
3659     *
3660     * @return the value of an item that previously added with putExtra()
3661     * or null if no long array value was found.
3662     *
3663     * @see #putExtra(String, long[])
3664     */
3665    public long[] getLongArrayExtra(String name) {
3666        return mExtras == null ? null : mExtras.getLongArray(name);
3667    }
3668
3669    /**
3670     * Retrieve extended data from the intent.
3671     *
3672     * @param name The name of the desired item.
3673     *
3674     * @return the value of an item that previously added with putExtra()
3675     * or null if no float array value was found.
3676     *
3677     * @see #putExtra(String, float[])
3678     */
3679    public float[] getFloatArrayExtra(String name) {
3680        return mExtras == null ? null : mExtras.getFloatArray(name);
3681    }
3682
3683    /**
3684     * Retrieve extended data from the intent.
3685     *
3686     * @param name The name of the desired item.
3687     *
3688     * @return the value of an item that previously added with putExtra()
3689     * or null if no double array value was found.
3690     *
3691     * @see #putExtra(String, double[])
3692     */
3693    public double[] getDoubleArrayExtra(String name) {
3694        return mExtras == null ? null : mExtras.getDoubleArray(name);
3695    }
3696
3697    /**
3698     * Retrieve extended data from the intent.
3699     *
3700     * @param name The name of the desired item.
3701     *
3702     * @return the value of an item that previously added with putExtra()
3703     * or null if no String array value was found.
3704     *
3705     * @see #putExtra(String, String[])
3706     */
3707    public String[] getStringArrayExtra(String name) {
3708        return mExtras == null ? null : mExtras.getStringArray(name);
3709    }
3710
3711    /**
3712     * Retrieve extended data from the intent.
3713     *
3714     * @param name The name of the desired item.
3715     *
3716     * @return the value of an item that previously added with putExtra()
3717     * or null if no CharSequence array value was found.
3718     *
3719     * @see #putExtra(String, CharSequence[])
3720     */
3721    public CharSequence[] getCharSequenceArrayExtra(String name) {
3722        return mExtras == null ? null : mExtras.getCharSequenceArray(name);
3723    }
3724
3725    /**
3726     * Retrieve extended data from the intent.
3727     *
3728     * @param name The name of the desired item.
3729     *
3730     * @return the value of an item that previously added with putExtra()
3731     * or null if no Bundle value was found.
3732     *
3733     * @see #putExtra(String, Bundle)
3734     */
3735    public Bundle getBundleExtra(String name) {
3736        return mExtras == null ? null : mExtras.getBundle(name);
3737    }
3738
3739    /**
3740     * Retrieve extended data from the intent.
3741     *
3742     * @param name The name of the desired item.
3743     *
3744     * @return the value of an item that previously added with putExtra()
3745     * or null if no IBinder value was found.
3746     *
3747     * @see #putExtra(String, IBinder)
3748     *
3749     * @deprecated
3750     * @hide
3751     */
3752    @Deprecated
3753    public IBinder getIBinderExtra(String name) {
3754        return mExtras == null ? null : mExtras.getIBinder(name);
3755    }
3756
3757    /**
3758     * Retrieve extended data from the intent.
3759     *
3760     * @param name The name of the desired item.
3761     * @param defaultValue The default value to return in case no item is
3762     * associated with the key 'name'
3763     *
3764     * @return the value of an item that previously added with putExtra()
3765     * or defaultValue if none was found.
3766     *
3767     * @see #putExtra
3768     *
3769     * @deprecated
3770     * @hide
3771     */
3772    @Deprecated
3773    public Object getExtra(String name, Object defaultValue) {
3774        Object result = defaultValue;
3775        if (mExtras != null) {
3776            Object result2 = mExtras.get(name);
3777            if (result2 != null) {
3778                result = result2;
3779            }
3780        }
3781
3782        return result;
3783    }
3784
3785    /**
3786     * Retrieves a map of extended data from the intent.
3787     *
3788     * @return the map of all extras previously added with putExtra(),
3789     * or null if none have been added.
3790     */
3791    public Bundle getExtras() {
3792        return (mExtras != null)
3793                ? new Bundle(mExtras)
3794                : null;
3795    }
3796
3797    /**
3798     * Retrieve any special flags associated with this intent.  You will
3799     * normally just set them with {@link #setFlags} and let the system
3800     * take the appropriate action with them.
3801     *
3802     * @return int The currently set flags.
3803     *
3804     * @see #setFlags
3805     */
3806    public int getFlags() {
3807        return mFlags;
3808    }
3809
3810    /**
3811     * Retrieve the application package name this Intent is limited to.  When
3812     * resolving an Intent, if non-null this limits the resolution to only
3813     * components in the given application package.
3814     *
3815     * @return The name of the application package for the Intent.
3816     *
3817     * @see #resolveActivity
3818     * @see #setPackage
3819     */
3820    public String getPackage() {
3821        return mPackage;
3822    }
3823
3824    /**
3825     * Retrieve the concrete component associated with the intent.  When receiving
3826     * an intent, this is the component that was found to best handle it (that is,
3827     * yourself) and will always be non-null; in all other cases it will be
3828     * null unless explicitly set.
3829     *
3830     * @return The name of the application component to handle the intent.
3831     *
3832     * @see #resolveActivity
3833     * @see #setComponent
3834     */
3835    public ComponentName getComponent() {
3836        return mComponent;
3837    }
3838
3839    /**
3840     * Get the bounds of the sender of this intent, in screen coordinates.  This can be
3841     * used as a hint to the receiver for animations and the like.  Null means that there
3842     * is no source bounds.
3843     */
3844    public Rect getSourceBounds() {
3845        return mSourceBounds;
3846    }
3847
3848    /**
3849     * Return the Activity component that should be used to handle this intent.
3850     * The appropriate component is determined based on the information in the
3851     * intent, evaluated as follows:
3852     *
3853     * <p>If {@link #getComponent} returns an explicit class, that is returned
3854     * without any further consideration.
3855     *
3856     * <p>The activity must handle the {@link Intent#CATEGORY_DEFAULT} Intent
3857     * category to be considered.
3858     *
3859     * <p>If {@link #getAction} is non-NULL, the activity must handle this
3860     * action.
3861     *
3862     * <p>If {@link #resolveType} returns non-NULL, the activity must handle
3863     * this type.
3864     *
3865     * <p>If {@link #addCategory} has added any categories, the activity must
3866     * handle ALL of the categories specified.
3867     *
3868     * <p>If {@link #getPackage} is non-NULL, only activity components in
3869     * that application package will be considered.
3870     *
3871     * <p>If there are no activities that satisfy all of these conditions, a
3872     * null string is returned.
3873     *
3874     * <p>If multiple activities are found to satisfy the intent, the one with
3875     * the highest priority will be used.  If there are multiple activities
3876     * with the same priority, the system will either pick the best activity
3877     * based on user preference, or resolve to a system class that will allow
3878     * the user to pick an activity and forward from there.
3879     *
3880     * <p>This method is implemented simply by calling
3881     * {@link PackageManager#resolveActivity} with the "defaultOnly" parameter
3882     * true.</p>
3883     * <p> This API is called for you as part of starting an activity from an
3884     * intent.  You do not normally need to call it yourself.</p>
3885     *
3886     * @param pm The package manager with which to resolve the Intent.
3887     *
3888     * @return Name of the component implementing an activity that can
3889     *         display the intent.
3890     *
3891     * @see #setComponent
3892     * @see #getComponent
3893     * @see #resolveActivityInfo
3894     */
3895    public ComponentName resolveActivity(PackageManager pm) {
3896        if (mComponent != null) {
3897            return mComponent;
3898        }
3899
3900        ResolveInfo info = pm.resolveActivity(
3901            this, PackageManager.MATCH_DEFAULT_ONLY);
3902        if (info != null) {
3903            return new ComponentName(
3904                    info.activityInfo.applicationInfo.packageName,
3905                    info.activityInfo.name);
3906        }
3907
3908        return null;
3909    }
3910
3911    /**
3912     * Resolve the Intent into an {@link ActivityInfo}
3913     * describing the activity that should execute the intent.  Resolution
3914     * follows the same rules as described for {@link #resolveActivity}, but
3915     * you get back the completely information about the resolved activity
3916     * instead of just its class name.
3917     *
3918     * @param pm The package manager with which to resolve the Intent.
3919     * @param flags Addition information to retrieve as per
3920     * {@link PackageManager#getActivityInfo(ComponentName, int)
3921     * PackageManager.getActivityInfo()}.
3922     *
3923     * @return PackageManager.ActivityInfo
3924     *
3925     * @see #resolveActivity
3926     */
3927    public ActivityInfo resolveActivityInfo(PackageManager pm, int flags) {
3928        ActivityInfo ai = null;
3929        if (mComponent != null) {
3930            try {
3931                ai = pm.getActivityInfo(mComponent, flags);
3932            } catch (PackageManager.NameNotFoundException e) {
3933                // ignore
3934            }
3935        } else {
3936            ResolveInfo info = pm.resolveActivity(
3937                this, PackageManager.MATCH_DEFAULT_ONLY | flags);
3938            if (info != null) {
3939                ai = info.activityInfo;
3940            }
3941        }
3942
3943        return ai;
3944    }
3945
3946    /**
3947     * Set the general action to be performed.
3948     *
3949     * @param action An action name, such as ACTION_VIEW.  Application-specific
3950     *               actions should be prefixed with the vendor's package name.
3951     *
3952     * @return Returns the same Intent object, for chaining multiple calls
3953     * into a single statement.
3954     *
3955     * @see #getAction
3956     */
3957    public Intent setAction(String action) {
3958        mAction = action;
3959        return this;
3960    }
3961
3962    /**
3963     * Set the data this intent is operating on.  This method automatically
3964     * clears any type that was previously set by {@link #setType}.
3965     *
3966     * <p><em>Note: scheme and host name matching in the Android framework is
3967     * case-sensitive, unlike the formal RFC.  As a result,
3968     * you should always ensure that you write your Uri with these elements
3969     * using lower case letters, and normalize any Uris you receive from
3970     * outside of Android to ensure the scheme and host is lower case.</em></p>
3971     *
3972     * @param data The URI of the data this intent is now targeting.
3973     *
3974     * @return Returns the same Intent object, for chaining multiple calls
3975     * into a single statement.
3976     *
3977     * @see #getData
3978     * @see #setType
3979     * @see #setDataAndType
3980     */
3981    public Intent setData(Uri data) {
3982        mData = data;
3983        mType = null;
3984        return this;
3985    }
3986
3987    /**
3988     * Set an explicit MIME data type.  This is used to create intents that
3989     * only specify a type and not data, for example to indicate the type of
3990     * data to return.  This method automatically clears any data that was
3991     * previously set by {@link #setData}.
3992     *
3993     * <p><em>Note: MIME type matching in the Android framework is
3994     * case-sensitive, unlike formal RFC MIME types.  As a result,
3995     * you should always write your MIME types with lower case letters,
3996     * and any MIME types you receive from outside of Android should be
3997     * converted to lower case before supplying them here.</em></p>
3998     *
3999     * @param type The MIME type of the data being handled by this intent.
4000     *
4001     * @return Returns the same Intent object, for chaining multiple calls
4002     * into a single statement.
4003     *
4004     * @see #getType
4005     * @see #setData
4006     * @see #setDataAndType
4007     */
4008    public Intent setType(String type) {
4009        mData = null;
4010        mType = type;
4011        return this;
4012    }
4013
4014    /**
4015     * (Usually optional) Set the data for the intent along with an explicit
4016     * MIME data type.  This method should very rarely be used -- it allows you
4017     * to override the MIME type that would ordinarily be inferred from the
4018     * data with your own type given here.
4019     *
4020     * <p><em>Note: MIME type, Uri scheme, and host name matching in the
4021     * Android framework is case-sensitive, unlike the formal RFC definitions.
4022     * As a result, you should always write these elements with lower case letters,
4023     * and normalize any MIME types or Uris you receive from
4024     * outside of Android to ensure these elements are lower case before
4025     * supplying them here.</em></p>
4026     *
4027     * @param data The URI of the data this intent is now targeting.
4028     * @param type The MIME type of the data being handled by this intent.
4029     *
4030     * @return Returns the same Intent object, for chaining multiple calls
4031     * into a single statement.
4032     *
4033     * @see #setData
4034     * @see #setType
4035     */
4036    public Intent setDataAndType(Uri data, String type) {
4037        mData = data;
4038        mType = type;
4039        return this;
4040    }
4041
4042    /**
4043     * Add a new category to the intent.  Categories provide additional detail
4044     * about the action the intent is perform.  When resolving an intent, only
4045     * activities that provide <em>all</em> of the requested categories will be
4046     * used.
4047     *
4048     * @param category The desired category.  This can be either one of the
4049     *               predefined Intent categories, or a custom category in your own
4050     *               namespace.
4051     *
4052     * @return Returns the same Intent object, for chaining multiple calls
4053     * into a single statement.
4054     *
4055     * @see #hasCategory
4056     * @see #removeCategory
4057     */
4058    public Intent addCategory(String category) {
4059        if (mCategories == null) {
4060            mCategories = new HashSet<String>();
4061        }
4062        mCategories.add(category);
4063        return this;
4064    }
4065
4066    /**
4067     * Remove an category from an intent.
4068     *
4069     * @param category The category to remove.
4070     *
4071     * @see #addCategory
4072     */
4073    public void removeCategory(String category) {
4074        if (mCategories != null) {
4075            mCategories.remove(category);
4076            if (mCategories.size() == 0) {
4077                mCategories = null;
4078            }
4079        }
4080    }
4081
4082    /**
4083     * Add extended data to the intent.  The name must include a package
4084     * prefix, for example the app com.android.contacts would use names
4085     * like "com.android.contacts.ShowAll".
4086     *
4087     * @param name The name of the extra data, with package prefix.
4088     * @param value The boolean data value.
4089     *
4090     * @return Returns the same Intent object, for chaining multiple calls
4091     * into a single statement.
4092     *
4093     * @see #putExtras
4094     * @see #removeExtra
4095     * @see #getBooleanExtra(String, boolean)
4096     */
4097    public Intent putExtra(String name, boolean value) {
4098        if (mExtras == null) {
4099            mExtras = new Bundle();
4100        }
4101        mExtras.putBoolean(name, value);
4102        return this;
4103    }
4104
4105    /**
4106     * Add extended data to the intent.  The name must include a package
4107     * prefix, for example the app com.android.contacts would use names
4108     * like "com.android.contacts.ShowAll".
4109     *
4110     * @param name The name of the extra data, with package prefix.
4111     * @param value The byte data value.
4112     *
4113     * @return Returns the same Intent object, for chaining multiple calls
4114     * into a single statement.
4115     *
4116     * @see #putExtras
4117     * @see #removeExtra
4118     * @see #getByteExtra(String, byte)
4119     */
4120    public Intent putExtra(String name, byte value) {
4121        if (mExtras == null) {
4122            mExtras = new Bundle();
4123        }
4124        mExtras.putByte(name, value);
4125        return this;
4126    }
4127
4128    /**
4129     * Add extended data to the intent.  The name must include a package
4130     * prefix, for example the app com.android.contacts would use names
4131     * like "com.android.contacts.ShowAll".
4132     *
4133     * @param name The name of the extra data, with package prefix.
4134     * @param value The char data value.
4135     *
4136     * @return Returns the same Intent object, for chaining multiple calls
4137     * into a single statement.
4138     *
4139     * @see #putExtras
4140     * @see #removeExtra
4141     * @see #getCharExtra(String, char)
4142     */
4143    public Intent putExtra(String name, char value) {
4144        if (mExtras == null) {
4145            mExtras = new Bundle();
4146        }
4147        mExtras.putChar(name, value);
4148        return this;
4149    }
4150
4151    /**
4152     * Add extended data to the intent.  The name must include a package
4153     * prefix, for example the app com.android.contacts would use names
4154     * like "com.android.contacts.ShowAll".
4155     *
4156     * @param name The name of the extra data, with package prefix.
4157     * @param value The short data value.
4158     *
4159     * @return Returns the same Intent object, for chaining multiple calls
4160     * into a single statement.
4161     *
4162     * @see #putExtras
4163     * @see #removeExtra
4164     * @see #getShortExtra(String, short)
4165     */
4166    public Intent putExtra(String name, short value) {
4167        if (mExtras == null) {
4168            mExtras = new Bundle();
4169        }
4170        mExtras.putShort(name, value);
4171        return this;
4172    }
4173
4174    /**
4175     * Add extended data to the intent.  The name must include a package
4176     * prefix, for example the app com.android.contacts would use names
4177     * like "com.android.contacts.ShowAll".
4178     *
4179     * @param name The name of the extra data, with package prefix.
4180     * @param value The integer data value.
4181     *
4182     * @return Returns the same Intent object, for chaining multiple calls
4183     * into a single statement.
4184     *
4185     * @see #putExtras
4186     * @see #removeExtra
4187     * @see #getIntExtra(String, int)
4188     */
4189    public Intent putExtra(String name, int value) {
4190        if (mExtras == null) {
4191            mExtras = new Bundle();
4192        }
4193        mExtras.putInt(name, value);
4194        return this;
4195    }
4196
4197    /**
4198     * Add extended data to the intent.  The name must include a package
4199     * prefix, for example the app com.android.contacts would use names
4200     * like "com.android.contacts.ShowAll".
4201     *
4202     * @param name The name of the extra data, with package prefix.
4203     * @param value The long data value.
4204     *
4205     * @return Returns the same Intent object, for chaining multiple calls
4206     * into a single statement.
4207     *
4208     * @see #putExtras
4209     * @see #removeExtra
4210     * @see #getLongExtra(String, long)
4211     */
4212    public Intent putExtra(String name, long value) {
4213        if (mExtras == null) {
4214            mExtras = new Bundle();
4215        }
4216        mExtras.putLong(name, value);
4217        return this;
4218    }
4219
4220    /**
4221     * Add extended data to the intent.  The name must include a package
4222     * prefix, for example the app com.android.contacts would use names
4223     * like "com.android.contacts.ShowAll".
4224     *
4225     * @param name The name of the extra data, with package prefix.
4226     * @param value The float data value.
4227     *
4228     * @return Returns the same Intent object, for chaining multiple calls
4229     * into a single statement.
4230     *
4231     * @see #putExtras
4232     * @see #removeExtra
4233     * @see #getFloatExtra(String, float)
4234     */
4235    public Intent putExtra(String name, float value) {
4236        if (mExtras == null) {
4237            mExtras = new Bundle();
4238        }
4239        mExtras.putFloat(name, value);
4240        return this;
4241    }
4242
4243    /**
4244     * Add extended data to the intent.  The name must include a package
4245     * prefix, for example the app com.android.contacts would use names
4246     * like "com.android.contacts.ShowAll".
4247     *
4248     * @param name The name of the extra data, with package prefix.
4249     * @param value The double data value.
4250     *
4251     * @return Returns the same Intent object, for chaining multiple calls
4252     * into a single statement.
4253     *
4254     * @see #putExtras
4255     * @see #removeExtra
4256     * @see #getDoubleExtra(String, double)
4257     */
4258    public Intent putExtra(String name, double value) {
4259        if (mExtras == null) {
4260            mExtras = new Bundle();
4261        }
4262        mExtras.putDouble(name, value);
4263        return this;
4264    }
4265
4266    /**
4267     * Add extended data to the intent.  The name must include a package
4268     * prefix, for example the app com.android.contacts would use names
4269     * like "com.android.contacts.ShowAll".
4270     *
4271     * @param name The name of the extra data, with package prefix.
4272     * @param value The String data value.
4273     *
4274     * @return Returns the same Intent object, for chaining multiple calls
4275     * into a single statement.
4276     *
4277     * @see #putExtras
4278     * @see #removeExtra
4279     * @see #getStringExtra(String)
4280     */
4281    public Intent putExtra(String name, String value) {
4282        if (mExtras == null) {
4283            mExtras = new Bundle();
4284        }
4285        mExtras.putString(name, value);
4286        return this;
4287    }
4288
4289    /**
4290     * Add extended data to the intent.  The name must include a package
4291     * prefix, for example the app com.android.contacts would use names
4292     * like "com.android.contacts.ShowAll".
4293     *
4294     * @param name The name of the extra data, with package prefix.
4295     * @param value The CharSequence data value.
4296     *
4297     * @return Returns the same Intent object, for chaining multiple calls
4298     * into a single statement.
4299     *
4300     * @see #putExtras
4301     * @see #removeExtra
4302     * @see #getCharSequenceExtra(String)
4303     */
4304    public Intent putExtra(String name, CharSequence value) {
4305        if (mExtras == null) {
4306            mExtras = new Bundle();
4307        }
4308        mExtras.putCharSequence(name, value);
4309        return this;
4310    }
4311
4312    /**
4313     * Add extended data to the intent.  The name must include a package
4314     * prefix, for example the app com.android.contacts would use names
4315     * like "com.android.contacts.ShowAll".
4316     *
4317     * @param name The name of the extra data, with package prefix.
4318     * @param value The Parcelable data value.
4319     *
4320     * @return Returns the same Intent object, for chaining multiple calls
4321     * into a single statement.
4322     *
4323     * @see #putExtras
4324     * @see #removeExtra
4325     * @see #getParcelableExtra(String)
4326     */
4327    public Intent putExtra(String name, Parcelable value) {
4328        if (mExtras == null) {
4329            mExtras = new Bundle();
4330        }
4331        mExtras.putParcelable(name, value);
4332        return this;
4333    }
4334
4335    /**
4336     * Add extended data to the intent.  The name must include a package
4337     * prefix, for example the app com.android.contacts would use names
4338     * like "com.android.contacts.ShowAll".
4339     *
4340     * @param name The name of the extra data, with package prefix.
4341     * @param value The Parcelable[] data value.
4342     *
4343     * @return Returns the same Intent object, for chaining multiple calls
4344     * into a single statement.
4345     *
4346     * @see #putExtras
4347     * @see #removeExtra
4348     * @see #getParcelableArrayExtra(String)
4349     */
4350    public Intent putExtra(String name, Parcelable[] value) {
4351        if (mExtras == null) {
4352            mExtras = new Bundle();
4353        }
4354        mExtras.putParcelableArray(name, value);
4355        return this;
4356    }
4357
4358    /**
4359     * Add extended data to the intent.  The name must include a package
4360     * prefix, for example the app com.android.contacts would use names
4361     * like "com.android.contacts.ShowAll".
4362     *
4363     * @param name The name of the extra data, with package prefix.
4364     * @param value The ArrayList<Parcelable> data value.
4365     *
4366     * @return Returns the same Intent object, for chaining multiple calls
4367     * into a single statement.
4368     *
4369     * @see #putExtras
4370     * @see #removeExtra
4371     * @see #getParcelableArrayListExtra(String)
4372     */
4373    public Intent putParcelableArrayListExtra(String name, ArrayList<? extends Parcelable> value) {
4374        if (mExtras == null) {
4375            mExtras = new Bundle();
4376        }
4377        mExtras.putParcelableArrayList(name, value);
4378        return this;
4379    }
4380
4381    /**
4382     * Add extended data to the intent.  The name must include a package
4383     * prefix, for example the app com.android.contacts would use names
4384     * like "com.android.contacts.ShowAll".
4385     *
4386     * @param name The name of the extra data, with package prefix.
4387     * @param value The ArrayList<Integer> data value.
4388     *
4389     * @return Returns the same Intent object, for chaining multiple calls
4390     * into a single statement.
4391     *
4392     * @see #putExtras
4393     * @see #removeExtra
4394     * @see #getIntegerArrayListExtra(String)
4395     */
4396    public Intent putIntegerArrayListExtra(String name, ArrayList<Integer> value) {
4397        if (mExtras == null) {
4398            mExtras = new Bundle();
4399        }
4400        mExtras.putIntegerArrayList(name, value);
4401        return this;
4402    }
4403
4404    /**
4405     * Add extended data to the intent.  The name must include a package
4406     * prefix, for example the app com.android.contacts would use names
4407     * like "com.android.contacts.ShowAll".
4408     *
4409     * @param name The name of the extra data, with package prefix.
4410     * @param value The ArrayList<String> data value.
4411     *
4412     * @return Returns the same Intent object, for chaining multiple calls
4413     * into a single statement.
4414     *
4415     * @see #putExtras
4416     * @see #removeExtra
4417     * @see #getStringArrayListExtra(String)
4418     */
4419    public Intent putStringArrayListExtra(String name, ArrayList<String> value) {
4420        if (mExtras == null) {
4421            mExtras = new Bundle();
4422        }
4423        mExtras.putStringArrayList(name, value);
4424        return this;
4425    }
4426
4427    /**
4428     * Add extended data to the intent.  The name must include a package
4429     * prefix, for example the app com.android.contacts would use names
4430     * like "com.android.contacts.ShowAll".
4431     *
4432     * @param name The name of the extra data, with package prefix.
4433     * @param value The ArrayList<CharSequence> data value.
4434     *
4435     * @return Returns the same Intent object, for chaining multiple calls
4436     * into a single statement.
4437     *
4438     * @see #putExtras
4439     * @see #removeExtra
4440     * @see #getCharSequenceArrayListExtra(String)
4441     */
4442    public Intent putCharSequenceArrayListExtra(String name, ArrayList<CharSequence> value) {
4443        if (mExtras == null) {
4444            mExtras = new Bundle();
4445        }
4446        mExtras.putCharSequenceArrayList(name, value);
4447        return this;
4448    }
4449
4450    /**
4451     * Add extended data to the intent.  The name must include a package
4452     * prefix, for example the app com.android.contacts would use names
4453     * like "com.android.contacts.ShowAll".
4454     *
4455     * @param name The name of the extra data, with package prefix.
4456     * @param value The Serializable data value.
4457     *
4458     * @return Returns the same Intent object, for chaining multiple calls
4459     * into a single statement.
4460     *
4461     * @see #putExtras
4462     * @see #removeExtra
4463     * @see #getSerializableExtra(String)
4464     */
4465    public Intent putExtra(String name, Serializable value) {
4466        if (mExtras == null) {
4467            mExtras = new Bundle();
4468        }
4469        mExtras.putSerializable(name, value);
4470        return this;
4471    }
4472
4473    /**
4474     * Add extended data to the intent.  The name must include a package
4475     * prefix, for example the app com.android.contacts would use names
4476     * like "com.android.contacts.ShowAll".
4477     *
4478     * @param name The name of the extra data, with package prefix.
4479     * @param value The boolean array data value.
4480     *
4481     * @return Returns the same Intent object, for chaining multiple calls
4482     * into a single statement.
4483     *
4484     * @see #putExtras
4485     * @see #removeExtra
4486     * @see #getBooleanArrayExtra(String)
4487     */
4488    public Intent putExtra(String name, boolean[] value) {
4489        if (mExtras == null) {
4490            mExtras = new Bundle();
4491        }
4492        mExtras.putBooleanArray(name, value);
4493        return this;
4494    }
4495
4496    /**
4497     * Add extended data to the intent.  The name must include a package
4498     * prefix, for example the app com.android.contacts would use names
4499     * like "com.android.contacts.ShowAll".
4500     *
4501     * @param name The name of the extra data, with package prefix.
4502     * @param value The byte array data value.
4503     *
4504     * @return Returns the same Intent object, for chaining multiple calls
4505     * into a single statement.
4506     *
4507     * @see #putExtras
4508     * @see #removeExtra
4509     * @see #getByteArrayExtra(String)
4510     */
4511    public Intent putExtra(String name, byte[] value) {
4512        if (mExtras == null) {
4513            mExtras = new Bundle();
4514        }
4515        mExtras.putByteArray(name, value);
4516        return this;
4517    }
4518
4519    /**
4520     * Add extended data to the intent.  The name must include a package
4521     * prefix, for example the app com.android.contacts would use names
4522     * like "com.android.contacts.ShowAll".
4523     *
4524     * @param name The name of the extra data, with package prefix.
4525     * @param value The short array data value.
4526     *
4527     * @return Returns the same Intent object, for chaining multiple calls
4528     * into a single statement.
4529     *
4530     * @see #putExtras
4531     * @see #removeExtra
4532     * @see #getShortArrayExtra(String)
4533     */
4534    public Intent putExtra(String name, short[] value) {
4535        if (mExtras == null) {
4536            mExtras = new Bundle();
4537        }
4538        mExtras.putShortArray(name, value);
4539        return this;
4540    }
4541
4542    /**
4543     * Add extended data to the intent.  The name must include a package
4544     * prefix, for example the app com.android.contacts would use names
4545     * like "com.android.contacts.ShowAll".
4546     *
4547     * @param name The name of the extra data, with package prefix.
4548     * @param value The char array data value.
4549     *
4550     * @return Returns the same Intent object, for chaining multiple calls
4551     * into a single statement.
4552     *
4553     * @see #putExtras
4554     * @see #removeExtra
4555     * @see #getCharArrayExtra(String)
4556     */
4557    public Intent putExtra(String name, char[] value) {
4558        if (mExtras == null) {
4559            mExtras = new Bundle();
4560        }
4561        mExtras.putCharArray(name, value);
4562        return this;
4563    }
4564
4565    /**
4566     * Add extended data to the intent.  The name must include a package
4567     * prefix, for example the app com.android.contacts would use names
4568     * like "com.android.contacts.ShowAll".
4569     *
4570     * @param name The name of the extra data, with package prefix.
4571     * @param value The int array data value.
4572     *
4573     * @return Returns the same Intent object, for chaining multiple calls
4574     * into a single statement.
4575     *
4576     * @see #putExtras
4577     * @see #removeExtra
4578     * @see #getIntArrayExtra(String)
4579     */
4580    public Intent putExtra(String name, int[] value) {
4581        if (mExtras == null) {
4582            mExtras = new Bundle();
4583        }
4584        mExtras.putIntArray(name, value);
4585        return this;
4586    }
4587
4588    /**
4589     * Add extended data to the intent.  The name must include a package
4590     * prefix, for example the app com.android.contacts would use names
4591     * like "com.android.contacts.ShowAll".
4592     *
4593     * @param name The name of the extra data, with package prefix.
4594     * @param value The byte array data value.
4595     *
4596     * @return Returns the same Intent object, for chaining multiple calls
4597     * into a single statement.
4598     *
4599     * @see #putExtras
4600     * @see #removeExtra
4601     * @see #getLongArrayExtra(String)
4602     */
4603    public Intent putExtra(String name, long[] value) {
4604        if (mExtras == null) {
4605            mExtras = new Bundle();
4606        }
4607        mExtras.putLongArray(name, value);
4608        return this;
4609    }
4610
4611    /**
4612     * Add extended data to the intent.  The name must include a package
4613     * prefix, for example the app com.android.contacts would use names
4614     * like "com.android.contacts.ShowAll".
4615     *
4616     * @param name The name of the extra data, with package prefix.
4617     * @param value The float array data value.
4618     *
4619     * @return Returns the same Intent object, for chaining multiple calls
4620     * into a single statement.
4621     *
4622     * @see #putExtras
4623     * @see #removeExtra
4624     * @see #getFloatArrayExtra(String)
4625     */
4626    public Intent putExtra(String name, float[] value) {
4627        if (mExtras == null) {
4628            mExtras = new Bundle();
4629        }
4630        mExtras.putFloatArray(name, value);
4631        return this;
4632    }
4633
4634    /**
4635     * Add extended data to the intent.  The name must include a package
4636     * prefix, for example the app com.android.contacts would use names
4637     * like "com.android.contacts.ShowAll".
4638     *
4639     * @param name The name of the extra data, with package prefix.
4640     * @param value The double array data value.
4641     *
4642     * @return Returns the same Intent object, for chaining multiple calls
4643     * into a single statement.
4644     *
4645     * @see #putExtras
4646     * @see #removeExtra
4647     * @see #getDoubleArrayExtra(String)
4648     */
4649    public Intent putExtra(String name, double[] value) {
4650        if (mExtras == null) {
4651            mExtras = new Bundle();
4652        }
4653        mExtras.putDoubleArray(name, value);
4654        return this;
4655    }
4656
4657    /**
4658     * Add extended data to the intent.  The name must include a package
4659     * prefix, for example the app com.android.contacts would use names
4660     * like "com.android.contacts.ShowAll".
4661     *
4662     * @param name The name of the extra data, with package prefix.
4663     * @param value The String array data value.
4664     *
4665     * @return Returns the same Intent object, for chaining multiple calls
4666     * into a single statement.
4667     *
4668     * @see #putExtras
4669     * @see #removeExtra
4670     * @see #getStringArrayExtra(String)
4671     */
4672    public Intent putExtra(String name, String[] value) {
4673        if (mExtras == null) {
4674            mExtras = new Bundle();
4675        }
4676        mExtras.putStringArray(name, value);
4677        return this;
4678    }
4679
4680    /**
4681     * Add extended data to the intent.  The name must include a package
4682     * prefix, for example the app com.android.contacts would use names
4683     * like "com.android.contacts.ShowAll".
4684     *
4685     * @param name The name of the extra data, with package prefix.
4686     * @param value The CharSequence array data value.
4687     *
4688     * @return Returns the same Intent object, for chaining multiple calls
4689     * into a single statement.
4690     *
4691     * @see #putExtras
4692     * @see #removeExtra
4693     * @see #getCharSequenceArrayExtra(String)
4694     */
4695    public Intent putExtra(String name, CharSequence[] value) {
4696        if (mExtras == null) {
4697            mExtras = new Bundle();
4698        }
4699        mExtras.putCharSequenceArray(name, value);
4700        return this;
4701    }
4702
4703    /**
4704     * Add extended data to the intent.  The name must include a package
4705     * prefix, for example the app com.android.contacts would use names
4706     * like "com.android.contacts.ShowAll".
4707     *
4708     * @param name The name of the extra data, with package prefix.
4709     * @param value The Bundle data value.
4710     *
4711     * @return Returns the same Intent object, for chaining multiple calls
4712     * into a single statement.
4713     *
4714     * @see #putExtras
4715     * @see #removeExtra
4716     * @see #getBundleExtra(String)
4717     */
4718    public Intent putExtra(String name, Bundle value) {
4719        if (mExtras == null) {
4720            mExtras = new Bundle();
4721        }
4722        mExtras.putBundle(name, value);
4723        return this;
4724    }
4725
4726    /**
4727     * Add extended data to the intent.  The name must include a package
4728     * prefix, for example the app com.android.contacts would use names
4729     * like "com.android.contacts.ShowAll".
4730     *
4731     * @param name The name of the extra data, with package prefix.
4732     * @param value The IBinder data value.
4733     *
4734     * @return Returns the same Intent object, for chaining multiple calls
4735     * into a single statement.
4736     *
4737     * @see #putExtras
4738     * @see #removeExtra
4739     * @see #getIBinderExtra(String)
4740     *
4741     * @deprecated
4742     * @hide
4743     */
4744    @Deprecated
4745    public Intent putExtra(String name, IBinder value) {
4746        if (mExtras == null) {
4747            mExtras = new Bundle();
4748        }
4749        mExtras.putIBinder(name, value);
4750        return this;
4751    }
4752
4753    /**
4754     * Copy all extras in 'src' in to this intent.
4755     *
4756     * @param src Contains the extras to copy.
4757     *
4758     * @see #putExtra
4759     */
4760    public Intent putExtras(Intent src) {
4761        if (src.mExtras != null) {
4762            if (mExtras == null) {
4763                mExtras = new Bundle(src.mExtras);
4764            } else {
4765                mExtras.putAll(src.mExtras);
4766            }
4767        }
4768        return this;
4769    }
4770
4771    /**
4772     * Add a set of extended data to the intent.  The keys must include a package
4773     * prefix, for example the app com.android.contacts would use names
4774     * like "com.android.contacts.ShowAll".
4775     *
4776     * @param extras The Bundle of extras to add to this intent.
4777     *
4778     * @see #putExtra
4779     * @see #removeExtra
4780     */
4781    public Intent putExtras(Bundle extras) {
4782        if (mExtras == null) {
4783            mExtras = new Bundle();
4784        }
4785        mExtras.putAll(extras);
4786        return this;
4787    }
4788
4789    /**
4790     * Completely replace the extras in the Intent with the extras in the
4791     * given Intent.
4792     *
4793     * @param src The exact extras contained in this Intent are copied
4794     * into the target intent, replacing any that were previously there.
4795     */
4796    public Intent replaceExtras(Intent src) {
4797        mExtras = src.mExtras != null ? new Bundle(src.mExtras) : null;
4798        return this;
4799    }
4800
4801    /**
4802     * Completely replace the extras in the Intent with the given Bundle of
4803     * extras.
4804     *
4805     * @param extras The new set of extras in the Intent, or null to erase
4806     * all extras.
4807     */
4808    public Intent replaceExtras(Bundle extras) {
4809        mExtras = extras != null ? new Bundle(extras) : null;
4810        return this;
4811    }
4812
4813    /**
4814     * Remove extended data from the intent.
4815     *
4816     * @see #putExtra
4817     */
4818    public void removeExtra(String name) {
4819        if (mExtras != null) {
4820            mExtras.remove(name);
4821            if (mExtras.size() == 0) {
4822                mExtras = null;
4823            }
4824        }
4825    }
4826
4827    /**
4828     * Set special flags controlling how this intent is handled.  Most values
4829     * here depend on the type of component being executed by the Intent,
4830     * specifically the FLAG_ACTIVITY_* flags are all for use with
4831     * {@link Context#startActivity Context.startActivity()} and the
4832     * FLAG_RECEIVER_* flags are all for use with
4833     * {@link Context#sendBroadcast(Intent) Context.sendBroadcast()}.
4834     *
4835     * <p>See the <a href="{@docRoot}guide/topics/fundamentals.html#acttask">Application Fundamentals:
4836     * Activities and Tasks</a> documentation for important information on how some of these options impact
4837     * the behavior of your application.
4838     *
4839     * @param flags The desired flags.
4840     *
4841     * @return Returns the same Intent object, for chaining multiple calls
4842     * into a single statement.
4843     *
4844     * @see #getFlags
4845     * @see #addFlags
4846     *
4847     * @see #FLAG_GRANT_READ_URI_PERMISSION
4848     * @see #FLAG_GRANT_WRITE_URI_PERMISSION
4849     * @see #FLAG_DEBUG_LOG_RESOLUTION
4850     * @see #FLAG_FROM_BACKGROUND
4851     * @see #FLAG_ACTIVITY_BROUGHT_TO_FRONT
4852     * @see #FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET
4853     * @see #FLAG_ACTIVITY_CLEAR_TOP
4854     * @see #FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
4855     * @see #FLAG_ACTIVITY_FORWARD_RESULT
4856     * @see #FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY
4857     * @see #FLAG_ACTIVITY_MULTIPLE_TASK
4858     * @see #FLAG_ACTIVITY_NEW_TASK
4859     * @see #FLAG_ACTIVITY_NO_HISTORY
4860     * @see #FLAG_ACTIVITY_NO_USER_ACTION
4861     * @see #FLAG_ACTIVITY_PREVIOUS_IS_TOP
4862     * @see #FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
4863     * @see #FLAG_ACTIVITY_SINGLE_TOP
4864     * @see #FLAG_RECEIVER_REGISTERED_ONLY
4865     */
4866    public Intent setFlags(int flags) {
4867        mFlags = flags;
4868        return this;
4869    }
4870
4871    /**
4872     * Add additional flags to the intent (or with existing flags
4873     * value).
4874     *
4875     * @param flags The new flags to set.
4876     *
4877     * @return Returns the same Intent object, for chaining multiple calls
4878     * into a single statement.
4879     *
4880     * @see #setFlags
4881     */
4882    public Intent addFlags(int flags) {
4883        mFlags |= flags;
4884        return this;
4885    }
4886
4887    /**
4888     * (Usually optional) Set an explicit application package name that limits
4889     * the components this Intent will resolve to.  If left to the default
4890     * value of null, all components in all applications will considered.
4891     * If non-null, the Intent can only match the components in the given
4892     * application package.
4893     *
4894     * @param packageName The name of the application package to handle the
4895     * intent, or null to allow any application package.
4896     *
4897     * @return Returns the same Intent object, for chaining multiple calls
4898     * into a single statement.
4899     *
4900     * @see #getPackage
4901     * @see #resolveActivity
4902     */
4903    public Intent setPackage(String packageName) {
4904        mPackage = packageName;
4905        return this;
4906    }
4907
4908    /**
4909     * (Usually optional) Explicitly set the component to handle the intent.
4910     * If left with the default value of null, the system will determine the
4911     * appropriate class to use based on the other fields (action, data,
4912     * type, categories) in the Intent.  If this class is defined, the
4913     * specified class will always be used regardless of the other fields.  You
4914     * should only set this value when you know you absolutely want a specific
4915     * class to be used; otherwise it is better to let the system find the
4916     * appropriate class so that you will respect the installed applications
4917     * and user preferences.
4918     *
4919     * @param component The name of the application component to handle the
4920     * intent, or null to let the system find one for you.
4921     *
4922     * @return Returns the same Intent object, for chaining multiple calls
4923     * into a single statement.
4924     *
4925     * @see #setClass
4926     * @see #setClassName(Context, String)
4927     * @see #setClassName(String, String)
4928     * @see #getComponent
4929     * @see #resolveActivity
4930     */
4931    public Intent setComponent(ComponentName component) {
4932        mComponent = component;
4933        return this;
4934    }
4935
4936    /**
4937     * Convenience for calling {@link #setComponent} with an
4938     * explicit class name.
4939     *
4940     * @param packageContext A Context of the application package implementing
4941     * this class.
4942     * @param className The name of a class inside of the application package
4943     * that will be used as the component for this Intent.
4944     *
4945     * @return Returns the same Intent object, for chaining multiple calls
4946     * into a single statement.
4947     *
4948     * @see #setComponent
4949     * @see #setClass
4950     */
4951    public Intent setClassName(Context packageContext, String className) {
4952        mComponent = new ComponentName(packageContext, className);
4953        return this;
4954    }
4955
4956    /**
4957     * Convenience for calling {@link #setComponent} with an
4958     * explicit application package name and class name.
4959     *
4960     * @param packageName The name of the package implementing the desired
4961     * component.
4962     * @param className The name of a class inside of the application package
4963     * that will be used as the component for this Intent.
4964     *
4965     * @return Returns the same Intent object, for chaining multiple calls
4966     * into a single statement.
4967     *
4968     * @see #setComponent
4969     * @see #setClass
4970     */
4971    public Intent setClassName(String packageName, String className) {
4972        mComponent = new ComponentName(packageName, className);
4973        return this;
4974    }
4975
4976    /**
4977     * Convenience for calling {@link #setComponent(ComponentName)} with the
4978     * name returned by a {@link Class} object.
4979     *
4980     * @param packageContext A Context of the application package implementing
4981     * this class.
4982     * @param cls The class name to set, equivalent to
4983     *            <code>setClassName(context, cls.getName())</code>.
4984     *
4985     * @return Returns the same Intent object, for chaining multiple calls
4986     * into a single statement.
4987     *
4988     * @see #setComponent
4989     */
4990    public Intent setClass(Context packageContext, Class<?> cls) {
4991        mComponent = new ComponentName(packageContext, cls);
4992        return this;
4993    }
4994
4995    /**
4996     * Set the bounds of the sender of this intent, in screen coordinates.  This can be
4997     * used as a hint to the receiver for animations and the like.  Null means that there
4998     * is no source bounds.
4999     */
5000    public void setSourceBounds(Rect r) {
5001        if (r != null) {
5002            mSourceBounds = new Rect(r);
5003        } else {
5004            r = null;
5005        }
5006    }
5007
5008    /**
5009     * Use with {@link #fillIn} to allow the current action value to be
5010     * overwritten, even if it is already set.
5011     */
5012    public static final int FILL_IN_ACTION = 1<<0;
5013
5014    /**
5015     * Use with {@link #fillIn} to allow the current data or type value
5016     * overwritten, even if it is already set.
5017     */
5018    public static final int FILL_IN_DATA = 1<<1;
5019
5020    /**
5021     * Use with {@link #fillIn} to allow the current categories to be
5022     * overwritten, even if they are already set.
5023     */
5024    public static final int FILL_IN_CATEGORIES = 1<<2;
5025
5026    /**
5027     * Use with {@link #fillIn} to allow the current component value to be
5028     * overwritten, even if it is already set.
5029     */
5030    public static final int FILL_IN_COMPONENT = 1<<3;
5031
5032    /**
5033     * Use with {@link #fillIn} to allow the current package value to be
5034     * overwritten, even if it is already set.
5035     */
5036    public static final int FILL_IN_PACKAGE = 1<<4;
5037
5038    /**
5039     * Use with {@link #fillIn} to allow the current package value to be
5040     * overwritten, even if it is already set.
5041     */
5042    public static final int FILL_IN_SOURCE_BOUNDS = 1<<5;
5043
5044    /**
5045     * Copy the contents of <var>other</var> in to this object, but only
5046     * where fields are not defined by this object.  For purposes of a field
5047     * being defined, the following pieces of data in the Intent are
5048     * considered to be separate fields:
5049     *
5050     * <ul>
5051     * <li> action, as set by {@link #setAction}.
5052     * <li> data URI and MIME type, as set by {@link #setData(Uri)},
5053     * {@link #setType(String)}, or {@link #setDataAndType(Uri, String)}.
5054     * <li> categories, as set by {@link #addCategory}.
5055     * <li> package, as set by {@link #setPackage}.
5056     * <li> component, as set by {@link #setComponent(ComponentName)} or
5057     * related methods.
5058     * <li> source bounds, as set by {@link #setSourceBounds}
5059     * <li> each top-level name in the associated extras.
5060     * </ul>
5061     *
5062     * <p>In addition, you can use the {@link #FILL_IN_ACTION},
5063     * {@link #FILL_IN_DATA}, {@link #FILL_IN_CATEGORIES}, {@link #FILL_IN_PACKAGE},
5064     * and {@link #FILL_IN_COMPONENT} to override the restriction where the
5065     * corresponding field will not be replaced if it is already set.
5066     *
5067     * <p>Note: The component field will only be copied if {@link #FILL_IN_COMPONENT} is explicitly
5068     * specified.
5069     *
5070     * <p>For example, consider Intent A with {data="foo", categories="bar"}
5071     * and Intent B with {action="gotit", data-type="some/thing",
5072     * categories="one","two"}.
5073     *
5074     * <p>Calling A.fillIn(B, Intent.FILL_IN_DATA) will result in A now
5075     * containing: {action="gotit", data-type="some/thing",
5076     * categories="bar"}.
5077     *
5078     * @param other Another Intent whose values are to be used to fill in
5079     * the current one.
5080     * @param flags Options to control which fields can be filled in.
5081     *
5082     * @return Returns a bit mask of {@link #FILL_IN_ACTION},
5083     * {@link #FILL_IN_DATA}, {@link #FILL_IN_CATEGORIES}, {@link #FILL_IN_PACKAGE},
5084     * and {@link #FILL_IN_COMPONENT} indicating which fields were changed.
5085     */
5086    public int fillIn(Intent other, int flags) {
5087        int changes = 0;
5088        if (other.mAction != null
5089                && (mAction == null || (flags&FILL_IN_ACTION) != 0)) {
5090            mAction = other.mAction;
5091            changes |= FILL_IN_ACTION;
5092        }
5093        if ((other.mData != null || other.mType != null)
5094                && ((mData == null && mType == null)
5095                        || (flags&FILL_IN_DATA) != 0)) {
5096            mData = other.mData;
5097            mType = other.mType;
5098            changes |= FILL_IN_DATA;
5099        }
5100        if (other.mCategories != null
5101                && (mCategories == null || (flags&FILL_IN_CATEGORIES) != 0)) {
5102            if (other.mCategories != null) {
5103                mCategories = new HashSet<String>(other.mCategories);
5104            }
5105            changes |= FILL_IN_CATEGORIES;
5106        }
5107        if (other.mPackage != null
5108                && (mPackage == null || (flags&FILL_IN_PACKAGE) != 0)) {
5109            mPackage = other.mPackage;
5110            changes |= FILL_IN_PACKAGE;
5111        }
5112        // Component is special: it can -only- be set if explicitly allowed,
5113        // since otherwise the sender could force the intent somewhere the
5114        // originator didn't intend.
5115        if (other.mComponent != null && (flags&FILL_IN_COMPONENT) != 0) {
5116            mComponent = other.mComponent;
5117            changes |= FILL_IN_COMPONENT;
5118        }
5119        mFlags |= other.mFlags;
5120        if (other.mSourceBounds != null
5121                && (mSourceBounds == null || (flags&FILL_IN_SOURCE_BOUNDS) != 0)) {
5122            mSourceBounds = new Rect(other.mSourceBounds);
5123            changes |= FILL_IN_SOURCE_BOUNDS;
5124        }
5125        if (mExtras == null) {
5126            if (other.mExtras != null) {
5127                mExtras = new Bundle(other.mExtras);
5128            }
5129        } else if (other.mExtras != null) {
5130            try {
5131                Bundle newb = new Bundle(other.mExtras);
5132                newb.putAll(mExtras);
5133                mExtras = newb;
5134            } catch (RuntimeException e) {
5135                // Modifying the extras can cause us to unparcel the contents
5136                // of the bundle, and if we do this in the system process that
5137                // may fail.  We really should handle this (i.e., the Bundle
5138                // impl shouldn't be on top of a plain map), but for now just
5139                // ignore it and keep the original contents. :(
5140                Log.w("Intent", "Failure filling in extras", e);
5141            }
5142        }
5143        return changes;
5144    }
5145
5146    /**
5147     * Wrapper class holding an Intent and implementing comparisons on it for
5148     * the purpose of filtering.  The class implements its
5149     * {@link #equals equals()} and {@link #hashCode hashCode()} methods as
5150     * simple calls to {@link Intent#filterEquals(Intent)}  filterEquals()} and
5151     * {@link android.content.Intent#filterHashCode()}  filterHashCode()}
5152     * on the wrapped Intent.
5153     */
5154    public static final class FilterComparison {
5155        private final Intent mIntent;
5156        private final int mHashCode;
5157
5158        public FilterComparison(Intent intent) {
5159            mIntent = intent;
5160            mHashCode = intent.filterHashCode();
5161        }
5162
5163        /**
5164         * Return the Intent that this FilterComparison represents.
5165         * @return Returns the Intent held by the FilterComparison.  Do
5166         * not modify!
5167         */
5168        public Intent getIntent() {
5169            return mIntent;
5170        }
5171
5172        @Override
5173        public boolean equals(Object obj) {
5174            if (obj instanceof FilterComparison) {
5175                Intent other = ((FilterComparison)obj).mIntent;
5176                return mIntent.filterEquals(other);
5177            }
5178            return false;
5179        }
5180
5181        @Override
5182        public int hashCode() {
5183            return mHashCode;
5184        }
5185    }
5186
5187    /**
5188     * Determine if two intents are the same for the purposes of intent
5189     * resolution (filtering). That is, if their action, data, type,
5190     * class, and categories are the same.  This does <em>not</em> compare
5191     * any extra data included in the intents.
5192     *
5193     * @param other The other Intent to compare against.
5194     *
5195     * @return Returns true if action, data, type, class, and categories
5196     *         are the same.
5197     */
5198    public boolean filterEquals(Intent other) {
5199        if (other == null) {
5200            return false;
5201        }
5202        if (mAction != other.mAction) {
5203            if (mAction != null) {
5204                if (!mAction.equals(other.mAction)) {
5205                    return false;
5206                }
5207            } else {
5208                if (!other.mAction.equals(mAction)) {
5209                    return false;
5210                }
5211            }
5212        }
5213        if (mData != other.mData) {
5214            if (mData != null) {
5215                if (!mData.equals(other.mData)) {
5216                    return false;
5217                }
5218            } else {
5219                if (!other.mData.equals(mData)) {
5220                    return false;
5221                }
5222            }
5223        }
5224        if (mType != other.mType) {
5225            if (mType != null) {
5226                if (!mType.equals(other.mType)) {
5227                    return false;
5228                }
5229            } else {
5230                if (!other.mType.equals(mType)) {
5231                    return false;
5232                }
5233            }
5234        }
5235        if (mPackage != other.mPackage) {
5236            if (mPackage != null) {
5237                if (!mPackage.equals(other.mPackage)) {
5238                    return false;
5239                }
5240            } else {
5241                if (!other.mPackage.equals(mPackage)) {
5242                    return false;
5243                }
5244            }
5245        }
5246        if (mComponent != other.mComponent) {
5247            if (mComponent != null) {
5248                if (!mComponent.equals(other.mComponent)) {
5249                    return false;
5250                }
5251            } else {
5252                if (!other.mComponent.equals(mComponent)) {
5253                    return false;
5254                }
5255            }
5256        }
5257        if (mCategories != other.mCategories) {
5258            if (mCategories != null) {
5259                if (!mCategories.equals(other.mCategories)) {
5260                    return false;
5261                }
5262            } else {
5263                if (!other.mCategories.equals(mCategories)) {
5264                    return false;
5265                }
5266            }
5267        }
5268
5269        return true;
5270    }
5271
5272    /**
5273     * Generate hash code that matches semantics of filterEquals().
5274     *
5275     * @return Returns the hash value of the action, data, type, class, and
5276     *         categories.
5277     *
5278     * @see #filterEquals
5279     */
5280    public int filterHashCode() {
5281        int code = 0;
5282        if (mAction != null) {
5283            code += mAction.hashCode();
5284        }
5285        if (mData != null) {
5286            code += mData.hashCode();
5287        }
5288        if (mType != null) {
5289            code += mType.hashCode();
5290        }
5291        if (mPackage != null) {
5292            code += mPackage.hashCode();
5293        }
5294        if (mComponent != null) {
5295            code += mComponent.hashCode();
5296        }
5297        if (mCategories != null) {
5298            code += mCategories.hashCode();
5299        }
5300        return code;
5301    }
5302
5303    @Override
5304    public String toString() {
5305        StringBuilder   b = new StringBuilder(128);
5306
5307        b.append("Intent { ");
5308        toShortString(b, true, true);
5309        b.append(" }");
5310
5311        return b.toString();
5312    }
5313
5314    /** @hide */
5315    public String toShortString(boolean comp, boolean extras) {
5316        StringBuilder   b = new StringBuilder(128);
5317        toShortString(b, comp, extras);
5318        return b.toString();
5319    }
5320
5321    /** @hide */
5322    public void toShortString(StringBuilder b, boolean comp, boolean extras) {
5323        boolean first = true;
5324        if (mAction != null) {
5325            b.append("act=").append(mAction);
5326            first = false;
5327        }
5328        if (mCategories != null) {
5329            if (!first) {
5330                b.append(' ');
5331            }
5332            first = false;
5333            b.append("cat=[");
5334            Iterator<String> i = mCategories.iterator();
5335            boolean didone = false;
5336            while (i.hasNext()) {
5337                if (didone) b.append(",");
5338                didone = true;
5339                b.append(i.next());
5340            }
5341            b.append("]");
5342        }
5343        if (mData != null) {
5344            if (!first) {
5345                b.append(' ');
5346            }
5347            first = false;
5348            b.append("dat=");
5349            String scheme = mData.getScheme();
5350            if (scheme != null) {
5351                if (scheme.equalsIgnoreCase("tel")) {
5352                    b.append("tel:xxx-xxx-xxxx");
5353                } else if (scheme.equalsIgnoreCase("smsto")) {
5354                    b.append("smsto:xxx-xxx-xxxx");
5355                } else {
5356                    b.append(mData);
5357                }
5358            } else {
5359                b.append(mData);
5360            }
5361        }
5362        if (mType != null) {
5363            if (!first) {
5364                b.append(' ');
5365            }
5366            first = false;
5367            b.append("typ=").append(mType);
5368        }
5369        if (mFlags != 0) {
5370            if (!first) {
5371                b.append(' ');
5372            }
5373            first = false;
5374            b.append("flg=0x").append(Integer.toHexString(mFlags));
5375        }
5376        if (mPackage != null) {
5377            if (!first) {
5378                b.append(' ');
5379            }
5380            first = false;
5381            b.append("pkg=").append(mPackage);
5382        }
5383        if (comp && mComponent != null) {
5384            if (!first) {
5385                b.append(' ');
5386            }
5387            first = false;
5388            b.append("cmp=").append(mComponent.flattenToShortString());
5389        }
5390        if (mSourceBounds != null) {
5391            if (!first) {
5392                b.append(' ');
5393            }
5394            first = false;
5395            b.append("bnds=").append(mSourceBounds.toShortString());
5396        }
5397        if (extras && mExtras != null) {
5398            if (!first) {
5399                b.append(' ');
5400            }
5401            first = false;
5402            b.append("(has extras)");
5403        }
5404    }
5405
5406    /**
5407     * Call {@link #toUri} with 0 flags.
5408     * @deprecated Use {@link #toUri} instead.
5409     */
5410    @Deprecated
5411    public String toURI() {
5412        return toUri(0);
5413    }
5414
5415    /**
5416     * Convert this Intent into a String holding a URI representation of it.
5417     * The returned URI string has been properly URI encoded, so it can be
5418     * used with {@link Uri#parse Uri.parse(String)}.  The URI contains the
5419     * Intent's data as the base URI, with an additional fragment describing
5420     * the action, categories, type, flags, package, component, and extras.
5421     *
5422     * <p>You can convert the returned string back to an Intent with
5423     * {@link #getIntent}.
5424     *
5425     * @param flags Additional operating flags.  Either 0 or
5426     * {@link #URI_INTENT_SCHEME}.
5427     *
5428     * @return Returns a URI encoding URI string describing the entire contents
5429     * of the Intent.
5430     */
5431    public String toUri(int flags) {
5432        StringBuilder uri = new StringBuilder(128);
5433        String scheme = null;
5434        if (mData != null) {
5435            String data = mData.toString();
5436            if ((flags&URI_INTENT_SCHEME) != 0) {
5437                final int N = data.length();
5438                for (int i=0; i<N; i++) {
5439                    char c = data.charAt(i);
5440                    if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')
5441                            || c == '.' || c == '-') {
5442                        continue;
5443                    }
5444                    if (c == ':' && i > 0) {
5445                        // Valid scheme.
5446                        scheme = data.substring(0, i);
5447                        uri.append("intent:");
5448                        data = data.substring(i+1);
5449                        break;
5450                    }
5451
5452                    // No scheme.
5453                    break;
5454                }
5455            }
5456            uri.append(data);
5457
5458        } else if ((flags&URI_INTENT_SCHEME) != 0) {
5459            uri.append("intent:");
5460        }
5461
5462        uri.append("#Intent;");
5463
5464        if (scheme != null) {
5465            uri.append("scheme=").append(scheme).append(';');
5466        }
5467        if (mAction != null) {
5468            uri.append("action=").append(Uri.encode(mAction)).append(';');
5469        }
5470        if (mCategories != null) {
5471            for (String category : mCategories) {
5472                uri.append("category=").append(Uri.encode(category)).append(';');
5473            }
5474        }
5475        if (mType != null) {
5476            uri.append("type=").append(Uri.encode(mType, "/")).append(';');
5477        }
5478        if (mFlags != 0) {
5479            uri.append("launchFlags=0x").append(Integer.toHexString(mFlags)).append(';');
5480        }
5481        if (mPackage != null) {
5482            uri.append("package=").append(Uri.encode(mPackage)).append(';');
5483        }
5484        if (mComponent != null) {
5485            uri.append("component=").append(Uri.encode(
5486                    mComponent.flattenToShortString(), "/")).append(';');
5487        }
5488        if (mSourceBounds != null) {
5489            uri.append("sourceBounds=")
5490                    .append(Uri.encode(mSourceBounds.flattenToString()))
5491                    .append(';');
5492        }
5493        if (mExtras != null) {
5494            for (String key : mExtras.keySet()) {
5495                final Object value = mExtras.get(key);
5496                char entryType =
5497                        value instanceof String    ? 'S' :
5498                        value instanceof Boolean   ? 'B' :
5499                        value instanceof Byte      ? 'b' :
5500                        value instanceof Character ? 'c' :
5501                        value instanceof Double    ? 'd' :
5502                        value instanceof Float     ? 'f' :
5503                        value instanceof Integer   ? 'i' :
5504                        value instanceof Long      ? 'l' :
5505                        value instanceof Short     ? 's' :
5506                        '\0';
5507
5508                if (entryType != '\0') {
5509                    uri.append(entryType);
5510                    uri.append('.');
5511                    uri.append(Uri.encode(key));
5512                    uri.append('=');
5513                    uri.append(Uri.encode(value.toString()));
5514                    uri.append(';');
5515                }
5516            }
5517        }
5518
5519        uri.append("end");
5520
5521        return uri.toString();
5522    }
5523
5524    public int describeContents() {
5525        return (mExtras != null) ? mExtras.describeContents() : 0;
5526    }
5527
5528    public void writeToParcel(Parcel out, int flags) {
5529        out.writeString(mAction);
5530        Uri.writeToParcel(out, mData);
5531        out.writeString(mType);
5532        out.writeInt(mFlags);
5533        out.writeString(mPackage);
5534        ComponentName.writeToParcel(mComponent, out);
5535
5536        if (mSourceBounds != null) {
5537            out.writeInt(1);
5538            mSourceBounds.writeToParcel(out, flags);
5539        } else {
5540            out.writeInt(0);
5541        }
5542
5543        if (mCategories != null) {
5544            out.writeInt(mCategories.size());
5545            for (String category : mCategories) {
5546                out.writeString(category);
5547            }
5548        } else {
5549            out.writeInt(0);
5550        }
5551
5552        out.writeBundle(mExtras);
5553    }
5554
5555    public static final Parcelable.Creator<Intent> CREATOR
5556            = new Parcelable.Creator<Intent>() {
5557        public Intent createFromParcel(Parcel in) {
5558            return new Intent(in);
5559        }
5560        public Intent[] newArray(int size) {
5561            return new Intent[size];
5562        }
5563    };
5564
5565    /** @hide */
5566    protected Intent(Parcel in) {
5567        readFromParcel(in);
5568    }
5569
5570    public void readFromParcel(Parcel in) {
5571        mAction = in.readString();
5572        mData = Uri.CREATOR.createFromParcel(in);
5573        mType = in.readString();
5574        mFlags = in.readInt();
5575        mPackage = in.readString();
5576        mComponent = ComponentName.readFromParcel(in);
5577
5578        if (in.readInt() != 0) {
5579            mSourceBounds = Rect.CREATOR.createFromParcel(in);
5580        }
5581
5582        int N = in.readInt();
5583        if (N > 0) {
5584            mCategories = new HashSet<String>();
5585            int i;
5586            for (i=0; i<N; i++) {
5587                mCategories.add(in.readString());
5588            }
5589        } else {
5590            mCategories = null;
5591        }
5592
5593        mExtras = in.readBundle();
5594    }
5595
5596    /**
5597     * Parses the "intent" element (and its children) from XML and instantiates
5598     * an Intent object.  The given XML parser should be located at the tag
5599     * where parsing should start (often named "intent"), from which the
5600     * basic action, data, type, and package and class name will be
5601     * retrieved.  The function will then parse in to any child elements,
5602     * looking for <category android:name="xxx"> tags to add categories and
5603     * <extra android:name="xxx" android:value="yyy"> to attach extra data
5604     * to the intent.
5605     *
5606     * @param resources The Resources to use when inflating resources.
5607     * @param parser The XML parser pointing at an "intent" tag.
5608     * @param attrs The AttributeSet interface for retrieving extended
5609     * attribute data at the current <var>parser</var> location.
5610     * @return An Intent object matching the XML data.
5611     * @throws XmlPullParserException If there was an XML parsing error.
5612     * @throws IOException If there was an I/O error.
5613     */
5614    public static Intent parseIntent(Resources resources, XmlPullParser parser, AttributeSet attrs)
5615            throws XmlPullParserException, IOException {
5616        Intent intent = new Intent();
5617
5618        TypedArray sa = resources.obtainAttributes(attrs,
5619                com.android.internal.R.styleable.Intent);
5620
5621        intent.setAction(sa.getString(com.android.internal.R.styleable.Intent_action));
5622
5623        String data = sa.getString(com.android.internal.R.styleable.Intent_data);
5624        String mimeType = sa.getString(com.android.internal.R.styleable.Intent_mimeType);
5625        intent.setDataAndType(data != null ? Uri.parse(data) : null, mimeType);
5626
5627        String packageName = sa.getString(com.android.internal.R.styleable.Intent_targetPackage);
5628        String className = sa.getString(com.android.internal.R.styleable.Intent_targetClass);
5629        if (packageName != null && className != null) {
5630            intent.setComponent(new ComponentName(packageName, className));
5631        }
5632
5633        sa.recycle();
5634
5635        int outerDepth = parser.getDepth();
5636        int type;
5637        while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
5638               && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
5639            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
5640                continue;
5641            }
5642
5643            String nodeName = parser.getName();
5644            if (nodeName.equals("category")) {
5645                sa = resources.obtainAttributes(attrs,
5646                        com.android.internal.R.styleable.IntentCategory);
5647                String cat = sa.getString(com.android.internal.R.styleable.IntentCategory_name);
5648                sa.recycle();
5649
5650                if (cat != null) {
5651                    intent.addCategory(cat);
5652                }
5653                XmlUtils.skipCurrentTag(parser);
5654
5655            } else if (nodeName.equals("extra")) {
5656                if (intent.mExtras == null) {
5657                    intent.mExtras = new Bundle();
5658                }
5659                resources.parseBundleExtra("extra", attrs, intent.mExtras);
5660                XmlUtils.skipCurrentTag(parser);
5661
5662            } else {
5663                XmlUtils.skipCurrentTag(parser);
5664            }
5665        }
5666
5667        return intent;
5668    }
5669}
5670