Intent.java revision f64588a2ce6a0e4e76d7d48c47f82785553b13f3
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.Locale;
47import java.util.Set;
48
49/**
50 * An intent is an abstract description of an operation to be performed.  It
51 * can be used with {@link Context#startActivity(Intent) startActivity} to
52 * launch an {@link android.app.Activity},
53 * {@link android.content.Context#sendBroadcast(Intent) broadcastIntent} to
54 * send it to any interested {@link BroadcastReceiver BroadcastReceiver} components,
55 * and {@link android.content.Context#startService} or
56 * {@link android.content.Context#bindService} to communicate with a
57 * background {@link android.app.Service}.
58 *
59 * <p>An Intent provides a facility for performing late runtime binding between the code in
60 * different applications. Its most significant use is in the launching of activities, where it
61 * can be thought of as the glue between activities. It is basically a passive data structure
62 * holding an abstract description of an action to be performed.</p>
63 *
64 * <div class="special reference">
65 * <h3>Developer Guides</h3>
66 * <p>For information about how to create and resolve intents, read the
67 * <a href="{@docRoot}guide/topics/intents/intents-filters.html">Intents and Intent Filters</a>
68 * developer guide.</p>
69 * </div>
70 *
71 * <a name="IntentStructure"></a>
72 * <h3>Intent Structure</h3>
73 * <p>The primary pieces of information in an intent are:</p>
74 *
75 * <ul>
76 *   <li> <p><b>action</b> -- The general action to be performed, such as
77 *     {@link #ACTION_VIEW}, {@link #ACTION_EDIT}, {@link #ACTION_MAIN},
78 *     etc.</p>
79 *   </li>
80 *   <li> <p><b>data</b> -- The data to operate on, such as a person record
81 *     in the contacts database, expressed as a {@link android.net.Uri}.</p>
82 *   </li>
83 * </ul>
84 *
85 *
86 * <p>Some examples of action/data pairs are:</p>
87 *
88 * <ul>
89 *   <li> <p><b>{@link #ACTION_VIEW} <i>content://contacts/people/1</i></b> -- Display
90 *     information about the person whose identifier is "1".</p>
91 *   </li>
92 *   <li> <p><b>{@link #ACTION_DIAL} <i>content://contacts/people/1</i></b> -- Display
93 *     the phone dialer with the person filled in.</p>
94 *   </li>
95 *   <li> <p><b>{@link #ACTION_VIEW} <i>tel:123</i></b> -- Display
96 *     the phone dialer with the given number filled in.  Note how the
97 *     VIEW action does what what is considered the most reasonable thing for
98 *     a particular URI.</p>
99 *   </li>
100 *   <li> <p><b>{@link #ACTION_DIAL} <i>tel:123</i></b> -- Display
101 *     the phone dialer with the given number filled in.</p>
102 *   </li>
103 *   <li> <p><b>{@link #ACTION_EDIT} <i>content://contacts/people/1</i></b> -- Edit
104 *     information about the person whose identifier is "1".</p>
105 *   </li>
106 *   <li> <p><b>{@link #ACTION_VIEW} <i>content://contacts/people/</i></b> -- Display
107 *     a list of people, which the user can browse through.  This example is a
108 *     typical top-level entry into the Contacts application, showing you the
109 *     list of people. Selecting a particular person to view would result in a
110 *     new intent { <b>{@link #ACTION_VIEW} <i>content://contacts/N</i></b> }
111 *     being used to start an activity to display that person.</p>
112 *   </li>
113 * </ul>
114 *
115 * <p>In addition to these primary attributes, there are a number of secondary
116 * attributes that you can also include with an intent:</p>
117 *
118 * <ul>
119 *     <li> <p><b>category</b> -- Gives additional information about the action
120 *         to execute.  For example, {@link #CATEGORY_LAUNCHER} means it should
121 *         appear in the Launcher as a top-level application, while
122 *         {@link #CATEGORY_ALTERNATIVE} means it should be included in a list
123 *         of alternative actions the user can perform on a piece of data.</p>
124 *     <li> <p><b>type</b> -- Specifies an explicit type (a MIME type) of the
125 *         intent data.  Normally the type is inferred from the data itself.
126 *         By setting this attribute, you disable that evaluation and force
127 *         an explicit type.</p>
128 *     <li> <p><b>component</b> -- Specifies an explicit name of a component
129 *         class to use for the intent.  Normally this is determined by looking
130 *         at the other information in the intent (the action, data/type, and
131 *         categories) and matching that with a component that can handle it.
132 *         If this attribute is set then none of the evaluation is performed,
133 *         and this component is used exactly as is.  By specifying this attribute,
134 *         all of the other Intent attributes become optional.</p>
135 *     <li> <p><b>extras</b> -- This is a {@link Bundle} of any additional information.
136 *         This can be used to provide extended information to the component.
137 *         For example, if we have a action to send an e-mail message, we could
138 *         also include extra pieces of data here to supply a subject, body,
139 *         etc.</p>
140 * </ul>
141 *
142 * <p>Here are some examples of other operations you can specify as intents
143 * using these additional parameters:</p>
144 *
145 * <ul>
146 *   <li> <p><b>{@link #ACTION_MAIN} with category {@link #CATEGORY_HOME}</b> --
147 *     Launch the home screen.</p>
148 *   </li>
149 *   <li> <p><b>{@link #ACTION_GET_CONTENT} with MIME type
150 *     <i>{@link android.provider.Contacts.Phones#CONTENT_URI
151 *     vnd.android.cursor.item/phone}</i></b>
152 *     -- Display the list of people's phone numbers, allowing the user to
153 *     browse through them and pick one and return it to the parent activity.</p>
154 *   </li>
155 *   <li> <p><b>{@link #ACTION_GET_CONTENT} with MIME type
156 *     <i>*{@literal /}*</i> and category {@link #CATEGORY_OPENABLE}</b>
157 *     -- Display all pickers for data that can be opened with
158 *     {@link ContentResolver#openInputStream(Uri) ContentResolver.openInputStream()},
159 *     allowing the user to pick one of them and then some data inside of it
160 *     and returning the resulting URI to the caller.  This can be used,
161 *     for example, in an e-mail application to allow the user to pick some
162 *     data to include as an attachment.</p>
163 *   </li>
164 * </ul>
165 *
166 * <p>There are a variety of standard Intent action and category constants
167 * defined in the Intent class, but applications can also define their own.
168 * These strings use java style scoping, to ensure they are unique -- for
169 * example, the standard {@link #ACTION_VIEW} is called
170 * "android.intent.action.VIEW".</p>
171 *
172 * <p>Put together, the set of actions, data types, categories, and extra data
173 * defines a language for the system allowing for the expression of phrases
174 * such as "call john smith's cell".  As applications are added to the system,
175 * they can extend this language by adding new actions, types, and categories, or
176 * they can modify the behavior of existing phrases by supplying their own
177 * activities that handle them.</p>
178 *
179 * <a name="IntentResolution"></a>
180 * <h3>Intent Resolution</h3>
181 *
182 * <p>There are two primary forms of intents you will use.
183 *
184 * <ul>
185 *     <li> <p><b>Explicit Intents</b> have specified a component (via
186 *     {@link #setComponent} or {@link #setClass}), which provides the exact
187 *     class to be run.  Often these will not include any other information,
188 *     simply being a way for an application to launch various internal
189 *     activities it has as the user interacts with the application.
190 *
191 *     <li> <p><b>Implicit Intents</b> have not specified a component;
192 *     instead, they must include enough information for the system to
193 *     determine which of the available components is best to run for that
194 *     intent.
195 * </ul>
196 *
197 * <p>When using implicit intents, given such an arbitrary intent we need to
198 * know what to do with it. This is handled by the process of <em>Intent
199 * resolution</em>, which maps an Intent to an {@link android.app.Activity},
200 * {@link BroadcastReceiver}, or {@link android.app.Service} (or sometimes two or
201 * more activities/receivers) that can handle it.</p>
202 *
203 * <p>The intent resolution mechanism basically revolves around matching an
204 * Intent against all of the &lt;intent-filter&gt; descriptions in the
205 * installed application packages.  (Plus, in the case of broadcasts, any {@link BroadcastReceiver}
206 * objects explicitly registered with {@link Context#registerReceiver}.)  More
207 * details on this can be found in the documentation on the {@link
208 * IntentFilter} class.</p>
209 *
210 * <p>There are three pieces of information in the Intent that are used for
211 * resolution: the action, type, and category.  Using this information, a query
212 * is done on the {@link PackageManager} for a component that can handle the
213 * intent. The appropriate component is determined based on the intent
214 * information supplied in the <code>AndroidManifest.xml</code> file as
215 * follows:</p>
216 *
217 * <ul>
218 *     <li> <p>The <b>action</b>, if given, must be listed by the component as
219 *         one it handles.</p>
220 *     <li> <p>The <b>type</b> is retrieved from the Intent's data, if not
221 *         already supplied in the Intent.  Like the action, if a type is
222 *         included in the intent (either explicitly or implicitly in its
223 *         data), then this must be listed by the component as one it handles.</p>
224 *     <li> For data that is not a <code>content:</code> URI and where no explicit
225 *         type is included in the Intent, instead the <b>scheme</b> of the
226 *         intent data (such as <code>http:</code> or <code>mailto:</code>) is
227 *         considered. Again like the action, if we are matching a scheme it
228 *         must be listed by the component as one it can handle.
229 *     <li> <p>The <b>categories</b>, if supplied, must <em>all</em> be listed
230 *         by the activity as categories it handles.  That is, if you include
231 *         the categories {@link #CATEGORY_LAUNCHER} and
232 *         {@link #CATEGORY_ALTERNATIVE}, then you will only resolve to components
233 *         with an intent that lists <em>both</em> of those categories.
234 *         Activities will very often need to support the
235 *         {@link #CATEGORY_DEFAULT} so that they can be found by
236 *         {@link Context#startActivity Context.startActivity()}.</p>
237 * </ul>
238 *
239 * <p>For example, consider the Note Pad sample application that
240 * allows user to browse through a list of notes data and view details about
241 * individual items.  Text in italics indicate places were you would replace a
242 * name with one specific to your own package.</p>
243 *
244 * <pre> &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
245 *       package="<i>com.android.notepad</i>"&gt;
246 *     &lt;application android:icon="@drawable/app_notes"
247 *             android:label="@string/app_name"&gt;
248 *
249 *         &lt;provider class=".NotePadProvider"
250 *                 android:authorities="<i>com.google.provider.NotePad</i>" /&gt;
251 *
252 *         &lt;activity class=".NotesList" android:label="@string/title_notes_list"&gt;
253 *             &lt;intent-filter&gt;
254 *                 &lt;action android:name="android.intent.action.MAIN" /&gt;
255 *                 &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
256 *             &lt;/intent-filter&gt;
257 *             &lt;intent-filter&gt;
258 *                 &lt;action android:name="android.intent.action.VIEW" /&gt;
259 *                 &lt;action android:name="android.intent.action.EDIT" /&gt;
260 *                 &lt;action android:name="android.intent.action.PICK" /&gt;
261 *                 &lt;category android:name="android.intent.category.DEFAULT" /&gt;
262 *                 &lt;data android:mimeType="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
263 *             &lt;/intent-filter&gt;
264 *             &lt;intent-filter&gt;
265 *                 &lt;action android:name="android.intent.action.GET_CONTENT" /&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 *         &lt;/activity&gt;
270 *
271 *         &lt;activity class=".NoteEditor" android:label="@string/title_note"&gt;
272 *             &lt;intent-filter android:label="@string/resolve_edit"&gt;
273 *                 &lt;action android:name="android.intent.action.VIEW" /&gt;
274 *                 &lt;action android:name="android.intent.action.EDIT" /&gt;
275 *                 &lt;category android:name="android.intent.category.DEFAULT" /&gt;
276 *                 &lt;data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
277 *             &lt;/intent-filter&gt;
278 *
279 *             &lt;intent-filter&gt;
280 *                 &lt;action android:name="android.intent.action.INSERT" /&gt;
281 *                 &lt;category android:name="android.intent.category.DEFAULT" /&gt;
282 *                 &lt;data android:mimeType="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
283 *             &lt;/intent-filter&gt;
284 *
285 *         &lt;/activity&gt;
286 *
287 *         &lt;activity class=".TitleEditor" android:label="@string/title_edit_title"
288 *                 android:theme="@android:style/Theme.Dialog"&gt;
289 *             &lt;intent-filter android:label="@string/resolve_title"&gt;
290 *                 &lt;action android:name="<i>com.android.notepad.action.EDIT_TITLE</i>" /&gt;
291 *                 &lt;category android:name="android.intent.category.DEFAULT" /&gt;
292 *                 &lt;category android:name="android.intent.category.ALTERNATIVE" /&gt;
293 *                 &lt;category android:name="android.intent.category.SELECTED_ALTERNATIVE" /&gt;
294 *                 &lt;data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
295 *             &lt;/intent-filter&gt;
296 *         &lt;/activity&gt;
297 *
298 *     &lt;/application&gt;
299 * &lt;/manifest&gt;</pre>
300 *
301 * <p>The first activity,
302 * <code>com.android.notepad.NotesList</code>, serves as our main
303 * entry into the app.  It can do three things as described by its three intent
304 * templates:
305 * <ol>
306 * <li><pre>
307 * &lt;intent-filter&gt;
308 *     &lt;action android:name="{@link #ACTION_MAIN android.intent.action.MAIN}" /&gt;
309 *     &lt;category android:name="{@link #CATEGORY_LAUNCHER android.intent.category.LAUNCHER}" /&gt;
310 * &lt;/intent-filter&gt;</pre>
311 * <p>This provides a top-level entry into the NotePad application: the standard
312 * MAIN action is a main entry point (not requiring any other information in
313 * the Intent), and the LAUNCHER category says that this entry point should be
314 * listed in the application launcher.</p>
315 * <li><pre>
316 * &lt;intent-filter&gt;
317 *     &lt;action android:name="{@link #ACTION_VIEW android.intent.action.VIEW}" /&gt;
318 *     &lt;action android:name="{@link #ACTION_EDIT android.intent.action.EDIT}" /&gt;
319 *     &lt;action android:name="{@link #ACTION_PICK android.intent.action.PICK}" /&gt;
320 *     &lt;category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
321 *     &lt;data mimeType:name="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
322 * &lt;/intent-filter&gt;</pre>
323 * <p>This declares the things that the activity can do on a directory of
324 * notes.  The type being supported is given with the &lt;type&gt; tag, where
325 * <code>vnd.android.cursor.dir/vnd.google.note</code> is a URI from which
326 * a Cursor of zero or more items (<code>vnd.android.cursor.dir</code>) can
327 * be retrieved which holds our note pad data (<code>vnd.google.note</code>).
328 * The activity allows the user to view or edit the directory of data (via
329 * the VIEW and EDIT actions), or to pick a particular note and return it
330 * to the caller (via the PICK action).  Note also the DEFAULT category
331 * supplied here: this is <em>required</em> for the
332 * {@link Context#startActivity Context.startActivity} method to resolve your
333 * activity when its component name is not explicitly specified.</p>
334 * <li><pre>
335 * &lt;intent-filter&gt;
336 *     &lt;action android:name="{@link #ACTION_GET_CONTENT android.intent.action.GET_CONTENT}" /&gt;
337 *     &lt;category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
338 *     &lt;data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
339 * &lt;/intent-filter&gt;</pre>
340 * <p>This filter describes the ability return to the caller a note selected by
341 * the user without needing to know where it came from.  The data type
342 * <code>vnd.android.cursor.item/vnd.google.note</code> is a URI from which
343 * a Cursor of exactly one (<code>vnd.android.cursor.item</code>) item can
344 * be retrieved which contains our note pad data (<code>vnd.google.note</code>).
345 * The GET_CONTENT action is similar to the PICK action, where the activity
346 * will return to its caller a piece of data selected by the user.  Here,
347 * however, the caller specifies the type of data they desire instead of
348 * the type of data the user will be picking from.</p>
349 * </ol>
350 *
351 * <p>Given these capabilities, the following intents will resolve to the
352 * NotesList activity:</p>
353 *
354 * <ul>
355 *     <li> <p><b>{ action=android.app.action.MAIN }</b> matches all of the
356 *         activities that can be used as top-level entry points into an
357 *         application.</p>
358 *     <li> <p><b>{ action=android.app.action.MAIN,
359 *         category=android.app.category.LAUNCHER }</b> is the actual intent
360 *         used by the Launcher to populate its top-level list.</p>
361 *     <li> <p><b>{ action=android.intent.action.VIEW
362 *          data=content://com.google.provider.NotePad/notes }</b>
363 *         displays a list of all the notes under
364 *         "content://com.google.provider.NotePad/notes", which
365 *         the user can browse through and see the details on.</p>
366 *     <li> <p><b>{ action=android.app.action.PICK
367 *          data=content://com.google.provider.NotePad/notes }</b>
368 *         provides a list of the notes under
369 *         "content://com.google.provider.NotePad/notes", from which
370 *         the user can pick a note whose data URL is returned back to the caller.</p>
371 *     <li> <p><b>{ action=android.app.action.GET_CONTENT
372 *          type=vnd.android.cursor.item/vnd.google.note }</b>
373 *         is similar to the pick action, but allows the caller to specify the
374 *         kind of data they want back so that the system can find the appropriate
375 *         activity to pick something of that data type.</p>
376 * </ul>
377 *
378 * <p>The second activity,
379 * <code>com.android.notepad.NoteEditor</code>, shows the user a single
380 * note entry and allows them to edit it.  It can do two things as described
381 * by its two intent templates:
382 * <ol>
383 * <li><pre>
384 * &lt;intent-filter android:label="@string/resolve_edit"&gt;
385 *     &lt;action android:name="{@link #ACTION_VIEW android.intent.action.VIEW}" /&gt;
386 *     &lt;action android:name="{@link #ACTION_EDIT android.intent.action.EDIT}" /&gt;
387 *     &lt;category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
388 *     &lt;data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
389 * &lt;/intent-filter&gt;</pre>
390 * <p>The first, primary, purpose of this activity is to let the user interact
391 * with a single note, as decribed by the MIME type
392 * <code>vnd.android.cursor.item/vnd.google.note</code>.  The activity can
393 * either VIEW a note or allow the user to EDIT it.  Again we support the
394 * DEFAULT category to allow the activity to be launched without explicitly
395 * specifying its component.</p>
396 * <li><pre>
397 * &lt;intent-filter&gt;
398 *     &lt;action android:name="{@link #ACTION_INSERT android.intent.action.INSERT}" /&gt;
399 *     &lt;category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
400 *     &lt;data android:mimeType="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
401 * &lt;/intent-filter&gt;</pre>
402 * <p>The secondary use of this activity is to insert a new note entry into
403 * an existing directory of notes.  This is used when the user creates a new
404 * note: the INSERT action is executed on the directory of notes, causing
405 * this activity to run and have the user create the new note data which
406 * it then adds to the content provider.</p>
407 * </ol>
408 *
409 * <p>Given these capabilities, the following intents will resolve to the
410 * NoteEditor activity:</p>
411 *
412 * <ul>
413 *     <li> <p><b>{ action=android.intent.action.VIEW
414 *          data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b>
415 *         shows the user the content of note <var>{ID}</var>.</p>
416 *     <li> <p><b>{ action=android.app.action.EDIT
417 *          data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b>
418 *         allows the user to edit the content of note <var>{ID}</var>.</p>
419 *     <li> <p><b>{ action=android.app.action.INSERT
420 *          data=content://com.google.provider.NotePad/notes }</b>
421 *         creates a new, empty note in the notes list at
422 *         "content://com.google.provider.NotePad/notes"
423 *         and allows the user to edit it.  If they keep their changes, the URI
424 *         of the newly created note is returned to the caller.</p>
425 * </ul>
426 *
427 * <p>The last activity,
428 * <code>com.android.notepad.TitleEditor</code>, allows the user to
429 * edit the title of a note.  This could be implemented as a class that the
430 * application directly invokes (by explicitly setting its component in
431 * the Intent), but here we show a way you can publish alternative
432 * operations on existing data:</p>
433 *
434 * <pre>
435 * &lt;intent-filter android:label="@string/resolve_title"&gt;
436 *     &lt;action android:name="<i>com.android.notepad.action.EDIT_TITLE</i>" /&gt;
437 *     &lt;category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
438 *     &lt;category android:name="{@link #CATEGORY_ALTERNATIVE android.intent.category.ALTERNATIVE}" /&gt;
439 *     &lt;category android:name="{@link #CATEGORY_SELECTED_ALTERNATIVE android.intent.category.SELECTED_ALTERNATIVE}" /&gt;
440 *     &lt;data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
441 * &lt;/intent-filter&gt;</pre>
442 *
443 * <p>In the single intent template here, we
444 * have created our own private action called
445 * <code>com.android.notepad.action.EDIT_TITLE</code> which means to
446 * edit the title of a note.  It must be invoked on a specific note
447 * (data type <code>vnd.android.cursor.item/vnd.google.note</code>) like the previous
448 * view and edit actions, but here displays and edits the title contained
449 * in the note data.
450 *
451 * <p>In addition to supporting the default category as usual, our title editor
452 * also supports two other standard categories: ALTERNATIVE and
453 * SELECTED_ALTERNATIVE.  Implementing
454 * these categories allows others to find the special action it provides
455 * without directly knowing about it, through the
456 * {@link android.content.pm.PackageManager#queryIntentActivityOptions} method, or
457 * more often to build dynamic menu items with
458 * {@link android.view.Menu#addIntentOptions}.  Note that in the intent
459 * template here was also supply an explicit name for the template
460 * (via <code>android:label="@string/resolve_title"</code>) to better control
461 * what the user sees when presented with this activity as an alternative
462 * action to the data they are viewing.
463 *
464 * <p>Given these capabilities, the following intent will resolve to the
465 * TitleEditor activity:</p>
466 *
467 * <ul>
468 *     <li> <p><b>{ action=com.android.notepad.action.EDIT_TITLE
469 *          data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b>
470 *         displays and allows the user to edit the title associated
471 *         with note <var>{ID}</var>.</p>
472 * </ul>
473 *
474 * <h3>Standard Activity Actions</h3>
475 *
476 * <p>These are the current standard actions that Intent defines for launching
477 * activities (usually through {@link Context#startActivity}.  The most
478 * important, and by far most frequently used, are {@link #ACTION_MAIN} and
479 * {@link #ACTION_EDIT}.
480 *
481 * <ul>
482 *     <li> {@link #ACTION_MAIN}
483 *     <li> {@link #ACTION_VIEW}
484 *     <li> {@link #ACTION_ATTACH_DATA}
485 *     <li> {@link #ACTION_EDIT}
486 *     <li> {@link #ACTION_PICK}
487 *     <li> {@link #ACTION_CHOOSER}
488 *     <li> {@link #ACTION_GET_CONTENT}
489 *     <li> {@link #ACTION_DIAL}
490 *     <li> {@link #ACTION_CALL}
491 *     <li> {@link #ACTION_SEND}
492 *     <li> {@link #ACTION_SENDTO}
493 *     <li> {@link #ACTION_ANSWER}
494 *     <li> {@link #ACTION_INSERT}
495 *     <li> {@link #ACTION_DELETE}
496 *     <li> {@link #ACTION_RUN}
497 *     <li> {@link #ACTION_SYNC}
498 *     <li> {@link #ACTION_PICK_ACTIVITY}
499 *     <li> {@link #ACTION_SEARCH}
500 *     <li> {@link #ACTION_WEB_SEARCH}
501 *     <li> {@link #ACTION_FACTORY_TEST}
502 * </ul>
503 *
504 * <h3>Standard Broadcast Actions</h3>
505 *
506 * <p>These are the current standard actions that Intent defines for receiving
507 * broadcasts (usually through {@link Context#registerReceiver} or a
508 * &lt;receiver&gt; tag in a manifest).
509 *
510 * <ul>
511 *     <li> {@link #ACTION_TIME_TICK}
512 *     <li> {@link #ACTION_TIME_CHANGED}
513 *     <li> {@link #ACTION_TIMEZONE_CHANGED}
514 *     <li> {@link #ACTION_BOOT_COMPLETED}
515 *     <li> {@link #ACTION_PACKAGE_ADDED}
516 *     <li> {@link #ACTION_PACKAGE_CHANGED}
517 *     <li> {@link #ACTION_PACKAGE_REMOVED}
518 *     <li> {@link #ACTION_PACKAGE_RESTARTED}
519 *     <li> {@link #ACTION_PACKAGE_DATA_CLEARED}
520 *     <li> {@link #ACTION_UID_REMOVED}
521 *     <li> {@link #ACTION_BATTERY_CHANGED}
522 *     <li> {@link #ACTION_POWER_CONNECTED}
523 *     <li> {@link #ACTION_POWER_DISCONNECTED}
524 *     <li> {@link #ACTION_SHUTDOWN}
525 * </ul>
526 *
527 * <h3>Standard Categories</h3>
528 *
529 * <p>These are the current standard categories that can be used to further
530 * clarify an Intent via {@link #addCategory}.
531 *
532 * <ul>
533 *     <li> {@link #CATEGORY_DEFAULT}
534 *     <li> {@link #CATEGORY_BROWSABLE}
535 *     <li> {@link #CATEGORY_TAB}
536 *     <li> {@link #CATEGORY_ALTERNATIVE}
537 *     <li> {@link #CATEGORY_SELECTED_ALTERNATIVE}
538 *     <li> {@link #CATEGORY_LAUNCHER}
539 *     <li> {@link #CATEGORY_INFO}
540 *     <li> {@link #CATEGORY_HOME}
541 *     <li> {@link #CATEGORY_PREFERENCE}
542 *     <li> {@link #CATEGORY_TEST}
543 *     <li> {@link #CATEGORY_CAR_DOCK}
544 *     <li> {@link #CATEGORY_DESK_DOCK}
545 *     <li> {@link #CATEGORY_LE_DESK_DOCK}
546 *     <li> {@link #CATEGORY_HE_DESK_DOCK}
547 *     <li> {@link #CATEGORY_CAR_MODE}
548 *     <li> {@link #CATEGORY_APP_MARKET}
549 * </ul>
550 *
551 * <h3>Standard Extra Data</h3>
552 *
553 * <p>These are the current standard fields that can be used as extra data via
554 * {@link #putExtra}.
555 *
556 * <ul>
557 *     <li> {@link #EXTRA_ALARM_COUNT}
558 *     <li> {@link #EXTRA_BCC}
559 *     <li> {@link #EXTRA_CC}
560 *     <li> {@link #EXTRA_CHANGED_COMPONENT_NAME}
561 *     <li> {@link #EXTRA_DATA_REMOVED}
562 *     <li> {@link #EXTRA_DOCK_STATE}
563 *     <li> {@link #EXTRA_DOCK_STATE_HE_DESK}
564 *     <li> {@link #EXTRA_DOCK_STATE_LE_DESK}
565 *     <li> {@link #EXTRA_DOCK_STATE_CAR}
566 *     <li> {@link #EXTRA_DOCK_STATE_DESK}
567 *     <li> {@link #EXTRA_DOCK_STATE_UNDOCKED}
568 *     <li> {@link #EXTRA_DONT_KILL_APP}
569 *     <li> {@link #EXTRA_EMAIL}
570 *     <li> {@link #EXTRA_INITIAL_INTENTS}
571 *     <li> {@link #EXTRA_INTENT}
572 *     <li> {@link #EXTRA_KEY_EVENT}
573 *     <li> {@link #EXTRA_ORIGINATING_URI}
574 *     <li> {@link #EXTRA_PHONE_NUMBER}
575 *     <li> {@link #EXTRA_REFERRER}
576 *     <li> {@link #EXTRA_REMOTE_INTENT_TOKEN}
577 *     <li> {@link #EXTRA_REPLACING}
578 *     <li> {@link #EXTRA_SHORTCUT_ICON}
579 *     <li> {@link #EXTRA_SHORTCUT_ICON_RESOURCE}
580 *     <li> {@link #EXTRA_SHORTCUT_INTENT}
581 *     <li> {@link #EXTRA_STREAM}
582 *     <li> {@link #EXTRA_SHORTCUT_NAME}
583 *     <li> {@link #EXTRA_SUBJECT}
584 *     <li> {@link #EXTRA_TEMPLATE}
585 *     <li> {@link #EXTRA_TEXT}
586 *     <li> {@link #EXTRA_TITLE}
587 *     <li> {@link #EXTRA_UID}
588 * </ul>
589 *
590 * <h3>Flags</h3>
591 *
592 * <p>These are the possible flags that can be used in the Intent via
593 * {@link #setFlags} and {@link #addFlags}.  See {@link #setFlags} for a list
594 * of all possible flags.
595 */
596public class Intent implements Parcelable, Cloneable {
597    // ---------------------------------------------------------------------
598    // ---------------------------------------------------------------------
599    // Standard intent activity actions (see action variable).
600
601    /**
602     *  Activity Action: Start as a main entry point, does not expect to
603     *  receive data.
604     *  <p>Input: nothing
605     *  <p>Output: nothing
606     */
607    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
608    public static final String ACTION_MAIN = "android.intent.action.MAIN";
609
610    /**
611     * Activity Action: Display the data to the user.  This is the most common
612     * action performed on data -- it is the generic action you can use on
613     * a piece of data to get the most reasonable thing to occur.  For example,
614     * when used on a contacts entry it will view the entry; when used on a
615     * mailto: URI it will bring up a compose window filled with the information
616     * supplied by the URI; when used with a tel: URI it will invoke the
617     * dialer.
618     * <p>Input: {@link #getData} is URI from which to retrieve data.
619     * <p>Output: nothing.
620     */
621    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
622    public static final String ACTION_VIEW = "android.intent.action.VIEW";
623
624    /**
625     * A synonym for {@link #ACTION_VIEW}, the "standard" action that is
626     * performed on a piece of data.
627     */
628    public static final String ACTION_DEFAULT = ACTION_VIEW;
629
630    /**
631     * Used to indicate that some piece of data should be attached to some other
632     * place.  For example, image data could be attached to a contact.  It is up
633     * to the recipient to decide where the data should be attached; the intent
634     * does not specify the ultimate destination.
635     * <p>Input: {@link #getData} is URI of data to be attached.
636     * <p>Output: nothing.
637     */
638    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
639    public static final String ACTION_ATTACH_DATA = "android.intent.action.ATTACH_DATA";
640
641    /**
642     * Activity Action: Provide explicit editable access to the given data.
643     * <p>Input: {@link #getData} is URI of data to be edited.
644     * <p>Output: nothing.
645     */
646    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
647    public static final String ACTION_EDIT = "android.intent.action.EDIT";
648
649    /**
650     * Activity Action: Pick an existing item, or insert a new item, and then edit it.
651     * <p>Input: {@link #getType} is the desired MIME type of the item to create or edit.
652     * The extras can contain type specific data to pass through to the editing/creating
653     * activity.
654     * <p>Output: The URI of the item that was picked.  This must be a content:
655     * URI so that any receiver can access it.
656     */
657    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
658    public static final String ACTION_INSERT_OR_EDIT = "android.intent.action.INSERT_OR_EDIT";
659
660    /**
661     * Activity Action: Pick an item from the data, returning what was selected.
662     * <p>Input: {@link #getData} is URI containing a directory of data
663     * (vnd.android.cursor.dir/*) from which to pick an item.
664     * <p>Output: The URI of the item that was picked.
665     */
666    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
667    public static final String ACTION_PICK = "android.intent.action.PICK";
668
669    /**
670     * Activity Action: Creates a shortcut.
671     * <p>Input: Nothing.</p>
672     * <p>Output: An Intent representing the shortcut. The intent must contain three
673     * extras: SHORTCUT_INTENT (value: Intent), SHORTCUT_NAME (value: String),
674     * and SHORTCUT_ICON (value: Bitmap) or SHORTCUT_ICON_RESOURCE
675     * (value: ShortcutIconResource).</p>
676     *
677     * @see #EXTRA_SHORTCUT_INTENT
678     * @see #EXTRA_SHORTCUT_NAME
679     * @see #EXTRA_SHORTCUT_ICON
680     * @see #EXTRA_SHORTCUT_ICON_RESOURCE
681     * @see android.content.Intent.ShortcutIconResource
682     */
683    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
684    public static final String ACTION_CREATE_SHORTCUT = "android.intent.action.CREATE_SHORTCUT";
685
686    /**
687     * The name of the extra used to define the Intent of a shortcut.
688     *
689     * @see #ACTION_CREATE_SHORTCUT
690     */
691    public static final String EXTRA_SHORTCUT_INTENT = "android.intent.extra.shortcut.INTENT";
692    /**
693     * The name of the extra used to define the name of a shortcut.
694     *
695     * @see #ACTION_CREATE_SHORTCUT
696     */
697    public static final String EXTRA_SHORTCUT_NAME = "android.intent.extra.shortcut.NAME";
698    /**
699     * The name of the extra used to define the icon, as a Bitmap, of a shortcut.
700     *
701     * @see #ACTION_CREATE_SHORTCUT
702     */
703    public static final String EXTRA_SHORTCUT_ICON = "android.intent.extra.shortcut.ICON";
704    /**
705     * The name of the extra used to define the icon, as a ShortcutIconResource, of a shortcut.
706     *
707     * @see #ACTION_CREATE_SHORTCUT
708     * @see android.content.Intent.ShortcutIconResource
709     */
710    public static final String EXTRA_SHORTCUT_ICON_RESOURCE =
711            "android.intent.extra.shortcut.ICON_RESOURCE";
712
713    /**
714     * Represents a shortcut/live folder icon resource.
715     *
716     * @see Intent#ACTION_CREATE_SHORTCUT
717     * @see Intent#EXTRA_SHORTCUT_ICON_RESOURCE
718     * @see android.provider.LiveFolders#ACTION_CREATE_LIVE_FOLDER
719     * @see android.provider.LiveFolders#EXTRA_LIVE_FOLDER_ICON
720     */
721    public static class ShortcutIconResource implements Parcelable {
722        /**
723         * The package name of the application containing the icon.
724         */
725        public String packageName;
726
727        /**
728         * The resource name of the icon, including package, name and type.
729         */
730        public String resourceName;
731
732        /**
733         * Creates a new ShortcutIconResource for the specified context and resource
734         * identifier.
735         *
736         * @param context The context of the application.
737         * @param resourceId The resource idenfitier for the icon.
738         * @return A new ShortcutIconResource with the specified's context package name
739         *         and icon resource idenfitier.
740         */
741        public static ShortcutIconResource fromContext(Context context, int resourceId) {
742            ShortcutIconResource icon = new ShortcutIconResource();
743            icon.packageName = context.getPackageName();
744            icon.resourceName = context.getResources().getResourceName(resourceId);
745            return icon;
746        }
747
748        /**
749         * Used to read a ShortcutIconResource from a Parcel.
750         */
751        public static final Parcelable.Creator<ShortcutIconResource> CREATOR =
752            new Parcelable.Creator<ShortcutIconResource>() {
753
754                public ShortcutIconResource createFromParcel(Parcel source) {
755                    ShortcutIconResource icon = new ShortcutIconResource();
756                    icon.packageName = source.readString();
757                    icon.resourceName = source.readString();
758                    return icon;
759                }
760
761                public ShortcutIconResource[] newArray(int size) {
762                    return new ShortcutIconResource[size];
763                }
764            };
765
766        /**
767         * No special parcel contents.
768         */
769        public int describeContents() {
770            return 0;
771        }
772
773        public void writeToParcel(Parcel dest, int flags) {
774            dest.writeString(packageName);
775            dest.writeString(resourceName);
776        }
777
778        @Override
779        public String toString() {
780            return resourceName;
781        }
782    }
783
784    /**
785     * Activity Action: Display an activity chooser, allowing the user to pick
786     * what they want to before proceeding.  This can be used as an alternative
787     * to the standard activity picker that is displayed by the system when
788     * you try to start an activity with multiple possible matches, with these
789     * differences in behavior:
790     * <ul>
791     * <li>You can specify the title that will appear in the activity chooser.
792     * <li>The user does not have the option to make one of the matching
793     * activities a preferred activity, and all possible activities will
794     * always be shown even if one of them is currently marked as the
795     * preferred activity.
796     * </ul>
797     * <p>
798     * This action should be used when the user will naturally expect to
799     * select an activity in order to proceed.  An example if when not to use
800     * it is when the user clicks on a "mailto:" link.  They would naturally
801     * expect to go directly to their mail app, so startActivity() should be
802     * called directly: it will
803     * either launch the current preferred app, or put up a dialog allowing the
804     * user to pick an app to use and optionally marking that as preferred.
805     * <p>
806     * In contrast, if the user is selecting a menu item to send a picture
807     * they are viewing to someone else, there are many different things they
808     * may want to do at this point: send it through e-mail, upload it to a
809     * web service, etc.  In this case the CHOOSER action should be used, to
810     * always present to the user a list of the things they can do, with a
811     * nice title given by the caller such as "Send this photo with:".
812     * <p>
813     * If you need to grant URI permissions through a chooser, you must specify
814     * the permissions to be granted on the ACTION_CHOOSER Intent
815     * <em>in addition</em> to the EXTRA_INTENT inside.  This means using
816     * {@link #setClipData} to specify the URIs to be granted as well as
817     * {@link #FLAG_GRANT_READ_URI_PERMISSION} and/or
818     * {@link #FLAG_GRANT_WRITE_URI_PERMISSION} as appropriate.
819     * <p>
820     * As a convenience, an Intent of this form can be created with the
821     * {@link #createChooser} function.
822     * <p>
823     * Input: No data should be specified.  get*Extra must have
824     * a {@link #EXTRA_INTENT} field containing the Intent being executed,
825     * and can optionally have a {@link #EXTRA_TITLE} field containing the
826     * title text to display in the chooser.
827     * <p>
828     * Output: Depends on the protocol of {@link #EXTRA_INTENT}.
829     */
830    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
831    public static final String ACTION_CHOOSER = "android.intent.action.CHOOSER";
832
833    /**
834     * Convenience function for creating a {@link #ACTION_CHOOSER} Intent.
835     *
836     * <p>Builds a new {@link #ACTION_CHOOSER} Intent that wraps the given
837     * target intent, also optionally supplying a title.  If the target
838     * intent has specified {@link #FLAG_GRANT_READ_URI_PERMISSION} or
839     * {@link #FLAG_GRANT_WRITE_URI_PERMISSION}, then these flags will also be
840     * set in the returned chooser intent, with its ClipData set appropriately:
841     * either a direct reflection of {@link #getClipData()} if that is non-null,
842     * or a new ClipData build from {@link #getData()}.
843     *
844     * @param target The Intent that the user will be selecting an activity
845     * to perform.
846     * @param title Optional title that will be displayed in the chooser.
847     * @return Return a new Intent object that you can hand to
848     * {@link Context#startActivity(Intent) Context.startActivity()} and
849     * related methods.
850     */
851    public static Intent createChooser(Intent target, CharSequence title) {
852        Intent intent = new Intent(ACTION_CHOOSER);
853        intent.putExtra(EXTRA_INTENT, target);
854        if (title != null) {
855            intent.putExtra(EXTRA_TITLE, title);
856        }
857
858        // Migrate any clip data and flags from target.
859        int permFlags = target.getFlags()
860                & (FLAG_GRANT_READ_URI_PERMISSION | FLAG_GRANT_WRITE_URI_PERMISSION);
861        if (permFlags != 0) {
862            ClipData targetClipData = target.getClipData();
863            if (targetClipData == null && target.getData() != null) {
864                ClipData.Item item = new ClipData.Item(target.getData());
865                String[] mimeTypes;
866                if (target.getType() != null) {
867                    mimeTypes = new String[] { target.getType() };
868                } else {
869                    mimeTypes = new String[] { };
870                }
871                targetClipData = new ClipData(null, mimeTypes, item);
872            }
873            if (targetClipData != null) {
874                intent.setClipData(targetClipData);
875                intent.addFlags(permFlags);
876            }
877        }
878
879        return intent;
880    }
881
882    /**
883     * Activity Action: Allow the user to select a particular kind of data and
884     * return it.  This is different than {@link #ACTION_PICK} in that here we
885     * just say what kind of data is desired, not a URI of existing data from
886     * which the user can pick.  A ACTION_GET_CONTENT could allow the user to
887     * create the data as it runs (for example taking a picture or recording a
888     * sound), let them browse over the web and download the desired data,
889     * etc.
890     * <p>
891     * There are two main ways to use this action: if you want a specific kind
892     * of data, such as a person contact, you set the MIME type to the kind of
893     * data you want and launch it with {@link Context#startActivity(Intent)}.
894     * The system will then launch the best application to select that kind
895     * of data for you.
896     * <p>
897     * You may also be interested in any of a set of types of content the user
898     * can pick.  For example, an e-mail application that wants to allow the
899     * user to add an attachment to an e-mail message can use this action to
900     * bring up a list of all of the types of content the user can attach.
901     * <p>
902     * In this case, you should wrap the GET_CONTENT intent with a chooser
903     * (through {@link #createChooser}), which will give the proper interface
904     * for the user to pick how to send your data and allow you to specify
905     * a prompt indicating what they are doing.  You will usually specify a
906     * broad MIME type (such as image/* or {@literal *}/*), resulting in a
907     * broad range of content types the user can select from.
908     * <p>
909     * When using such a broad GET_CONTENT action, it is often desirable to
910     * only pick from data that can be represented as a stream.  This is
911     * accomplished by requiring the {@link #CATEGORY_OPENABLE} in the Intent.
912     * <p>
913     * Callers can optionally specify {@link #EXTRA_LOCAL_ONLY} to request that
914     * the launched content chooser only returns results representing data that
915     * is locally available on the device.  For example, if this extra is set
916     * to true then an image picker should not show any pictures that are available
917     * from a remote server but not already on the local device (thus requiring
918     * they be downloaded when opened).
919     * <p>
920     * Input: {@link #getType} is the desired MIME type to retrieve.  Note
921     * that no URI is supplied in the intent, as there are no constraints on
922     * where the returned data originally comes from.  You may also include the
923     * {@link #CATEGORY_OPENABLE} if you can only accept data that can be
924     * opened as a stream.  You may use {@link #EXTRA_LOCAL_ONLY} to limit content
925     * selection to local data.
926     * <p>
927     * Output: The URI of the item that was picked.  This must be a content:
928     * URI so that any receiver can access it.
929     */
930    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
931    public static final String ACTION_GET_CONTENT = "android.intent.action.GET_CONTENT";
932    /**
933     * Activity Action: Dial a number as specified by the data.  This shows a
934     * UI with the number being dialed, allowing the user to explicitly
935     * initiate the call.
936     * <p>Input: If nothing, an empty dialer is started; else {@link #getData}
937     * is URI of a phone number to be dialed or a tel: URI of an explicit phone
938     * number.
939     * <p>Output: nothing.
940     */
941    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
942    public static final String ACTION_DIAL = "android.intent.action.DIAL";
943    /**
944     * Activity Action: Perform a call to someone specified by the data.
945     * <p>Input: If nothing, an empty dialer is started; else {@link #getData}
946     * is URI of a phone number to be dialed or a tel: URI of an explicit phone
947     * number.
948     * <p>Output: nothing.
949     *
950     * <p>Note: there will be restrictions on which applications can initiate a
951     * call; most applications should use the {@link #ACTION_DIAL}.
952     * <p>Note: this Intent <strong>cannot</strong> be used to call emergency
953     * numbers.  Applications can <strong>dial</strong> emergency numbers using
954     * {@link #ACTION_DIAL}, however.
955     */
956    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
957    public static final String ACTION_CALL = "android.intent.action.CALL";
958    /**
959     * Activity Action: Perform a call to an emergency number specified by the
960     * data.
961     * <p>Input: {@link #getData} is URI of a phone number to be dialed or a
962     * tel: URI of an explicit phone number.
963     * <p>Output: nothing.
964     * @hide
965     */
966    public static final String ACTION_CALL_EMERGENCY = "android.intent.action.CALL_EMERGENCY";
967    /**
968     * Activity action: Perform a call to any number (emergency or not)
969     * specified by the data.
970     * <p>Input: {@link #getData} is URI of a phone number to be dialed or a
971     * tel: URI of an explicit phone number.
972     * <p>Output: nothing.
973     * @hide
974     */
975    public static final String ACTION_CALL_PRIVILEGED = "android.intent.action.CALL_PRIVILEGED";
976    /**
977     * Activity Action: Send a message to someone specified by the data.
978     * <p>Input: {@link #getData} is URI describing the target.
979     * <p>Output: nothing.
980     */
981    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
982    public static final String ACTION_SENDTO = "android.intent.action.SENDTO";
983    /**
984     * Activity Action: Deliver some data to someone else.  Who the data is
985     * being delivered to is not specified; it is up to the receiver of this
986     * action to ask the user where the data should be sent.
987     * <p>
988     * When launching a SEND intent, you should usually wrap it in a chooser
989     * (through {@link #createChooser}), which will give the proper interface
990     * for the user to pick how to send your data and allow you to specify
991     * a prompt indicating what they are doing.
992     * <p>
993     * Input: {@link #getType} is the MIME type of the data being sent.
994     * get*Extra can have either a {@link #EXTRA_TEXT}
995     * or {@link #EXTRA_STREAM} field, containing the data to be sent.  If
996     * using EXTRA_TEXT, the MIME type should be "text/plain"; otherwise it
997     * should be the MIME type of the data in EXTRA_STREAM.  Use {@literal *}/*
998     * if the MIME type is unknown (this will only allow senders that can
999     * handle generic data streams).  If using {@link #EXTRA_TEXT}, you can
1000     * also optionally supply {@link #EXTRA_HTML_TEXT} for clients to retrieve
1001     * your text with HTML formatting.
1002     * <p>
1003     * As of {@link android.os.Build.VERSION_CODES#JELLY_BEAN}, the data
1004     * being sent can be supplied through {@link #setClipData(ClipData)}.  This
1005     * allows you to use {@link #FLAG_GRANT_READ_URI_PERMISSION} when sharing
1006     * content: URIs and other advanced features of {@link ClipData}.  If
1007     * using this approach, you still must supply the same data through the
1008     * {@link #EXTRA_TEXT} or {@link #EXTRA_STREAM} fields described below
1009     * for compatibility with old applications.  If you don't set a ClipData,
1010     * it will be copied there for you when calling {@link Context#startActivity(Intent)}.
1011     * <p>
1012     * Optional standard extras, which may be interpreted by some recipients as
1013     * appropriate, are: {@link #EXTRA_EMAIL}, {@link #EXTRA_CC},
1014     * {@link #EXTRA_BCC}, {@link #EXTRA_SUBJECT}.
1015     * <p>
1016     * Output: nothing.
1017     */
1018    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1019    public static final String ACTION_SEND = "android.intent.action.SEND";
1020    /**
1021     * Activity Action: Deliver multiple data to someone else.
1022     * <p>
1023     * Like {@link #ACTION_SEND}, except the data is multiple.
1024     * <p>
1025     * Input: {@link #getType} is the MIME type of the data being sent.
1026     * get*ArrayListExtra can have either a {@link #EXTRA_TEXT} or {@link
1027     * #EXTRA_STREAM} field, containing the data to be sent.  If using
1028     * {@link #EXTRA_TEXT}, you can also optionally supply {@link #EXTRA_HTML_TEXT}
1029     * for clients to retrieve your text with HTML formatting.
1030     * <p>
1031     * Multiple types are supported, and receivers should handle mixed types
1032     * whenever possible. The right way for the receiver to check them is to
1033     * use the content resolver on each URI. The intent sender should try to
1034     * put the most concrete mime type in the intent type, but it can fall
1035     * back to {@literal <type>/*} or {@literal *}/* as needed.
1036     * <p>
1037     * e.g. if you are sending image/jpg and image/jpg, the intent's type can
1038     * be image/jpg, but if you are sending image/jpg and image/png, then the
1039     * intent's type should be image/*.
1040     * <p>
1041     * As of {@link android.os.Build.VERSION_CODES#JELLY_BEAN}, the data
1042     * being sent can be supplied through {@link #setClipData(ClipData)}.  This
1043     * allows you to use {@link #FLAG_GRANT_READ_URI_PERMISSION} when sharing
1044     * content: URIs and other advanced features of {@link ClipData}.  If
1045     * using this approach, you still must supply the same data through the
1046     * {@link #EXTRA_TEXT} or {@link #EXTRA_STREAM} fields described below
1047     * for compatibility with old applications.  If you don't set a ClipData,
1048     * it will be copied there for you when calling {@link Context#startActivity(Intent)}.
1049     * <p>
1050     * Optional standard extras, which may be interpreted by some recipients as
1051     * appropriate, are: {@link #EXTRA_EMAIL}, {@link #EXTRA_CC},
1052     * {@link #EXTRA_BCC}, {@link #EXTRA_SUBJECT}.
1053     * <p>
1054     * Output: nothing.
1055     */
1056    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1057    public static final String ACTION_SEND_MULTIPLE = "android.intent.action.SEND_MULTIPLE";
1058    /**
1059     * Activity Action: Handle an incoming phone call.
1060     * <p>Input: nothing.
1061     * <p>Output: nothing.
1062     */
1063    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1064    public static final String ACTION_ANSWER = "android.intent.action.ANSWER";
1065    /**
1066     * Activity Action: Insert an empty item into the given container.
1067     * <p>Input: {@link #getData} is URI of the directory (vnd.android.cursor.dir/*)
1068     * in which to place the data.
1069     * <p>Output: URI of the new data that was created.
1070     */
1071    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1072    public static final String ACTION_INSERT = "android.intent.action.INSERT";
1073    /**
1074     * Activity Action: Create a new item in the given container, initializing it
1075     * from the current contents of the clipboard.
1076     * <p>Input: {@link #getData} is URI of the directory (vnd.android.cursor.dir/*)
1077     * in which to place the data.
1078     * <p>Output: URI of the new data that was created.
1079     */
1080    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1081    public static final String ACTION_PASTE = "android.intent.action.PASTE";
1082    /**
1083     * Activity Action: Delete the given data from its container.
1084     * <p>Input: {@link #getData} is URI of data to be deleted.
1085     * <p>Output: nothing.
1086     */
1087    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1088    public static final String ACTION_DELETE = "android.intent.action.DELETE";
1089    /**
1090     * Activity Action: Run the data, whatever that means.
1091     * <p>Input: ?  (Note: this is currently specific to the test harness.)
1092     * <p>Output: nothing.
1093     */
1094    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1095    public static final String ACTION_RUN = "android.intent.action.RUN";
1096    /**
1097     * Activity Action: Perform a data synchronization.
1098     * <p>Input: ?
1099     * <p>Output: ?
1100     */
1101    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1102    public static final String ACTION_SYNC = "android.intent.action.SYNC";
1103    /**
1104     * Activity Action: Pick an activity given an intent, returning the class
1105     * selected.
1106     * <p>Input: get*Extra field {@link #EXTRA_INTENT} is an Intent
1107     * used with {@link PackageManager#queryIntentActivities} to determine the
1108     * set of activities from which to pick.
1109     * <p>Output: Class name of the activity that was selected.
1110     */
1111    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1112    public static final String ACTION_PICK_ACTIVITY = "android.intent.action.PICK_ACTIVITY";
1113    /**
1114     * Activity Action: Perform a search.
1115     * <p>Input: {@link android.app.SearchManager#QUERY getStringExtra(SearchManager.QUERY)}
1116     * is the text to search for.  If empty, simply
1117     * enter your search results Activity with the search UI activated.
1118     * <p>Output: nothing.
1119     */
1120    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1121    public static final String ACTION_SEARCH = "android.intent.action.SEARCH";
1122    /**
1123     * Activity Action: Start the platform-defined tutorial
1124     * <p>Input: {@link android.app.SearchManager#QUERY getStringExtra(SearchManager.QUERY)}
1125     * is the text to search for.  If empty, simply
1126     * enter your search results Activity with the search UI activated.
1127     * <p>Output: nothing.
1128     */
1129    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1130    public static final String ACTION_SYSTEM_TUTORIAL = "android.intent.action.SYSTEM_TUTORIAL";
1131    /**
1132     * Activity Action: Perform a web search.
1133     * <p>
1134     * Input: {@link android.app.SearchManager#QUERY
1135     * getStringExtra(SearchManager.QUERY)} is the text to search for. If it is
1136     * a url starts with http or https, the site will be opened. If it is plain
1137     * text, Google search will be applied.
1138     * <p>
1139     * Output: nothing.
1140     */
1141    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1142    public static final String ACTION_WEB_SEARCH = "android.intent.action.WEB_SEARCH";
1143    /**
1144     * Activity Action: Perform assist action.
1145     * <p>
1146     * Input: nothing
1147     * Output: nothing.
1148     */
1149    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1150    public static final String ACTION_ASSIST = "android.intent.action.ASSIST";
1151    /**
1152     * Activity Action: List all available applications
1153     * <p>Input: Nothing.
1154     * <p>Output: nothing.
1155     */
1156    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1157    public static final String ACTION_ALL_APPS = "android.intent.action.ALL_APPS";
1158    /**
1159     * Activity Action: Show settings for choosing wallpaper
1160     * <p>Input: Nothing.
1161     * <p>Output: Nothing.
1162     */
1163    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1164    public static final String ACTION_SET_WALLPAPER = "android.intent.action.SET_WALLPAPER";
1165
1166    /**
1167     * Activity Action: Show activity for reporting a bug.
1168     * <p>Input: Nothing.
1169     * <p>Output: Nothing.
1170     */
1171    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1172    public static final String ACTION_BUG_REPORT = "android.intent.action.BUG_REPORT";
1173
1174    /**
1175     *  Activity Action: Main entry point for factory tests.  Only used when
1176     *  the device is booting in factory test node.  The implementing package
1177     *  must be installed in the system image.
1178     *  <p>Input: nothing
1179     *  <p>Output: nothing
1180     */
1181    public static final String ACTION_FACTORY_TEST = "android.intent.action.FACTORY_TEST";
1182
1183    /**
1184     * Activity Action: The user pressed the "call" button to go to the dialer
1185     * or other appropriate UI for placing a call.
1186     * <p>Input: Nothing.
1187     * <p>Output: Nothing.
1188     */
1189    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1190    public static final String ACTION_CALL_BUTTON = "android.intent.action.CALL_BUTTON";
1191
1192    /**
1193     * Activity Action: Start Voice Command.
1194     * <p>Input: Nothing.
1195     * <p>Output: Nothing.
1196     */
1197    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1198    public static final String ACTION_VOICE_COMMAND = "android.intent.action.VOICE_COMMAND";
1199
1200    /**
1201     * Activity Action: Start action associated with long pressing on the
1202     * search key.
1203     * <p>Input: Nothing.
1204     * <p>Output: Nothing.
1205     */
1206    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1207    public static final String ACTION_SEARCH_LONG_PRESS = "android.intent.action.SEARCH_LONG_PRESS";
1208
1209    /**
1210     * Activity Action: The user pressed the "Report" button in the crash/ANR dialog.
1211     * This intent is delivered to the package which installed the application, usually
1212     * Google Play.
1213     * <p>Input: No data is specified. The bug report is passed in using
1214     * an {@link #EXTRA_BUG_REPORT} field.
1215     * <p>Output: Nothing.
1216     *
1217     * @see #EXTRA_BUG_REPORT
1218     */
1219    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1220    public static final String ACTION_APP_ERROR = "android.intent.action.APP_ERROR";
1221
1222    /**
1223     * Activity Action: Show power usage information to the user.
1224     * <p>Input: Nothing.
1225     * <p>Output: Nothing.
1226     */
1227    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1228    public static final String ACTION_POWER_USAGE_SUMMARY = "android.intent.action.POWER_USAGE_SUMMARY";
1229
1230    /**
1231     * Activity Action: Setup wizard to launch after a platform update.  This
1232     * activity should have a string meta-data field associated with it,
1233     * {@link #METADATA_SETUP_VERSION}, which defines the current version of
1234     * the platform for setup.  The activity will be launched only if
1235     * {@link android.provider.Settings.Secure#LAST_SETUP_SHOWN} is not the
1236     * same value.
1237     * <p>Input: Nothing.
1238     * <p>Output: Nothing.
1239     * @hide
1240     */
1241    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1242    public static final String ACTION_UPGRADE_SETUP = "android.intent.action.UPGRADE_SETUP";
1243
1244    /**
1245     * Activity Action: Show settings for managing network data usage of a
1246     * specific application. Applications should define an activity that offers
1247     * options to control data usage.
1248     */
1249    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1250    public static final String ACTION_MANAGE_NETWORK_USAGE =
1251            "android.intent.action.MANAGE_NETWORK_USAGE";
1252
1253    /**
1254     * Activity Action: Launch application installer.
1255     * <p>
1256     * Input: The data must be a content: or file: URI at which the application
1257     * can be retrieved.  As of {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR1},
1258     * you can also use "package:<package-name>" to install an application for the
1259     * current user that is already installed for another user. You can optionally supply
1260     * {@link #EXTRA_INSTALLER_PACKAGE_NAME}, {@link #EXTRA_NOT_UNKNOWN_SOURCE},
1261     * {@link #EXTRA_ALLOW_REPLACE}, and {@link #EXTRA_RETURN_RESULT}.
1262     * <p>
1263     * Output: If {@link #EXTRA_RETURN_RESULT}, returns whether the install
1264     * succeeded.
1265     *
1266     * @see #EXTRA_INSTALLER_PACKAGE_NAME
1267     * @see #EXTRA_NOT_UNKNOWN_SOURCE
1268     * @see #EXTRA_RETURN_RESULT
1269     */
1270    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1271    public static final String ACTION_INSTALL_PACKAGE = "android.intent.action.INSTALL_PACKAGE";
1272
1273    /**
1274     * Used as a string extra field with {@link #ACTION_INSTALL_PACKAGE} to install a
1275     * package.  Specifies the installer package name; this package will receive the
1276     * {@link #ACTION_APP_ERROR} intent.
1277     */
1278    public static final String EXTRA_INSTALLER_PACKAGE_NAME
1279            = "android.intent.extra.INSTALLER_PACKAGE_NAME";
1280
1281    /**
1282     * Used as a boolean extra field with {@link #ACTION_INSTALL_PACKAGE} to install a
1283     * package.  Specifies that the application being installed should not be
1284     * treated as coming from an unknown source, but as coming from the app
1285     * invoking the Intent.  For this to work you must start the installer with
1286     * startActivityForResult().
1287     */
1288    public static final String EXTRA_NOT_UNKNOWN_SOURCE
1289            = "android.intent.extra.NOT_UNKNOWN_SOURCE";
1290
1291    /**
1292     * Used as a URI extra field with {@link #ACTION_INSTALL_PACKAGE} and
1293     * {@link #ACTION_VIEW} to indicate the URI from which the local APK in the Intent
1294     * data field originated from.
1295     */
1296    public static final String EXTRA_ORIGINATING_URI
1297            = "android.intent.extra.ORIGINATING_URI";
1298
1299    /**
1300     * Used as a URI extra field with {@link #ACTION_INSTALL_PACKAGE} and
1301     * {@link #ACTION_VIEW} to indicate the HTTP referrer URI associated with the Intent
1302     * data field or {@link #EXTRA_ORIGINATING_URI}.
1303     */
1304    public static final String EXTRA_REFERRER
1305            = "android.intent.extra.REFERRER";
1306
1307    /**
1308     * Used as an int extra field with {@link #ACTION_INSTALL_PACKAGE} and
1309     * {@link} #ACTION_VIEW} to indicate the uid of the package that initiated the install
1310     * @hide
1311     */
1312    public static final String EXTRA_ORIGINATING_UID
1313            = "android.intent.extra.ORIGINATING_UID";
1314
1315    /**
1316     * Used as a boolean extra field with {@link #ACTION_INSTALL_PACKAGE} to install a
1317     * package.  Tells the installer UI to skip the confirmation with the user
1318     * if the .apk is replacing an existing one.
1319     * @deprecated As of {@link android.os.Build.VERSION_CODES#JELLY_BEAN}, Android
1320     * will no longer show an interstitial message about updating existing
1321     * applications so this is no longer needed.
1322     */
1323    @Deprecated
1324    public static final String EXTRA_ALLOW_REPLACE
1325            = "android.intent.extra.ALLOW_REPLACE";
1326
1327    /**
1328     * Used as a boolean extra field with {@link #ACTION_INSTALL_PACKAGE} or
1329     * {@link #ACTION_UNINSTALL_PACKAGE}.  Specifies that the installer UI should
1330     * return to the application the result code of the install/uninstall.  The returned result
1331     * code will be {@link android.app.Activity#RESULT_OK} on success or
1332     * {@link android.app.Activity#RESULT_FIRST_USER} on failure.
1333     */
1334    public static final String EXTRA_RETURN_RESULT
1335            = "android.intent.extra.RETURN_RESULT";
1336
1337    /**
1338     * Package manager install result code.  @hide because result codes are not
1339     * yet ready to be exposed.
1340     */
1341    public static final String EXTRA_INSTALL_RESULT
1342            = "android.intent.extra.INSTALL_RESULT";
1343
1344    /**
1345     * Activity Action: Launch application uninstaller.
1346     * <p>
1347     * Input: The data must be a package: URI whose scheme specific part is
1348     * the package name of the current installed package to be uninstalled.
1349     * You can optionally supply {@link #EXTRA_RETURN_RESULT}.
1350     * <p>
1351     * Output: If {@link #EXTRA_RETURN_RESULT}, returns whether the install
1352     * succeeded.
1353     */
1354    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1355    public static final String ACTION_UNINSTALL_PACKAGE = "android.intent.action.UNINSTALL_PACKAGE";
1356
1357    /**
1358     * Specify whether the package should be uninstalled for all users.
1359     * @hide because these should not be part of normal application flow.
1360     */
1361    public static final String EXTRA_UNINSTALL_ALL_USERS
1362            = "android.intent.extra.UNINSTALL_ALL_USERS";
1363
1364    /**
1365     * A string associated with a {@link #ACTION_UPGRADE_SETUP} activity
1366     * describing the last run version of the platform that was setup.
1367     * @hide
1368     */
1369    public static final String METADATA_SETUP_VERSION = "android.SETUP_VERSION";
1370
1371    // ---------------------------------------------------------------------
1372    // ---------------------------------------------------------------------
1373    // Standard intent broadcast actions (see action variable).
1374
1375    /**
1376     * Broadcast Action: Sent after the screen turns off.
1377     *
1378     * <p class="note">This is a protected intent that can only be sent
1379     * by the system.
1380     */
1381    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1382    public static final String ACTION_SCREEN_OFF = "android.intent.action.SCREEN_OFF";
1383    /**
1384     * Broadcast Action: Sent after the screen turns on.
1385     *
1386     * <p class="note">This is a protected intent that can only be sent
1387     * by the system.
1388     */
1389    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1390    public static final String ACTION_SCREEN_ON = "android.intent.action.SCREEN_ON";
1391
1392    /**
1393     * Broadcast Action: Sent after the system stops dreaming.
1394     *
1395     * <p class="note">This is a protected intent that can only be sent by the system.
1396     * It is only sent to registered receivers.</p>
1397     */
1398    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1399    public static final String ACTION_DREAMING_STOPPED = "android.intent.action.DREAMING_STOPPED";
1400
1401    /**
1402     * Broadcast Action: Sent after the system starts dreaming.
1403     *
1404     * <p class="note">This is a protected intent that can only be sent by the system.
1405     * It is only sent to registered receivers.</p>
1406     */
1407    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1408    public static final String ACTION_DREAMING_STARTED = "android.intent.action.DREAMING_STARTED";
1409
1410    /**
1411     * Broadcast Action: Sent when the user is present after device wakes up (e.g when the
1412     * keyguard is gone).
1413     *
1414     * <p class="note">This is a protected intent that can only be sent
1415     * by the system.
1416     */
1417    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1418    public static final String ACTION_USER_PRESENT = "android.intent.action.USER_PRESENT";
1419
1420    /**
1421     * Broadcast Action: The current time has changed.  Sent every
1422     * minute.  You can <em>not</em> receive this through components declared
1423     * in manifests, only by exlicitly registering for it with
1424     * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
1425     * Context.registerReceiver()}.
1426     *
1427     * <p class="note">This is a protected intent that can only be sent
1428     * by the system.
1429     */
1430    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1431    public static final String ACTION_TIME_TICK = "android.intent.action.TIME_TICK";
1432    /**
1433     * Broadcast Action: The time was set.
1434     */
1435    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1436    public static final String ACTION_TIME_CHANGED = "android.intent.action.TIME_SET";
1437    /**
1438     * Broadcast Action: The date has changed.
1439     */
1440    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1441    public static final String ACTION_DATE_CHANGED = "android.intent.action.DATE_CHANGED";
1442    /**
1443     * Broadcast Action: The timezone has changed. The intent will have the following extra values:</p>
1444     * <ul>
1445     *   <li><em>time-zone</em> - The java.util.TimeZone.getID() value identifying the new time zone.</li>
1446     * </ul>
1447     *
1448     * <p class="note">This is a protected intent that can only be sent
1449     * by the system.
1450     */
1451    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1452    public static final String ACTION_TIMEZONE_CHANGED = "android.intent.action.TIMEZONE_CHANGED";
1453    /**
1454     * Clear DNS Cache Action: This is broadcast when networks have changed and old
1455     * DNS entries should be tossed.
1456     * @hide
1457     */
1458    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1459    public static final String ACTION_CLEAR_DNS_CACHE = "android.intent.action.CLEAR_DNS_CACHE";
1460    /**
1461     * Alarm Changed Action: This is broadcast when the AlarmClock
1462     * application's alarm is set or unset.  It is used by the
1463     * AlarmClock application and the StatusBar service.
1464     * @hide
1465     */
1466    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1467    public static final String ACTION_ALARM_CHANGED = "android.intent.action.ALARM_CHANGED";
1468    /**
1469     * Sync State Changed Action: This is broadcast when the sync starts or stops or when one has
1470     * been failing for a long time.  It is used by the SyncManager and the StatusBar service.
1471     * @hide
1472     */
1473    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1474    public static final String ACTION_SYNC_STATE_CHANGED
1475            = "android.intent.action.SYNC_STATE_CHANGED";
1476    /**
1477     * Broadcast Action: This is broadcast once, after the system has finished
1478     * booting.  It can be used to perform application-specific initialization,
1479     * such as installing alarms.  You must hold the
1480     * {@link android.Manifest.permission#RECEIVE_BOOT_COMPLETED} permission
1481     * in order to receive this broadcast.
1482     *
1483     * <p class="note">This is a protected intent that can only be sent
1484     * by the system.
1485     */
1486    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1487    public static final String ACTION_BOOT_COMPLETED = "android.intent.action.BOOT_COMPLETED";
1488    /**
1489     * Broadcast Action: This is broadcast when a user action should request a
1490     * temporary system dialog to dismiss.  Some examples of temporary system
1491     * dialogs are the notification window-shade and the recent tasks dialog.
1492     */
1493    public static final String ACTION_CLOSE_SYSTEM_DIALOGS = "android.intent.action.CLOSE_SYSTEM_DIALOGS";
1494    /**
1495     * Broadcast Action: Trigger the download and eventual installation
1496     * of a package.
1497     * <p>Input: {@link #getData} is the URI of the package file to download.
1498     *
1499     * <p class="note">This is a protected intent that can only be sent
1500     * by the system.
1501     *
1502     * @deprecated This constant has never been used.
1503     */
1504    @Deprecated
1505    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1506    public static final String ACTION_PACKAGE_INSTALL = "android.intent.action.PACKAGE_INSTALL";
1507    /**
1508     * Broadcast Action: A new application package has been installed on the
1509     * device. The data contains the name of the package.  Note that the
1510     * newly installed package does <em>not</em> receive this broadcast.
1511     * <p>May include the following extras:
1512     * <ul>
1513     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the new package.
1514     * <li> {@link #EXTRA_REPLACING} is set to true if this is following
1515     * an {@link #ACTION_PACKAGE_REMOVED} broadcast for the same package.
1516     * </ul>
1517     *
1518     * <p class="note">This is a protected intent that can only be sent
1519     * by the system.
1520     */
1521    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1522    public static final String ACTION_PACKAGE_ADDED = "android.intent.action.PACKAGE_ADDED";
1523    /**
1524     * Broadcast Action: A new version of an application package has been
1525     * installed, replacing an existing version that was previously installed.
1526     * The data contains the name of the package.
1527     * <p>May include the following extras:
1528     * <ul>
1529     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the new package.
1530     * </ul>
1531     *
1532     * <p class="note">This is a protected intent that can only be sent
1533     * by the system.
1534     */
1535    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1536    public static final String ACTION_PACKAGE_REPLACED = "android.intent.action.PACKAGE_REPLACED";
1537    /**
1538     * Broadcast Action: A new version of your application has been installed
1539     * over an existing one.  This is only sent to the application that was
1540     * replaced.  It does not contain any additional data; to receive it, just
1541     * use an intent filter for this action.
1542     *
1543     * <p class="note">This is a protected intent that can only be sent
1544     * by the system.
1545     */
1546    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1547    public static final String ACTION_MY_PACKAGE_REPLACED = "android.intent.action.MY_PACKAGE_REPLACED";
1548    /**
1549     * Broadcast Action: An existing application package has been removed from
1550     * the device.  The data contains the name of the package.  The package
1551     * that is being installed does <em>not</em> receive this Intent.
1552     * <ul>
1553     * <li> {@link #EXTRA_UID} containing the integer uid previously assigned
1554     * to the package.
1555     * <li> {@link #EXTRA_DATA_REMOVED} is set to true if the entire
1556     * application -- data and code -- is being removed.
1557     * <li> {@link #EXTRA_REPLACING} is set to true if this will be followed
1558     * by an {@link #ACTION_PACKAGE_ADDED} broadcast for the same package.
1559     * </ul>
1560     *
1561     * <p class="note">This is a protected intent that can only be sent
1562     * by the system.
1563     */
1564    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1565    public static final String ACTION_PACKAGE_REMOVED = "android.intent.action.PACKAGE_REMOVED";
1566    /**
1567     * Broadcast Action: An existing application package has been completely
1568     * removed from the device.  The data contains the name of the package.
1569     * This is like {@link #ACTION_PACKAGE_REMOVED}, but only set when
1570     * {@link #EXTRA_DATA_REMOVED} is true and
1571     * {@link #EXTRA_REPLACING} is false of that broadcast.
1572     *
1573     * <ul>
1574     * <li> {@link #EXTRA_UID} containing the integer uid previously assigned
1575     * to the package.
1576     * </ul>
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_PACKAGE_FULLY_REMOVED
1583            = "android.intent.action.PACKAGE_FULLY_REMOVED";
1584    /**
1585     * Broadcast Action: An existing application package has been changed (e.g.
1586     * a component has been enabled or disabled).  The data contains the name of
1587     * the package.
1588     * <ul>
1589     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1590     * <li> {@link #EXTRA_CHANGED_COMPONENT_NAME_LIST} containing the class name
1591     * of the changed components.
1592     * <li> {@link #EXTRA_DONT_KILL_APP} containing boolean field to override the
1593     * default action of restarting the application.
1594     * </ul>
1595     *
1596     * <p class="note">This is a protected intent that can only be sent
1597     * by the system.
1598     */
1599    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1600    public static final String ACTION_PACKAGE_CHANGED = "android.intent.action.PACKAGE_CHANGED";
1601    /**
1602     * @hide
1603     * Broadcast Action: Ask system services if there is any reason to
1604     * restart the given package.  The data contains the name of the
1605     * package.
1606     * <ul>
1607     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1608     * <li> {@link #EXTRA_PACKAGES} String array of all packages to check.
1609     * </ul>
1610     *
1611     * <p class="note">This is a protected intent that can only be sent
1612     * by the system.
1613     */
1614    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1615    public static final String ACTION_QUERY_PACKAGE_RESTART = "android.intent.action.QUERY_PACKAGE_RESTART";
1616    /**
1617     * Broadcast Action: The user has restarted a package, and all of its
1618     * processes have been killed.  All runtime state
1619     * associated with it (processes, alarms, notifications, etc) should
1620     * be removed.  Note that the restarted package does <em>not</em>
1621     * receive this broadcast.
1622     * The data contains the name of the package.
1623     * <ul>
1624     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1625     * </ul>
1626     *
1627     * <p class="note">This is a protected intent that can only be sent
1628     * by the system.
1629     */
1630    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1631    public static final String ACTION_PACKAGE_RESTARTED = "android.intent.action.PACKAGE_RESTARTED";
1632    /**
1633     * Broadcast Action: The user has cleared the data of a package.  This should
1634     * be preceded by {@link #ACTION_PACKAGE_RESTARTED}, after which all of
1635     * its persistent data is erased and this broadcast sent.
1636     * Note that the cleared package does <em>not</em>
1637     * receive this broadcast. The data contains the name of the package.
1638     * <ul>
1639     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1640     * </ul>
1641     *
1642     * <p class="note">This is a protected intent that can only be sent
1643     * by the system.
1644     */
1645    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1646    public static final String ACTION_PACKAGE_DATA_CLEARED = "android.intent.action.PACKAGE_DATA_CLEARED";
1647    /**
1648     * Broadcast Action: A user ID has been removed from the system.  The user
1649     * ID number is stored in the extra data under {@link #EXTRA_UID}.
1650     *
1651     * <p class="note">This is a protected intent that can only be sent
1652     * by the system.
1653     */
1654    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1655    public static final String ACTION_UID_REMOVED = "android.intent.action.UID_REMOVED";
1656
1657    /**
1658     * Broadcast Action: Sent to the installer package of an application
1659     * when that application is first launched (that is the first time it
1660     * is moved out of the stopped state).  The data contains the name of the package.
1661     *
1662     * <p class="note">This is a protected intent that can only be sent
1663     * by the system.
1664     */
1665    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1666    public static final String ACTION_PACKAGE_FIRST_LAUNCH = "android.intent.action.PACKAGE_FIRST_LAUNCH";
1667
1668    /**
1669     * Broadcast Action: Sent to the system package verifier when a package
1670     * needs to be verified. The data contains the package URI.
1671     * <p class="note">
1672     * This is a protected intent that can only be sent by the system.
1673     * </p>
1674     */
1675    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1676    public static final String ACTION_PACKAGE_NEEDS_VERIFICATION = "android.intent.action.PACKAGE_NEEDS_VERIFICATION";
1677
1678    /**
1679     * Broadcast Action: Sent to the system package verifier when a package is
1680     * verified. The data contains the package URI.
1681     * <p class="note">
1682     * This is a protected intent that can only be sent by the system.
1683     */
1684    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1685    public static final String ACTION_PACKAGE_VERIFIED = "android.intent.action.PACKAGE_VERIFIED";
1686
1687    /**
1688     * Broadcast Action: Resources for a set of packages (which were
1689     * previously unavailable) are currently
1690     * available since the media on which they exist is available.
1691     * The extra data {@link #EXTRA_CHANGED_PACKAGE_LIST} contains a
1692     * list of packages whose availability changed.
1693     * The extra data {@link #EXTRA_CHANGED_UID_LIST} contains a
1694     * list of uids of packages whose availability changed.
1695     * Note that the
1696     * packages in this list do <em>not</em> receive this broadcast.
1697     * The specified set of packages are now available on the system.
1698     * <p>Includes the following extras:
1699     * <ul>
1700     * <li> {@link #EXTRA_CHANGED_PACKAGE_LIST} is the set of packages
1701     * whose resources(were previously unavailable) are currently available.
1702     * {@link #EXTRA_CHANGED_UID_LIST} is the set of uids of the
1703     * packages whose resources(were previously unavailable)
1704     * are  currently available.
1705     * </ul>
1706     *
1707     * <p class="note">This is a protected intent that can only be sent
1708     * by the system.
1709     */
1710    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1711    public static final String ACTION_EXTERNAL_APPLICATIONS_AVAILABLE =
1712        "android.intent.action.EXTERNAL_APPLICATIONS_AVAILABLE";
1713
1714    /**
1715     * Broadcast Action: Resources for a set of packages are currently
1716     * unavailable since the media on which they exist is unavailable.
1717     * The extra data {@link #EXTRA_CHANGED_PACKAGE_LIST} contains a
1718     * list of packages whose availability changed.
1719     * The extra data {@link #EXTRA_CHANGED_UID_LIST} contains a
1720     * list of uids of packages whose availability changed.
1721     * The specified set of packages can no longer be
1722     * launched and are practically unavailable on the system.
1723     * <p>Inclues the following extras:
1724     * <ul>
1725     * <li> {@link #EXTRA_CHANGED_PACKAGE_LIST} is the set of packages
1726     * whose resources are no longer available.
1727     * {@link #EXTRA_CHANGED_UID_LIST} is the set of packages
1728     * whose resources are no longer available.
1729     * </ul>
1730     *
1731     * <p class="note">This is a protected intent that can only be sent
1732     * by the system.
1733     */
1734    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1735    public static final String ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE =
1736        "android.intent.action.EXTERNAL_APPLICATIONS_UNAVAILABLE";
1737
1738    /**
1739     * Broadcast Action:  The current system wallpaper has changed.  See
1740     * {@link android.app.WallpaperManager} for retrieving the new wallpaper.
1741     * This should <em>only</em> be used to determine when the wallpaper
1742     * has changed to show the new wallpaper to the user.  You should certainly
1743     * never, in response to this, change the wallpaper or other attributes of
1744     * it such as the suggested size.  That would be crazy, right?  You'd cause
1745     * all kinds of loops, especially if other apps are doing similar things,
1746     * right?  Of course.  So please don't do this.
1747     *
1748     * @deprecated Modern applications should use
1749     * {@link android.view.WindowManager.LayoutParams#FLAG_SHOW_WALLPAPER
1750     * WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER} to have the wallpaper
1751     * shown behind their UI, rather than watching for this broadcast and
1752     * rendering the wallpaper on their own.
1753     */
1754    @Deprecated @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1755    public static final String ACTION_WALLPAPER_CHANGED = "android.intent.action.WALLPAPER_CHANGED";
1756    /**
1757     * Broadcast Action: The current device {@link android.content.res.Configuration}
1758     * (orientation, locale, etc) has changed.  When such a change happens, the
1759     * UIs (view hierarchy) will need to be rebuilt based on this new
1760     * information; for the most part, applications don't need to worry about
1761     * this, because the system will take care of stopping and restarting the
1762     * application to make sure it sees the new changes.  Some system code that
1763     * can not be restarted will need to watch for this action and handle it
1764     * appropriately.
1765     *
1766     * <p class="note">
1767     * You can <em>not</em> receive this through components declared
1768     * in manifests, only by explicitly registering for it with
1769     * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
1770     * Context.registerReceiver()}.
1771     *
1772     * <p class="note">This is a protected intent that can only be sent
1773     * by the system.
1774     *
1775     * @see android.content.res.Configuration
1776     */
1777    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1778    public static final String ACTION_CONFIGURATION_CHANGED = "android.intent.action.CONFIGURATION_CHANGED";
1779    /**
1780     * Broadcast Action: The current device's locale has changed.
1781     *
1782     * <p class="note">This is a protected intent that can only be sent
1783     * by the system.
1784     */
1785    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1786    public static final String ACTION_LOCALE_CHANGED = "android.intent.action.LOCALE_CHANGED";
1787    /**
1788     * Broadcast Action:  This is a <em>sticky broadcast</em> containing the
1789     * charging state, level, and other information about the battery.
1790     * See {@link android.os.BatteryManager} for documentation on the
1791     * contents of the Intent.
1792     *
1793     * <p class="note">
1794     * You can <em>not</em> receive this through components declared
1795     * in manifests, only by explicitly registering for it with
1796     * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
1797     * Context.registerReceiver()}.  See {@link #ACTION_BATTERY_LOW},
1798     * {@link #ACTION_BATTERY_OKAY}, {@link #ACTION_POWER_CONNECTED},
1799     * and {@link #ACTION_POWER_DISCONNECTED} for distinct battery-related
1800     * broadcasts that are sent and can be received through manifest
1801     * receivers.
1802     *
1803     * <p class="note">This is a protected intent that can only be sent
1804     * by the system.
1805     */
1806    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1807    public static final String ACTION_BATTERY_CHANGED = "android.intent.action.BATTERY_CHANGED";
1808    /**
1809     * Broadcast Action:  Indicates low battery condition on the device.
1810     * This broadcast corresponds to the "Low battery warning" system dialog.
1811     *
1812     * <p class="note">This is a protected intent that can only be sent
1813     * by the system.
1814     */
1815    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1816    public static final String ACTION_BATTERY_LOW = "android.intent.action.BATTERY_LOW";
1817    /**
1818     * Broadcast Action:  Indicates the battery is now okay after being low.
1819     * This will be sent after {@link #ACTION_BATTERY_LOW} once the battery has
1820     * gone back up to an okay state.
1821     *
1822     * <p class="note">This is a protected intent that can only be sent
1823     * by the system.
1824     */
1825    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1826    public static final String ACTION_BATTERY_OKAY = "android.intent.action.BATTERY_OKAY";
1827    /**
1828     * Broadcast Action:  External power has been connected to the device.
1829     * This is intended for applications that wish to register specifically to this notification.
1830     * Unlike ACTION_BATTERY_CHANGED, applications will be woken for this and so do not have to
1831     * stay active to receive this notification.  This action can be used to implement actions
1832     * that wait until power is available to trigger.
1833     *
1834     * <p class="note">This is a protected intent that can only be sent
1835     * by the system.
1836     */
1837    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1838    public static final String ACTION_POWER_CONNECTED = "android.intent.action.ACTION_POWER_CONNECTED";
1839    /**
1840     * Broadcast Action:  External power has been removed from the device.
1841     * This is intended for applications that wish to register specifically to this notification.
1842     * Unlike ACTION_BATTERY_CHANGED, applications will be woken for this and so do not have to
1843     * stay active to receive this notification.  This action can be used to implement actions
1844     * that wait until power is available to trigger.
1845     *
1846     * <p class="note">This is a protected intent that can only be sent
1847     * by the system.
1848     */
1849    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1850    public static final String ACTION_POWER_DISCONNECTED =
1851            "android.intent.action.ACTION_POWER_DISCONNECTED";
1852    /**
1853     * Broadcast Action:  Device is shutting down.
1854     * This is broadcast when the device is being shut down (completely turned
1855     * off, not sleeping).  Once the broadcast is complete, the final shutdown
1856     * will proceed and all unsaved data lost.  Apps will not normally need
1857     * to handle this, since the foreground activity will be paused as well.
1858     *
1859     * <p class="note">This is a protected intent that can only be sent
1860     * by the system.
1861     */
1862    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1863    public static final String ACTION_SHUTDOWN = "android.intent.action.ACTION_SHUTDOWN";
1864    /**
1865     * Activity Action:  Start this activity to request system shutdown.
1866     * The optional boolean extra field {@link #EXTRA_KEY_CONFIRM} can be set to true
1867     * to request confirmation from the user before shutting down.
1868     *
1869     * <p class="note">This is a protected intent that can only be sent
1870     * by the system.
1871     *
1872     * {@hide}
1873     */
1874    public static final String ACTION_REQUEST_SHUTDOWN = "android.intent.action.ACTION_REQUEST_SHUTDOWN";
1875    /**
1876     * Broadcast Action:  A sticky broadcast that indicates low memory
1877     * condition on the device
1878     *
1879     * <p class="note">This is a protected intent that can only be sent
1880     * by the system.
1881     */
1882    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1883    public static final String ACTION_DEVICE_STORAGE_LOW = "android.intent.action.DEVICE_STORAGE_LOW";
1884    /**
1885     * Broadcast Action:  Indicates low memory condition on the device no longer exists
1886     *
1887     * <p class="note">This is a protected intent that can only be sent
1888     * by the system.
1889     */
1890    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1891    public static final String ACTION_DEVICE_STORAGE_OK = "android.intent.action.DEVICE_STORAGE_OK";
1892    /**
1893     * Broadcast Action:  A sticky broadcast that indicates a memory full
1894     * condition on the device. This is intended for activities that want
1895     * to be able to fill the data partition completely, leaving only
1896     * enough free space to prevent system-wide SQLite failures.
1897     *
1898     * <p class="note">This is a protected intent that can only be sent
1899     * by the system.
1900     *
1901     * {@hide}
1902     */
1903    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1904    public static final String ACTION_DEVICE_STORAGE_FULL = "android.intent.action.DEVICE_STORAGE_FULL";
1905    /**
1906     * Broadcast Action:  Indicates memory full condition on the device
1907     * no longer exists.
1908     *
1909     * <p class="note">This is a protected intent that can only be sent
1910     * by the system.
1911     *
1912     * {@hide}
1913     */
1914    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1915    public static final String ACTION_DEVICE_STORAGE_NOT_FULL = "android.intent.action.DEVICE_STORAGE_NOT_FULL";
1916    /**
1917     * Broadcast Action:  Indicates low memory condition notification acknowledged by user
1918     * and package management should be started.
1919     * This is triggered by the user from the ACTION_DEVICE_STORAGE_LOW
1920     * notification.
1921     */
1922    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1923    public static final String ACTION_MANAGE_PACKAGE_STORAGE = "android.intent.action.MANAGE_PACKAGE_STORAGE";
1924    /**
1925     * Broadcast Action:  The device has entered USB Mass Storage mode.
1926     * This is used mainly for the USB Settings panel.
1927     * Apps should listen for ACTION_MEDIA_MOUNTED and ACTION_MEDIA_UNMOUNTED broadcasts to be notified
1928     * when the SD card file system is mounted or unmounted
1929     * @deprecated replaced by android.os.storage.StorageEventListener
1930     */
1931    @Deprecated
1932    public static final String ACTION_UMS_CONNECTED = "android.intent.action.UMS_CONNECTED";
1933
1934    /**
1935     * Broadcast Action:  The device has exited USB Mass Storage mode.
1936     * This is used mainly for the USB Settings panel.
1937     * Apps should listen for ACTION_MEDIA_MOUNTED and ACTION_MEDIA_UNMOUNTED broadcasts to be notified
1938     * when the SD card file system is mounted or unmounted
1939     * @deprecated replaced by android.os.storage.StorageEventListener
1940     */
1941    @Deprecated
1942    public static final String ACTION_UMS_DISCONNECTED = "android.intent.action.UMS_DISCONNECTED";
1943
1944    /**
1945     * Broadcast Action:  External media has been removed.
1946     * The path to the mount point for the removed media is contained in the Intent.mData field.
1947     */
1948    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1949    public static final String ACTION_MEDIA_REMOVED = "android.intent.action.MEDIA_REMOVED";
1950
1951    /**
1952     * Broadcast Action:  External media is present, but not mounted at its mount point.
1953     * The path to the mount point for the unmounted media is contained in the Intent.mData field.
1954     */
1955    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1956    public static final String ACTION_MEDIA_UNMOUNTED = "android.intent.action.MEDIA_UNMOUNTED";
1957
1958    /**
1959     * Broadcast Action:  External media is present, and being disk-checked
1960     * The path to the mount point for the checking media is contained in the Intent.mData field.
1961     */
1962    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1963    public static final String ACTION_MEDIA_CHECKING = "android.intent.action.MEDIA_CHECKING";
1964
1965    /**
1966     * Broadcast Action:  External media is present, but is using an incompatible fs (or is blank)
1967     * The path to the mount point for the checking media is contained in the Intent.mData field.
1968     */
1969    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1970    public static final String ACTION_MEDIA_NOFS = "android.intent.action.MEDIA_NOFS";
1971
1972    /**
1973     * Broadcast Action:  External media is present and mounted at its mount point.
1974     * The path to the mount point for the mounted media is contained in the Intent.mData field.
1975     * The Intent contains an extra with name "read-only" and Boolean value to indicate if the
1976     * media was mounted read only.
1977     */
1978    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1979    public static final String ACTION_MEDIA_MOUNTED = "android.intent.action.MEDIA_MOUNTED";
1980
1981    /**
1982     * Broadcast Action:  External media is unmounted because it is being shared via USB mass storage.
1983     * The path to the mount point for the shared media is contained in the Intent.mData field.
1984     */
1985    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1986    public static final String ACTION_MEDIA_SHARED = "android.intent.action.MEDIA_SHARED";
1987
1988    /**
1989     * Broadcast Action:  External media is no longer being shared via USB mass storage.
1990     * The path to the mount point for the previously shared media is contained in the Intent.mData field.
1991     *
1992     * @hide
1993     */
1994    public static final String ACTION_MEDIA_UNSHARED = "android.intent.action.MEDIA_UNSHARED";
1995
1996    /**
1997     * Broadcast Action:  External media was removed from SD card slot, but mount point was not unmounted.
1998     * The path to the mount point for the removed media is contained in the Intent.mData field.
1999     */
2000    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2001    public static final String ACTION_MEDIA_BAD_REMOVAL = "android.intent.action.MEDIA_BAD_REMOVAL";
2002
2003    /**
2004     * Broadcast Action:  External media is present but cannot be mounted.
2005     * The path to the mount point for the unmountable media is contained in the Intent.mData field.
2006     */
2007    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2008    public static final String ACTION_MEDIA_UNMOUNTABLE = "android.intent.action.MEDIA_UNMOUNTABLE";
2009
2010   /**
2011     * Broadcast Action:  User has expressed the desire to remove the external storage media.
2012     * Applications should close all files they have open within the mount point when they receive this intent.
2013     * The path to the mount point for the media to be ejected is contained in the Intent.mData field.
2014     */
2015    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2016    public static final String ACTION_MEDIA_EJECT = "android.intent.action.MEDIA_EJECT";
2017
2018    /**
2019     * Broadcast Action:  The media scanner has started scanning a directory.
2020     * The path to the directory being scanned is contained in the Intent.mData field.
2021     */
2022    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2023    public static final String ACTION_MEDIA_SCANNER_STARTED = "android.intent.action.MEDIA_SCANNER_STARTED";
2024
2025   /**
2026     * Broadcast Action:  The media scanner has finished scanning a directory.
2027     * The path to the scanned directory is contained in the Intent.mData field.
2028     */
2029    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2030    public static final String ACTION_MEDIA_SCANNER_FINISHED = "android.intent.action.MEDIA_SCANNER_FINISHED";
2031
2032   /**
2033     * Broadcast Action:  Request the media scanner to scan a file and add it to the media database.
2034     * The path to the file is contained in the Intent.mData field.
2035     */
2036    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2037    public static final String ACTION_MEDIA_SCANNER_SCAN_FILE = "android.intent.action.MEDIA_SCANNER_SCAN_FILE";
2038
2039   /**
2040     * Broadcast Action:  The "Media Button" was pressed.  Includes a single
2041     * extra field, {@link #EXTRA_KEY_EVENT}, containing the key event that
2042     * caused the broadcast.
2043     */
2044    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2045    public static final String ACTION_MEDIA_BUTTON = "android.intent.action.MEDIA_BUTTON";
2046
2047    /**
2048     * Broadcast Action:  The "Camera Button" was pressed.  Includes a single
2049     * extra field, {@link #EXTRA_KEY_EVENT}, containing the key event that
2050     * caused the broadcast.
2051     */
2052    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2053    public static final String ACTION_CAMERA_BUTTON = "android.intent.action.CAMERA_BUTTON";
2054
2055    // *** NOTE: @todo(*) The following really should go into a more domain-specific
2056    // location; they are not general-purpose actions.
2057
2058    /**
2059     * Broadcast Action: A GTalk connection has been established.
2060     */
2061    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2062    public static final String ACTION_GTALK_SERVICE_CONNECTED =
2063            "android.intent.action.GTALK_CONNECTED";
2064
2065    /**
2066     * Broadcast Action: A GTalk connection has been disconnected.
2067     */
2068    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2069    public static final String ACTION_GTALK_SERVICE_DISCONNECTED =
2070            "android.intent.action.GTALK_DISCONNECTED";
2071
2072    /**
2073     * Broadcast Action: An input method has been changed.
2074     */
2075    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2076    public static final String ACTION_INPUT_METHOD_CHANGED =
2077            "android.intent.action.INPUT_METHOD_CHANGED";
2078
2079    /**
2080     * <p>Broadcast Action: The user has switched the phone into or out of Airplane Mode. One or
2081     * more radios have been turned off or on. The intent will have the following extra value:</p>
2082     * <ul>
2083     *   <li><em>state</em> - A boolean value indicating whether Airplane Mode is on. If true,
2084     *   then cell radio and possibly other radios such as bluetooth or WiFi may have also been
2085     *   turned off</li>
2086     * </ul>
2087     *
2088     * <p class="note">This is a protected intent that can only be sent
2089     * by the system.
2090     */
2091    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2092    public static final String ACTION_AIRPLANE_MODE_CHANGED = "android.intent.action.AIRPLANE_MODE";
2093
2094    /**
2095     * Broadcast Action: Some content providers have parts of their namespace
2096     * where they publish new events or items that the user may be especially
2097     * interested in. For these things, they may broadcast this action when the
2098     * set of interesting items change.
2099     *
2100     * For example, GmailProvider sends this notification when the set of unread
2101     * mail in the inbox changes.
2102     *
2103     * <p>The data of the intent identifies which part of which provider
2104     * changed. When queried through the content resolver, the data URI will
2105     * return the data set in question.
2106     *
2107     * <p>The intent will have the following extra values:
2108     * <ul>
2109     *   <li><em>count</em> - The number of items in the data set. This is the
2110     *       same as the number of items in the cursor returned by querying the
2111     *       data URI. </li>
2112     * </ul>
2113     *
2114     * This intent will be sent at boot (if the count is non-zero) and when the
2115     * data set changes. It is possible for the data set to change without the
2116     * count changing (for example, if a new unread message arrives in the same
2117     * sync operation in which a message is archived). The phone should still
2118     * ring/vibrate/etc as normal in this case.
2119     */
2120    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2121    public static final String ACTION_PROVIDER_CHANGED =
2122            "android.intent.action.PROVIDER_CHANGED";
2123
2124    /**
2125     * Broadcast Action: Wired Headset plugged in or unplugged.
2126     *
2127     * <p>The intent will have the following extra values:
2128     * <ul>
2129     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2130     *   <li><em>name</em> - Headset type, human readable string </li>
2131     *   <li><em>microphone</em> - 1 if headset has a microphone, 0 otherwise </li>
2132     * </ul>
2133     * </ul>
2134     */
2135    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2136    public static final String ACTION_HEADSET_PLUG =
2137            "android.intent.action.HEADSET_PLUG";
2138
2139    /**
2140     * Broadcast Action: An analog audio speaker/headset plugged in or unplugged.
2141     *
2142     * <p>The intent will have the following extra values:
2143     * <ul>
2144     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2145     *   <li><em>name</em> - Headset type, human readable string </li>
2146     * </ul>
2147     * </ul>
2148     * @hide
2149     */
2150    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2151    public static final String ACTION_ANALOG_AUDIO_DOCK_PLUG =
2152            "android.intent.action.ANALOG_AUDIO_DOCK_PLUG";
2153
2154    /**
2155     * Broadcast Action: A digital audio speaker/headset plugged in or unplugged.
2156     *
2157     * <p>The intent will have the following extra values:
2158     * <ul>
2159     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2160     *   <li><em>name</em> - Headset type, human readable string </li>
2161     * </ul>
2162     * </ul>
2163     * @hide
2164     */
2165    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2166    public static final String ACTION_DIGITAL_AUDIO_DOCK_PLUG =
2167            "android.intent.action.DIGITAL_AUDIO_DOCK_PLUG";
2168
2169    /**
2170     * Broadcast Action: A HMDI cable was plugged or unplugged
2171     *
2172     * <p>The intent will have the following extra values:
2173     * <ul>
2174     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2175     *   <li><em>name</em> - HDMI cable, human readable string </li>
2176     * </ul>
2177     * </ul>
2178     * @hide
2179     */
2180    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2181    public static final String ACTION_HDMI_AUDIO_PLUG =
2182            "android.intent.action.HDMI_AUDIO_PLUG";
2183
2184    /**
2185     * Broadcast Action: A USB audio accessory was plugged in or unplugged.
2186     *
2187     * <p>The intent will have the following extra values:
2188     * <ul>
2189     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2190     *   <li><em>card</em> - ALSA card number (integer) </li>
2191     *   <li><em>device</em> - ALSA device number (integer) </li>
2192     * </ul>
2193     * </ul>
2194     * @hide
2195     */
2196    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2197    public static final String ACTION_USB_AUDIO_ACCESSORY_PLUG =
2198            "android.intent.action.USB_AUDIO_ACCESSORY_PLUG";
2199
2200    /**
2201     * Broadcast Action: A USB audio device was plugged in or unplugged.
2202     *
2203     * <p>The intent will have the following extra values:
2204     * <ul>
2205     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2206     *   <li><em>card</em> - ALSA card number (integer) </li>
2207     *   <li><em>device</em> - ALSA device number (integer) </li>
2208     * </ul>
2209     * </ul>
2210     * @hide
2211     */
2212    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2213    public static final String ACTION_USB_AUDIO_DEVICE_PLUG =
2214            "android.intent.action.USB_AUDIO_DEVICE_PLUG";
2215
2216    /**
2217     * <p>Broadcast Action: The user has switched on advanced settings in the settings app:</p>
2218     * <ul>
2219     *   <li><em>state</em> - A boolean value indicating whether the settings is on or off.</li>
2220     * </ul>
2221     *
2222     * <p class="note">This is a protected intent that can only be sent
2223     * by the system.
2224     *
2225     * @hide
2226     */
2227    //@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2228    public static final String ACTION_ADVANCED_SETTINGS_CHANGED
2229            = "android.intent.action.ADVANCED_SETTINGS";
2230
2231    /**
2232     * Broadcast Action: An outgoing call is about to be placed.
2233     *
2234     * <p>The Intent will have the following extra value:</p>
2235     * <ul>
2236     *   <li><em>{@link android.content.Intent#EXTRA_PHONE_NUMBER}</em> -
2237     *       the phone number originally intended to be dialed.</li>
2238     * </ul>
2239     * <p>Once the broadcast is finished, the resultData is used as the actual
2240     * number to call.  If  <code>null</code>, no call will be placed.</p>
2241     * <p>It is perfectly acceptable for multiple receivers to process the
2242     * outgoing call in turn: for example, a parental control application
2243     * might verify that the user is authorized to place the call at that
2244     * time, then a number-rewriting application might add an area code if
2245     * one was not specified.</p>
2246     * <p>For consistency, any receiver whose purpose is to prohibit phone
2247     * calls should have a priority of 0, to ensure it will see the final
2248     * phone number to be dialed.
2249     * Any receiver whose purpose is to rewrite phone numbers to be called
2250     * should have a positive priority.
2251     * Negative priorities are reserved for the system for this broadcast;
2252     * using them may cause problems.</p>
2253     * <p>Emergency calls cannot be intercepted using this mechanism, and
2254     * other calls cannot be modified to call emergency numbers using this
2255     * mechanism.
2256     * <p>Some apps (such as VoIP apps) may want to redirect the outgoing
2257     * call to use their own service instead. Those apps should first prevent
2258     * the call from being placed by setting resultData to <code>null</code>
2259     * and then start their own app to make the call.
2260     * <p>You must hold the
2261     * {@link android.Manifest.permission#PROCESS_OUTGOING_CALLS}
2262     * permission to receive this Intent.</p>
2263     *
2264     * <p class="note">This is a protected intent that can only be sent
2265     * by the system.
2266     */
2267    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2268    public static final String ACTION_NEW_OUTGOING_CALL =
2269            "android.intent.action.NEW_OUTGOING_CALL";
2270
2271    /**
2272     * Broadcast Action: Have the device reboot.  This is only for use by
2273     * system code.
2274     *
2275     * <p class="note">This is a protected intent that can only be sent
2276     * by the system.
2277     */
2278    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2279    public static final String ACTION_REBOOT =
2280            "android.intent.action.REBOOT";
2281
2282    /**
2283     * Broadcast Action:  A sticky broadcast for changes in the physical
2284     * docking state of the device.
2285     *
2286     * <p>The intent will have the following extra values:
2287     * <ul>
2288     *   <li><em>{@link #EXTRA_DOCK_STATE}</em> - the current dock
2289     *       state, indicating which dock the device is physically in.</li>
2290     * </ul>
2291     * <p>This is intended for monitoring the current physical dock state.
2292     * See {@link android.app.UiModeManager} for the normal API dealing with
2293     * dock mode changes.
2294     */
2295    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2296    public static final String ACTION_DOCK_EVENT =
2297            "android.intent.action.DOCK_EVENT";
2298
2299    /**
2300     * Broadcast Action: a remote intent is to be broadcasted.
2301     *
2302     * A remote intent is used for remote RPC between devices. The remote intent
2303     * is serialized and sent from one device to another device. The receiving
2304     * device parses the remote intent and broadcasts it. Note that anyone can
2305     * broadcast a remote intent. However, if the intent receiver of the remote intent
2306     * does not trust intent broadcasts from arbitrary intent senders, it should require
2307     * the sender to hold certain permissions so only trusted sender's broadcast will be
2308     * let through.
2309     * @hide
2310     */
2311    public static final String ACTION_REMOTE_INTENT =
2312            "com.google.android.c2dm.intent.RECEIVE";
2313
2314    /**
2315     * Broadcast Action: hook for permforming cleanup after a system update.
2316     *
2317     * The broadcast is sent when the system is booting, before the
2318     * BOOT_COMPLETED broadcast.  It is only sent to receivers in the system
2319     * image.  A receiver for this should do its work and then disable itself
2320     * so that it does not get run again at the next boot.
2321     * @hide
2322     */
2323    public static final String ACTION_PRE_BOOT_COMPLETED =
2324            "android.intent.action.PRE_BOOT_COMPLETED";
2325
2326    /**
2327     * Sent the first time a user is starting, to allow system apps to
2328     * perform one time initialization.  (This will not be seen by third
2329     * party applications because a newly initialized user does not have any
2330     * third party applications installed for it.)  This is sent early in
2331     * starting the user, around the time the home app is started, before
2332     * {@link #ACTION_BOOT_COMPLETED} is sent.  This is sent as a foreground
2333     * broadcast, since it is part of a visible user interaction; be as quick
2334     * as possible when handling it.
2335     */
2336    public static final String ACTION_USER_INITIALIZE =
2337            "android.intent.action.USER_INITIALIZE";
2338
2339    /**
2340     * Sent when a user switch is happening, causing the process's user to be
2341     * brought to the foreground.  This is only sent to receivers registered
2342     * through {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
2343     * Context.registerReceiver}.  It is sent to the user that is going to the
2344     * foreground.  This is sent as a foreground
2345     * broadcast, since it is part of a visible user interaction; be as quick
2346     * as possible when handling it.
2347     */
2348    public static final String ACTION_USER_FOREGROUND =
2349            "android.intent.action.USER_FOREGROUND";
2350
2351    /**
2352     * Sent when a user switch is happening, causing the process's user to be
2353     * sent to the background.  This is only sent to receivers registered
2354     * through {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
2355     * Context.registerReceiver}.  It is sent to the user that is going to the
2356     * background.  This is sent as a foreground
2357     * broadcast, since it is part of a visible user interaction; be as quick
2358     * as possible when handling it.
2359     */
2360    public static final String ACTION_USER_BACKGROUND =
2361            "android.intent.action.USER_BACKGROUND";
2362
2363    /**
2364     * Broadcast sent to the system when a user is added. Carries an extra
2365     * EXTRA_USER_HANDLE that has the userHandle of the new user.  It is sent to
2366     * all running users.  You must hold
2367     * {@link android.Manifest.permission#MANAGE_USERS} to receive this broadcast.
2368     * @hide
2369     */
2370    public static final String ACTION_USER_ADDED =
2371            "android.intent.action.USER_ADDED";
2372
2373    /**
2374     * Broadcast sent by the system when a user is started. Carries an extra
2375     * EXTRA_USER_HANDLE that has the userHandle of the user.  This is only sent to
2376     * registered receivers, not manifest receivers.  It is sent to the user
2377     * that has been started.  This is sent as a foreground
2378     * broadcast, since it is part of a visible user interaction; be as quick
2379     * as possible when handling it.
2380     * @hide
2381     */
2382    public static final String ACTION_USER_STARTED =
2383            "android.intent.action.USER_STARTED";
2384
2385    /**
2386     * Broadcast sent when a user is in the process of starting.  Carries an extra
2387     * EXTRA_USER_HANDLE that has the userHandle of the user.  This is only
2388     * sent to registered receivers, not manifest receivers.  It is sent to all
2389     * users (including the one that is being started).  You must hold
2390     * {@link android.Manifest.permission#INTERACT_ACROSS_USERS} to receive
2391     * this broadcast.  This is sent as a background broadcast, since
2392     * its result is not part of the primary UX flow; to safely keep track of
2393     * started/stopped state of a user you can use this in conjunction with
2394     * {@link #ACTION_USER_STOPPING}.  It is <b>not</b> generally safe to use with
2395     * other user state broadcasts since those are foreground broadcasts so can
2396     * execute in a different order.
2397     * @hide
2398     */
2399    public static final String ACTION_USER_STARTING =
2400            "android.intent.action.USER_STARTING";
2401
2402    /**
2403     * Broadcast sent when a user is going to be stopped.  Carries an extra
2404     * EXTRA_USER_HANDLE that has the userHandle of the user.  This is only
2405     * sent to registered receivers, not manifest receivers.  It is sent to all
2406     * users (including the one that is being stopped).  You must hold
2407     * {@link android.Manifest.permission#INTERACT_ACROSS_USERS} to receive
2408     * this broadcast.  The user will not stop until all receivers have
2409     * handled the broadcast.  This is sent as a background broadcast, since
2410     * its result is not part of the primary UX flow; to safely keep track of
2411     * started/stopped state of a user you can use this in conjunction with
2412     * {@link #ACTION_USER_STARTING}.  It is <b>not</b> generally safe to use with
2413     * other user state broadcasts since those are foreground broadcasts so can
2414     * execute in a different order.
2415     * @hide
2416     */
2417    public static final String ACTION_USER_STOPPING =
2418            "android.intent.action.USER_STOPPING";
2419
2420    /**
2421     * Broadcast sent to the system when a user is stopped. Carries an extra
2422     * EXTRA_USER_HANDLE that has the userHandle of the user.  This is similar to
2423     * {@link #ACTION_PACKAGE_RESTARTED}, but for an entire user instead of a
2424     * specific package.  This is only sent to registered receivers, not manifest
2425     * receivers.  It is sent to all running users <em>except</em> the one that
2426     * has just been stopped (which is no longer running).
2427     * @hide
2428     */
2429    public static final String ACTION_USER_STOPPED =
2430            "android.intent.action.USER_STOPPED";
2431
2432    /**
2433     * Broadcast sent to the system when a user is removed. Carries an extra EXTRA_USER_HANDLE that has
2434     * the userHandle of the user.  It is sent to all running users except the
2435     * one that has been removed. The user will not be completely removed until all receivers have
2436     * handled the broadcast. You must hold
2437     * {@link android.Manifest.permission#MANAGE_USERS} to receive this broadcast.
2438     * @hide
2439     */
2440    public static final String ACTION_USER_REMOVED =
2441            "android.intent.action.USER_REMOVED";
2442
2443    /**
2444     * Broadcast sent to the system when the user switches. Carries an extra EXTRA_USER_HANDLE that has
2445     * the userHandle of the user to become the current one. This is only sent to
2446     * registered receivers, not manifest receivers.  It is sent to all running users.
2447     * You must hold
2448     * {@link android.Manifest.permission#MANAGE_USERS} to receive this broadcast.
2449     * @hide
2450     */
2451    public static final String ACTION_USER_SWITCHED =
2452            "android.intent.action.USER_SWITCHED";
2453
2454    /**
2455     * Broadcast sent to the system when a user's information changes. Carries an extra
2456     * {@link #EXTRA_USER_HANDLE} to indicate which user's information changed.
2457     * This is only sent to registered receivers, not manifest receivers. It is sent to the user
2458     * whose information has changed.
2459     * @hide
2460     */
2461    public static final String ACTION_USER_INFO_CHANGED =
2462            "android.intent.action.USER_INFO_CHANGED";
2463
2464    /**
2465     * Sent when the user taps on the clock widget in the system's "quick settings" area.
2466     */
2467    public static final String ACTION_QUICK_CLOCK =
2468            "android.intent.action.QUICK_CLOCK";
2469
2470    // ---------------------------------------------------------------------
2471    // ---------------------------------------------------------------------
2472    // Standard intent categories (see addCategory()).
2473
2474    /**
2475     * Set if the activity should be an option for the default action
2476     * (center press) to perform on a piece of data.  Setting this will
2477     * hide from the user any activities without it set when performing an
2478     * action on some data.  Note that this is normal -not- set in the
2479     * Intent when initiating an action -- it is for use in intent filters
2480     * specified in packages.
2481     */
2482    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2483    public static final String CATEGORY_DEFAULT = "android.intent.category.DEFAULT";
2484    /**
2485     * Activities that can be safely invoked from a browser must support this
2486     * category.  For example, if the user is viewing a web page or an e-mail
2487     * and clicks on a link in the text, the Intent generated execute that
2488     * link will require the BROWSABLE category, so that only activities
2489     * supporting this category will be considered as possible actions.  By
2490     * supporting this category, you are promising that there is nothing
2491     * damaging (without user intervention) that can happen by invoking any
2492     * matching Intent.
2493     */
2494    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2495    public static final String CATEGORY_BROWSABLE = "android.intent.category.BROWSABLE";
2496    /**
2497     * Set if the activity should be considered as an alternative action to
2498     * the data the user is currently viewing.  See also
2499     * {@link #CATEGORY_SELECTED_ALTERNATIVE} for an alternative action that
2500     * applies to the selection in a list of items.
2501     *
2502     * <p>Supporting this category means that you would like your activity to be
2503     * displayed in the set of alternative things the user can do, usually as
2504     * part of the current activity's options menu.  You will usually want to
2505     * include a specific label in the &lt;intent-filter&gt; of this action
2506     * describing to the user what it does.
2507     *
2508     * <p>The action of IntentFilter with this category is important in that it
2509     * describes the specific action the target will perform.  This generally
2510     * should not be a generic action (such as {@link #ACTION_VIEW}, but rather
2511     * a specific name such as "com.android.camera.action.CROP.  Only one
2512     * alternative of any particular action will be shown to the user, so using
2513     * a specific action like this makes sure that your alternative will be
2514     * displayed while also allowing other applications to provide their own
2515     * overrides of that particular action.
2516     */
2517    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2518    public static final String CATEGORY_ALTERNATIVE = "android.intent.category.ALTERNATIVE";
2519    /**
2520     * Set if the activity should be considered as an alternative selection
2521     * action to the data the user has currently selected.  This is like
2522     * {@link #CATEGORY_ALTERNATIVE}, but is used in activities showing a list
2523     * of items from which the user can select, giving them alternatives to the
2524     * default action that will be performed on it.
2525     */
2526    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2527    public static final String CATEGORY_SELECTED_ALTERNATIVE = "android.intent.category.SELECTED_ALTERNATIVE";
2528    /**
2529     * Intended to be used as a tab inside of a containing TabActivity.
2530     */
2531    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2532    public static final String CATEGORY_TAB = "android.intent.category.TAB";
2533    /**
2534     * Should be displayed in the top-level launcher.
2535     */
2536    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2537    public static final String CATEGORY_LAUNCHER = "android.intent.category.LAUNCHER";
2538    /**
2539     * Provides information about the package it is in; typically used if
2540     * a package does not contain a {@link #CATEGORY_LAUNCHER} to provide
2541     * a front-door to the user without having to be shown in the all apps list.
2542     */
2543    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2544    public static final String CATEGORY_INFO = "android.intent.category.INFO";
2545    /**
2546     * This is the home activity, that is the first activity that is displayed
2547     * when the device boots.
2548     */
2549    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2550    public static final String CATEGORY_HOME = "android.intent.category.HOME";
2551    /**
2552     * This activity is a preference panel.
2553     */
2554    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2555    public static final String CATEGORY_PREFERENCE = "android.intent.category.PREFERENCE";
2556    /**
2557     * This activity is a development preference panel.
2558     */
2559    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2560    public static final String CATEGORY_DEVELOPMENT_PREFERENCE = "android.intent.category.DEVELOPMENT_PREFERENCE";
2561    /**
2562     * Capable of running inside a parent activity container.
2563     */
2564    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2565    public static final String CATEGORY_EMBED = "android.intent.category.EMBED";
2566    /**
2567     * This activity allows the user to browse and download new applications.
2568     */
2569    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2570    public static final String CATEGORY_APP_MARKET = "android.intent.category.APP_MARKET";
2571    /**
2572     * This activity may be exercised by the monkey or other automated test tools.
2573     */
2574    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2575    public static final String CATEGORY_MONKEY = "android.intent.category.MONKEY";
2576    /**
2577     * To be used as a test (not part of the normal user experience).
2578     */
2579    public static final String CATEGORY_TEST = "android.intent.category.TEST";
2580    /**
2581     * To be used as a unit test (run through the Test Harness).
2582     */
2583    public static final String CATEGORY_UNIT_TEST = "android.intent.category.UNIT_TEST";
2584    /**
2585     * To be used as a sample code example (not part of the normal user
2586     * experience).
2587     */
2588    public static final String CATEGORY_SAMPLE_CODE = "android.intent.category.SAMPLE_CODE";
2589    /**
2590     * Used to indicate that a GET_CONTENT intent only wants URIs that can be opened with
2591     * ContentResolver.openInputStream. Openable URIs must support the columns in OpenableColumns
2592     * when queried, though it is allowable for those columns to be blank.
2593     */
2594    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2595    public static final String CATEGORY_OPENABLE = "android.intent.category.OPENABLE";
2596
2597    /**
2598     * To be used as code under test for framework instrumentation tests.
2599     */
2600    public static final String CATEGORY_FRAMEWORK_INSTRUMENTATION_TEST =
2601            "android.intent.category.FRAMEWORK_INSTRUMENTATION_TEST";
2602    /**
2603     * An activity to run when device is inserted into a car dock.
2604     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2605     * information, see {@link android.app.UiModeManager}.
2606     */
2607    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2608    public static final String CATEGORY_CAR_DOCK = "android.intent.category.CAR_DOCK";
2609    /**
2610     * An activity to run when device is inserted into a car dock.
2611     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2612     * information, see {@link android.app.UiModeManager}.
2613     */
2614    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2615    public static final String CATEGORY_DESK_DOCK = "android.intent.category.DESK_DOCK";
2616    /**
2617     * An activity to run when device is inserted into a analog (low end) dock.
2618     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2619     * information, see {@link android.app.UiModeManager}.
2620     */
2621    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2622    public static final String CATEGORY_LE_DESK_DOCK = "android.intent.category.LE_DESK_DOCK";
2623
2624    /**
2625     * An activity to run when device is inserted into a digital (high end) dock.
2626     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2627     * information, see {@link android.app.UiModeManager}.
2628     */
2629    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2630    public static final String CATEGORY_HE_DESK_DOCK = "android.intent.category.HE_DESK_DOCK";
2631
2632    /**
2633     * Used to indicate that the activity can be used in a car environment.
2634     */
2635    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2636    public static final String CATEGORY_CAR_MODE = "android.intent.category.CAR_MODE";
2637
2638    // ---------------------------------------------------------------------
2639    // ---------------------------------------------------------------------
2640    // Application launch intent categories (see addCategory()).
2641
2642    /**
2643     * Used with {@link #ACTION_MAIN} to launch the browser application.
2644     * The activity should be able to browse the Internet.
2645     * <p>NOTE: This should not be used as the primary key of an Intent,
2646     * since it will not result in the app launching with the correct
2647     * action and category.  Instead, use this with
2648     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2649     * Intent with this category in the selector.</p>
2650     */
2651    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2652    public static final String CATEGORY_APP_BROWSER = "android.intent.category.APP_BROWSER";
2653
2654    /**
2655     * Used with {@link #ACTION_MAIN} to launch the calculator application.
2656     * The activity should be able to perform standard arithmetic operations.
2657     * <p>NOTE: This should not be used as the primary key of an Intent,
2658     * since it will not result in the app launching with the correct
2659     * action and category.  Instead, use this with
2660     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2661     * Intent with this category in the selector.</p>
2662     */
2663    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2664    public static final String CATEGORY_APP_CALCULATOR = "android.intent.category.APP_CALCULATOR";
2665
2666    /**
2667     * Used with {@link #ACTION_MAIN} to launch the calendar application.
2668     * The activity should be able to view and manipulate calendar entries.
2669     * <p>NOTE: This should not be used as the primary key of an Intent,
2670     * since it will not result in the app launching with the correct
2671     * action and category.  Instead, use this with
2672     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2673     * Intent with this category in the selector.</p>
2674     */
2675    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2676    public static final String CATEGORY_APP_CALENDAR = "android.intent.category.APP_CALENDAR";
2677
2678    /**
2679     * Used with {@link #ACTION_MAIN} to launch the contacts application.
2680     * The activity should be able to view and manipulate address book entries.
2681     * <p>NOTE: This should not be used as the primary key of an Intent,
2682     * since it will not result in the app launching with the correct
2683     * action and category.  Instead, use this with
2684     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2685     * Intent with this category in the selector.</p>
2686     */
2687    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2688    public static final String CATEGORY_APP_CONTACTS = "android.intent.category.APP_CONTACTS";
2689
2690    /**
2691     * Used with {@link #ACTION_MAIN} to launch the email application.
2692     * The activity should be able to send and receive email.
2693     * <p>NOTE: This should not be used as the primary key of an Intent,
2694     * since it will not result in the app launching with the correct
2695     * action and category.  Instead, use this with
2696     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2697     * Intent with this category in the selector.</p>
2698     */
2699    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2700    public static final String CATEGORY_APP_EMAIL = "android.intent.category.APP_EMAIL";
2701
2702    /**
2703     * Used with {@link #ACTION_MAIN} to launch the gallery application.
2704     * The activity should be able to view and manipulate image and video files
2705     * stored on the device.
2706     * <p>NOTE: This should not be used as the primary key of an Intent,
2707     * since it will not result in the app launching with the correct
2708     * action and category.  Instead, use this with
2709     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2710     * Intent with this category in the selector.</p>
2711     */
2712    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2713    public static final String CATEGORY_APP_GALLERY = "android.intent.category.APP_GALLERY";
2714
2715    /**
2716     * Used with {@link #ACTION_MAIN} to launch the maps application.
2717     * The activity should be able to show the user's current location and surroundings.
2718     * <p>NOTE: This should not be used as the primary key of an Intent,
2719     * since it will not result in the app launching with the correct
2720     * action and category.  Instead, use this with
2721     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2722     * Intent with this category in the selector.</p>
2723     */
2724    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2725    public static final String CATEGORY_APP_MAPS = "android.intent.category.APP_MAPS";
2726
2727    /**
2728     * Used with {@link #ACTION_MAIN} to launch the messaging application.
2729     * The activity should be able to send and receive text messages.
2730     * <p>NOTE: This should not be used as the primary key of an Intent,
2731     * since it will not result in the app launching with the correct
2732     * action and category.  Instead, use this with
2733     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2734     * Intent with this category in the selector.</p>
2735     */
2736    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2737    public static final String CATEGORY_APP_MESSAGING = "android.intent.category.APP_MESSAGING";
2738
2739    /**
2740     * Used with {@link #ACTION_MAIN} to launch the music application.
2741     * The activity should be able to play, browse, or manipulate music files
2742     * stored on the device.
2743     * <p>NOTE: This should not be used as the primary key of an Intent,
2744     * since it will not result in the app launching with the correct
2745     * action and category.  Instead, use this with
2746     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2747     * Intent with this category in the selector.</p>
2748     */
2749    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2750    public static final String CATEGORY_APP_MUSIC = "android.intent.category.APP_MUSIC";
2751
2752    // ---------------------------------------------------------------------
2753    // ---------------------------------------------------------------------
2754    // Standard extra data keys.
2755
2756    /**
2757     * The initial data to place in a newly created record.  Use with
2758     * {@link #ACTION_INSERT}.  The data here is a Map containing the same
2759     * fields as would be given to the underlying ContentProvider.insert()
2760     * call.
2761     */
2762    public static final String EXTRA_TEMPLATE = "android.intent.extra.TEMPLATE";
2763
2764    /**
2765     * A constant CharSequence that is associated with the Intent, used with
2766     * {@link #ACTION_SEND} to supply the literal data to be sent.  Note that
2767     * this may be a styled CharSequence, so you must use
2768     * {@link Bundle#getCharSequence(String) Bundle.getCharSequence()} to
2769     * retrieve it.
2770     */
2771    public static final String EXTRA_TEXT = "android.intent.extra.TEXT";
2772
2773    /**
2774     * A constant String that is associated with the Intent, used with
2775     * {@link #ACTION_SEND} to supply an alternative to {@link #EXTRA_TEXT}
2776     * as HTML formatted text.  Note that you <em>must</em> also supply
2777     * {@link #EXTRA_TEXT}.
2778     */
2779    public static final String EXTRA_HTML_TEXT = "android.intent.extra.HTML_TEXT";
2780
2781    /**
2782     * A content: URI holding a stream of data associated with the Intent,
2783     * used with {@link #ACTION_SEND} to supply the data being sent.
2784     */
2785    public static final String EXTRA_STREAM = "android.intent.extra.STREAM";
2786
2787    /**
2788     * A String[] holding e-mail addresses that should be delivered to.
2789     */
2790    public static final String EXTRA_EMAIL       = "android.intent.extra.EMAIL";
2791
2792    /**
2793     * A String[] holding e-mail addresses that should be carbon copied.
2794     */
2795    public static final String EXTRA_CC       = "android.intent.extra.CC";
2796
2797    /**
2798     * A String[] holding e-mail addresses that should be blind carbon copied.
2799     */
2800    public static final String EXTRA_BCC      = "android.intent.extra.BCC";
2801
2802    /**
2803     * A constant string holding the desired subject line of a message.
2804     */
2805    public static final String EXTRA_SUBJECT  = "android.intent.extra.SUBJECT";
2806
2807    /**
2808     * An Intent describing the choices you would like shown with
2809     * {@link #ACTION_PICK_ACTIVITY}.
2810     */
2811    public static final String EXTRA_INTENT = "android.intent.extra.INTENT";
2812
2813    /**
2814     * A CharSequence dialog title to provide to the user when used with a
2815     * {@link #ACTION_CHOOSER}.
2816     */
2817    public static final String EXTRA_TITLE = "android.intent.extra.TITLE";
2818
2819    /**
2820     * A Parcelable[] of {@link Intent} or
2821     * {@link android.content.pm.LabeledIntent} objects as set with
2822     * {@link #putExtra(String, Parcelable[])} of additional activities to place
2823     * a the front of the list of choices, when shown to the user with a
2824     * {@link #ACTION_CHOOSER}.
2825     */
2826    public static final String EXTRA_INITIAL_INTENTS = "android.intent.extra.INITIAL_INTENTS";
2827
2828    /**
2829     * A {@link android.view.KeyEvent} object containing the event that
2830     * triggered the creation of the Intent it is in.
2831     */
2832    public static final String EXTRA_KEY_EVENT = "android.intent.extra.KEY_EVENT";
2833
2834    /**
2835     * Set to true in {@link #ACTION_REQUEST_SHUTDOWN} to request confirmation from the user
2836     * before shutting down.
2837     *
2838     * {@hide}
2839     */
2840    public static final String EXTRA_KEY_CONFIRM = "android.intent.extra.KEY_CONFIRM";
2841
2842    /**
2843     * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} or
2844     * {@link android.content.Intent#ACTION_PACKAGE_CHANGED} intents to override the default action
2845     * of restarting the application.
2846     */
2847    public static final String EXTRA_DONT_KILL_APP = "android.intent.extra.DONT_KILL_APP";
2848
2849    /**
2850     * A String holding the phone number originally entered in
2851     * {@link android.content.Intent#ACTION_NEW_OUTGOING_CALL}, or the actual
2852     * number to call in a {@link android.content.Intent#ACTION_CALL}.
2853     */
2854    public static final String EXTRA_PHONE_NUMBER = "android.intent.extra.PHONE_NUMBER";
2855
2856    /**
2857     * Used as an int extra field in {@link android.content.Intent#ACTION_UID_REMOVED}
2858     * intents to supply the uid the package had been assigned.  Also an optional
2859     * extra in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} or
2860     * {@link android.content.Intent#ACTION_PACKAGE_CHANGED} for the same
2861     * purpose.
2862     */
2863    public static final String EXTRA_UID = "android.intent.extra.UID";
2864
2865    /**
2866     * @hide String array of package names.
2867     */
2868    public static final String EXTRA_PACKAGES = "android.intent.extra.PACKAGES";
2869
2870    /**
2871     * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED}
2872     * intents to indicate whether this represents a full uninstall (removing
2873     * both the code and its data) or a partial uninstall (leaving its data,
2874     * implying that this is an update).
2875     */
2876    public static final String EXTRA_DATA_REMOVED = "android.intent.extra.DATA_REMOVED";
2877
2878    /**
2879     * @hide
2880     * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED}
2881     * intents to indicate that at this point the package has been removed for
2882     * all users on the device.
2883     */
2884    public static final String EXTRA_REMOVED_FOR_ALL_USERS
2885            = "android.intent.extra.REMOVED_FOR_ALL_USERS";
2886
2887    /**
2888     * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED}
2889     * intents to indicate that this is a replacement of the package, so this
2890     * broadcast will immediately be followed by an add broadcast for a
2891     * different version of the same package.
2892     */
2893    public static final String EXTRA_REPLACING = "android.intent.extra.REPLACING";
2894
2895    /**
2896     * Used as an int extra field in {@link android.app.AlarmManager} intents
2897     * to tell the application being invoked how many pending alarms are being
2898     * delievered with the intent.  For one-shot alarms this will always be 1.
2899     * For recurring alarms, this might be greater than 1 if the device was
2900     * asleep or powered off at the time an earlier alarm would have been
2901     * delivered.
2902     */
2903    public static final String EXTRA_ALARM_COUNT = "android.intent.extra.ALARM_COUNT";
2904
2905    /**
2906     * Used as an int extra field in {@link android.content.Intent#ACTION_DOCK_EVENT}
2907     * intents to request the dock state.  Possible values are
2908     * {@link android.content.Intent#EXTRA_DOCK_STATE_UNDOCKED},
2909     * {@link android.content.Intent#EXTRA_DOCK_STATE_DESK}, or
2910     * {@link android.content.Intent#EXTRA_DOCK_STATE_CAR}, or
2911     * {@link android.content.Intent#EXTRA_DOCK_STATE_LE_DESK}, or
2912     * {@link android.content.Intent#EXTRA_DOCK_STATE_HE_DESK}.
2913     */
2914    public static final String EXTRA_DOCK_STATE = "android.intent.extra.DOCK_STATE";
2915
2916    /**
2917     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
2918     * to represent that the phone is not in any dock.
2919     */
2920    public static final int EXTRA_DOCK_STATE_UNDOCKED = 0;
2921
2922    /**
2923     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
2924     * to represent that the phone is in a desk dock.
2925     */
2926    public static final int EXTRA_DOCK_STATE_DESK = 1;
2927
2928    /**
2929     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
2930     * to represent that the phone is in a car dock.
2931     */
2932    public static final int EXTRA_DOCK_STATE_CAR = 2;
2933
2934    /**
2935     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
2936     * to represent that the phone is in a analog (low end) dock.
2937     */
2938    public static final int EXTRA_DOCK_STATE_LE_DESK = 3;
2939
2940    /**
2941     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
2942     * to represent that the phone is in a digital (high end) dock.
2943     */
2944    public static final int EXTRA_DOCK_STATE_HE_DESK = 4;
2945
2946    /**
2947     * Boolean that can be supplied as meta-data with a dock activity, to
2948     * indicate that the dock should take over the home key when it is active.
2949     */
2950    public static final String METADATA_DOCK_HOME = "android.dock_home";
2951
2952    /**
2953     * Used as a parcelable extra field in {@link #ACTION_APP_ERROR}, containing
2954     * the bug report.
2955     */
2956    public static final String EXTRA_BUG_REPORT = "android.intent.extra.BUG_REPORT";
2957
2958    /**
2959     * Used in the extra field in the remote intent. It's astring token passed with the
2960     * remote intent.
2961     */
2962    public static final String EXTRA_REMOTE_INTENT_TOKEN =
2963            "android.intent.extra.remote_intent_token";
2964
2965    /**
2966     * @deprecated See {@link #EXTRA_CHANGED_COMPONENT_NAME_LIST}; this field
2967     * will contain only the first name in the list.
2968     */
2969    @Deprecated public static final String EXTRA_CHANGED_COMPONENT_NAME =
2970            "android.intent.extra.changed_component_name";
2971
2972    /**
2973     * This field is part of {@link android.content.Intent#ACTION_PACKAGE_CHANGED},
2974     * and contains a string array of all of the components that have changed.
2975     */
2976    public static final String EXTRA_CHANGED_COMPONENT_NAME_LIST =
2977            "android.intent.extra.changed_component_name_list";
2978
2979    /**
2980     * This field is part of
2981     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_AVAILABLE},
2982     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE}
2983     * and contains a string array of all of the components that have changed.
2984     */
2985    public static final String EXTRA_CHANGED_PACKAGE_LIST =
2986            "android.intent.extra.changed_package_list";
2987
2988    /**
2989     * This field is part of
2990     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_AVAILABLE},
2991     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE}
2992     * and contains an integer array of uids of all of the components
2993     * that have changed.
2994     */
2995    public static final String EXTRA_CHANGED_UID_LIST =
2996            "android.intent.extra.changed_uid_list";
2997
2998    /**
2999     * @hide
3000     * Magic extra system code can use when binding, to give a label for
3001     * who it is that has bound to a service.  This is an integer giving
3002     * a framework string resource that can be displayed to the user.
3003     */
3004    public static final String EXTRA_CLIENT_LABEL =
3005            "android.intent.extra.client_label";
3006
3007    /**
3008     * @hide
3009     * Magic extra system code can use when binding, to give a PendingIntent object
3010     * that can be launched for the user to disable the system's use of this
3011     * service.
3012     */
3013    public static final String EXTRA_CLIENT_INTENT =
3014            "android.intent.extra.client_intent";
3015
3016    /**
3017     * Used to indicate that a {@link #ACTION_GET_CONTENT} intent should only return
3018     * data that is on the local device.  This is a boolean extra; the default
3019     * is false.  If true, an implementation of ACTION_GET_CONTENT should only allow
3020     * the user to select media that is already on the device, not requiring it
3021     * be downloaded from a remote service when opened.  Another way to look
3022     * at it is that such content should generally have a "_data" column to the
3023     * path of the content on local external storage.
3024     */
3025    public static final String EXTRA_LOCAL_ONLY =
3026        "android.intent.extra.LOCAL_ONLY";
3027
3028    /**
3029     * The userHandle carried with broadcast intents related to addition, removal and switching of users
3030     * - {@link #ACTION_USER_ADDED}, {@link #ACTION_USER_REMOVED} and {@link #ACTION_USER_SWITCHED}.
3031     * @hide
3032     */
3033    public static final String EXTRA_USER_HANDLE =
3034            "android.intent.extra.user_handle";
3035
3036    // ---------------------------------------------------------------------
3037    // ---------------------------------------------------------------------
3038    // Intent flags (see mFlags variable).
3039
3040    /**
3041     * If set, the recipient of this Intent will be granted permission to
3042     * perform read operations on the Uri in the Intent's data and any URIs
3043     * specified in its ClipData.  When applying to an Intent's ClipData,
3044     * all URIs as well as recursive traversals through data or other ClipData
3045     * in Intent items will be granted; only the grant flags of the top-level
3046     * Intent are used.
3047     */
3048    public static final int FLAG_GRANT_READ_URI_PERMISSION = 0x00000001;
3049    /**
3050     * If set, the recipient of this Intent will be granted permission to
3051     * perform write operations on the Uri in the Intent's data and any URIs
3052     * specified in its ClipData.  When applying to an Intent's ClipData,
3053     * all URIs as well as recursive traversals through data or other ClipData
3054     * in Intent items will be granted; only the grant flags of the top-level
3055     * Intent are used.
3056     */
3057    public static final int FLAG_GRANT_WRITE_URI_PERMISSION = 0x00000002;
3058    /**
3059     * Can be set by the caller to indicate that this Intent is coming from
3060     * a background operation, not from direct user interaction.
3061     */
3062    public static final int FLAG_FROM_BACKGROUND = 0x00000004;
3063    /**
3064     * A flag you can enable for debugging: when set, log messages will be
3065     * printed during the resolution of this intent to show you what has
3066     * been found to create the final resolved list.
3067     */
3068    public static final int FLAG_DEBUG_LOG_RESOLUTION = 0x00000008;
3069    /**
3070     * If set, this intent will not match any components in packages that
3071     * are currently stopped.  If this is not set, then the default behavior
3072     * is to include such applications in the result.
3073     */
3074    public static final int FLAG_EXCLUDE_STOPPED_PACKAGES = 0x00000010;
3075    /**
3076     * If set, this intent will always match any components in packages that
3077     * are currently stopped.  This is the default behavior when
3078     * {@link #FLAG_EXCLUDE_STOPPED_PACKAGES} is not set.  If both of these
3079     * flags are set, this one wins (it allows overriding of exclude for
3080     * places where the framework may automatically set the exclude flag).
3081     */
3082    public static final int FLAG_INCLUDE_STOPPED_PACKAGES = 0x00000020;
3083
3084    /**
3085     * If set, the new activity is not kept in the history stack.  As soon as
3086     * the user navigates away from it, the activity is finished.  This may also
3087     * be set with the {@link android.R.styleable#AndroidManifestActivity_noHistory
3088     * noHistory} attribute.
3089     */
3090    public static final int FLAG_ACTIVITY_NO_HISTORY = 0x40000000;
3091    /**
3092     * If set, the activity will not be launched if it is already running
3093     * at the top of the history stack.
3094     */
3095    public static final int FLAG_ACTIVITY_SINGLE_TOP = 0x20000000;
3096    /**
3097     * If set, this activity will become the start of a new task on this
3098     * history stack.  A task (from the activity that started it to the
3099     * next task activity) defines an atomic group of activities that the
3100     * user can move to.  Tasks can be moved to the foreground and background;
3101     * all of the activities inside of a particular task always remain in
3102     * the same order.  See
3103     * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back
3104     * Stack</a> for more information about tasks.
3105     *
3106     * <p>This flag is generally used by activities that want
3107     * to present a "launcher" style behavior: they give the user a list of
3108     * separate things that can be done, which otherwise run completely
3109     * independently of the activity launching them.
3110     *
3111     * <p>When using this flag, if a task is already running for the activity
3112     * you are now starting, then a new activity will not be started; instead,
3113     * the current task will simply be brought to the front of the screen with
3114     * the state it was last in.  See {@link #FLAG_ACTIVITY_MULTIPLE_TASK} for a flag
3115     * to disable this behavior.
3116     *
3117     * <p>This flag can not be used when the caller is requesting a result from
3118     * the activity being launched.
3119     */
3120    public static final int FLAG_ACTIVITY_NEW_TASK = 0x10000000;
3121    /**
3122     * <strong>Do not use this flag unless you are implementing your own
3123     * top-level application launcher.</strong>  Used in conjunction with
3124     * {@link #FLAG_ACTIVITY_NEW_TASK} to disable the
3125     * behavior of bringing an existing task to the foreground.  When set,
3126     * a new task is <em>always</em> started to host the Activity for the
3127     * Intent, regardless of whether there is already an existing task running
3128     * the same thing.
3129     *
3130     * <p><strong>Because the default system does not include graphical task management,
3131     * you should not use this flag unless you provide some way for a user to
3132     * return back to the tasks you have launched.</strong>
3133     *
3134     * <p>This flag is ignored if
3135     * {@link #FLAG_ACTIVITY_NEW_TASK} is not set.
3136     *
3137     * <p>See
3138     * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back
3139     * Stack</a> for more information about tasks.
3140     */
3141    public static final int FLAG_ACTIVITY_MULTIPLE_TASK = 0x08000000;
3142    /**
3143     * If set, and the activity being launched is already running in the
3144     * current task, then instead of launching a new instance of that activity,
3145     * all of the other activities on top of it will be closed and this Intent
3146     * will be delivered to the (now on top) old activity as a new Intent.
3147     *
3148     * <p>For example, consider a task consisting of the activities: A, B, C, D.
3149     * If D calls startActivity() with an Intent that resolves to the component
3150     * of activity B, then C and D will be finished and B receive the given
3151     * Intent, resulting in the stack now being: A, B.
3152     *
3153     * <p>The currently running instance of activity B in the above example will
3154     * either receive the new intent you are starting here in its
3155     * onNewIntent() method, or be itself finished and restarted with the
3156     * new intent.  If it has declared its launch mode to be "multiple" (the
3157     * default) and you have not set {@link #FLAG_ACTIVITY_SINGLE_TOP} in
3158     * the same intent, then it will be finished and re-created; for all other
3159     * launch modes or if {@link #FLAG_ACTIVITY_SINGLE_TOP} is set then this
3160     * Intent will be delivered to the current instance's onNewIntent().
3161     *
3162     * <p>This launch mode can also be used to good effect in conjunction with
3163     * {@link #FLAG_ACTIVITY_NEW_TASK}: if used to start the root activity
3164     * of a task, it will bring any currently running instance of that task
3165     * to the foreground, and then clear it to its root state.  This is
3166     * especially useful, for example, when launching an activity from the
3167     * notification manager.
3168     *
3169     * <p>See
3170     * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back
3171     * Stack</a> for more information about tasks.
3172     */
3173    public static final int FLAG_ACTIVITY_CLEAR_TOP = 0x04000000;
3174    /**
3175     * If set and this intent is being used to launch a new activity from an
3176     * existing one, then the reply target of the existing activity will be
3177     * transfered to the new activity.  This way the new activity can call
3178     * {@link android.app.Activity#setResult} and have that result sent back to
3179     * the reply target of the original activity.
3180     */
3181    public static final int FLAG_ACTIVITY_FORWARD_RESULT = 0x02000000;
3182    /**
3183     * If set and this intent is being used to launch a new activity from an
3184     * existing one, the current activity will not be counted as the top
3185     * activity for deciding whether the new intent should be delivered to
3186     * the top instead of starting a new one.  The previous activity will
3187     * be used as the top, with the assumption being that the current activity
3188     * will finish itself immediately.
3189     */
3190    public static final int FLAG_ACTIVITY_PREVIOUS_IS_TOP = 0x01000000;
3191    /**
3192     * If set, the new activity is not kept in the list of recently launched
3193     * activities.
3194     */
3195    public static final int FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS = 0x00800000;
3196    /**
3197     * This flag is not normally set by application code, but set for you by
3198     * the system as described in the
3199     * {@link android.R.styleable#AndroidManifestActivity_launchMode
3200     * launchMode} documentation for the singleTask mode.
3201     */
3202    public static final int FLAG_ACTIVITY_BROUGHT_TO_FRONT = 0x00400000;
3203    /**
3204     * If set, and this activity is either being started in a new task or
3205     * bringing to the top an existing task, then it will be launched as
3206     * the front door of the task.  This will result in the application of
3207     * any affinities needed to have that task in the proper state (either
3208     * moving activities to or from it), or simply resetting that task to
3209     * its initial state if needed.
3210     */
3211    public static final int FLAG_ACTIVITY_RESET_TASK_IF_NEEDED = 0x00200000;
3212    /**
3213     * This flag is not normally set by application code, but set for you by
3214     * the system if this activity is being launched from history
3215     * (longpress home key).
3216     */
3217    public static final int FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY = 0x00100000;
3218    /**
3219     * If set, this marks a point in the task's activity stack that should
3220     * be cleared when the task is reset.  That is, the next time the task
3221     * is brought to the foreground with
3222     * {@link #FLAG_ACTIVITY_RESET_TASK_IF_NEEDED} (typically as a result of
3223     * the user re-launching it from home), this activity and all on top of
3224     * it will be finished so that the user does not return to them, but
3225     * instead returns to whatever activity preceeded it.
3226     *
3227     * <p>This is useful for cases where you have a logical break in your
3228     * application.  For example, an e-mail application may have a command
3229     * to view an attachment, which launches an image view activity to
3230     * display it.  This activity should be part of the e-mail application's
3231     * task, since it is a part of the task the user is involved in.  However,
3232     * if the user leaves that task, and later selects the e-mail app from
3233     * home, we may like them to return to the conversation they were
3234     * viewing, not the picture attachment, since that is confusing.  By
3235     * setting this flag when launching the image viewer, that viewer and
3236     * any activities it starts will be removed the next time the user returns
3237     * to mail.
3238     */
3239    public static final int FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET = 0x00080000;
3240    /**
3241     * If set, this flag will prevent the normal {@link android.app.Activity#onUserLeaveHint}
3242     * callback from occurring on the current frontmost activity before it is
3243     * paused as the newly-started activity is brought to the front.
3244     *
3245     * <p>Typically, an activity can rely on that callback to indicate that an
3246     * explicit user action has caused their activity to be moved out of the
3247     * foreground. The callback marks an appropriate point in the activity's
3248     * lifecycle for it to dismiss any notifications that it intends to display
3249     * "until the user has seen them," such as a blinking LED.
3250     *
3251     * <p>If an activity is ever started via any non-user-driven events such as
3252     * phone-call receipt or an alarm handler, this flag should be passed to {@link
3253     * Context#startActivity Context.startActivity}, ensuring that the pausing
3254     * activity does not think the user has acknowledged its notification.
3255     */
3256    public static final int FLAG_ACTIVITY_NO_USER_ACTION = 0x00040000;
3257    /**
3258     * If set in an Intent passed to {@link Context#startActivity Context.startActivity()},
3259     * this flag will cause the launched activity to be brought to the front of its
3260     * task's history stack if it is already running.
3261     *
3262     * <p>For example, consider a task consisting of four activities: A, B, C, D.
3263     * If D calls startActivity() with an Intent that resolves to the component
3264     * of activity B, then B will be brought to the front of the history stack,
3265     * with this resulting order:  A, C, D, B.
3266     *
3267     * This flag will be ignored if {@link #FLAG_ACTIVITY_CLEAR_TOP} is also
3268     * specified.
3269     */
3270    public static final int FLAG_ACTIVITY_REORDER_TO_FRONT = 0X00020000;
3271    /**
3272     * If set in an Intent passed to {@link Context#startActivity Context.startActivity()},
3273     * this flag will prevent the system from applying an activity transition
3274     * animation to go to the next activity state.  This doesn't mean an
3275     * animation will never run -- if another activity change happens that doesn't
3276     * specify this flag before the activity started here is displayed, then
3277     * that transition will be used.  This flag can be put to good use
3278     * when you are going to do a series of activity operations but the
3279     * animation seen by the user shouldn't be driven by the first activity
3280     * change but rather a later one.
3281     */
3282    public static final int FLAG_ACTIVITY_NO_ANIMATION = 0X00010000;
3283    /**
3284     * If set in an Intent passed to {@link Context#startActivity Context.startActivity()},
3285     * this flag will cause any existing task that would be associated with the
3286     * activity to be cleared before the activity is started.  That is, the activity
3287     * becomes the new root of an otherwise empty task, and any old activities
3288     * are finished.  This can only be used in conjunction with {@link #FLAG_ACTIVITY_NEW_TASK}.
3289     */
3290    public static final int FLAG_ACTIVITY_CLEAR_TASK = 0X00008000;
3291    /**
3292     * If set in an Intent passed to {@link Context#startActivity Context.startActivity()},
3293     * this flag will cause a newly launching task to be placed on top of the current
3294     * home activity task (if there is one).  That is, pressing back from the task
3295     * will always return the user to home even if that was not the last activity they
3296     * saw.   This can only be used in conjunction with {@link #FLAG_ACTIVITY_NEW_TASK}.
3297     */
3298    public static final int FLAG_ACTIVITY_TASK_ON_HOME = 0X00004000;
3299    /**
3300     * If set, when sending a broadcast only registered receivers will be
3301     * called -- no BroadcastReceiver components will be launched.
3302     */
3303    public static final int FLAG_RECEIVER_REGISTERED_ONLY = 0x40000000;
3304    /**
3305     * If set, when sending a broadcast the new broadcast will replace
3306     * any existing pending broadcast that matches it.  Matching is defined
3307     * by {@link Intent#filterEquals(Intent) Intent.filterEquals} returning
3308     * true for the intents of the two broadcasts.  When a match is found,
3309     * the new broadcast (and receivers associated with it) will replace the
3310     * existing one in the pending broadcast list, remaining at the same
3311     * position in the list.
3312     *
3313     * <p>This flag is most typically used with sticky broadcasts, which
3314     * only care about delivering the most recent values of the broadcast
3315     * to their receivers.
3316     */
3317    public static final int FLAG_RECEIVER_REPLACE_PENDING = 0x20000000;
3318    /**
3319     * If set, when sending a broadcast the recipient is allowed to run at
3320     * foreground priority, with a shorter timeout interval.  During normal
3321     * broadcasts the receivers are not automatically hoisted out of the
3322     * background priority class.
3323     */
3324    public static final int FLAG_RECEIVER_FOREGROUND = 0x10000000;
3325    /**
3326     * If set, when sending a broadcast <i>before boot has completed</i> only
3327     * registered receivers will be called -- no BroadcastReceiver components
3328     * will be launched.  Sticky intent state will be recorded properly even
3329     * if no receivers wind up being called.  If {@link #FLAG_RECEIVER_REGISTERED_ONLY}
3330     * is specified in the broadcast intent, this flag is unnecessary.
3331     *
3332     * <p>This flag is only for use by system sevices as a convenience to
3333     * avoid having to implement a more complex mechanism around detection
3334     * of boot completion.
3335     *
3336     * @hide
3337     */
3338    public static final int FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT = 0x08000000;
3339    /**
3340     * Set when this broadcast is for a boot upgrade, a special mode that
3341     * allows the broadcast to be sent before the system is ready and launches
3342     * the app process with no providers running in it.
3343     * @hide
3344     */
3345    public static final int FLAG_RECEIVER_BOOT_UPGRADE = 0x04000000;
3346
3347    /**
3348     * @hide Flags that can't be changed with PendingIntent.
3349     */
3350    public static final int IMMUTABLE_FLAGS =
3351            FLAG_GRANT_READ_URI_PERMISSION
3352            | FLAG_GRANT_WRITE_URI_PERMISSION;
3353
3354    // ---------------------------------------------------------------------
3355    // ---------------------------------------------------------------------
3356    // toUri() and parseUri() options.
3357
3358    /**
3359     * Flag for use with {@link #toUri} and {@link #parseUri}: the URI string
3360     * always has the "intent:" scheme.  This syntax can be used when you want
3361     * to later disambiguate between URIs that are intended to describe an
3362     * Intent vs. all others that should be treated as raw URIs.  When used
3363     * with {@link #parseUri}, any other scheme will result in a generic
3364     * VIEW action for that raw URI.
3365     */
3366    public static final int URI_INTENT_SCHEME = 1<<0;
3367
3368    // ---------------------------------------------------------------------
3369
3370    private String mAction;
3371    private Uri mData;
3372    private String mType;
3373    private String mPackage;
3374    private ComponentName mComponent;
3375    private int mFlags;
3376    private HashSet<String> mCategories;
3377    private Bundle mExtras;
3378    private Rect mSourceBounds;
3379    private Intent mSelector;
3380    private ClipData mClipData;
3381
3382    // ---------------------------------------------------------------------
3383
3384    /**
3385     * Create an empty intent.
3386     */
3387    public Intent() {
3388    }
3389
3390    /**
3391     * Copy constructor.
3392     */
3393    public Intent(Intent o) {
3394        this.mAction = o.mAction;
3395        this.mData = o.mData;
3396        this.mType = o.mType;
3397        this.mPackage = o.mPackage;
3398        this.mComponent = o.mComponent;
3399        this.mFlags = o.mFlags;
3400        if (o.mCategories != null) {
3401            this.mCategories = new HashSet<String>(o.mCategories);
3402        }
3403        if (o.mExtras != null) {
3404            this.mExtras = new Bundle(o.mExtras);
3405        }
3406        if (o.mSourceBounds != null) {
3407            this.mSourceBounds = new Rect(o.mSourceBounds);
3408        }
3409        if (o.mSelector != null) {
3410            this.mSelector = new Intent(o.mSelector);
3411        }
3412        if (o.mClipData != null) {
3413            this.mClipData = new ClipData(o.mClipData);
3414        }
3415    }
3416
3417    @Override
3418    public Object clone() {
3419        return new Intent(this);
3420    }
3421
3422    private Intent(Intent o, boolean all) {
3423        this.mAction = o.mAction;
3424        this.mData = o.mData;
3425        this.mType = o.mType;
3426        this.mPackage = o.mPackage;
3427        this.mComponent = o.mComponent;
3428        if (o.mCategories != null) {
3429            this.mCategories = new HashSet<String>(o.mCategories);
3430        }
3431    }
3432
3433    /**
3434     * Make a clone of only the parts of the Intent that are relevant for
3435     * filter matching: the action, data, type, component, and categories.
3436     */
3437    public Intent cloneFilter() {
3438        return new Intent(this, false);
3439    }
3440
3441    /**
3442     * Create an intent with a given action.  All other fields (data, type,
3443     * class) are null.  Note that the action <em>must</em> be in a
3444     * namespace because Intents are used globally in the system -- for
3445     * example the system VIEW action is android.intent.action.VIEW; an
3446     * application's custom action would be something like
3447     * com.google.app.myapp.CUSTOM_ACTION.
3448     *
3449     * @param action The Intent action, such as ACTION_VIEW.
3450     */
3451    public Intent(String action) {
3452        setAction(action);
3453    }
3454
3455    /**
3456     * Create an intent with a given action and for a given data url.  Note
3457     * that the action <em>must</em> be in a namespace because Intents are
3458     * used globally in the system -- for example the system VIEW action is
3459     * android.intent.action.VIEW; an application's custom action would be
3460     * something like com.google.app.myapp.CUSTOM_ACTION.
3461     *
3462     * <p><em>Note: scheme and host name matching in the Android framework is
3463     * case-sensitive, unlike the formal RFC.  As a result,
3464     * you should always ensure that you write your Uri with these elements
3465     * using lower case letters, and normalize any Uris you receive from
3466     * outside of Android to ensure the scheme and host is lower case.</em></p>
3467     *
3468     * @param action The Intent action, such as ACTION_VIEW.
3469     * @param uri The Intent data URI.
3470     */
3471    public Intent(String action, Uri uri) {
3472        setAction(action);
3473        mData = uri;
3474    }
3475
3476    /**
3477     * Create an intent for a specific component.  All other fields (action, data,
3478     * type, class) are null, though they can be modified later with explicit
3479     * calls.  This provides a convenient way to create an intent that is
3480     * intended to execute a hard-coded class name, rather than relying on the
3481     * system to find an appropriate class for you; see {@link #setComponent}
3482     * for more information on the repercussions of this.
3483     *
3484     * @param packageContext A Context of the application package implementing
3485     * this class.
3486     * @param cls The component class that is to be used for the intent.
3487     *
3488     * @see #setClass
3489     * @see #setComponent
3490     * @see #Intent(String, android.net.Uri , Context, Class)
3491     */
3492    public Intent(Context packageContext, Class<?> cls) {
3493        mComponent = new ComponentName(packageContext, cls);
3494    }
3495
3496    /**
3497     * Create an intent for a specific component with a specified action and data.
3498     * This is equivalent using {@link #Intent(String, android.net.Uri)} to
3499     * construct the Intent and then calling {@link #setClass} to set its
3500     * class.
3501     *
3502     * <p><em>Note: scheme and host name matching in the Android framework is
3503     * case-sensitive, unlike the formal RFC.  As a result,
3504     * you should always ensure that you write your Uri with these elements
3505     * using lower case letters, and normalize any Uris you receive from
3506     * outside of Android to ensure the scheme and host is lower case.</em></p>
3507     *
3508     * @param action The Intent action, such as ACTION_VIEW.
3509     * @param uri The Intent data URI.
3510     * @param packageContext A Context of the application package implementing
3511     * this class.
3512     * @param cls The component class that is to be used for the intent.
3513     *
3514     * @see #Intent(String, android.net.Uri)
3515     * @see #Intent(Context, Class)
3516     * @see #setClass
3517     * @see #setComponent
3518     */
3519    public Intent(String action, Uri uri,
3520            Context packageContext, Class<?> cls) {
3521        setAction(action);
3522        mData = uri;
3523        mComponent = new ComponentName(packageContext, cls);
3524    }
3525
3526    /**
3527     * Create an intent to launch the main (root) activity of a task.  This
3528     * is the Intent that is started when the application's is launched from
3529     * Home.  For anything else that wants to launch an application in the
3530     * same way, it is important that they use an Intent structured the same
3531     * way, and can use this function to ensure this is the case.
3532     *
3533     * <p>The returned Intent has the given Activity component as its explicit
3534     * component, {@link #ACTION_MAIN} as its action, and includes the
3535     * category {@link #CATEGORY_LAUNCHER}.  This does <em>not</em> have
3536     * {@link #FLAG_ACTIVITY_NEW_TASK} set, though typically you will want
3537     * to do that through {@link #addFlags(int)} on the returned Intent.
3538     *
3539     * @param mainActivity The main activity component that this Intent will
3540     * launch.
3541     * @return Returns a newly created Intent that can be used to launch the
3542     * activity as a main application entry.
3543     *
3544     * @see #setClass
3545     * @see #setComponent
3546     */
3547    public static Intent makeMainActivity(ComponentName mainActivity) {
3548        Intent intent = new Intent(ACTION_MAIN);
3549        intent.setComponent(mainActivity);
3550        intent.addCategory(CATEGORY_LAUNCHER);
3551        return intent;
3552    }
3553
3554    /**
3555     * Make an Intent for the main activity of an application, without
3556     * specifying a specific activity to run but giving a selector to find
3557     * the activity.  This results in a final Intent that is structured
3558     * the same as when the application is launched from
3559     * Home.  For anything else that wants to launch an application in the
3560     * same way, it is important that they use an Intent structured the same
3561     * way, and can use this function to ensure this is the case.
3562     *
3563     * <p>The returned Intent has {@link #ACTION_MAIN} as its action, and includes the
3564     * category {@link #CATEGORY_LAUNCHER}.  This does <em>not</em> have
3565     * {@link #FLAG_ACTIVITY_NEW_TASK} set, though typically you will want
3566     * to do that through {@link #addFlags(int)} on the returned Intent.
3567     *
3568     * @param selectorAction The action name of the Intent's selector.
3569     * @param selectorCategory The name of a category to add to the Intent's
3570     * selector.
3571     * @return Returns a newly created Intent that can be used to launch the
3572     * activity as a main application entry.
3573     *
3574     * @see #setSelector(Intent)
3575     */
3576    public static Intent makeMainSelectorActivity(String selectorAction,
3577            String selectorCategory) {
3578        Intent intent = new Intent(ACTION_MAIN);
3579        intent.addCategory(CATEGORY_LAUNCHER);
3580        Intent selector = new Intent();
3581        selector.setAction(selectorAction);
3582        selector.addCategory(selectorCategory);
3583        intent.setSelector(selector);
3584        return intent;
3585    }
3586
3587    /**
3588     * Make an Intent that can be used to re-launch an application's task
3589     * in its base state.  This is like {@link #makeMainActivity(ComponentName)},
3590     * but also sets the flags {@link #FLAG_ACTIVITY_NEW_TASK} and
3591     * {@link #FLAG_ACTIVITY_CLEAR_TASK}.
3592     *
3593     * @param mainActivity The activity component that is the root of the
3594     * task; this is the activity that has been published in the application's
3595     * manifest as the main launcher icon.
3596     *
3597     * @return Returns a newly created Intent that can be used to relaunch the
3598     * activity's task in its root state.
3599     */
3600    public static Intent makeRestartActivityTask(ComponentName mainActivity) {
3601        Intent intent = makeMainActivity(mainActivity);
3602        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
3603                | Intent.FLAG_ACTIVITY_CLEAR_TASK);
3604        return intent;
3605    }
3606
3607    /**
3608     * Call {@link #parseUri} with 0 flags.
3609     * @deprecated Use {@link #parseUri} instead.
3610     */
3611    @Deprecated
3612    public static Intent getIntent(String uri) throws URISyntaxException {
3613        return parseUri(uri, 0);
3614    }
3615
3616    /**
3617     * Create an intent from a URI.  This URI may encode the action,
3618     * category, and other intent fields, if it was returned by
3619     * {@link #toUri}.  If the Intent was not generate by toUri(), its data
3620     * will be the entire URI and its action will be ACTION_VIEW.
3621     *
3622     * <p>The URI given here must not be relative -- that is, it must include
3623     * the scheme and full path.
3624     *
3625     * @param uri The URI to turn into an Intent.
3626     * @param flags Additional processing flags.  Either 0 or
3627     * {@link #URI_INTENT_SCHEME}.
3628     *
3629     * @return Intent The newly created Intent object.
3630     *
3631     * @throws URISyntaxException Throws URISyntaxError if the basic URI syntax
3632     * it bad (as parsed by the Uri class) or the Intent data within the
3633     * URI is invalid.
3634     *
3635     * @see #toUri
3636     */
3637    public static Intent parseUri(String uri, int flags) throws URISyntaxException {
3638        int i = 0;
3639        try {
3640            // Validate intent scheme for if requested.
3641            if ((flags&URI_INTENT_SCHEME) != 0) {
3642                if (!uri.startsWith("intent:")) {
3643                    Intent intent = new Intent(ACTION_VIEW);
3644                    try {
3645                        intent.setData(Uri.parse(uri));
3646                    } catch (IllegalArgumentException e) {
3647                        throw new URISyntaxException(uri, e.getMessage());
3648                    }
3649                    return intent;
3650                }
3651            }
3652
3653            // simple case
3654            i = uri.lastIndexOf("#");
3655            if (i == -1) return new Intent(ACTION_VIEW, Uri.parse(uri));
3656
3657            // old format Intent URI
3658            if (!uri.startsWith("#Intent;", i)) return getIntentOld(uri);
3659
3660            // new format
3661            Intent intent = new Intent(ACTION_VIEW);
3662            Intent baseIntent = intent;
3663
3664            // fetch data part, if present
3665            String data = i >= 0 ? uri.substring(0, i) : null;
3666            String scheme = null;
3667            i += "#Intent;".length();
3668
3669            // loop over contents of Intent, all name=value;
3670            while (!uri.startsWith("end", i)) {
3671                int eq = uri.indexOf('=', i);
3672                if (eq < 0) eq = i-1;
3673                int semi = uri.indexOf(';', i);
3674                String value = eq < semi ? Uri.decode(uri.substring(eq + 1, semi)) : "";
3675
3676                // action
3677                if (uri.startsWith("action=", i)) {
3678                    intent.setAction(value);
3679                }
3680
3681                // categories
3682                else if (uri.startsWith("category=", i)) {
3683                    intent.addCategory(value);
3684                }
3685
3686                // type
3687                else if (uri.startsWith("type=", i)) {
3688                    intent.mType = value;
3689                }
3690
3691                // launch flags
3692                else if (uri.startsWith("launchFlags=", i)) {
3693                    intent.mFlags = Integer.decode(value).intValue();
3694                }
3695
3696                // package
3697                else if (uri.startsWith("package=", i)) {
3698                    intent.mPackage = value;
3699                }
3700
3701                // component
3702                else if (uri.startsWith("component=", i)) {
3703                    intent.mComponent = ComponentName.unflattenFromString(value);
3704                }
3705
3706                // scheme
3707                else if (uri.startsWith("scheme=", i)) {
3708                    scheme = value;
3709                }
3710
3711                // source bounds
3712                else if (uri.startsWith("sourceBounds=", i)) {
3713                    intent.mSourceBounds = Rect.unflattenFromString(value);
3714                }
3715
3716                // selector
3717                else if (semi == (i+3) && uri.startsWith("SEL", i)) {
3718                    intent = new Intent();
3719                }
3720
3721                // extra
3722                else {
3723                    String key = Uri.decode(uri.substring(i + 2, eq));
3724                    // create Bundle if it doesn't already exist
3725                    if (intent.mExtras == null) intent.mExtras = new Bundle();
3726                    Bundle b = intent.mExtras;
3727                    // add EXTRA
3728                    if      (uri.startsWith("S.", i)) b.putString(key, value);
3729                    else if (uri.startsWith("B.", i)) b.putBoolean(key, Boolean.parseBoolean(value));
3730                    else if (uri.startsWith("b.", i)) b.putByte(key, Byte.parseByte(value));
3731                    else if (uri.startsWith("c.", i)) b.putChar(key, value.charAt(0));
3732                    else if (uri.startsWith("d.", i)) b.putDouble(key, Double.parseDouble(value));
3733                    else if (uri.startsWith("f.", i)) b.putFloat(key, Float.parseFloat(value));
3734                    else if (uri.startsWith("i.", i)) b.putInt(key, Integer.parseInt(value));
3735                    else if (uri.startsWith("l.", i)) b.putLong(key, Long.parseLong(value));
3736                    else if (uri.startsWith("s.", i)) b.putShort(key, Short.parseShort(value));
3737                    else throw new URISyntaxException(uri, "unknown EXTRA type", i);
3738                }
3739
3740                // move to the next item
3741                i = semi + 1;
3742            }
3743
3744            if (intent != baseIntent) {
3745                // The Intent had a selector; fix it up.
3746                baseIntent.setSelector(intent);
3747                intent = baseIntent;
3748            }
3749
3750            if (data != null) {
3751                if (data.startsWith("intent:")) {
3752                    data = data.substring(7);
3753                    if (scheme != null) {
3754                        data = scheme + ':' + data;
3755                    }
3756                }
3757
3758                if (data.length() > 0) {
3759                    try {
3760                        intent.mData = Uri.parse(data);
3761                    } catch (IllegalArgumentException e) {
3762                        throw new URISyntaxException(uri, e.getMessage());
3763                    }
3764                }
3765            }
3766
3767            return intent;
3768
3769        } catch (IndexOutOfBoundsException e) {
3770            throw new URISyntaxException(uri, "illegal Intent URI format", i);
3771        }
3772    }
3773
3774    public static Intent getIntentOld(String uri) throws URISyntaxException {
3775        Intent intent;
3776
3777        int i = uri.lastIndexOf('#');
3778        if (i >= 0) {
3779            String action = null;
3780            final int intentFragmentStart = i;
3781            boolean isIntentFragment = false;
3782
3783            i++;
3784
3785            if (uri.regionMatches(i, "action(", 0, 7)) {
3786                isIntentFragment = true;
3787                i += 7;
3788                int j = uri.indexOf(')', i);
3789                action = uri.substring(i, j);
3790                i = j + 1;
3791            }
3792
3793            intent = new Intent(action);
3794
3795            if (uri.regionMatches(i, "categories(", 0, 11)) {
3796                isIntentFragment = true;
3797                i += 11;
3798                int j = uri.indexOf(')', i);
3799                while (i < j) {
3800                    int sep = uri.indexOf('!', i);
3801                    if (sep < 0) sep = j;
3802                    if (i < sep) {
3803                        intent.addCategory(uri.substring(i, sep));
3804                    }
3805                    i = sep + 1;
3806                }
3807                i = j + 1;
3808            }
3809
3810            if (uri.regionMatches(i, "type(", 0, 5)) {
3811                isIntentFragment = true;
3812                i += 5;
3813                int j = uri.indexOf(')', i);
3814                intent.mType = uri.substring(i, j);
3815                i = j + 1;
3816            }
3817
3818            if (uri.regionMatches(i, "launchFlags(", 0, 12)) {
3819                isIntentFragment = true;
3820                i += 12;
3821                int j = uri.indexOf(')', i);
3822                intent.mFlags = Integer.decode(uri.substring(i, j)).intValue();
3823                i = j + 1;
3824            }
3825
3826            if (uri.regionMatches(i, "component(", 0, 10)) {
3827                isIntentFragment = true;
3828                i += 10;
3829                int j = uri.indexOf(')', i);
3830                int sep = uri.indexOf('!', i);
3831                if (sep >= 0 && sep < j) {
3832                    String pkg = uri.substring(i, sep);
3833                    String cls = uri.substring(sep + 1, j);
3834                    intent.mComponent = new ComponentName(pkg, cls);
3835                }
3836                i = j + 1;
3837            }
3838
3839            if (uri.regionMatches(i, "extras(", 0, 7)) {
3840                isIntentFragment = true;
3841                i += 7;
3842
3843                final int closeParen = uri.indexOf(')', i);
3844                if (closeParen == -1) throw new URISyntaxException(uri,
3845                        "EXTRA missing trailing ')'", i);
3846
3847                while (i < closeParen) {
3848                    // fetch the key value
3849                    int j = uri.indexOf('=', i);
3850                    if (j <= i + 1 || i >= closeParen) {
3851                        throw new URISyntaxException(uri, "EXTRA missing '='", i);
3852                    }
3853                    char type = uri.charAt(i);
3854                    i++;
3855                    String key = uri.substring(i, j);
3856                    i = j + 1;
3857
3858                    // get type-value
3859                    j = uri.indexOf('!', i);
3860                    if (j == -1 || j >= closeParen) j = closeParen;
3861                    if (i >= j) throw new URISyntaxException(uri, "EXTRA missing '!'", i);
3862                    String value = uri.substring(i, j);
3863                    i = j;
3864
3865                    // create Bundle if it doesn't already exist
3866                    if (intent.mExtras == null) intent.mExtras = new Bundle();
3867
3868                    // add item to bundle
3869                    try {
3870                        switch (type) {
3871                            case 'S':
3872                                intent.mExtras.putString(key, Uri.decode(value));
3873                                break;
3874                            case 'B':
3875                                intent.mExtras.putBoolean(key, Boolean.parseBoolean(value));
3876                                break;
3877                            case 'b':
3878                                intent.mExtras.putByte(key, Byte.parseByte(value));
3879                                break;
3880                            case 'c':
3881                                intent.mExtras.putChar(key, Uri.decode(value).charAt(0));
3882                                break;
3883                            case 'd':
3884                                intent.mExtras.putDouble(key, Double.parseDouble(value));
3885                                break;
3886                            case 'f':
3887                                intent.mExtras.putFloat(key, Float.parseFloat(value));
3888                                break;
3889                            case 'i':
3890                                intent.mExtras.putInt(key, Integer.parseInt(value));
3891                                break;
3892                            case 'l':
3893                                intent.mExtras.putLong(key, Long.parseLong(value));
3894                                break;
3895                            case 's':
3896                                intent.mExtras.putShort(key, Short.parseShort(value));
3897                                break;
3898                            default:
3899                                throw new URISyntaxException(uri, "EXTRA has unknown type", i);
3900                        }
3901                    } catch (NumberFormatException e) {
3902                        throw new URISyntaxException(uri, "EXTRA value can't be parsed", i);
3903                    }
3904
3905                    char ch = uri.charAt(i);
3906                    if (ch == ')') break;
3907                    if (ch != '!') throw new URISyntaxException(uri, "EXTRA missing '!'", i);
3908                    i++;
3909                }
3910            }
3911
3912            if (isIntentFragment) {
3913                intent.mData = Uri.parse(uri.substring(0, intentFragmentStart));
3914            } else {
3915                intent.mData = Uri.parse(uri);
3916            }
3917
3918            if (intent.mAction == null) {
3919                // By default, if no action is specified, then use VIEW.
3920                intent.mAction = ACTION_VIEW;
3921            }
3922
3923        } else {
3924            intent = new Intent(ACTION_VIEW, Uri.parse(uri));
3925        }
3926
3927        return intent;
3928    }
3929
3930    /**
3931     * Retrieve the general action to be performed, such as
3932     * {@link #ACTION_VIEW}.  The action describes the general way the rest of
3933     * the information in the intent should be interpreted -- most importantly,
3934     * what to do with the data returned by {@link #getData}.
3935     *
3936     * @return The action of this intent or null if none is specified.
3937     *
3938     * @see #setAction
3939     */
3940    public String getAction() {
3941        return mAction;
3942    }
3943
3944    /**
3945     * Retrieve data this intent is operating on.  This URI specifies the name
3946     * of the data; often it uses the content: scheme, specifying data in a
3947     * content provider.  Other schemes may be handled by specific activities,
3948     * such as http: by the web browser.
3949     *
3950     * @return The URI of the data this intent is targeting or null.
3951     *
3952     * @see #getScheme
3953     * @see #setData
3954     */
3955    public Uri getData() {
3956        return mData;
3957    }
3958
3959    /**
3960     * The same as {@link #getData()}, but returns the URI as an encoded
3961     * String.
3962     */
3963    public String getDataString() {
3964        return mData != null ? mData.toString() : null;
3965    }
3966
3967    /**
3968     * Return the scheme portion of the intent's data.  If the data is null or
3969     * does not include a scheme, null is returned.  Otherwise, the scheme
3970     * prefix without the final ':' is returned, i.e. "http".
3971     *
3972     * <p>This is the same as calling getData().getScheme() (and checking for
3973     * null data).
3974     *
3975     * @return The scheme of this intent.
3976     *
3977     * @see #getData
3978     */
3979    public String getScheme() {
3980        return mData != null ? mData.getScheme() : null;
3981    }
3982
3983    /**
3984     * Retrieve any explicit MIME type included in the intent.  This is usually
3985     * null, as the type is determined by the intent data.
3986     *
3987     * @return If a type was manually set, it is returned; else null is
3988     *         returned.
3989     *
3990     * @see #resolveType(ContentResolver)
3991     * @see #setType
3992     */
3993    public String getType() {
3994        return mType;
3995    }
3996
3997    /**
3998     * Return the MIME data type of this intent.  If the type field is
3999     * explicitly set, that is simply returned.  Otherwise, if the data is set,
4000     * the type of that data is returned.  If neither fields are set, a null is
4001     * returned.
4002     *
4003     * @return The MIME type of this intent.
4004     *
4005     * @see #getType
4006     * @see #resolveType(ContentResolver)
4007     */
4008    public String resolveType(Context context) {
4009        return resolveType(context.getContentResolver());
4010    }
4011
4012    /**
4013     * Return the MIME data type of this intent.  If the type field is
4014     * explicitly set, that is simply returned.  Otherwise, if the data is set,
4015     * the type of that data is returned.  If neither fields are set, a null is
4016     * returned.
4017     *
4018     * @param resolver A ContentResolver that can be used to determine the MIME
4019     *                 type of the intent's data.
4020     *
4021     * @return The MIME type of this intent.
4022     *
4023     * @see #getType
4024     * @see #resolveType(Context)
4025     */
4026    public String resolveType(ContentResolver resolver) {
4027        if (mType != null) {
4028            return mType;
4029        }
4030        if (mData != null) {
4031            if ("content".equals(mData.getScheme())) {
4032                return resolver.getType(mData);
4033            }
4034        }
4035        return null;
4036    }
4037
4038    /**
4039     * Return the MIME data type of this intent, only if it will be needed for
4040     * intent resolution.  This is not generally useful for application code;
4041     * it is used by the frameworks for communicating with back-end system
4042     * services.
4043     *
4044     * @param resolver A ContentResolver that can be used to determine the MIME
4045     *                 type of the intent's data.
4046     *
4047     * @return The MIME type of this intent, or null if it is unknown or not
4048     *         needed.
4049     */
4050    public String resolveTypeIfNeeded(ContentResolver resolver) {
4051        if (mComponent != null) {
4052            return mType;
4053        }
4054        return resolveType(resolver);
4055    }
4056
4057    /**
4058     * Check if a category exists in the intent.
4059     *
4060     * @param category The category to check.
4061     *
4062     * @return boolean True if the intent contains the category, else false.
4063     *
4064     * @see #getCategories
4065     * @see #addCategory
4066     */
4067    public boolean hasCategory(String category) {
4068        return mCategories != null && mCategories.contains(category);
4069    }
4070
4071    /**
4072     * Return the set of all categories in the intent.  If there are no categories,
4073     * returns NULL.
4074     *
4075     * @return The set of categories you can examine.  Do not modify!
4076     *
4077     * @see #hasCategory
4078     * @see #addCategory
4079     */
4080    public Set<String> getCategories() {
4081        return mCategories;
4082    }
4083
4084    /**
4085     * Return the specific selector associated with this Intent.  If there is
4086     * none, returns null.  See {@link #setSelector} for more information.
4087     *
4088     * @see #setSelector
4089     */
4090    public Intent getSelector() {
4091        return mSelector;
4092    }
4093
4094    /**
4095     * Return the {@link ClipData} associated with this Intent.  If there is
4096     * none, returns null.  See {@link #setClipData} for more information.
4097     *
4098     * @see #setClipData;
4099     */
4100    public ClipData getClipData() {
4101        return mClipData;
4102    }
4103
4104    /**
4105     * Sets the ClassLoader that will be used when unmarshalling
4106     * any Parcelable values from the extras of this Intent.
4107     *
4108     * @param loader a ClassLoader, or null to use the default loader
4109     * at the time of unmarshalling.
4110     */
4111    public void setExtrasClassLoader(ClassLoader loader) {
4112        if (mExtras != null) {
4113            mExtras.setClassLoader(loader);
4114        }
4115    }
4116
4117    /**
4118     * Returns true if an extra value is associated with the given name.
4119     * @param name the extra's name
4120     * @return true if the given extra is present.
4121     */
4122    public boolean hasExtra(String name) {
4123        return mExtras != null && mExtras.containsKey(name);
4124    }
4125
4126    /**
4127     * Returns true if the Intent's extras contain a parcelled file descriptor.
4128     * @return true if the Intent contains a parcelled file descriptor.
4129     */
4130    public boolean hasFileDescriptors() {
4131        return mExtras != null && mExtras.hasFileDescriptors();
4132    }
4133
4134    /** @hide */
4135    public void setAllowFds(boolean allowFds) {
4136        if (mExtras != null) {
4137            mExtras.setAllowFds(allowFds);
4138        }
4139    }
4140
4141    /**
4142     * Retrieve extended data from the intent.
4143     *
4144     * @param name The name of the desired item.
4145     *
4146     * @return the value of an item that previously added with putExtra()
4147     * or null if none was found.
4148     *
4149     * @deprecated
4150     * @hide
4151     */
4152    @Deprecated
4153    public Object getExtra(String name) {
4154        return getExtra(name, null);
4155    }
4156
4157    /**
4158     * Retrieve extended data from the intent.
4159     *
4160     * @param name The name of the desired item.
4161     * @param defaultValue the value to be returned if no value of the desired
4162     * type is stored with the given name.
4163     *
4164     * @return the value of an item that previously added with putExtra()
4165     * or the default value if none was found.
4166     *
4167     * @see #putExtra(String, boolean)
4168     */
4169    public boolean getBooleanExtra(String name, boolean defaultValue) {
4170        return mExtras == null ? defaultValue :
4171            mExtras.getBoolean(name, defaultValue);
4172    }
4173
4174    /**
4175     * Retrieve extended data from the intent.
4176     *
4177     * @param name The name of the desired item.
4178     * @param defaultValue the value to be returned if no value of the desired
4179     * type is stored with the given name.
4180     *
4181     * @return the value of an item that previously added with putExtra()
4182     * or the default value if none was found.
4183     *
4184     * @see #putExtra(String, byte)
4185     */
4186    public byte getByteExtra(String name, byte defaultValue) {
4187        return mExtras == null ? defaultValue :
4188            mExtras.getByte(name, defaultValue);
4189    }
4190
4191    /**
4192     * Retrieve extended data from the intent.
4193     *
4194     * @param name The name of the desired item.
4195     * @param defaultValue the value to be returned if no value of the desired
4196     * type is stored with the given name.
4197     *
4198     * @return the value of an item that previously added with putExtra()
4199     * or the default value if none was found.
4200     *
4201     * @see #putExtra(String, short)
4202     */
4203    public short getShortExtra(String name, short defaultValue) {
4204        return mExtras == null ? defaultValue :
4205            mExtras.getShort(name, defaultValue);
4206    }
4207
4208    /**
4209     * Retrieve extended data from the intent.
4210     *
4211     * @param name The name of the desired item.
4212     * @param defaultValue the value to be returned if no value of the desired
4213     * type is stored with the given name.
4214     *
4215     * @return the value of an item that previously added with putExtra()
4216     * or the default value if none was found.
4217     *
4218     * @see #putExtra(String, char)
4219     */
4220    public char getCharExtra(String name, char defaultValue) {
4221        return mExtras == null ? defaultValue :
4222            mExtras.getChar(name, defaultValue);
4223    }
4224
4225    /**
4226     * Retrieve extended data from the intent.
4227     *
4228     * @param name The name of the desired item.
4229     * @param defaultValue the value to be returned if no value of the desired
4230     * type is stored with the given name.
4231     *
4232     * @return the value of an item that previously added with putExtra()
4233     * or the default value if none was found.
4234     *
4235     * @see #putExtra(String, int)
4236     */
4237    public int getIntExtra(String name, int defaultValue) {
4238        return mExtras == null ? defaultValue :
4239            mExtras.getInt(name, defaultValue);
4240    }
4241
4242    /**
4243     * Retrieve extended data from the intent.
4244     *
4245     * @param name The name of the desired item.
4246     * @param defaultValue the value to be returned if no value of the desired
4247     * type is stored with the given name.
4248     *
4249     * @return the value of an item that previously added with putExtra()
4250     * or the default value if none was found.
4251     *
4252     * @see #putExtra(String, long)
4253     */
4254    public long getLongExtra(String name, long defaultValue) {
4255        return mExtras == null ? defaultValue :
4256            mExtras.getLong(name, defaultValue);
4257    }
4258
4259    /**
4260     * Retrieve extended data from the intent.
4261     *
4262     * @param name The name of the desired item.
4263     * @param defaultValue the value to be returned if no value of the desired
4264     * type is stored with the given name.
4265     *
4266     * @return the value of an item that previously added with putExtra(),
4267     * or the default value if no such item is present
4268     *
4269     * @see #putExtra(String, float)
4270     */
4271    public float getFloatExtra(String name, float defaultValue) {
4272        return mExtras == null ? defaultValue :
4273            mExtras.getFloat(name, defaultValue);
4274    }
4275
4276    /**
4277     * Retrieve extended data from the intent.
4278     *
4279     * @param name The name of the desired item.
4280     * @param defaultValue the value to be returned if no value of the desired
4281     * type is stored with the given name.
4282     *
4283     * @return the value of an item that previously added with putExtra()
4284     * or the default value if none was found.
4285     *
4286     * @see #putExtra(String, double)
4287     */
4288    public double getDoubleExtra(String name, double defaultValue) {
4289        return mExtras == null ? defaultValue :
4290            mExtras.getDouble(name, defaultValue);
4291    }
4292
4293    /**
4294     * Retrieve extended data from the intent.
4295     *
4296     * @param name The name of the desired item.
4297     *
4298     * @return the value of an item that previously added with putExtra()
4299     * or null if no String value was found.
4300     *
4301     * @see #putExtra(String, String)
4302     */
4303    public String getStringExtra(String name) {
4304        return mExtras == null ? null : mExtras.getString(name);
4305    }
4306
4307    /**
4308     * Retrieve extended data from the intent.
4309     *
4310     * @param name The name of the desired item.
4311     *
4312     * @return the value of an item that previously added with putExtra()
4313     * or null if no CharSequence value was found.
4314     *
4315     * @see #putExtra(String, CharSequence)
4316     */
4317    public CharSequence getCharSequenceExtra(String name) {
4318        return mExtras == null ? null : mExtras.getCharSequence(name);
4319    }
4320
4321    /**
4322     * Retrieve extended data from the intent.
4323     *
4324     * @param name The name of the desired item.
4325     *
4326     * @return the value of an item that previously added with putExtra()
4327     * or null if no Parcelable value was found.
4328     *
4329     * @see #putExtra(String, Parcelable)
4330     */
4331    public <T extends Parcelable> T getParcelableExtra(String name) {
4332        return mExtras == null ? null : mExtras.<T>getParcelable(name);
4333    }
4334
4335    /**
4336     * Retrieve extended data from the intent.
4337     *
4338     * @param name The name of the desired item.
4339     *
4340     * @return the value of an item that previously added with putExtra()
4341     * or null if no Parcelable[] value was found.
4342     *
4343     * @see #putExtra(String, Parcelable[])
4344     */
4345    public Parcelable[] getParcelableArrayExtra(String name) {
4346        return mExtras == null ? null : mExtras.getParcelableArray(name);
4347    }
4348
4349    /**
4350     * Retrieve extended data from the intent.
4351     *
4352     * @param name The name of the desired item.
4353     *
4354     * @return the value of an item that previously added with putExtra()
4355     * or null if no ArrayList<Parcelable> value was found.
4356     *
4357     * @see #putParcelableArrayListExtra(String, ArrayList)
4358     */
4359    public <T extends Parcelable> ArrayList<T> getParcelableArrayListExtra(String name) {
4360        return mExtras == null ? null : mExtras.<T>getParcelableArrayList(name);
4361    }
4362
4363    /**
4364     * Retrieve extended data from the intent.
4365     *
4366     * @param name The name of the desired item.
4367     *
4368     * @return the value of an item that previously added with putExtra()
4369     * or null if no Serializable value was found.
4370     *
4371     * @see #putExtra(String, Serializable)
4372     */
4373    public Serializable getSerializableExtra(String name) {
4374        return mExtras == null ? null : mExtras.getSerializable(name);
4375    }
4376
4377    /**
4378     * Retrieve extended data from the intent.
4379     *
4380     * @param name The name of the desired item.
4381     *
4382     * @return the value of an item that previously added with putExtra()
4383     * or null if no ArrayList<Integer> value was found.
4384     *
4385     * @see #putIntegerArrayListExtra(String, ArrayList)
4386     */
4387    public ArrayList<Integer> getIntegerArrayListExtra(String name) {
4388        return mExtras == null ? null : mExtras.getIntegerArrayList(name);
4389    }
4390
4391    /**
4392     * Retrieve extended data from the intent.
4393     *
4394     * @param name The name of the desired item.
4395     *
4396     * @return the value of an item that previously added with putExtra()
4397     * or null if no ArrayList<String> value was found.
4398     *
4399     * @see #putStringArrayListExtra(String, ArrayList)
4400     */
4401    public ArrayList<String> getStringArrayListExtra(String name) {
4402        return mExtras == null ? null : mExtras.getStringArrayList(name);
4403    }
4404
4405    /**
4406     * Retrieve extended data from the intent.
4407     *
4408     * @param name The name of the desired item.
4409     *
4410     * @return the value of an item that previously added with putExtra()
4411     * or null if no ArrayList<CharSequence> value was found.
4412     *
4413     * @see #putCharSequenceArrayListExtra(String, ArrayList)
4414     */
4415    public ArrayList<CharSequence> getCharSequenceArrayListExtra(String name) {
4416        return mExtras == null ? null : mExtras.getCharSequenceArrayList(name);
4417    }
4418
4419    /**
4420     * Retrieve extended data from the intent.
4421     *
4422     * @param name The name of the desired item.
4423     *
4424     * @return the value of an item that previously added with putExtra()
4425     * or null if no boolean array value was found.
4426     *
4427     * @see #putExtra(String, boolean[])
4428     */
4429    public boolean[] getBooleanArrayExtra(String name) {
4430        return mExtras == null ? null : mExtras.getBooleanArray(name);
4431    }
4432
4433    /**
4434     * Retrieve extended data from the intent.
4435     *
4436     * @param name The name of the desired item.
4437     *
4438     * @return the value of an item that previously added with putExtra()
4439     * or null if no byte array value was found.
4440     *
4441     * @see #putExtra(String, byte[])
4442     */
4443    public byte[] getByteArrayExtra(String name) {
4444        return mExtras == null ? null : mExtras.getByteArray(name);
4445    }
4446
4447    /**
4448     * Retrieve extended data from the intent.
4449     *
4450     * @param name The name of the desired item.
4451     *
4452     * @return the value of an item that previously added with putExtra()
4453     * or null if no short array value was found.
4454     *
4455     * @see #putExtra(String, short[])
4456     */
4457    public short[] getShortArrayExtra(String name) {
4458        return mExtras == null ? null : mExtras.getShortArray(name);
4459    }
4460
4461    /**
4462     * Retrieve extended data from the intent.
4463     *
4464     * @param name The name of the desired item.
4465     *
4466     * @return the value of an item that previously added with putExtra()
4467     * or null if no char array value was found.
4468     *
4469     * @see #putExtra(String, char[])
4470     */
4471    public char[] getCharArrayExtra(String name) {
4472        return mExtras == null ? null : mExtras.getCharArray(name);
4473    }
4474
4475    /**
4476     * Retrieve extended data from the intent.
4477     *
4478     * @param name The name of the desired item.
4479     *
4480     * @return the value of an item that previously added with putExtra()
4481     * or null if no int array value was found.
4482     *
4483     * @see #putExtra(String, int[])
4484     */
4485    public int[] getIntArrayExtra(String name) {
4486        return mExtras == null ? null : mExtras.getIntArray(name);
4487    }
4488
4489    /**
4490     * Retrieve extended data from the intent.
4491     *
4492     * @param name The name of the desired item.
4493     *
4494     * @return the value of an item that previously added with putExtra()
4495     * or null if no long array value was found.
4496     *
4497     * @see #putExtra(String, long[])
4498     */
4499    public long[] getLongArrayExtra(String name) {
4500        return mExtras == null ? null : mExtras.getLongArray(name);
4501    }
4502
4503    /**
4504     * Retrieve extended data from the intent.
4505     *
4506     * @param name The name of the desired item.
4507     *
4508     * @return the value of an item that previously added with putExtra()
4509     * or null if no float array value was found.
4510     *
4511     * @see #putExtra(String, float[])
4512     */
4513    public float[] getFloatArrayExtra(String name) {
4514        return mExtras == null ? null : mExtras.getFloatArray(name);
4515    }
4516
4517    /**
4518     * Retrieve extended data from the intent.
4519     *
4520     * @param name The name of the desired item.
4521     *
4522     * @return the value of an item that previously added with putExtra()
4523     * or null if no double array value was found.
4524     *
4525     * @see #putExtra(String, double[])
4526     */
4527    public double[] getDoubleArrayExtra(String name) {
4528        return mExtras == null ? null : mExtras.getDoubleArray(name);
4529    }
4530
4531    /**
4532     * Retrieve extended data from the intent.
4533     *
4534     * @param name The name of the desired item.
4535     *
4536     * @return the value of an item that previously added with putExtra()
4537     * or null if no String array value was found.
4538     *
4539     * @see #putExtra(String, String[])
4540     */
4541    public String[] getStringArrayExtra(String name) {
4542        return mExtras == null ? null : mExtras.getStringArray(name);
4543    }
4544
4545    /**
4546     * Retrieve extended data from the intent.
4547     *
4548     * @param name The name of the desired item.
4549     *
4550     * @return the value of an item that previously added with putExtra()
4551     * or null if no CharSequence array value was found.
4552     *
4553     * @see #putExtra(String, CharSequence[])
4554     */
4555    public CharSequence[] getCharSequenceArrayExtra(String name) {
4556        return mExtras == null ? null : mExtras.getCharSequenceArray(name);
4557    }
4558
4559    /**
4560     * Retrieve extended data from the intent.
4561     *
4562     * @param name The name of the desired item.
4563     *
4564     * @return the value of an item that previously added with putExtra()
4565     * or null if no Bundle value was found.
4566     *
4567     * @see #putExtra(String, Bundle)
4568     */
4569    public Bundle getBundleExtra(String name) {
4570        return mExtras == null ? null : mExtras.getBundle(name);
4571    }
4572
4573    /**
4574     * Retrieve extended data from the intent.
4575     *
4576     * @param name The name of the desired item.
4577     *
4578     * @return the value of an item that previously added with putExtra()
4579     * or null if no IBinder value was found.
4580     *
4581     * @see #putExtra(String, IBinder)
4582     *
4583     * @deprecated
4584     * @hide
4585     */
4586    @Deprecated
4587    public IBinder getIBinderExtra(String name) {
4588        return mExtras == null ? null : mExtras.getIBinder(name);
4589    }
4590
4591    /**
4592     * Retrieve extended data from the intent.
4593     *
4594     * @param name The name of the desired item.
4595     * @param defaultValue The default value to return in case no item is
4596     * associated with the key 'name'
4597     *
4598     * @return the value of an item that previously added with putExtra()
4599     * or defaultValue if none was found.
4600     *
4601     * @see #putExtra
4602     *
4603     * @deprecated
4604     * @hide
4605     */
4606    @Deprecated
4607    public Object getExtra(String name, Object defaultValue) {
4608        Object result = defaultValue;
4609        if (mExtras != null) {
4610            Object result2 = mExtras.get(name);
4611            if (result2 != null) {
4612                result = result2;
4613            }
4614        }
4615
4616        return result;
4617    }
4618
4619    /**
4620     * Retrieves a map of extended data from the intent.
4621     *
4622     * @return the map of all extras previously added with putExtra(),
4623     * or null if none have been added.
4624     */
4625    public Bundle getExtras() {
4626        return (mExtras != null)
4627                ? new Bundle(mExtras)
4628                : null;
4629    }
4630
4631    /**
4632     * Retrieve any special flags associated with this intent.  You will
4633     * normally just set them with {@link #setFlags} and let the system
4634     * take the appropriate action with them.
4635     *
4636     * @return int The currently set flags.
4637     *
4638     * @see #setFlags
4639     */
4640    public int getFlags() {
4641        return mFlags;
4642    }
4643
4644    /** @hide */
4645    public boolean isExcludingStopped() {
4646        return (mFlags&(FLAG_EXCLUDE_STOPPED_PACKAGES|FLAG_INCLUDE_STOPPED_PACKAGES))
4647                == FLAG_EXCLUDE_STOPPED_PACKAGES;
4648    }
4649
4650    /**
4651     * Retrieve the application package name this Intent is limited to.  When
4652     * resolving an Intent, if non-null this limits the resolution to only
4653     * components in the given application package.
4654     *
4655     * @return The name of the application package for the Intent.
4656     *
4657     * @see #resolveActivity
4658     * @see #setPackage
4659     */
4660    public String getPackage() {
4661        return mPackage;
4662    }
4663
4664    /**
4665     * Retrieve the concrete component associated with the intent.  When receiving
4666     * an intent, this is the component that was found to best handle it (that is,
4667     * yourself) and will always be non-null; in all other cases it will be
4668     * null unless explicitly set.
4669     *
4670     * @return The name of the application component to handle the intent.
4671     *
4672     * @see #resolveActivity
4673     * @see #setComponent
4674     */
4675    public ComponentName getComponent() {
4676        return mComponent;
4677    }
4678
4679    /**
4680     * Get the bounds of the sender of this intent, in screen coordinates.  This can be
4681     * used as a hint to the receiver for animations and the like.  Null means that there
4682     * is no source bounds.
4683     */
4684    public Rect getSourceBounds() {
4685        return mSourceBounds;
4686    }
4687
4688    /**
4689     * Return the Activity component that should be used to handle this intent.
4690     * The appropriate component is determined based on the information in the
4691     * intent, evaluated as follows:
4692     *
4693     * <p>If {@link #getComponent} returns an explicit class, that is returned
4694     * without any further consideration.
4695     *
4696     * <p>The activity must handle the {@link Intent#CATEGORY_DEFAULT} Intent
4697     * category to be considered.
4698     *
4699     * <p>If {@link #getAction} is non-NULL, the activity must handle this
4700     * action.
4701     *
4702     * <p>If {@link #resolveType} returns non-NULL, the activity must handle
4703     * this type.
4704     *
4705     * <p>If {@link #addCategory} has added any categories, the activity must
4706     * handle ALL of the categories specified.
4707     *
4708     * <p>If {@link #getPackage} is non-NULL, only activity components in
4709     * that application package will be considered.
4710     *
4711     * <p>If there are no activities that satisfy all of these conditions, a
4712     * null string is returned.
4713     *
4714     * <p>If multiple activities are found to satisfy the intent, the one with
4715     * the highest priority will be used.  If there are multiple activities
4716     * with the same priority, the system will either pick the best activity
4717     * based on user preference, or resolve to a system class that will allow
4718     * the user to pick an activity and forward from there.
4719     *
4720     * <p>This method is implemented simply by calling
4721     * {@link PackageManager#resolveActivity} with the "defaultOnly" parameter
4722     * true.</p>
4723     * <p> This API is called for you as part of starting an activity from an
4724     * intent.  You do not normally need to call it yourself.</p>
4725     *
4726     * @param pm The package manager with which to resolve the Intent.
4727     *
4728     * @return Name of the component implementing an activity that can
4729     *         display the intent.
4730     *
4731     * @see #setComponent
4732     * @see #getComponent
4733     * @see #resolveActivityInfo
4734     */
4735    public ComponentName resolveActivity(PackageManager pm) {
4736        if (mComponent != null) {
4737            return mComponent;
4738        }
4739
4740        ResolveInfo info = pm.resolveActivity(
4741            this, PackageManager.MATCH_DEFAULT_ONLY);
4742        if (info != null) {
4743            return new ComponentName(
4744                    info.activityInfo.applicationInfo.packageName,
4745                    info.activityInfo.name);
4746        }
4747
4748        return null;
4749    }
4750
4751    /**
4752     * Resolve the Intent into an {@link ActivityInfo}
4753     * describing the activity that should execute the intent.  Resolution
4754     * follows the same rules as described for {@link #resolveActivity}, but
4755     * you get back the completely information about the resolved activity
4756     * instead of just its class name.
4757     *
4758     * @param pm The package manager with which to resolve the Intent.
4759     * @param flags Addition information to retrieve as per
4760     * {@link PackageManager#getActivityInfo(ComponentName, int)
4761     * PackageManager.getActivityInfo()}.
4762     *
4763     * @return PackageManager.ActivityInfo
4764     *
4765     * @see #resolveActivity
4766     */
4767    public ActivityInfo resolveActivityInfo(PackageManager pm, int flags) {
4768        ActivityInfo ai = null;
4769        if (mComponent != null) {
4770            try {
4771                ai = pm.getActivityInfo(mComponent, flags);
4772            } catch (PackageManager.NameNotFoundException e) {
4773                // ignore
4774            }
4775        } else {
4776            ResolveInfo info = pm.resolveActivity(
4777                this, PackageManager.MATCH_DEFAULT_ONLY | flags);
4778            if (info != null) {
4779                ai = info.activityInfo;
4780            }
4781        }
4782
4783        return ai;
4784    }
4785
4786    /**
4787     * Set the general action to be performed.
4788     *
4789     * @param action An action name, such as ACTION_VIEW.  Application-specific
4790     *               actions should be prefixed with the vendor's package name.
4791     *
4792     * @return Returns the same Intent object, for chaining multiple calls
4793     * into a single statement.
4794     *
4795     * @see #getAction
4796     */
4797    public Intent setAction(String action) {
4798        mAction = action != null ? action.intern() : null;
4799        return this;
4800    }
4801
4802    /**
4803     * Set the data this intent is operating on.  This method automatically
4804     * clears any type that was previously set by {@link #setType} or
4805     * {@link #setTypeAndNormalize}.
4806     *
4807     * <p><em>Note: scheme matching in the Android framework is
4808     * case-sensitive, unlike the formal RFC. As a result,
4809     * you should always write your Uri with a lower case scheme,
4810     * or use {@link Uri#normalizeScheme} or
4811     * {@link #setDataAndNormalize}
4812     * to ensure that the scheme is converted to lower case.</em>
4813     *
4814     * @param data The Uri of the data this intent is now targeting.
4815     *
4816     * @return Returns the same Intent object, for chaining multiple calls
4817     * into a single statement.
4818     *
4819     * @see #getData
4820     * @see #setDataAndNormalize
4821     * @see android.net.Intent#normalize
4822     */
4823    public Intent setData(Uri data) {
4824        mData = data;
4825        mType = null;
4826        return this;
4827    }
4828
4829    /**
4830     * Normalize and set the data this intent is operating on.
4831     *
4832     * <p>This method automatically clears any type that was
4833     * previously set (for example, by {@link #setType}).
4834     *
4835     * <p>The data Uri is normalized using
4836     * {@link android.net.Uri#normalizeScheme} before it is set,
4837     * so really this is just a convenience method for
4838     * <pre>
4839     * setData(data.normalize())
4840     * </pre>
4841     *
4842     * @param data The Uri of the data this intent is now targeting.
4843     *
4844     * @return Returns the same Intent object, for chaining multiple calls
4845     * into a single statement.
4846     *
4847     * @see #getData
4848     * @see #setType
4849     * @see android.net.Uri#normalizeScheme
4850     */
4851    public Intent setDataAndNormalize(Uri data) {
4852        return setData(data.normalizeScheme());
4853    }
4854
4855    /**
4856     * Set an explicit MIME data type.
4857     *
4858     * <p>This is used to create intents that only specify a type and not data,
4859     * for example to indicate the type of data to return.
4860     *
4861     * <p>This method automatically clears any data that was
4862     * previously set (for example by {@link #setData}).
4863     *
4864     * <p><em>Note: MIME type matching in the Android framework is
4865     * case-sensitive, unlike formal RFC MIME types.  As a result,
4866     * you should always write your MIME types with lower case letters,
4867     * or use {@link #normalizeMimeType} or {@link #setTypeAndNormalize}
4868     * to ensure that it is converted to lower case.</em>
4869     *
4870     * @param type The MIME type of the data being handled by this intent.
4871     *
4872     * @return Returns the same Intent object, for chaining multiple calls
4873     * into a single statement.
4874     *
4875     * @see #getType
4876     * @see #setTypeAndNormalize
4877     * @see #setDataAndType
4878     * @see #normalizeMimeType
4879     */
4880    public Intent setType(String type) {
4881        mData = null;
4882        mType = type;
4883        return this;
4884    }
4885
4886    /**
4887     * Normalize and set an explicit MIME data type.
4888     *
4889     * <p>This is used to create intents that only specify a type and not data,
4890     * for example to indicate the type of data to return.
4891     *
4892     * <p>This method automatically clears any data that was
4893     * previously set (for example by {@link #setData}).
4894     *
4895     * <p>The MIME type is normalized using
4896     * {@link #normalizeMimeType} before it is set,
4897     * so really this is just a convenience method for
4898     * <pre>
4899     * setType(Intent.normalizeMimeType(type))
4900     * </pre>
4901     *
4902     * @param type The MIME type of the data being handled by this intent.
4903     *
4904     * @return Returns the same Intent object, for chaining multiple calls
4905     * into a single statement.
4906     *
4907     * @see #getType
4908     * @see #setData
4909     * @see #normalizeMimeType
4910     */
4911    public Intent setTypeAndNormalize(String type) {
4912        return setType(normalizeMimeType(type));
4913    }
4914
4915    /**
4916     * (Usually optional) Set the data for the intent along with an explicit
4917     * MIME data type.  This method should very rarely be used -- it allows you
4918     * to override the MIME type that would ordinarily be inferred from the
4919     * data with your own type given here.
4920     *
4921     * <p><em>Note: MIME type and Uri scheme matching in the
4922     * Android framework is case-sensitive, unlike the formal RFC definitions.
4923     * As a result, you should always write these elements with lower case letters,
4924     * or use {@link #normalizeMimeType} or {@link android.net.Uri#normalizeScheme} or
4925     * {@link #setDataAndTypeAndNormalize}
4926     * to ensure that they are converted to lower case.</em>
4927     *
4928     * @param data The Uri of the data this intent is now targeting.
4929     * @param type The MIME type of the data being handled by this intent.
4930     *
4931     * @return Returns the same Intent object, for chaining multiple calls
4932     * into a single statement.
4933     *
4934     * @see #setType
4935     * @see #setData
4936     * @see #normalizeMimeType
4937     * @see android.net.Uri#normalizeScheme
4938     * @see #setDataAndTypeAndNormalize
4939     */
4940    public Intent setDataAndType(Uri data, String type) {
4941        mData = data;
4942        mType = type;
4943        return this;
4944    }
4945
4946    /**
4947     * (Usually optional) Normalize and set both the data Uri and an explicit
4948     * MIME data type.  This method should very rarely be used -- it allows you
4949     * to override the MIME type that would ordinarily be inferred from the
4950     * data with your own type given here.
4951     *
4952     * <p>The data Uri and the MIME type are normalize using
4953     * {@link android.net.Uri#normalizeScheme} and {@link #normalizeMimeType}
4954     * before they are set, so really this is just a convenience method for
4955     * <pre>
4956     * setDataAndType(data.normalize(), Intent.normalizeMimeType(type))
4957     * </pre>
4958     *
4959     * @param data The Uri of the data this intent is now targeting.
4960     * @param type The MIME type of the data being handled by this intent.
4961     *
4962     * @return Returns the same Intent object, for chaining multiple calls
4963     * into a single statement.
4964     *
4965     * @see #setType
4966     * @see #setData
4967     * @see #setDataAndType
4968     * @see #normalizeMimeType
4969     * @see android.net.Uri#normalizeScheme
4970     */
4971    public Intent setDataAndTypeAndNormalize(Uri data, String type) {
4972        return setDataAndType(data.normalizeScheme(), normalizeMimeType(type));
4973    }
4974
4975    /**
4976     * Add a new category to the intent.  Categories provide additional detail
4977     * about the action the intent performs.  When resolving an intent, only
4978     * activities that provide <em>all</em> of the requested categories will be
4979     * used.
4980     *
4981     * @param category The desired category.  This can be either one of the
4982     *               predefined Intent categories, or a custom category in your own
4983     *               namespace.
4984     *
4985     * @return Returns the same Intent object, for chaining multiple calls
4986     * into a single statement.
4987     *
4988     * @see #hasCategory
4989     * @see #removeCategory
4990     */
4991    public Intent addCategory(String category) {
4992        if (mCategories == null) {
4993            mCategories = new HashSet<String>();
4994        }
4995        mCategories.add(category.intern());
4996        return this;
4997    }
4998
4999    /**
5000     * Remove a category from an intent.
5001     *
5002     * @param category The category to remove.
5003     *
5004     * @see #addCategory
5005     */
5006    public void removeCategory(String category) {
5007        if (mCategories != null) {
5008            mCategories.remove(category);
5009            if (mCategories.size() == 0) {
5010                mCategories = null;
5011            }
5012        }
5013    }
5014
5015    /**
5016     * Set a selector for this Intent.  This is a modification to the kinds of
5017     * things the Intent will match.  If the selector is set, it will be used
5018     * when trying to find entities that can handle the Intent, instead of the
5019     * main contents of the Intent.  This allows you build an Intent containing
5020     * a generic protocol while targeting it more specifically.
5021     *
5022     * <p>An example of where this may be used is with things like
5023     * {@link #CATEGORY_APP_BROWSER}.  This category allows you to build an
5024     * Intent that will launch the Browser application.  However, the correct
5025     * main entry point of an application is actually {@link #ACTION_MAIN}
5026     * {@link #CATEGORY_LAUNCHER} with {@link #setComponent(ComponentName)}
5027     * used to specify the actual Activity to launch.  If you launch the browser
5028     * with something different, undesired behavior may happen if the user has
5029     * previously or later launches it the normal way, since they do not match.
5030     * Instead, you can build an Intent with the MAIN action (but no ComponentName
5031     * yet specified) and set a selector with {@link #ACTION_MAIN} and
5032     * {@link #CATEGORY_APP_BROWSER} to point it specifically to the browser activity.
5033     *
5034     * <p>Setting a selector does not impact the behavior of
5035     * {@link #filterEquals(Intent)} and {@link #filterHashCode()}.  This is part of the
5036     * desired behavior of a selector -- it does not impact the base meaning
5037     * of the Intent, just what kinds of things will be matched against it
5038     * when determining who can handle it.</p>
5039     *
5040     * <p>You can not use both a selector and {@link #setPackage(String)} on
5041     * the same base Intent.</p>
5042     *
5043     * @param selector The desired selector Intent; set to null to not use
5044     * a special selector.
5045     */
5046    public void setSelector(Intent selector) {
5047        if (selector == this) {
5048            throw new IllegalArgumentException(
5049                    "Intent being set as a selector of itself");
5050        }
5051        if (selector != null && mPackage != null) {
5052            throw new IllegalArgumentException(
5053                    "Can't set selector when package name is already set");
5054        }
5055        mSelector = selector;
5056    }
5057
5058    /**
5059     * Set a {@link ClipData} associated with this Intent.  This replaces any
5060     * previously set ClipData.
5061     *
5062     * <p>The ClipData in an intent is not used for Intent matching or other
5063     * such operations.  Semantically it is like extras, used to transmit
5064     * additional data with the Intent.  The main feature of using this over
5065     * the extras for data is that {@link #FLAG_GRANT_READ_URI_PERMISSION}
5066     * and {@link #FLAG_GRANT_WRITE_URI_PERMISSION} will operate on any URI
5067     * items included in the clip data.  This is useful, in particular, if
5068     * you want to transmit an Intent containing multiple <code>content:</code>
5069     * URIs for which the recipient may not have global permission to access the
5070     * content provider.
5071     *
5072     * <p>If the ClipData contains items that are themselves Intents, any
5073     * grant flags in those Intents will be ignored.  Only the top-level flags
5074     * of the main Intent are respected, and will be applied to all Uri or
5075     * Intent items in the clip (or sub-items of the clip).
5076     *
5077     * <p>The MIME type, label, and icon in the ClipData object are not
5078     * directly used by Intent.  Applications should generally rely on the
5079     * MIME type of the Intent itself, not what it may find in the ClipData.
5080     * A common practice is to construct a ClipData for use with an Intent
5081     * with a MIME type of "*\/*".
5082     *
5083     * @param clip The new clip to set.  May be null to clear the current clip.
5084     */
5085    public void setClipData(ClipData clip) {
5086        mClipData = clip;
5087    }
5088
5089    /**
5090     * Add extended data to the intent.  The name must include a package
5091     * prefix, for example the app com.android.contacts would use names
5092     * like "com.android.contacts.ShowAll".
5093     *
5094     * @param name The name of the extra data, with package prefix.
5095     * @param value The boolean data value.
5096     *
5097     * @return Returns the same Intent object, for chaining multiple calls
5098     * into a single statement.
5099     *
5100     * @see #putExtras
5101     * @see #removeExtra
5102     * @see #getBooleanExtra(String, boolean)
5103     */
5104    public Intent putExtra(String name, boolean value) {
5105        if (mExtras == null) {
5106            mExtras = new Bundle();
5107        }
5108        mExtras.putBoolean(name, value);
5109        return this;
5110    }
5111
5112    /**
5113     * Add extended data to the intent.  The name must include a package
5114     * prefix, for example the app com.android.contacts would use names
5115     * like "com.android.contacts.ShowAll".
5116     *
5117     * @param name The name of the extra data, with package prefix.
5118     * @param value The byte data value.
5119     *
5120     * @return Returns the same Intent object, for chaining multiple calls
5121     * into a single statement.
5122     *
5123     * @see #putExtras
5124     * @see #removeExtra
5125     * @see #getByteExtra(String, byte)
5126     */
5127    public Intent putExtra(String name, byte value) {
5128        if (mExtras == null) {
5129            mExtras = new Bundle();
5130        }
5131        mExtras.putByte(name, value);
5132        return this;
5133    }
5134
5135    /**
5136     * Add extended data to the intent.  The name must include a package
5137     * prefix, for example the app com.android.contacts would use names
5138     * like "com.android.contacts.ShowAll".
5139     *
5140     * @param name The name of the extra data, with package prefix.
5141     * @param value The char data value.
5142     *
5143     * @return Returns the same Intent object, for chaining multiple calls
5144     * into a single statement.
5145     *
5146     * @see #putExtras
5147     * @see #removeExtra
5148     * @see #getCharExtra(String, char)
5149     */
5150    public Intent putExtra(String name, char value) {
5151        if (mExtras == null) {
5152            mExtras = new Bundle();
5153        }
5154        mExtras.putChar(name, value);
5155        return this;
5156    }
5157
5158    /**
5159     * Add extended data to the intent.  The name must include a package
5160     * prefix, for example the app com.android.contacts would use names
5161     * like "com.android.contacts.ShowAll".
5162     *
5163     * @param name The name of the extra data, with package prefix.
5164     * @param value The short data value.
5165     *
5166     * @return Returns the same Intent object, for chaining multiple calls
5167     * into a single statement.
5168     *
5169     * @see #putExtras
5170     * @see #removeExtra
5171     * @see #getShortExtra(String, short)
5172     */
5173    public Intent putExtra(String name, short value) {
5174        if (mExtras == null) {
5175            mExtras = new Bundle();
5176        }
5177        mExtras.putShort(name, value);
5178        return this;
5179    }
5180
5181    /**
5182     * Add extended data to the intent.  The name must include a package
5183     * prefix, for example the app com.android.contacts would use names
5184     * like "com.android.contacts.ShowAll".
5185     *
5186     * @param name The name of the extra data, with package prefix.
5187     * @param value The integer data value.
5188     *
5189     * @return Returns the same Intent object, for chaining multiple calls
5190     * into a single statement.
5191     *
5192     * @see #putExtras
5193     * @see #removeExtra
5194     * @see #getIntExtra(String, int)
5195     */
5196    public Intent putExtra(String name, int value) {
5197        if (mExtras == null) {
5198            mExtras = new Bundle();
5199        }
5200        mExtras.putInt(name, value);
5201        return this;
5202    }
5203
5204    /**
5205     * Add extended data to the intent.  The name must include a package
5206     * prefix, for example the app com.android.contacts would use names
5207     * like "com.android.contacts.ShowAll".
5208     *
5209     * @param name The name of the extra data, with package prefix.
5210     * @param value The long data value.
5211     *
5212     * @return Returns the same Intent object, for chaining multiple calls
5213     * into a single statement.
5214     *
5215     * @see #putExtras
5216     * @see #removeExtra
5217     * @see #getLongExtra(String, long)
5218     */
5219    public Intent putExtra(String name, long value) {
5220        if (mExtras == null) {
5221            mExtras = new Bundle();
5222        }
5223        mExtras.putLong(name, value);
5224        return this;
5225    }
5226
5227    /**
5228     * Add extended data to the intent.  The name must include a package
5229     * prefix, for example the app com.android.contacts would use names
5230     * like "com.android.contacts.ShowAll".
5231     *
5232     * @param name The name of the extra data, with package prefix.
5233     * @param value The float data value.
5234     *
5235     * @return Returns the same Intent object, for chaining multiple calls
5236     * into a single statement.
5237     *
5238     * @see #putExtras
5239     * @see #removeExtra
5240     * @see #getFloatExtra(String, float)
5241     */
5242    public Intent putExtra(String name, float value) {
5243        if (mExtras == null) {
5244            mExtras = new Bundle();
5245        }
5246        mExtras.putFloat(name, value);
5247        return this;
5248    }
5249
5250    /**
5251     * Add extended data to the intent.  The name must include a package
5252     * prefix, for example the app com.android.contacts would use names
5253     * like "com.android.contacts.ShowAll".
5254     *
5255     * @param name The name of the extra data, with package prefix.
5256     * @param value The double data value.
5257     *
5258     * @return Returns the same Intent object, for chaining multiple calls
5259     * into a single statement.
5260     *
5261     * @see #putExtras
5262     * @see #removeExtra
5263     * @see #getDoubleExtra(String, double)
5264     */
5265    public Intent putExtra(String name, double value) {
5266        if (mExtras == null) {
5267            mExtras = new Bundle();
5268        }
5269        mExtras.putDouble(name, value);
5270        return this;
5271    }
5272
5273    /**
5274     * Add extended data to the intent.  The name must include a package
5275     * prefix, for example the app com.android.contacts would use names
5276     * like "com.android.contacts.ShowAll".
5277     *
5278     * @param name The name of the extra data, with package prefix.
5279     * @param value The String data value.
5280     *
5281     * @return Returns the same Intent object, for chaining multiple calls
5282     * into a single statement.
5283     *
5284     * @see #putExtras
5285     * @see #removeExtra
5286     * @see #getStringExtra(String)
5287     */
5288    public Intent putExtra(String name, String value) {
5289        if (mExtras == null) {
5290            mExtras = new Bundle();
5291        }
5292        mExtras.putString(name, value);
5293        return this;
5294    }
5295
5296    /**
5297     * Add extended data to the intent.  The name must include a package
5298     * prefix, for example the app com.android.contacts would use names
5299     * like "com.android.contacts.ShowAll".
5300     *
5301     * @param name The name of the extra data, with package prefix.
5302     * @param value The CharSequence data value.
5303     *
5304     * @return Returns the same Intent object, for chaining multiple calls
5305     * into a single statement.
5306     *
5307     * @see #putExtras
5308     * @see #removeExtra
5309     * @see #getCharSequenceExtra(String)
5310     */
5311    public Intent putExtra(String name, CharSequence value) {
5312        if (mExtras == null) {
5313            mExtras = new Bundle();
5314        }
5315        mExtras.putCharSequence(name, value);
5316        return this;
5317    }
5318
5319    /**
5320     * Add extended data to the intent.  The name must include a package
5321     * prefix, for example the app com.android.contacts would use names
5322     * like "com.android.contacts.ShowAll".
5323     *
5324     * @param name The name of the extra data, with package prefix.
5325     * @param value The Parcelable data value.
5326     *
5327     * @return Returns the same Intent object, for chaining multiple calls
5328     * into a single statement.
5329     *
5330     * @see #putExtras
5331     * @see #removeExtra
5332     * @see #getParcelableExtra(String)
5333     */
5334    public Intent putExtra(String name, Parcelable value) {
5335        if (mExtras == null) {
5336            mExtras = new Bundle();
5337        }
5338        mExtras.putParcelable(name, value);
5339        return this;
5340    }
5341
5342    /**
5343     * Add extended data to the intent.  The name must include a package
5344     * prefix, for example the app com.android.contacts would use names
5345     * like "com.android.contacts.ShowAll".
5346     *
5347     * @param name The name of the extra data, with package prefix.
5348     * @param value The Parcelable[] data value.
5349     *
5350     * @return Returns the same Intent object, for chaining multiple calls
5351     * into a single statement.
5352     *
5353     * @see #putExtras
5354     * @see #removeExtra
5355     * @see #getParcelableArrayExtra(String)
5356     */
5357    public Intent putExtra(String name, Parcelable[] value) {
5358        if (mExtras == null) {
5359            mExtras = new Bundle();
5360        }
5361        mExtras.putParcelableArray(name, value);
5362        return this;
5363    }
5364
5365    /**
5366     * Add extended data to the intent.  The name must include a package
5367     * prefix, for example the app com.android.contacts would use names
5368     * like "com.android.contacts.ShowAll".
5369     *
5370     * @param name The name of the extra data, with package prefix.
5371     * @param value The ArrayList<Parcelable> data value.
5372     *
5373     * @return Returns the same Intent object, for chaining multiple calls
5374     * into a single statement.
5375     *
5376     * @see #putExtras
5377     * @see #removeExtra
5378     * @see #getParcelableArrayListExtra(String)
5379     */
5380    public Intent putParcelableArrayListExtra(String name, ArrayList<? extends Parcelable> value) {
5381        if (mExtras == null) {
5382            mExtras = new Bundle();
5383        }
5384        mExtras.putParcelableArrayList(name, value);
5385        return this;
5386    }
5387
5388    /**
5389     * Add extended data to the intent.  The name must include a package
5390     * prefix, for example the app com.android.contacts would use names
5391     * like "com.android.contacts.ShowAll".
5392     *
5393     * @param name The name of the extra data, with package prefix.
5394     * @param value The ArrayList<Integer> data value.
5395     *
5396     * @return Returns the same Intent object, for chaining multiple calls
5397     * into a single statement.
5398     *
5399     * @see #putExtras
5400     * @see #removeExtra
5401     * @see #getIntegerArrayListExtra(String)
5402     */
5403    public Intent putIntegerArrayListExtra(String name, ArrayList<Integer> value) {
5404        if (mExtras == null) {
5405            mExtras = new Bundle();
5406        }
5407        mExtras.putIntegerArrayList(name, value);
5408        return this;
5409    }
5410
5411    /**
5412     * Add extended data to the intent.  The name must include a package
5413     * prefix, for example the app com.android.contacts would use names
5414     * like "com.android.contacts.ShowAll".
5415     *
5416     * @param name The name of the extra data, with package prefix.
5417     * @param value The ArrayList<String> data value.
5418     *
5419     * @return Returns the same Intent object, for chaining multiple calls
5420     * into a single statement.
5421     *
5422     * @see #putExtras
5423     * @see #removeExtra
5424     * @see #getStringArrayListExtra(String)
5425     */
5426    public Intent putStringArrayListExtra(String name, ArrayList<String> value) {
5427        if (mExtras == null) {
5428            mExtras = new Bundle();
5429        }
5430        mExtras.putStringArrayList(name, value);
5431        return this;
5432    }
5433
5434    /**
5435     * Add extended data to the intent.  The name must include a package
5436     * prefix, for example the app com.android.contacts would use names
5437     * like "com.android.contacts.ShowAll".
5438     *
5439     * @param name The name of the extra data, with package prefix.
5440     * @param value The ArrayList<CharSequence> data value.
5441     *
5442     * @return Returns the same Intent object, for chaining multiple calls
5443     * into a single statement.
5444     *
5445     * @see #putExtras
5446     * @see #removeExtra
5447     * @see #getCharSequenceArrayListExtra(String)
5448     */
5449    public Intent putCharSequenceArrayListExtra(String name, ArrayList<CharSequence> value) {
5450        if (mExtras == null) {
5451            mExtras = new Bundle();
5452        }
5453        mExtras.putCharSequenceArrayList(name, value);
5454        return this;
5455    }
5456
5457    /**
5458     * Add extended data to the intent.  The name must include a package
5459     * prefix, for example the app com.android.contacts would use names
5460     * like "com.android.contacts.ShowAll".
5461     *
5462     * @param name The name of the extra data, with package prefix.
5463     * @param value The Serializable data value.
5464     *
5465     * @return Returns the same Intent object, for chaining multiple calls
5466     * into a single statement.
5467     *
5468     * @see #putExtras
5469     * @see #removeExtra
5470     * @see #getSerializableExtra(String)
5471     */
5472    public Intent putExtra(String name, Serializable value) {
5473        if (mExtras == null) {
5474            mExtras = new Bundle();
5475        }
5476        mExtras.putSerializable(name, value);
5477        return this;
5478    }
5479
5480    /**
5481     * Add extended data to the intent.  The name must include a package
5482     * prefix, for example the app com.android.contacts would use names
5483     * like "com.android.contacts.ShowAll".
5484     *
5485     * @param name The name of the extra data, with package prefix.
5486     * @param value The boolean array data value.
5487     *
5488     * @return Returns the same Intent object, for chaining multiple calls
5489     * into a single statement.
5490     *
5491     * @see #putExtras
5492     * @see #removeExtra
5493     * @see #getBooleanArrayExtra(String)
5494     */
5495    public Intent putExtra(String name, boolean[] value) {
5496        if (mExtras == null) {
5497            mExtras = new Bundle();
5498        }
5499        mExtras.putBooleanArray(name, value);
5500        return this;
5501    }
5502
5503    /**
5504     * Add extended data to the intent.  The name must include a package
5505     * prefix, for example the app com.android.contacts would use names
5506     * like "com.android.contacts.ShowAll".
5507     *
5508     * @param name The name of the extra data, with package prefix.
5509     * @param value The byte array data value.
5510     *
5511     * @return Returns the same Intent object, for chaining multiple calls
5512     * into a single statement.
5513     *
5514     * @see #putExtras
5515     * @see #removeExtra
5516     * @see #getByteArrayExtra(String)
5517     */
5518    public Intent putExtra(String name, byte[] value) {
5519        if (mExtras == null) {
5520            mExtras = new Bundle();
5521        }
5522        mExtras.putByteArray(name, value);
5523        return this;
5524    }
5525
5526    /**
5527     * Add extended data to the intent.  The name must include a package
5528     * prefix, for example the app com.android.contacts would use names
5529     * like "com.android.contacts.ShowAll".
5530     *
5531     * @param name The name of the extra data, with package prefix.
5532     * @param value The short array data value.
5533     *
5534     * @return Returns the same Intent object, for chaining multiple calls
5535     * into a single statement.
5536     *
5537     * @see #putExtras
5538     * @see #removeExtra
5539     * @see #getShortArrayExtra(String)
5540     */
5541    public Intent putExtra(String name, short[] value) {
5542        if (mExtras == null) {
5543            mExtras = new Bundle();
5544        }
5545        mExtras.putShortArray(name, value);
5546        return this;
5547    }
5548
5549    /**
5550     * Add extended data to the intent.  The name must include a package
5551     * prefix, for example the app com.android.contacts would use names
5552     * like "com.android.contacts.ShowAll".
5553     *
5554     * @param name The name of the extra data, with package prefix.
5555     * @param value The char array data value.
5556     *
5557     * @return Returns the same Intent object, for chaining multiple calls
5558     * into a single statement.
5559     *
5560     * @see #putExtras
5561     * @see #removeExtra
5562     * @see #getCharArrayExtra(String)
5563     */
5564    public Intent putExtra(String name, char[] value) {
5565        if (mExtras == null) {
5566            mExtras = new Bundle();
5567        }
5568        mExtras.putCharArray(name, value);
5569        return this;
5570    }
5571
5572    /**
5573     * Add extended data to the intent.  The name must include a package
5574     * prefix, for example the app com.android.contacts would use names
5575     * like "com.android.contacts.ShowAll".
5576     *
5577     * @param name The name of the extra data, with package prefix.
5578     * @param value The int array data value.
5579     *
5580     * @return Returns the same Intent object, for chaining multiple calls
5581     * into a single statement.
5582     *
5583     * @see #putExtras
5584     * @see #removeExtra
5585     * @see #getIntArrayExtra(String)
5586     */
5587    public Intent putExtra(String name, int[] value) {
5588        if (mExtras == null) {
5589            mExtras = new Bundle();
5590        }
5591        mExtras.putIntArray(name, value);
5592        return this;
5593    }
5594
5595    /**
5596     * Add extended data to the intent.  The name must include a package
5597     * prefix, for example the app com.android.contacts would use names
5598     * like "com.android.contacts.ShowAll".
5599     *
5600     * @param name The name of the extra data, with package prefix.
5601     * @param value The byte array data value.
5602     *
5603     * @return Returns the same Intent object, for chaining multiple calls
5604     * into a single statement.
5605     *
5606     * @see #putExtras
5607     * @see #removeExtra
5608     * @see #getLongArrayExtra(String)
5609     */
5610    public Intent putExtra(String name, long[] value) {
5611        if (mExtras == null) {
5612            mExtras = new Bundle();
5613        }
5614        mExtras.putLongArray(name, value);
5615        return this;
5616    }
5617
5618    /**
5619     * Add extended data to the intent.  The name must include a package
5620     * prefix, for example the app com.android.contacts would use names
5621     * like "com.android.contacts.ShowAll".
5622     *
5623     * @param name The name of the extra data, with package prefix.
5624     * @param value The float array data value.
5625     *
5626     * @return Returns the same Intent object, for chaining multiple calls
5627     * into a single statement.
5628     *
5629     * @see #putExtras
5630     * @see #removeExtra
5631     * @see #getFloatArrayExtra(String)
5632     */
5633    public Intent putExtra(String name, float[] value) {
5634        if (mExtras == null) {
5635            mExtras = new Bundle();
5636        }
5637        mExtras.putFloatArray(name, value);
5638        return this;
5639    }
5640
5641    /**
5642     * Add extended data to the intent.  The name must include a package
5643     * prefix, for example the app com.android.contacts would use names
5644     * like "com.android.contacts.ShowAll".
5645     *
5646     * @param name The name of the extra data, with package prefix.
5647     * @param value The double array data value.
5648     *
5649     * @return Returns the same Intent object, for chaining multiple calls
5650     * into a single statement.
5651     *
5652     * @see #putExtras
5653     * @see #removeExtra
5654     * @see #getDoubleArrayExtra(String)
5655     */
5656    public Intent putExtra(String name, double[] value) {
5657        if (mExtras == null) {
5658            mExtras = new Bundle();
5659        }
5660        mExtras.putDoubleArray(name, value);
5661        return this;
5662    }
5663
5664    /**
5665     * Add extended data to the intent.  The name must include a package
5666     * prefix, for example the app com.android.contacts would use names
5667     * like "com.android.contacts.ShowAll".
5668     *
5669     * @param name The name of the extra data, with package prefix.
5670     * @param value The String array data value.
5671     *
5672     * @return Returns the same Intent object, for chaining multiple calls
5673     * into a single statement.
5674     *
5675     * @see #putExtras
5676     * @see #removeExtra
5677     * @see #getStringArrayExtra(String)
5678     */
5679    public Intent putExtra(String name, String[] value) {
5680        if (mExtras == null) {
5681            mExtras = new Bundle();
5682        }
5683        mExtras.putStringArray(name, value);
5684        return this;
5685    }
5686
5687    /**
5688     * Add extended data to the intent.  The name must include a package
5689     * prefix, for example the app com.android.contacts would use names
5690     * like "com.android.contacts.ShowAll".
5691     *
5692     * @param name The name of the extra data, with package prefix.
5693     * @param value The CharSequence array data value.
5694     *
5695     * @return Returns the same Intent object, for chaining multiple calls
5696     * into a single statement.
5697     *
5698     * @see #putExtras
5699     * @see #removeExtra
5700     * @see #getCharSequenceArrayExtra(String)
5701     */
5702    public Intent putExtra(String name, CharSequence[] value) {
5703        if (mExtras == null) {
5704            mExtras = new Bundle();
5705        }
5706        mExtras.putCharSequenceArray(name, value);
5707        return this;
5708    }
5709
5710    /**
5711     * Add extended data to the intent.  The name must include a package
5712     * prefix, for example the app com.android.contacts would use names
5713     * like "com.android.contacts.ShowAll".
5714     *
5715     * @param name The name of the extra data, with package prefix.
5716     * @param value The Bundle data value.
5717     *
5718     * @return Returns the same Intent object, for chaining multiple calls
5719     * into a single statement.
5720     *
5721     * @see #putExtras
5722     * @see #removeExtra
5723     * @see #getBundleExtra(String)
5724     */
5725    public Intent putExtra(String name, Bundle value) {
5726        if (mExtras == null) {
5727            mExtras = new Bundle();
5728        }
5729        mExtras.putBundle(name, value);
5730        return this;
5731    }
5732
5733    /**
5734     * Add extended data to the intent.  The name must include a package
5735     * prefix, for example the app com.android.contacts would use names
5736     * like "com.android.contacts.ShowAll".
5737     *
5738     * @param name The name of the extra data, with package prefix.
5739     * @param value The IBinder data value.
5740     *
5741     * @return Returns the same Intent object, for chaining multiple calls
5742     * into a single statement.
5743     *
5744     * @see #putExtras
5745     * @see #removeExtra
5746     * @see #getIBinderExtra(String)
5747     *
5748     * @deprecated
5749     * @hide
5750     */
5751    @Deprecated
5752    public Intent putExtra(String name, IBinder value) {
5753        if (mExtras == null) {
5754            mExtras = new Bundle();
5755        }
5756        mExtras.putIBinder(name, value);
5757        return this;
5758    }
5759
5760    /**
5761     * Copy all extras in 'src' in to this intent.
5762     *
5763     * @param src Contains the extras to copy.
5764     *
5765     * @see #putExtra
5766     */
5767    public Intent putExtras(Intent src) {
5768        if (src.mExtras != null) {
5769            if (mExtras == null) {
5770                mExtras = new Bundle(src.mExtras);
5771            } else {
5772                mExtras.putAll(src.mExtras);
5773            }
5774        }
5775        return this;
5776    }
5777
5778    /**
5779     * Add a set of extended data to the intent.  The keys must include a package
5780     * prefix, for example the app com.android.contacts would use names
5781     * like "com.android.contacts.ShowAll".
5782     *
5783     * @param extras The Bundle of extras to add to this intent.
5784     *
5785     * @see #putExtra
5786     * @see #removeExtra
5787     */
5788    public Intent putExtras(Bundle extras) {
5789        if (mExtras == null) {
5790            mExtras = new Bundle();
5791        }
5792        mExtras.putAll(extras);
5793        return this;
5794    }
5795
5796    /**
5797     * Completely replace the extras in the Intent with the extras in the
5798     * given Intent.
5799     *
5800     * @param src The exact extras contained in this Intent are copied
5801     * into the target intent, replacing any that were previously there.
5802     */
5803    public Intent replaceExtras(Intent src) {
5804        mExtras = src.mExtras != null ? new Bundle(src.mExtras) : null;
5805        return this;
5806    }
5807
5808    /**
5809     * Completely replace the extras in the Intent with the given Bundle of
5810     * extras.
5811     *
5812     * @param extras The new set of extras in the Intent, or null to erase
5813     * all extras.
5814     */
5815    public Intent replaceExtras(Bundle extras) {
5816        mExtras = extras != null ? new Bundle(extras) : null;
5817        return this;
5818    }
5819
5820    /**
5821     * Remove extended data from the intent.
5822     *
5823     * @see #putExtra
5824     */
5825    public void removeExtra(String name) {
5826        if (mExtras != null) {
5827            mExtras.remove(name);
5828            if (mExtras.size() == 0) {
5829                mExtras = null;
5830            }
5831        }
5832    }
5833
5834    /**
5835     * Set special flags controlling how this intent is handled.  Most values
5836     * here depend on the type of component being executed by the Intent,
5837     * specifically the FLAG_ACTIVITY_* flags are all for use with
5838     * {@link Context#startActivity Context.startActivity()} and the
5839     * FLAG_RECEIVER_* flags are all for use with
5840     * {@link Context#sendBroadcast(Intent) Context.sendBroadcast()}.
5841     *
5842     * <p>See the
5843     * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back
5844     * Stack</a> documentation for important information on how some of these options impact
5845     * the behavior of your application.
5846     *
5847     * @param flags The desired flags.
5848     *
5849     * @return Returns the same Intent object, for chaining multiple calls
5850     * into a single statement.
5851     *
5852     * @see #getFlags
5853     * @see #addFlags
5854     *
5855     * @see #FLAG_GRANT_READ_URI_PERMISSION
5856     * @see #FLAG_GRANT_WRITE_URI_PERMISSION
5857     * @see #FLAG_DEBUG_LOG_RESOLUTION
5858     * @see #FLAG_FROM_BACKGROUND
5859     * @see #FLAG_ACTIVITY_BROUGHT_TO_FRONT
5860     * @see #FLAG_ACTIVITY_CLEAR_TASK
5861     * @see #FLAG_ACTIVITY_CLEAR_TOP
5862     * @see #FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET
5863     * @see #FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
5864     * @see #FLAG_ACTIVITY_FORWARD_RESULT
5865     * @see #FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY
5866     * @see #FLAG_ACTIVITY_MULTIPLE_TASK
5867     * @see #FLAG_ACTIVITY_NEW_TASK
5868     * @see #FLAG_ACTIVITY_NO_ANIMATION
5869     * @see #FLAG_ACTIVITY_NO_HISTORY
5870     * @see #FLAG_ACTIVITY_NO_USER_ACTION
5871     * @see #FLAG_ACTIVITY_PREVIOUS_IS_TOP
5872     * @see #FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
5873     * @see #FLAG_ACTIVITY_REORDER_TO_FRONT
5874     * @see #FLAG_ACTIVITY_SINGLE_TOP
5875     * @see #FLAG_ACTIVITY_TASK_ON_HOME
5876     * @see #FLAG_RECEIVER_REGISTERED_ONLY
5877     */
5878    public Intent setFlags(int flags) {
5879        mFlags = flags;
5880        return this;
5881    }
5882
5883    /**
5884     * Add additional flags to the intent (or with existing flags
5885     * value).
5886     *
5887     * @param flags The new flags to set.
5888     *
5889     * @return Returns the same Intent object, for chaining multiple calls
5890     * into a single statement.
5891     *
5892     * @see #setFlags
5893     */
5894    public Intent addFlags(int flags) {
5895        mFlags |= flags;
5896        return this;
5897    }
5898
5899    /**
5900     * (Usually optional) Set an explicit application package name that limits
5901     * the components this Intent will resolve to.  If left to the default
5902     * value of null, all components in all applications will considered.
5903     * If non-null, the Intent can only match the components in the given
5904     * application package.
5905     *
5906     * @param packageName The name of the application package to handle the
5907     * intent, or null to allow any application package.
5908     *
5909     * @return Returns the same Intent object, for chaining multiple calls
5910     * into a single statement.
5911     *
5912     * @see #getPackage
5913     * @see #resolveActivity
5914     */
5915    public Intent setPackage(String packageName) {
5916        if (packageName != null && mSelector != null) {
5917            throw new IllegalArgumentException(
5918                    "Can't set package name when selector is already set");
5919        }
5920        mPackage = packageName;
5921        return this;
5922    }
5923
5924    /**
5925     * (Usually optional) Explicitly set the component to handle the intent.
5926     * If left with the default value of null, the system will determine the
5927     * appropriate class to use based on the other fields (action, data,
5928     * type, categories) in the Intent.  If this class is defined, the
5929     * specified class will always be used regardless of the other fields.  You
5930     * should only set this value when you know you absolutely want a specific
5931     * class to be used; otherwise it is better to let the system find the
5932     * appropriate class so that you will respect the installed applications
5933     * and user preferences.
5934     *
5935     * @param component The name of the application component to handle the
5936     * intent, or null to let the system find one for you.
5937     *
5938     * @return Returns the same Intent object, for chaining multiple calls
5939     * into a single statement.
5940     *
5941     * @see #setClass
5942     * @see #setClassName(Context, String)
5943     * @see #setClassName(String, String)
5944     * @see #getComponent
5945     * @see #resolveActivity
5946     */
5947    public Intent setComponent(ComponentName component) {
5948        mComponent = component;
5949        return this;
5950    }
5951
5952    /**
5953     * Convenience for calling {@link #setComponent} with an
5954     * explicit class name.
5955     *
5956     * @param packageContext A Context of the application package implementing
5957     * this class.
5958     * @param className The name of a class inside of the application package
5959     * that will be used as the component for this Intent.
5960     *
5961     * @return Returns the same Intent object, for chaining multiple calls
5962     * into a single statement.
5963     *
5964     * @see #setComponent
5965     * @see #setClass
5966     */
5967    public Intent setClassName(Context packageContext, String className) {
5968        mComponent = new ComponentName(packageContext, className);
5969        return this;
5970    }
5971
5972    /**
5973     * Convenience for calling {@link #setComponent} with an
5974     * explicit application package name and class name.
5975     *
5976     * @param packageName The name of the package implementing the desired
5977     * component.
5978     * @param className The name of a class inside of the application package
5979     * that will be used as the component for this Intent.
5980     *
5981     * @return Returns the same Intent object, for chaining multiple calls
5982     * into a single statement.
5983     *
5984     * @see #setComponent
5985     * @see #setClass
5986     */
5987    public Intent setClassName(String packageName, String className) {
5988        mComponent = new ComponentName(packageName, className);
5989        return this;
5990    }
5991
5992    /**
5993     * Convenience for calling {@link #setComponent(ComponentName)} with the
5994     * name returned by a {@link Class} object.
5995     *
5996     * @param packageContext A Context of the application package implementing
5997     * this class.
5998     * @param cls The class name to set, equivalent to
5999     *            <code>setClassName(context, cls.getName())</code>.
6000     *
6001     * @return Returns the same Intent object, for chaining multiple calls
6002     * into a single statement.
6003     *
6004     * @see #setComponent
6005     */
6006    public Intent setClass(Context packageContext, Class<?> cls) {
6007        mComponent = new ComponentName(packageContext, cls);
6008        return this;
6009    }
6010
6011    /**
6012     * Set the bounds of the sender of this intent, in screen coordinates.  This can be
6013     * used as a hint to the receiver for animations and the like.  Null means that there
6014     * is no source bounds.
6015     */
6016    public void setSourceBounds(Rect r) {
6017        if (r != null) {
6018            mSourceBounds = new Rect(r);
6019        } else {
6020            mSourceBounds = null;
6021        }
6022    }
6023
6024    /**
6025     * Use with {@link #fillIn} to allow the current action value to be
6026     * overwritten, even if it is already set.
6027     */
6028    public static final int FILL_IN_ACTION = 1<<0;
6029
6030    /**
6031     * Use with {@link #fillIn} to allow the current data or type value
6032     * overwritten, even if it is already set.
6033     */
6034    public static final int FILL_IN_DATA = 1<<1;
6035
6036    /**
6037     * Use with {@link #fillIn} to allow the current categories to be
6038     * overwritten, even if they are already set.
6039     */
6040    public static final int FILL_IN_CATEGORIES = 1<<2;
6041
6042    /**
6043     * Use with {@link #fillIn} to allow the current component value to be
6044     * overwritten, even if it is already set.
6045     */
6046    public static final int FILL_IN_COMPONENT = 1<<3;
6047
6048    /**
6049     * Use with {@link #fillIn} to allow the current package value to be
6050     * overwritten, even if it is already set.
6051     */
6052    public static final int FILL_IN_PACKAGE = 1<<4;
6053
6054    /**
6055     * Use with {@link #fillIn} to allow the current bounds rectangle to be
6056     * overwritten, even if it is already set.
6057     */
6058    public static final int FILL_IN_SOURCE_BOUNDS = 1<<5;
6059
6060    /**
6061     * Use with {@link #fillIn} to allow the current selector to be
6062     * overwritten, even if it is already set.
6063     */
6064    public static final int FILL_IN_SELECTOR = 1<<6;
6065
6066    /**
6067     * Use with {@link #fillIn} to allow the current ClipData to be
6068     * overwritten, even if it is already set.
6069     */
6070    public static final int FILL_IN_CLIP_DATA = 1<<7;
6071
6072    /**
6073     * Copy the contents of <var>other</var> in to this object, but only
6074     * where fields are not defined by this object.  For purposes of a field
6075     * being defined, the following pieces of data in the Intent are
6076     * considered to be separate fields:
6077     *
6078     * <ul>
6079     * <li> action, as set by {@link #setAction}.
6080     * <li> data Uri and MIME type, as set by {@link #setData(Uri)},
6081     * {@link #setType(String)}, or {@link #setDataAndType(Uri, String)}.
6082     * <li> categories, as set by {@link #addCategory}.
6083     * <li> package, as set by {@link #setPackage}.
6084     * <li> component, as set by {@link #setComponent(ComponentName)} or
6085     * related methods.
6086     * <li> source bounds, as set by {@link #setSourceBounds}.
6087     * <li> selector, as set by {@link #setSelector(Intent)}.
6088     * <li> clip data, as set by {@link #setClipData(ClipData)}.
6089     * <li> each top-level name in the associated extras.
6090     * </ul>
6091     *
6092     * <p>In addition, you can use the {@link #FILL_IN_ACTION},
6093     * {@link #FILL_IN_DATA}, {@link #FILL_IN_CATEGORIES}, {@link #FILL_IN_PACKAGE},
6094     * {@link #FILL_IN_COMPONENT}, {@link #FILL_IN_SOURCE_BOUNDS},
6095     * {@link #FILL_IN_SELECTOR}, and {@link #FILL_IN_CLIP_DATA} to override
6096     * the restriction where the corresponding field will not be replaced if
6097     * it is already set.
6098     *
6099     * <p>Note: The component field will only be copied if {@link #FILL_IN_COMPONENT}
6100     * is explicitly specified.  The selector will only be copied if
6101     * {@link #FILL_IN_SELECTOR} is explicitly specified.
6102     *
6103     * <p>For example, consider Intent A with {data="foo", categories="bar"}
6104     * and Intent B with {action="gotit", data-type="some/thing",
6105     * categories="one","two"}.
6106     *
6107     * <p>Calling A.fillIn(B, Intent.FILL_IN_DATA) will result in A now
6108     * containing: {action="gotit", data-type="some/thing",
6109     * categories="bar"}.
6110     *
6111     * @param other Another Intent whose values are to be used to fill in
6112     * the current one.
6113     * @param flags Options to control which fields can be filled in.
6114     *
6115     * @return Returns a bit mask of {@link #FILL_IN_ACTION},
6116     * {@link #FILL_IN_DATA}, {@link #FILL_IN_CATEGORIES}, {@link #FILL_IN_PACKAGE},
6117     * {@link #FILL_IN_COMPONENT}, {@link #FILL_IN_SOURCE_BOUNDS}, and
6118     * {@link #FILL_IN_SELECTOR} indicating which fields were changed.
6119     */
6120    public int fillIn(Intent other, int flags) {
6121        int changes = 0;
6122        if (other.mAction != null
6123                && (mAction == null || (flags&FILL_IN_ACTION) != 0)) {
6124            mAction = other.mAction;
6125            changes |= FILL_IN_ACTION;
6126        }
6127        if ((other.mData != null || other.mType != null)
6128                && ((mData == null && mType == null)
6129                        || (flags&FILL_IN_DATA) != 0)) {
6130            mData = other.mData;
6131            mType = other.mType;
6132            changes |= FILL_IN_DATA;
6133        }
6134        if (other.mCategories != null
6135                && (mCategories == null || (flags&FILL_IN_CATEGORIES) != 0)) {
6136            if (other.mCategories != null) {
6137                mCategories = new HashSet<String>(other.mCategories);
6138            }
6139            changes |= FILL_IN_CATEGORIES;
6140        }
6141        if (other.mPackage != null
6142                && (mPackage == null || (flags&FILL_IN_PACKAGE) != 0)) {
6143            // Only do this if mSelector is not set.
6144            if (mSelector == null) {
6145                mPackage = other.mPackage;
6146                changes |= FILL_IN_PACKAGE;
6147            }
6148        }
6149        // Selector is special: it can only be set if explicitly allowed,
6150        // for the same reason as the component name.
6151        if (other.mSelector != null && (flags&FILL_IN_SELECTOR) != 0) {
6152            if (mPackage == null) {
6153                mSelector = new Intent(other.mSelector);
6154                mPackage = null;
6155                changes |= FILL_IN_SELECTOR;
6156            }
6157        }
6158        if (other.mClipData != null
6159                && (mClipData == null || (flags&FILL_IN_CLIP_DATA) != 0)) {
6160            mClipData = other.mClipData;
6161            changes |= FILL_IN_CLIP_DATA;
6162        }
6163        // Component is special: it can -only- be set if explicitly allowed,
6164        // since otherwise the sender could force the intent somewhere the
6165        // originator didn't intend.
6166        if (other.mComponent != null && (flags&FILL_IN_COMPONENT) != 0) {
6167            mComponent = other.mComponent;
6168            changes |= FILL_IN_COMPONENT;
6169        }
6170        mFlags |= other.mFlags;
6171        if (other.mSourceBounds != null
6172                && (mSourceBounds == null || (flags&FILL_IN_SOURCE_BOUNDS) != 0)) {
6173            mSourceBounds = new Rect(other.mSourceBounds);
6174            changes |= FILL_IN_SOURCE_BOUNDS;
6175        }
6176        if (mExtras == null) {
6177            if (other.mExtras != null) {
6178                mExtras = new Bundle(other.mExtras);
6179            }
6180        } else if (other.mExtras != null) {
6181            try {
6182                Bundle newb = new Bundle(other.mExtras);
6183                newb.putAll(mExtras);
6184                mExtras = newb;
6185            } catch (RuntimeException e) {
6186                // Modifying the extras can cause us to unparcel the contents
6187                // of the bundle, and if we do this in the system process that
6188                // may fail.  We really should handle this (i.e., the Bundle
6189                // impl shouldn't be on top of a plain map), but for now just
6190                // ignore it and keep the original contents. :(
6191                Log.w("Intent", "Failure filling in extras", e);
6192            }
6193        }
6194        return changes;
6195    }
6196
6197    /**
6198     * Wrapper class holding an Intent and implementing comparisons on it for
6199     * the purpose of filtering.  The class implements its
6200     * {@link #equals equals()} and {@link #hashCode hashCode()} methods as
6201     * simple calls to {@link Intent#filterEquals(Intent)}  filterEquals()} and
6202     * {@link android.content.Intent#filterHashCode()}  filterHashCode()}
6203     * on the wrapped Intent.
6204     */
6205    public static final class FilterComparison {
6206        private final Intent mIntent;
6207        private final int mHashCode;
6208
6209        public FilterComparison(Intent intent) {
6210            mIntent = intent;
6211            mHashCode = intent.filterHashCode();
6212        }
6213
6214        /**
6215         * Return the Intent that this FilterComparison represents.
6216         * @return Returns the Intent held by the FilterComparison.  Do
6217         * not modify!
6218         */
6219        public Intent getIntent() {
6220            return mIntent;
6221        }
6222
6223        @Override
6224        public boolean equals(Object obj) {
6225            if (obj instanceof FilterComparison) {
6226                Intent other = ((FilterComparison)obj).mIntent;
6227                return mIntent.filterEquals(other);
6228            }
6229            return false;
6230        }
6231
6232        @Override
6233        public int hashCode() {
6234            return mHashCode;
6235        }
6236    }
6237
6238    /**
6239     * Determine if two intents are the same for the purposes of intent
6240     * resolution (filtering). That is, if their action, data, type,
6241     * class, and categories are the same.  This does <em>not</em> compare
6242     * any extra data included in the intents.
6243     *
6244     * @param other The other Intent to compare against.
6245     *
6246     * @return Returns true if action, data, type, class, and categories
6247     *         are the same.
6248     */
6249    public boolean filterEquals(Intent other) {
6250        if (other == null) {
6251            return false;
6252        }
6253        if (mAction != other.mAction) {
6254            if (mAction != null) {
6255                if (!mAction.equals(other.mAction)) {
6256                    return false;
6257                }
6258            } else {
6259                if (!other.mAction.equals(mAction)) {
6260                    return false;
6261                }
6262            }
6263        }
6264        if (mData != other.mData) {
6265            if (mData != null) {
6266                if (!mData.equals(other.mData)) {
6267                    return false;
6268                }
6269            } else {
6270                if (!other.mData.equals(mData)) {
6271                    return false;
6272                }
6273            }
6274        }
6275        if (mType != other.mType) {
6276            if (mType != null) {
6277                if (!mType.equals(other.mType)) {
6278                    return false;
6279                }
6280            } else {
6281                if (!other.mType.equals(mType)) {
6282                    return false;
6283                }
6284            }
6285        }
6286        if (mPackage != other.mPackage) {
6287            if (mPackage != null) {
6288                if (!mPackage.equals(other.mPackage)) {
6289                    return false;
6290                }
6291            } else {
6292                if (!other.mPackage.equals(mPackage)) {
6293                    return false;
6294                }
6295            }
6296        }
6297        if (mComponent != other.mComponent) {
6298            if (mComponent != null) {
6299                if (!mComponent.equals(other.mComponent)) {
6300                    return false;
6301                }
6302            } else {
6303                if (!other.mComponent.equals(mComponent)) {
6304                    return false;
6305                }
6306            }
6307        }
6308        if (mCategories != other.mCategories) {
6309            if (mCategories != null) {
6310                if (!mCategories.equals(other.mCategories)) {
6311                    return false;
6312                }
6313            } else {
6314                if (!other.mCategories.equals(mCategories)) {
6315                    return false;
6316                }
6317            }
6318        }
6319
6320        return true;
6321    }
6322
6323    /**
6324     * Generate hash code that matches semantics of filterEquals().
6325     *
6326     * @return Returns the hash value of the action, data, type, class, and
6327     *         categories.
6328     *
6329     * @see #filterEquals
6330     */
6331    public int filterHashCode() {
6332        int code = 0;
6333        if (mAction != null) {
6334            code += mAction.hashCode();
6335        }
6336        if (mData != null) {
6337            code += mData.hashCode();
6338        }
6339        if (mType != null) {
6340            code += mType.hashCode();
6341        }
6342        if (mPackage != null) {
6343            code += mPackage.hashCode();
6344        }
6345        if (mComponent != null) {
6346            code += mComponent.hashCode();
6347        }
6348        if (mCategories != null) {
6349            code += mCategories.hashCode();
6350        }
6351        return code;
6352    }
6353
6354    @Override
6355    public String toString() {
6356        StringBuilder b = new StringBuilder(128);
6357
6358        b.append("Intent { ");
6359        toShortString(b, true, true, true, false);
6360        b.append(" }");
6361
6362        return b.toString();
6363    }
6364
6365    /** @hide */
6366    public String toInsecureString() {
6367        StringBuilder b = new StringBuilder(128);
6368
6369        b.append("Intent { ");
6370        toShortString(b, false, true, true, false);
6371        b.append(" }");
6372
6373        return b.toString();
6374    }
6375
6376    /** @hide */
6377    public String toInsecureStringWithClip() {
6378        StringBuilder b = new StringBuilder(128);
6379
6380        b.append("Intent { ");
6381        toShortString(b, false, true, true, true);
6382        b.append(" }");
6383
6384        return b.toString();
6385    }
6386
6387    /** @hide */
6388    public String toShortString(boolean secure, boolean comp, boolean extras, boolean clip) {
6389        StringBuilder b = new StringBuilder(128);
6390        toShortString(b, secure, comp, extras, clip);
6391        return b.toString();
6392    }
6393
6394    /** @hide */
6395    public void toShortString(StringBuilder b, boolean secure, boolean comp, boolean extras,
6396            boolean clip) {
6397        boolean first = true;
6398        if (mAction != null) {
6399            b.append("act=").append(mAction);
6400            first = false;
6401        }
6402        if (mCategories != null) {
6403            if (!first) {
6404                b.append(' ');
6405            }
6406            first = false;
6407            b.append("cat=[");
6408            Iterator<String> i = mCategories.iterator();
6409            boolean didone = false;
6410            while (i.hasNext()) {
6411                if (didone) b.append(",");
6412                didone = true;
6413                b.append(i.next());
6414            }
6415            b.append("]");
6416        }
6417        if (mData != null) {
6418            if (!first) {
6419                b.append(' ');
6420            }
6421            first = false;
6422            b.append("dat=");
6423            if (secure) {
6424                b.append(mData.toSafeString());
6425            } else {
6426                b.append(mData);
6427            }
6428        }
6429        if (mType != null) {
6430            if (!first) {
6431                b.append(' ');
6432            }
6433            first = false;
6434            b.append("typ=").append(mType);
6435        }
6436        if (mFlags != 0) {
6437            if (!first) {
6438                b.append(' ');
6439            }
6440            first = false;
6441            b.append("flg=0x").append(Integer.toHexString(mFlags));
6442        }
6443        if (mPackage != null) {
6444            if (!first) {
6445                b.append(' ');
6446            }
6447            first = false;
6448            b.append("pkg=").append(mPackage);
6449        }
6450        if (comp && mComponent != null) {
6451            if (!first) {
6452                b.append(' ');
6453            }
6454            first = false;
6455            b.append("cmp=").append(mComponent.flattenToShortString());
6456        }
6457        if (mSourceBounds != null) {
6458            if (!first) {
6459                b.append(' ');
6460            }
6461            first = false;
6462            b.append("bnds=").append(mSourceBounds.toShortString());
6463        }
6464        if (mClipData != null) {
6465            if (!first) {
6466                b.append(' ');
6467            }
6468            first = false;
6469            if (clip) {
6470                b.append("clip={");
6471                mClipData.toShortString(b);
6472                b.append('}');
6473            } else {
6474                b.append("(has clip)");
6475            }
6476        }
6477        if (extras && mExtras != null) {
6478            if (!first) {
6479                b.append(' ');
6480            }
6481            first = false;
6482            b.append("(has extras)");
6483        }
6484        if (mSelector != null) {
6485            b.append(" sel={");
6486            mSelector.toShortString(b, secure, comp, extras, clip);
6487            b.append("}");
6488        }
6489    }
6490
6491    /**
6492     * Call {@link #toUri} with 0 flags.
6493     * @deprecated Use {@link #toUri} instead.
6494     */
6495    @Deprecated
6496    public String toURI() {
6497        return toUri(0);
6498    }
6499
6500    /**
6501     * Convert this Intent into a String holding a URI representation of it.
6502     * The returned URI string has been properly URI encoded, so it can be
6503     * used with {@link Uri#parse Uri.parse(String)}.  The URI contains the
6504     * Intent's data as the base URI, with an additional fragment describing
6505     * the action, categories, type, flags, package, component, and extras.
6506     *
6507     * <p>You can convert the returned string back to an Intent with
6508     * {@link #getIntent}.
6509     *
6510     * @param flags Additional operating flags.  Either 0 or
6511     * {@link #URI_INTENT_SCHEME}.
6512     *
6513     * @return Returns a URI encoding URI string describing the entire contents
6514     * of the Intent.
6515     */
6516    public String toUri(int flags) {
6517        StringBuilder uri = new StringBuilder(128);
6518        String scheme = null;
6519        if (mData != null) {
6520            String data = mData.toString();
6521            if ((flags&URI_INTENT_SCHEME) != 0) {
6522                final int N = data.length();
6523                for (int i=0; i<N; i++) {
6524                    char c = data.charAt(i);
6525                    if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')
6526                            || c == '.' || c == '-') {
6527                        continue;
6528                    }
6529                    if (c == ':' && i > 0) {
6530                        // Valid scheme.
6531                        scheme = data.substring(0, i);
6532                        uri.append("intent:");
6533                        data = data.substring(i+1);
6534                        break;
6535                    }
6536
6537                    // No scheme.
6538                    break;
6539                }
6540            }
6541            uri.append(data);
6542
6543        } else if ((flags&URI_INTENT_SCHEME) != 0) {
6544            uri.append("intent:");
6545        }
6546
6547        uri.append("#Intent;");
6548
6549        toUriInner(uri, scheme, flags);
6550        if (mSelector != null) {
6551            uri.append("SEL;");
6552            // Note that for now we are not going to try to handle the
6553            // data part; not clear how to represent this as a URI, and
6554            // not much utility in it.
6555            mSelector.toUriInner(uri, null, flags);
6556        }
6557
6558        uri.append("end");
6559
6560        return uri.toString();
6561    }
6562
6563    private void toUriInner(StringBuilder uri, String scheme, int flags) {
6564        if (scheme != null) {
6565            uri.append("scheme=").append(scheme).append(';');
6566        }
6567        if (mAction != null) {
6568            uri.append("action=").append(Uri.encode(mAction)).append(';');
6569        }
6570        if (mCategories != null) {
6571            for (String category : mCategories) {
6572                uri.append("category=").append(Uri.encode(category)).append(';');
6573            }
6574        }
6575        if (mType != null) {
6576            uri.append("type=").append(Uri.encode(mType, "/")).append(';');
6577        }
6578        if (mFlags != 0) {
6579            uri.append("launchFlags=0x").append(Integer.toHexString(mFlags)).append(';');
6580        }
6581        if (mPackage != null) {
6582            uri.append("package=").append(Uri.encode(mPackage)).append(';');
6583        }
6584        if (mComponent != null) {
6585            uri.append("component=").append(Uri.encode(
6586                    mComponent.flattenToShortString(), "/")).append(';');
6587        }
6588        if (mSourceBounds != null) {
6589            uri.append("sourceBounds=")
6590                    .append(Uri.encode(mSourceBounds.flattenToString()))
6591                    .append(';');
6592        }
6593        if (mExtras != null) {
6594            for (String key : mExtras.keySet()) {
6595                final Object value = mExtras.get(key);
6596                char entryType =
6597                        value instanceof String    ? 'S' :
6598                        value instanceof Boolean   ? 'B' :
6599                        value instanceof Byte      ? 'b' :
6600                        value instanceof Character ? 'c' :
6601                        value instanceof Double    ? 'd' :
6602                        value instanceof Float     ? 'f' :
6603                        value instanceof Integer   ? 'i' :
6604                        value instanceof Long      ? 'l' :
6605                        value instanceof Short     ? 's' :
6606                        '\0';
6607
6608                if (entryType != '\0') {
6609                    uri.append(entryType);
6610                    uri.append('.');
6611                    uri.append(Uri.encode(key));
6612                    uri.append('=');
6613                    uri.append(Uri.encode(value.toString()));
6614                    uri.append(';');
6615                }
6616            }
6617        }
6618    }
6619
6620    public int describeContents() {
6621        return (mExtras != null) ? mExtras.describeContents() : 0;
6622    }
6623
6624    public void writeToParcel(Parcel out, int flags) {
6625        out.writeString(mAction);
6626        Uri.writeToParcel(out, mData);
6627        out.writeString(mType);
6628        out.writeInt(mFlags);
6629        out.writeString(mPackage);
6630        ComponentName.writeToParcel(mComponent, out);
6631
6632        if (mSourceBounds != null) {
6633            out.writeInt(1);
6634            mSourceBounds.writeToParcel(out, flags);
6635        } else {
6636            out.writeInt(0);
6637        }
6638
6639        if (mCategories != null) {
6640            out.writeInt(mCategories.size());
6641            for (String category : mCategories) {
6642                out.writeString(category);
6643            }
6644        } else {
6645            out.writeInt(0);
6646        }
6647
6648        if (mSelector != null) {
6649            out.writeInt(1);
6650            mSelector.writeToParcel(out, flags);
6651        } else {
6652            out.writeInt(0);
6653        }
6654
6655        if (mClipData != null) {
6656            out.writeInt(1);
6657            mClipData.writeToParcel(out, flags);
6658        } else {
6659            out.writeInt(0);
6660        }
6661
6662        out.writeBundle(mExtras);
6663    }
6664
6665    public static final Parcelable.Creator<Intent> CREATOR
6666            = new Parcelable.Creator<Intent>() {
6667        public Intent createFromParcel(Parcel in) {
6668            return new Intent(in);
6669        }
6670        public Intent[] newArray(int size) {
6671            return new Intent[size];
6672        }
6673    };
6674
6675    /** @hide */
6676    protected Intent(Parcel in) {
6677        readFromParcel(in);
6678    }
6679
6680    public void readFromParcel(Parcel in) {
6681        setAction(in.readString());
6682        mData = Uri.CREATOR.createFromParcel(in);
6683        mType = in.readString();
6684        mFlags = in.readInt();
6685        mPackage = in.readString();
6686        mComponent = ComponentName.readFromParcel(in);
6687
6688        if (in.readInt() != 0) {
6689            mSourceBounds = Rect.CREATOR.createFromParcel(in);
6690        }
6691
6692        int N = in.readInt();
6693        if (N > 0) {
6694            mCategories = new HashSet<String>();
6695            int i;
6696            for (i=0; i<N; i++) {
6697                mCategories.add(in.readString().intern());
6698            }
6699        } else {
6700            mCategories = null;
6701        }
6702
6703        if (in.readInt() != 0) {
6704            mSelector = new Intent(in);
6705        }
6706
6707        if (in.readInt() != 0) {
6708            mClipData = new ClipData(in);
6709        }
6710
6711        mExtras = in.readBundle();
6712    }
6713
6714    /**
6715     * Parses the "intent" element (and its children) from XML and instantiates
6716     * an Intent object.  The given XML parser should be located at the tag
6717     * where parsing should start (often named "intent"), from which the
6718     * basic action, data, type, and package and class name will be
6719     * retrieved.  The function will then parse in to any child elements,
6720     * looking for <category android:name="xxx"> tags to add categories and
6721     * <extra android:name="xxx" android:value="yyy"> to attach extra data
6722     * to the intent.
6723     *
6724     * @param resources The Resources to use when inflating resources.
6725     * @param parser The XML parser pointing at an "intent" tag.
6726     * @param attrs The AttributeSet interface for retrieving extended
6727     * attribute data at the current <var>parser</var> location.
6728     * @return An Intent object matching the XML data.
6729     * @throws XmlPullParserException If there was an XML parsing error.
6730     * @throws IOException If there was an I/O error.
6731     */
6732    public static Intent parseIntent(Resources resources, XmlPullParser parser, AttributeSet attrs)
6733            throws XmlPullParserException, IOException {
6734        Intent intent = new Intent();
6735
6736        TypedArray sa = resources.obtainAttributes(attrs,
6737                com.android.internal.R.styleable.Intent);
6738
6739        intent.setAction(sa.getString(com.android.internal.R.styleable.Intent_action));
6740
6741        String data = sa.getString(com.android.internal.R.styleable.Intent_data);
6742        String mimeType = sa.getString(com.android.internal.R.styleable.Intent_mimeType);
6743        intent.setDataAndType(data != null ? Uri.parse(data) : null, mimeType);
6744
6745        String packageName = sa.getString(com.android.internal.R.styleable.Intent_targetPackage);
6746        String className = sa.getString(com.android.internal.R.styleable.Intent_targetClass);
6747        if (packageName != null && className != null) {
6748            intent.setComponent(new ComponentName(packageName, className));
6749        }
6750
6751        sa.recycle();
6752
6753        int outerDepth = parser.getDepth();
6754        int type;
6755        while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
6756               && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
6757            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
6758                continue;
6759            }
6760
6761            String nodeName = parser.getName();
6762            if (nodeName.equals("category")) {
6763                sa = resources.obtainAttributes(attrs,
6764                        com.android.internal.R.styleable.IntentCategory);
6765                String cat = sa.getString(com.android.internal.R.styleable.IntentCategory_name);
6766                sa.recycle();
6767
6768                if (cat != null) {
6769                    intent.addCategory(cat);
6770                }
6771                XmlUtils.skipCurrentTag(parser);
6772
6773            } else if (nodeName.equals("extra")) {
6774                if (intent.mExtras == null) {
6775                    intent.mExtras = new Bundle();
6776                }
6777                resources.parseBundleExtra("extra", attrs, intent.mExtras);
6778                XmlUtils.skipCurrentTag(parser);
6779
6780            } else {
6781                XmlUtils.skipCurrentTag(parser);
6782            }
6783        }
6784
6785        return intent;
6786    }
6787
6788    /**
6789     * Normalize a MIME data type.
6790     *
6791     * <p>A normalized MIME type has white-space trimmed,
6792     * content-type parameters removed, and is lower-case.
6793     * This aligns the type with Android best practices for
6794     * intent filtering.
6795     *
6796     * <p>For example, "text/plain; charset=utf-8" becomes "text/plain".
6797     * "text/x-vCard" becomes "text/x-vcard".
6798     *
6799     * <p>All MIME types received from outside Android (such as user input,
6800     * or external sources like Bluetooth, NFC, or the Internet) should
6801     * be normalized before they are used to create an Intent.
6802     *
6803     * @param type MIME data type to normalize
6804     * @return normalized MIME data type, or null if the input was null
6805     * @see {@link #setType}
6806     * @see {@link #setTypeAndNormalize}
6807     */
6808    public static String normalizeMimeType(String type) {
6809        if (type == null) {
6810            return null;
6811        }
6812
6813        type = type.trim().toLowerCase(Locale.US);
6814
6815        final int semicolonIndex = type.indexOf(';');
6816        if (semicolonIndex != -1) {
6817            type = type.substring(0, semicolonIndex);
6818        }
6819        return type;
6820    }
6821
6822    /**
6823     * Migrate any {@link #EXTRA_STREAM} in {@link #ACTION_SEND} and
6824     * {@link #ACTION_SEND_MULTIPLE} to {@link ClipData}. Also inspects nested
6825     * intents in {@link #ACTION_CHOOSER}.
6826     *
6827     * @return Whether any contents were migrated.
6828     * @hide
6829     */
6830    public boolean migrateExtraStreamToClipData() {
6831        // Refuse to touch if extras already parcelled
6832        if (mExtras != null && mExtras.isParcelled()) return false;
6833
6834        // Bail when someone already gave us ClipData
6835        if (getClipData() != null) return false;
6836
6837        final String action = getAction();
6838        if (ACTION_CHOOSER.equals(action)) {
6839            try {
6840                // Inspect target intent to see if we need to migrate
6841                final Intent target = getParcelableExtra(EXTRA_INTENT);
6842                if (target != null && target.migrateExtraStreamToClipData()) {
6843                    // Since we migrated in child, we need to promote ClipData
6844                    // and flags to ourselves to grant.
6845                    setClipData(target.getClipData());
6846                    addFlags(target.getFlags()
6847                            & (FLAG_GRANT_READ_URI_PERMISSION | FLAG_GRANT_WRITE_URI_PERMISSION));
6848                    return true;
6849                } else {
6850                    return false;
6851                }
6852            } catch (ClassCastException e) {
6853            }
6854
6855        } else if (ACTION_SEND.equals(action)) {
6856            try {
6857                final Uri stream = getParcelableExtra(EXTRA_STREAM);
6858                final CharSequence text = getCharSequenceExtra(EXTRA_TEXT);
6859                final String htmlText = getStringExtra(EXTRA_HTML_TEXT);
6860                if (stream != null || text != null || htmlText != null) {
6861                    final ClipData clipData = new ClipData(
6862                            null, new String[] { getType() },
6863                            new ClipData.Item(text, htmlText, null, stream));
6864                    setClipData(clipData);
6865                    addFlags(FLAG_GRANT_READ_URI_PERMISSION);
6866                    return true;
6867                }
6868            } catch (ClassCastException e) {
6869            }
6870
6871        } else if (ACTION_SEND_MULTIPLE.equals(action)) {
6872            try {
6873                final ArrayList<Uri> streams = getParcelableArrayListExtra(EXTRA_STREAM);
6874                final ArrayList<CharSequence> texts = getCharSequenceArrayListExtra(EXTRA_TEXT);
6875                final ArrayList<String> htmlTexts = getStringArrayListExtra(EXTRA_HTML_TEXT);
6876                int num = -1;
6877                if (streams != null) {
6878                    num = streams.size();
6879                }
6880                if (texts != null) {
6881                    if (num >= 0 && num != texts.size()) {
6882                        // Wha...!  F- you.
6883                        return false;
6884                    }
6885                    num = texts.size();
6886                }
6887                if (htmlTexts != null) {
6888                    if (num >= 0 && num != htmlTexts.size()) {
6889                        // Wha...!  F- you.
6890                        return false;
6891                    }
6892                    num = htmlTexts.size();
6893                }
6894                if (num > 0) {
6895                    final ClipData clipData = new ClipData(
6896                            null, new String[] { getType() },
6897                            makeClipItem(streams, texts, htmlTexts, 0));
6898
6899                    for (int i = 1; i < num; i++) {
6900                        clipData.addItem(makeClipItem(streams, texts, htmlTexts, i));
6901                    }
6902
6903                    setClipData(clipData);
6904                    addFlags(FLAG_GRANT_READ_URI_PERMISSION);
6905                    return true;
6906                }
6907            } catch (ClassCastException e) {
6908            }
6909        }
6910
6911        return false;
6912    }
6913
6914    private static ClipData.Item makeClipItem(ArrayList<Uri> streams, ArrayList<CharSequence> texts,
6915            ArrayList<String> htmlTexts, int which) {
6916        Uri uri = streams != null ? streams.get(which) : null;
6917        CharSequence text = texts != null ? texts.get(which) : null;
6918        String htmlText = htmlTexts != null ? htmlTexts.get(which) : null;
6919        return new ClipData.Item(text, htmlText, null, uri);
6920    }
6921}
6922