Intent.java revision e32011e8c06b994d840e6d568b5ffa8915320909
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.  An 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     * If the caller can handle multiple returned items (the user performing
921     * multiple selection), then it can specify {@link #EXTRA_ALLOW_MULTIPLE}
922     * to indicate this.
923     * <p>
924     * Input: {@link #getType} is the desired MIME type to retrieve.  Note
925     * that no URI is supplied in the intent, as there are no constraints on
926     * where the returned data originally comes from.  You may also include the
927     * {@link #CATEGORY_OPENABLE} if you can only accept data that can be
928     * opened as a stream.  You may use {@link #EXTRA_LOCAL_ONLY} to limit content
929     * selection to local data.  You may use {@link #EXTRA_ALLOW_MULTIPLE} to
930     * allow the user to select multiple items.
931     * <p>
932     * Output: The URI of the item that was picked.  This must be a content:
933     * URI so that any receiver can access it.
934     */
935    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
936    public static final String ACTION_GET_CONTENT = "android.intent.action.GET_CONTENT";
937    /**
938     * Activity Action: Dial a number as specified by the data.  This shows a
939     * UI with the number being dialed, allowing the user to explicitly
940     * initiate the call.
941     * <p>Input: If nothing, an empty dialer is started; else {@link #getData}
942     * is URI of a phone number to be dialed or a tel: URI of an explicit phone
943     * number.
944     * <p>Output: nothing.
945     */
946    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
947    public static final String ACTION_DIAL = "android.intent.action.DIAL";
948    /**
949     * Activity Action: Perform a call to someone specified by the data.
950     * <p>Input: If nothing, an empty dialer is started; else {@link #getData}
951     * is URI of a phone number to be dialed or a tel: URI of an explicit phone
952     * number.
953     * <p>Output: nothing.
954     *
955     * <p>Note: there will be restrictions on which applications can initiate a
956     * call; most applications should use the {@link #ACTION_DIAL}.
957     * <p>Note: this Intent <strong>cannot</strong> be used to call emergency
958     * numbers.  Applications can <strong>dial</strong> emergency numbers using
959     * {@link #ACTION_DIAL}, however.
960     */
961    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
962    public static final String ACTION_CALL = "android.intent.action.CALL";
963    /**
964     * Activity Action: Perform a call to an emergency number specified by the
965     * data.
966     * <p>Input: {@link #getData} is URI of a phone number to be dialed or a
967     * tel: URI of an explicit phone number.
968     * <p>Output: nothing.
969     * @hide
970     */
971    public static final String ACTION_CALL_EMERGENCY = "android.intent.action.CALL_EMERGENCY";
972    /**
973     * Activity action: Perform a call to any number (emergency or not)
974     * specified by the data.
975     * <p>Input: {@link #getData} is URI of a phone number to be dialed or a
976     * tel: URI of an explicit phone number.
977     * <p>Output: nothing.
978     * @hide
979     */
980    public static final String ACTION_CALL_PRIVILEGED = "android.intent.action.CALL_PRIVILEGED";
981    /**
982     * Activity Action: Send a message to someone specified by the data.
983     * <p>Input: {@link #getData} is URI describing the target.
984     * <p>Output: nothing.
985     */
986    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
987    public static final String ACTION_SENDTO = "android.intent.action.SENDTO";
988    /**
989     * Activity Action: Deliver some data to someone else.  Who the data is
990     * being delivered to is not specified; it is up to the receiver of this
991     * action to ask the user where the data should be sent.
992     * <p>
993     * When launching a SEND intent, you should usually wrap it in a chooser
994     * (through {@link #createChooser}), which will give the proper interface
995     * for the user to pick how to send your data and allow you to specify
996     * a prompt indicating what they are doing.
997     * <p>
998     * Input: {@link #getType} is the MIME type of the data being sent.
999     * get*Extra can have either a {@link #EXTRA_TEXT}
1000     * or {@link #EXTRA_STREAM} field, containing the data to be sent.  If
1001     * using EXTRA_TEXT, the MIME type should be "text/plain"; otherwise it
1002     * should be the MIME type of the data in EXTRA_STREAM.  Use {@literal *}/*
1003     * if the MIME type is unknown (this will only allow senders that can
1004     * handle generic data streams).  If using {@link #EXTRA_TEXT}, you can
1005     * also optionally supply {@link #EXTRA_HTML_TEXT} for clients to retrieve
1006     * your text with HTML formatting.
1007     * <p>
1008     * As of {@link android.os.Build.VERSION_CODES#JELLY_BEAN}, the data
1009     * being sent can be supplied through {@link #setClipData(ClipData)}.  This
1010     * allows you to use {@link #FLAG_GRANT_READ_URI_PERMISSION} when sharing
1011     * content: URIs and other advanced features of {@link ClipData}.  If
1012     * using this approach, you still must supply the same data through the
1013     * {@link #EXTRA_TEXT} or {@link #EXTRA_STREAM} fields described below
1014     * for compatibility with old applications.  If you don't set a ClipData,
1015     * it will be copied there for you when calling {@link Context#startActivity(Intent)}.
1016     * <p>
1017     * Optional standard extras, which may be interpreted by some recipients as
1018     * appropriate, are: {@link #EXTRA_EMAIL}, {@link #EXTRA_CC},
1019     * {@link #EXTRA_BCC}, {@link #EXTRA_SUBJECT}.
1020     * <p>
1021     * Output: nothing.
1022     */
1023    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1024    public static final String ACTION_SEND = "android.intent.action.SEND";
1025    /**
1026     * Activity Action: Deliver multiple data to someone else.
1027     * <p>
1028     * Like {@link #ACTION_SEND}, except the data is multiple.
1029     * <p>
1030     * Input: {@link #getType} is the MIME type of the data being sent.
1031     * get*ArrayListExtra can have either a {@link #EXTRA_TEXT} or {@link
1032     * #EXTRA_STREAM} field, containing the data to be sent.  If using
1033     * {@link #EXTRA_TEXT}, you can also optionally supply {@link #EXTRA_HTML_TEXT}
1034     * for clients to retrieve your text with HTML formatting.
1035     * <p>
1036     * Multiple types are supported, and receivers should handle mixed types
1037     * whenever possible. The right way for the receiver to check them is to
1038     * use the content resolver on each URI. The intent sender should try to
1039     * put the most concrete mime type in the intent type, but it can fall
1040     * back to {@literal <type>/*} or {@literal *}/* as needed.
1041     * <p>
1042     * e.g. if you are sending image/jpg and image/jpg, the intent's type can
1043     * be image/jpg, but if you are sending image/jpg and image/png, then the
1044     * intent's type should be image/*.
1045     * <p>
1046     * As of {@link android.os.Build.VERSION_CODES#JELLY_BEAN}, the data
1047     * being sent can be supplied through {@link #setClipData(ClipData)}.  This
1048     * allows you to use {@link #FLAG_GRANT_READ_URI_PERMISSION} when sharing
1049     * content: URIs and other advanced features of {@link ClipData}.  If
1050     * using this approach, you still must supply the same data through the
1051     * {@link #EXTRA_TEXT} or {@link #EXTRA_STREAM} fields described below
1052     * for compatibility with old applications.  If you don't set a ClipData,
1053     * it will be copied there for you when calling {@link Context#startActivity(Intent)}.
1054     * <p>
1055     * Optional standard extras, which may be interpreted by some recipients as
1056     * appropriate, are: {@link #EXTRA_EMAIL}, {@link #EXTRA_CC},
1057     * {@link #EXTRA_BCC}, {@link #EXTRA_SUBJECT}.
1058     * <p>
1059     * Output: nothing.
1060     */
1061    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1062    public static final String ACTION_SEND_MULTIPLE = "android.intent.action.SEND_MULTIPLE";
1063    /**
1064     * Activity Action: Handle an incoming phone call.
1065     * <p>Input: nothing.
1066     * <p>Output: nothing.
1067     */
1068    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1069    public static final String ACTION_ANSWER = "android.intent.action.ANSWER";
1070    /**
1071     * Activity Action: Insert an empty item into the given container.
1072     * <p>Input: {@link #getData} is URI of the directory (vnd.android.cursor.dir/*)
1073     * in which to place the data.
1074     * <p>Output: URI of the new data that was created.
1075     */
1076    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1077    public static final String ACTION_INSERT = "android.intent.action.INSERT";
1078    /**
1079     * Activity Action: Create a new item in the given container, initializing it
1080     * from the current contents of the clipboard.
1081     * <p>Input: {@link #getData} is URI of the directory (vnd.android.cursor.dir/*)
1082     * in which to place the data.
1083     * <p>Output: URI of the new data that was created.
1084     */
1085    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1086    public static final String ACTION_PASTE = "android.intent.action.PASTE";
1087    /**
1088     * Activity Action: Delete the given data from its container.
1089     * <p>Input: {@link #getData} is URI of data to be deleted.
1090     * <p>Output: nothing.
1091     */
1092    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1093    public static final String ACTION_DELETE = "android.intent.action.DELETE";
1094    /**
1095     * Activity Action: Run the data, whatever that means.
1096     * <p>Input: ?  (Note: this is currently specific to the test harness.)
1097     * <p>Output: nothing.
1098     */
1099    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1100    public static final String ACTION_RUN = "android.intent.action.RUN";
1101    /**
1102     * Activity Action: Perform a data synchronization.
1103     * <p>Input: ?
1104     * <p>Output: ?
1105     */
1106    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1107    public static final String ACTION_SYNC = "android.intent.action.SYNC";
1108    /**
1109     * Activity Action: Pick an activity given an intent, returning the class
1110     * selected.
1111     * <p>Input: get*Extra field {@link #EXTRA_INTENT} is an Intent
1112     * used with {@link PackageManager#queryIntentActivities} to determine the
1113     * set of activities from which to pick.
1114     * <p>Output: Class name of the activity that was selected.
1115     */
1116    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1117    public static final String ACTION_PICK_ACTIVITY = "android.intent.action.PICK_ACTIVITY";
1118    /**
1119     * Activity Action: Perform a search.
1120     * <p>Input: {@link android.app.SearchManager#QUERY getStringExtra(SearchManager.QUERY)}
1121     * is the text to search for.  If empty, simply
1122     * enter your search results Activity with the search UI activated.
1123     * <p>Output: nothing.
1124     */
1125    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1126    public static final String ACTION_SEARCH = "android.intent.action.SEARCH";
1127    /**
1128     * Activity Action: Start the platform-defined tutorial
1129     * <p>Input: {@link android.app.SearchManager#QUERY getStringExtra(SearchManager.QUERY)}
1130     * is the text to search for.  If empty, simply
1131     * enter your search results Activity with the search UI activated.
1132     * <p>Output: nothing.
1133     */
1134    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1135    public static final String ACTION_SYSTEM_TUTORIAL = "android.intent.action.SYSTEM_TUTORIAL";
1136    /**
1137     * Activity Action: Perform a web search.
1138     * <p>
1139     * Input: {@link android.app.SearchManager#QUERY
1140     * getStringExtra(SearchManager.QUERY)} is the text to search for. If it is
1141     * a url starts with http or https, the site will be opened. If it is plain
1142     * text, Google search will be applied.
1143     * <p>
1144     * Output: nothing.
1145     */
1146    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1147    public static final String ACTION_WEB_SEARCH = "android.intent.action.WEB_SEARCH";
1148
1149    /**
1150     * Activity Action: Perform assist action.
1151     * <p>
1152     * Input: {@link #EXTRA_ASSIST_PACKAGE} and {@link #EXTRA_ASSIST_CONTEXT} can provide
1153     * additional optional contextual information about where the user was when they requested
1154     * the assist.
1155     * Output: nothing.
1156     */
1157    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1158    public static final String ACTION_ASSIST = "android.intent.action.ASSIST";
1159
1160    /**
1161     * Activity Action: Perform voice assist action.
1162     * <p>
1163     * Input: {@link #EXTRA_ASSIST_PACKAGE} and {@link #EXTRA_ASSIST_CONTEXT} can provide
1164     * additional optional contextual information about where the user was when they requested
1165     * the voice assist.
1166     * Output: nothing.
1167     */
1168    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1169    public static final String ACTION_VOICE_ASSIST = "android.intent.action.VOICE_ASSIST";
1170
1171    /**
1172     * An optional field on {@link #ACTION_ASSIST} and {@link #ACTION_VOICE_ASSIST}
1173     * containing the name of the current foreground application package at the time
1174     * the assist was invoked.
1175     */
1176    public static final String EXTRA_ASSIST_PACKAGE
1177            = "android.intent.extra.ASSIST_PACKAGE";
1178
1179    /**
1180     * An optional field on {@link #ACTION_ASSIST} and {@link #ACTION_VOICE_ASSIST}
1181     * containing additional contextual information supplied by the current
1182     * foreground app at the time of the assist request.  This is a {@link Bundle} of
1183     * additional data.
1184     */
1185    public static final String EXTRA_ASSIST_CONTEXT
1186            = "android.intent.extra.ASSIST_CONTEXT";
1187
1188    /**
1189     * Activity Action: List all available applications
1190     * <p>Input: Nothing.
1191     * <p>Output: nothing.
1192     */
1193    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1194    public static final String ACTION_ALL_APPS = "android.intent.action.ALL_APPS";
1195    /**
1196     * Activity Action: Show settings for choosing wallpaper
1197     * <p>Input: Nothing.
1198     * <p>Output: Nothing.
1199     */
1200    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1201    public static final String ACTION_SET_WALLPAPER = "android.intent.action.SET_WALLPAPER";
1202
1203    /**
1204     * Activity Action: Show activity for reporting a bug.
1205     * <p>Input: Nothing.
1206     * <p>Output: Nothing.
1207     */
1208    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1209    public static final String ACTION_BUG_REPORT = "android.intent.action.BUG_REPORT";
1210
1211    /**
1212     *  Activity Action: Main entry point for factory tests.  Only used when
1213     *  the device is booting in factory test node.  The implementing package
1214     *  must be installed in the system image.
1215     *  <p>Input: nothing
1216     *  <p>Output: nothing
1217     */
1218    public static final String ACTION_FACTORY_TEST = "android.intent.action.FACTORY_TEST";
1219
1220    /**
1221     * Activity Action: The user pressed the "call" button to go to the dialer
1222     * or other appropriate UI for placing a call.
1223     * <p>Input: Nothing.
1224     * <p>Output: Nothing.
1225     */
1226    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1227    public static final String ACTION_CALL_BUTTON = "android.intent.action.CALL_BUTTON";
1228
1229    /**
1230     * Activity Action: Start Voice Command.
1231     * <p>Input: Nothing.
1232     * <p>Output: Nothing.
1233     */
1234    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1235    public static final String ACTION_VOICE_COMMAND = "android.intent.action.VOICE_COMMAND";
1236
1237    /**
1238     * Activity Action: Start action associated with long pressing on the
1239     * search key.
1240     * <p>Input: Nothing.
1241     * <p>Output: Nothing.
1242     */
1243    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1244    public static final String ACTION_SEARCH_LONG_PRESS = "android.intent.action.SEARCH_LONG_PRESS";
1245
1246    /**
1247     * Activity Action: The user pressed the "Report" button in the crash/ANR dialog.
1248     * This intent is delivered to the package which installed the application, usually
1249     * Google Play.
1250     * <p>Input: No data is specified. The bug report is passed in using
1251     * an {@link #EXTRA_BUG_REPORT} field.
1252     * <p>Output: Nothing.
1253     *
1254     * @see #EXTRA_BUG_REPORT
1255     */
1256    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1257    public static final String ACTION_APP_ERROR = "android.intent.action.APP_ERROR";
1258
1259    /**
1260     * Activity Action: Show power usage information to the user.
1261     * <p>Input: Nothing.
1262     * <p>Output: Nothing.
1263     */
1264    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1265    public static final String ACTION_POWER_USAGE_SUMMARY = "android.intent.action.POWER_USAGE_SUMMARY";
1266
1267    /**
1268     * Activity Action: Setup wizard to launch after a platform update.  This
1269     * activity should have a string meta-data field associated with it,
1270     * {@link #METADATA_SETUP_VERSION}, which defines the current version of
1271     * the platform for setup.  The activity will be launched only if
1272     * {@link android.provider.Settings.Secure#LAST_SETUP_SHOWN} is not the
1273     * same value.
1274     * <p>Input: Nothing.
1275     * <p>Output: Nothing.
1276     * @hide
1277     */
1278    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1279    public static final String ACTION_UPGRADE_SETUP = "android.intent.action.UPGRADE_SETUP";
1280
1281    /**
1282     * Activity Action: Show settings for managing network data usage of a
1283     * specific application. Applications should define an activity that offers
1284     * options to control data usage.
1285     */
1286    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1287    public static final String ACTION_MANAGE_NETWORK_USAGE =
1288            "android.intent.action.MANAGE_NETWORK_USAGE";
1289
1290    /**
1291     * Activity Action: Launch application installer.
1292     * <p>
1293     * Input: The data must be a content: or file: URI at which the application
1294     * can be retrieved.  As of {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR1},
1295     * you can also use "package:<package-name>" to install an application for the
1296     * current user that is already installed for another user. You can optionally supply
1297     * {@link #EXTRA_INSTALLER_PACKAGE_NAME}, {@link #EXTRA_NOT_UNKNOWN_SOURCE},
1298     * {@link #EXTRA_ALLOW_REPLACE}, and {@link #EXTRA_RETURN_RESULT}.
1299     * <p>
1300     * Output: If {@link #EXTRA_RETURN_RESULT}, returns whether the install
1301     * succeeded.
1302     *
1303     * @see #EXTRA_INSTALLER_PACKAGE_NAME
1304     * @see #EXTRA_NOT_UNKNOWN_SOURCE
1305     * @see #EXTRA_RETURN_RESULT
1306     */
1307    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1308    public static final String ACTION_INSTALL_PACKAGE = "android.intent.action.INSTALL_PACKAGE";
1309
1310    /**
1311     * Used as a string extra field with {@link #ACTION_INSTALL_PACKAGE} to install a
1312     * package.  Specifies the installer package name; this package will receive the
1313     * {@link #ACTION_APP_ERROR} intent.
1314     */
1315    public static final String EXTRA_INSTALLER_PACKAGE_NAME
1316            = "android.intent.extra.INSTALLER_PACKAGE_NAME";
1317
1318    /**
1319     * Used as a boolean extra field with {@link #ACTION_INSTALL_PACKAGE} to install a
1320     * package.  Specifies that the application being installed should not be
1321     * treated as coming from an unknown source, but as coming from the app
1322     * invoking the Intent.  For this to work you must start the installer with
1323     * startActivityForResult().
1324     */
1325    public static final String EXTRA_NOT_UNKNOWN_SOURCE
1326            = "android.intent.extra.NOT_UNKNOWN_SOURCE";
1327
1328    /**
1329     * Used as a URI extra field with {@link #ACTION_INSTALL_PACKAGE} and
1330     * {@link #ACTION_VIEW} to indicate the URI from which the local APK in the Intent
1331     * data field originated from.
1332     */
1333    public static final String EXTRA_ORIGINATING_URI
1334            = "android.intent.extra.ORIGINATING_URI";
1335
1336    /**
1337     * Used as a URI extra field with {@link #ACTION_INSTALL_PACKAGE} and
1338     * {@link #ACTION_VIEW} to indicate the HTTP referrer URI associated with the Intent
1339     * data field or {@link #EXTRA_ORIGINATING_URI}.
1340     */
1341    public static final String EXTRA_REFERRER
1342            = "android.intent.extra.REFERRER";
1343
1344    /**
1345     * Used as an int extra field with {@link #ACTION_INSTALL_PACKAGE} and
1346     * {@link} #ACTION_VIEW} to indicate the uid of the package that initiated the install
1347     * @hide
1348     */
1349    public static final String EXTRA_ORIGINATING_UID
1350            = "android.intent.extra.ORIGINATING_UID";
1351
1352    /**
1353     * Used as a boolean extra field with {@link #ACTION_INSTALL_PACKAGE} to install a
1354     * package.  Tells the installer UI to skip the confirmation with the user
1355     * if the .apk is replacing an existing one.
1356     * @deprecated As of {@link android.os.Build.VERSION_CODES#JELLY_BEAN}, Android
1357     * will no longer show an interstitial message about updating existing
1358     * applications so this is no longer needed.
1359     */
1360    @Deprecated
1361    public static final String EXTRA_ALLOW_REPLACE
1362            = "android.intent.extra.ALLOW_REPLACE";
1363
1364    /**
1365     * Used as a boolean extra field with {@link #ACTION_INSTALL_PACKAGE} or
1366     * {@link #ACTION_UNINSTALL_PACKAGE}.  Specifies that the installer UI should
1367     * return to the application the result code of the install/uninstall.  The returned result
1368     * code will be {@link android.app.Activity#RESULT_OK} on success or
1369     * {@link android.app.Activity#RESULT_FIRST_USER} on failure.
1370     */
1371    public static final String EXTRA_RETURN_RESULT
1372            = "android.intent.extra.RETURN_RESULT";
1373
1374    /**
1375     * Package manager install result code.  @hide because result codes are not
1376     * yet ready to be exposed.
1377     */
1378    public static final String EXTRA_INSTALL_RESULT
1379            = "android.intent.extra.INSTALL_RESULT";
1380
1381    /**
1382     * Activity Action: Launch application uninstaller.
1383     * <p>
1384     * Input: The data must be a package: URI whose scheme specific part is
1385     * the package name of the current installed package to be uninstalled.
1386     * You can optionally supply {@link #EXTRA_RETURN_RESULT}.
1387     * <p>
1388     * Output: If {@link #EXTRA_RETURN_RESULT}, returns whether the install
1389     * succeeded.
1390     */
1391    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1392    public static final String ACTION_UNINSTALL_PACKAGE = "android.intent.action.UNINSTALL_PACKAGE";
1393
1394    /**
1395     * Specify whether the package should be uninstalled for all users.
1396     * @hide because these should not be part of normal application flow.
1397     */
1398    public static final String EXTRA_UNINSTALL_ALL_USERS
1399            = "android.intent.extra.UNINSTALL_ALL_USERS";
1400
1401    /**
1402     * A string associated with a {@link #ACTION_UPGRADE_SETUP} activity
1403     * describing the last run version of the platform that was setup.
1404     * @hide
1405     */
1406    public static final String METADATA_SETUP_VERSION = "android.SETUP_VERSION";
1407
1408    // ---------------------------------------------------------------------
1409    // ---------------------------------------------------------------------
1410    // Standard intent broadcast actions (see action variable).
1411
1412    /**
1413     * Broadcast Action: Sent after the screen turns off.
1414     *
1415     * <p class="note">This is a protected intent that can only be sent
1416     * by the system.
1417     */
1418    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1419    public static final String ACTION_SCREEN_OFF = "android.intent.action.SCREEN_OFF";
1420    /**
1421     * Broadcast Action: Sent after the screen turns on.
1422     *
1423     * <p class="note">This is a protected intent that can only be sent
1424     * by the system.
1425     */
1426    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1427    public static final String ACTION_SCREEN_ON = "android.intent.action.SCREEN_ON";
1428
1429    /**
1430     * Broadcast Action: Sent after the system stops dreaming.
1431     *
1432     * <p class="note">This is a protected intent that can only be sent by the system.
1433     * It is only sent to registered receivers.</p>
1434     */
1435    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1436    public static final String ACTION_DREAMING_STOPPED = "android.intent.action.DREAMING_STOPPED";
1437
1438    /**
1439     * Broadcast Action: Sent after the system starts dreaming.
1440     *
1441     * <p class="note">This is a protected intent that can only be sent by the system.
1442     * It is only sent to registered receivers.</p>
1443     */
1444    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1445    public static final String ACTION_DREAMING_STARTED = "android.intent.action.DREAMING_STARTED";
1446
1447    /**
1448     * Broadcast Action: Sent when the user is present after device wakes up (e.g when the
1449     * keyguard is gone).
1450     *
1451     * <p class="note">This is a protected intent that can only be sent
1452     * by the system.
1453     */
1454    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1455    public static final String ACTION_USER_PRESENT = "android.intent.action.USER_PRESENT";
1456
1457    /**
1458     * Broadcast Action: The current time has changed.  Sent every
1459     * minute.  You can <em>not</em> receive this through components declared
1460     * in manifests, only by exlicitly registering for it with
1461     * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
1462     * Context.registerReceiver()}.
1463     *
1464     * <p class="note">This is a protected intent that can only be sent
1465     * by the system.
1466     */
1467    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1468    public static final String ACTION_TIME_TICK = "android.intent.action.TIME_TICK";
1469    /**
1470     * Broadcast Action: The time was set.
1471     */
1472    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1473    public static final String ACTION_TIME_CHANGED = "android.intent.action.TIME_SET";
1474    /**
1475     * Broadcast Action: The date has changed.
1476     */
1477    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1478    public static final String ACTION_DATE_CHANGED = "android.intent.action.DATE_CHANGED";
1479    /**
1480     * Broadcast Action: The timezone has changed. The intent will have the following extra values:</p>
1481     * <ul>
1482     *   <li><em>time-zone</em> - The java.util.TimeZone.getID() value identifying the new time zone.</li>
1483     * </ul>
1484     *
1485     * <p class="note">This is a protected intent that can only be sent
1486     * by the system.
1487     */
1488    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1489    public static final String ACTION_TIMEZONE_CHANGED = "android.intent.action.TIMEZONE_CHANGED";
1490    /**
1491     * Clear DNS Cache Action: This is broadcast when networks have changed and old
1492     * DNS entries should be tossed.
1493     * @hide
1494     */
1495    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1496    public static final String ACTION_CLEAR_DNS_CACHE = "android.intent.action.CLEAR_DNS_CACHE";
1497    /**
1498     * Alarm Changed Action: This is broadcast when the AlarmClock
1499     * application's alarm is set or unset.  It is used by the
1500     * AlarmClock application and the StatusBar service.
1501     * @hide
1502     */
1503    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1504    public static final String ACTION_ALARM_CHANGED = "android.intent.action.ALARM_CHANGED";
1505    /**
1506     * Sync State Changed Action: This is broadcast when the sync starts or stops or when one has
1507     * been failing for a long time.  It is used by the SyncManager and the StatusBar service.
1508     * @hide
1509     */
1510    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1511    public static final String ACTION_SYNC_STATE_CHANGED
1512            = "android.intent.action.SYNC_STATE_CHANGED";
1513    /**
1514     * Broadcast Action: This is broadcast once, after the system has finished
1515     * booting.  It can be used to perform application-specific initialization,
1516     * such as installing alarms.  You must hold the
1517     * {@link android.Manifest.permission#RECEIVE_BOOT_COMPLETED} permission
1518     * in order to receive this broadcast.
1519     *
1520     * <p class="note">This is a protected intent that can only be sent
1521     * by the system.
1522     */
1523    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1524    public static final String ACTION_BOOT_COMPLETED = "android.intent.action.BOOT_COMPLETED";
1525    /**
1526     * Broadcast Action: This is broadcast when a user action should request a
1527     * temporary system dialog to dismiss.  Some examples of temporary system
1528     * dialogs are the notification window-shade and the recent tasks dialog.
1529     */
1530    public static final String ACTION_CLOSE_SYSTEM_DIALOGS = "android.intent.action.CLOSE_SYSTEM_DIALOGS";
1531    /**
1532     * Broadcast Action: Trigger the download and eventual installation
1533     * of a package.
1534     * <p>Input: {@link #getData} is the URI of the package file to download.
1535     *
1536     * <p class="note">This is a protected intent that can only be sent
1537     * by the system.
1538     *
1539     * @deprecated This constant has never been used.
1540     */
1541    @Deprecated
1542    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1543    public static final String ACTION_PACKAGE_INSTALL = "android.intent.action.PACKAGE_INSTALL";
1544    /**
1545     * Broadcast Action: A new application package has been installed on the
1546     * device. The data contains the name of the package.  Note that the
1547     * newly installed package does <em>not</em> receive this broadcast.
1548     * <p>May include the following extras:
1549     * <ul>
1550     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the new package.
1551     * <li> {@link #EXTRA_REPLACING} is set to true if this is following
1552     * an {@link #ACTION_PACKAGE_REMOVED} broadcast for the same package.
1553     * </ul>
1554     *
1555     * <p class="note">This is a protected intent that can only be sent
1556     * by the system.
1557     */
1558    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1559    public static final String ACTION_PACKAGE_ADDED = "android.intent.action.PACKAGE_ADDED";
1560    /**
1561     * Broadcast Action: A new version of an application package has been
1562     * installed, replacing an existing version that was previously installed.
1563     * The data contains the name of the package.
1564     * <p>May include the following extras:
1565     * <ul>
1566     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the new package.
1567     * </ul>
1568     *
1569     * <p class="note">This is a protected intent that can only be sent
1570     * by the system.
1571     */
1572    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1573    public static final String ACTION_PACKAGE_REPLACED = "android.intent.action.PACKAGE_REPLACED";
1574    /**
1575     * Broadcast Action: A new version of your application has been installed
1576     * over an existing one.  This is only sent to the application that was
1577     * replaced.  It does not contain any additional data; to receive it, just
1578     * use an intent filter for this action.
1579     *
1580     * <p class="note">This is a protected intent that can only be sent
1581     * by the system.
1582     */
1583    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1584    public static final String ACTION_MY_PACKAGE_REPLACED = "android.intent.action.MY_PACKAGE_REPLACED";
1585    /**
1586     * Broadcast Action: An existing application package has been removed from
1587     * the device.  The data contains the name of the package.  The package
1588     * that is being installed does <em>not</em> receive this Intent.
1589     * <ul>
1590     * <li> {@link #EXTRA_UID} containing the integer uid previously assigned
1591     * to the package.
1592     * <li> {@link #EXTRA_DATA_REMOVED} is set to true if the entire
1593     * application -- data and code -- is being removed.
1594     * <li> {@link #EXTRA_REPLACING} is set to true if this will be followed
1595     * by an {@link #ACTION_PACKAGE_ADDED} broadcast for the same package.
1596     * </ul>
1597     *
1598     * <p class="note">This is a protected intent that can only be sent
1599     * by the system.
1600     */
1601    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1602    public static final String ACTION_PACKAGE_REMOVED = "android.intent.action.PACKAGE_REMOVED";
1603    /**
1604     * Broadcast Action: An existing application package has been completely
1605     * removed from the device.  The data contains the name of the package.
1606     * This is like {@link #ACTION_PACKAGE_REMOVED}, but only set when
1607     * {@link #EXTRA_DATA_REMOVED} is true and
1608     * {@link #EXTRA_REPLACING} is false of that broadcast.
1609     *
1610     * <ul>
1611     * <li> {@link #EXTRA_UID} containing the integer uid previously assigned
1612     * to the package.
1613     * </ul>
1614     *
1615     * <p class="note">This is a protected intent that can only be sent
1616     * by the system.
1617     */
1618    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1619    public static final String ACTION_PACKAGE_FULLY_REMOVED
1620            = "android.intent.action.PACKAGE_FULLY_REMOVED";
1621    /**
1622     * Broadcast Action: An existing application package has been changed (e.g.
1623     * a component has been enabled or disabled).  The data contains the name of
1624     * the package.
1625     * <ul>
1626     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1627     * <li> {@link #EXTRA_CHANGED_COMPONENT_NAME_LIST} containing the class name
1628     * of the changed components (or the package name itself).
1629     * <li> {@link #EXTRA_DONT_KILL_APP} containing boolean field to override the
1630     * default action of restarting the application.
1631     * </ul>
1632     *
1633     * <p class="note">This is a protected intent that can only be sent
1634     * by the system.
1635     */
1636    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1637    public static final String ACTION_PACKAGE_CHANGED = "android.intent.action.PACKAGE_CHANGED";
1638    /**
1639     * @hide
1640     * Broadcast Action: Ask system services if there is any reason to
1641     * restart the given package.  The data contains the name of the
1642     * package.
1643     * <ul>
1644     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1645     * <li> {@link #EXTRA_PACKAGES} String array of all packages to check.
1646     * </ul>
1647     *
1648     * <p class="note">This is a protected intent that can only be sent
1649     * by the system.
1650     */
1651    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1652    public static final String ACTION_QUERY_PACKAGE_RESTART = "android.intent.action.QUERY_PACKAGE_RESTART";
1653    /**
1654     * Broadcast Action: The user has restarted a package, and all of its
1655     * processes have been killed.  All runtime state
1656     * associated with it (processes, alarms, notifications, etc) should
1657     * be removed.  Note that the restarted package does <em>not</em>
1658     * receive this broadcast.
1659     * The data contains the name of the package.
1660     * <ul>
1661     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1662     * </ul>
1663     *
1664     * <p class="note">This is a protected intent that can only be sent
1665     * by the system.
1666     */
1667    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1668    public static final String ACTION_PACKAGE_RESTARTED = "android.intent.action.PACKAGE_RESTARTED";
1669    /**
1670     * Broadcast Action: The user has cleared the data of a package.  This should
1671     * be preceded by {@link #ACTION_PACKAGE_RESTARTED}, after which all of
1672     * its persistent data is erased and this broadcast sent.
1673     * Note that the cleared package does <em>not</em>
1674     * receive this broadcast. The data contains the name of the package.
1675     * <ul>
1676     * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package.
1677     * </ul>
1678     *
1679     * <p class="note">This is a protected intent that can only be sent
1680     * by the system.
1681     */
1682    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1683    public static final String ACTION_PACKAGE_DATA_CLEARED = "android.intent.action.PACKAGE_DATA_CLEARED";
1684    /**
1685     * Broadcast Action: A user ID has been removed from the system.  The user
1686     * ID number is stored in the extra data under {@link #EXTRA_UID}.
1687     *
1688     * <p class="note">This is a protected intent that can only be sent
1689     * by the system.
1690     */
1691    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1692    public static final String ACTION_UID_REMOVED = "android.intent.action.UID_REMOVED";
1693
1694    /**
1695     * Broadcast Action: Sent to the installer package of an application
1696     * when that application is first launched (that is the first time it
1697     * is moved out of the stopped state).  The data contains the name of the package.
1698     *
1699     * <p class="note">This is a protected intent that can only be sent
1700     * by the system.
1701     */
1702    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1703    public static final String ACTION_PACKAGE_FIRST_LAUNCH = "android.intent.action.PACKAGE_FIRST_LAUNCH";
1704
1705    /**
1706     * Broadcast Action: Sent to the system package verifier when a package
1707     * needs to be verified. The data contains the package URI.
1708     * <p class="note">
1709     * This is a protected intent that can only be sent by the system.
1710     * </p>
1711     */
1712    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1713    public static final String ACTION_PACKAGE_NEEDS_VERIFICATION = "android.intent.action.PACKAGE_NEEDS_VERIFICATION";
1714
1715    /**
1716     * Broadcast Action: Sent to the system package verifier when a package is
1717     * verified. The data contains the package URI.
1718     * <p class="note">
1719     * This is a protected intent that can only be sent by the system.
1720     */
1721    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1722    public static final String ACTION_PACKAGE_VERIFIED = "android.intent.action.PACKAGE_VERIFIED";
1723
1724    /**
1725     * Broadcast Action: Resources for a set of packages (which were
1726     * previously unavailable) are currently
1727     * available since the media on which they exist is available.
1728     * The extra data {@link #EXTRA_CHANGED_PACKAGE_LIST} contains a
1729     * list of packages whose availability changed.
1730     * The extra data {@link #EXTRA_CHANGED_UID_LIST} contains a
1731     * list of uids of packages whose availability changed.
1732     * Note that the
1733     * packages in this list do <em>not</em> receive this broadcast.
1734     * The specified set of packages are now available on the system.
1735     * <p>Includes the following extras:
1736     * <ul>
1737     * <li> {@link #EXTRA_CHANGED_PACKAGE_LIST} is the set of packages
1738     * whose resources(were previously unavailable) are currently available.
1739     * {@link #EXTRA_CHANGED_UID_LIST} is the set of uids of the
1740     * packages whose resources(were previously unavailable)
1741     * are  currently available.
1742     * </ul>
1743     *
1744     * <p class="note">This is a protected intent that can only be sent
1745     * by the system.
1746     */
1747    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1748    public static final String ACTION_EXTERNAL_APPLICATIONS_AVAILABLE =
1749        "android.intent.action.EXTERNAL_APPLICATIONS_AVAILABLE";
1750
1751    /**
1752     * Broadcast Action: Resources for a set of packages are currently
1753     * unavailable since the media on which they exist is unavailable.
1754     * The extra data {@link #EXTRA_CHANGED_PACKAGE_LIST} contains a
1755     * list of packages whose availability changed.
1756     * The extra data {@link #EXTRA_CHANGED_UID_LIST} contains a
1757     * list of uids of packages whose availability changed.
1758     * The specified set of packages can no longer be
1759     * launched and are practically unavailable on the system.
1760     * <p>Inclues the following extras:
1761     * <ul>
1762     * <li> {@link #EXTRA_CHANGED_PACKAGE_LIST} is the set of packages
1763     * whose resources are no longer available.
1764     * {@link #EXTRA_CHANGED_UID_LIST} is the set of packages
1765     * whose resources are no longer available.
1766     * </ul>
1767     *
1768     * <p class="note">This is a protected intent that can only be sent
1769     * by the system.
1770     */
1771    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1772    public static final String ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE =
1773        "android.intent.action.EXTERNAL_APPLICATIONS_UNAVAILABLE";
1774
1775    /**
1776     * Broadcast Action:  The current system wallpaper has changed.  See
1777     * {@link android.app.WallpaperManager} for retrieving the new wallpaper.
1778     * This should <em>only</em> be used to determine when the wallpaper
1779     * has changed to show the new wallpaper to the user.  You should certainly
1780     * never, in response to this, change the wallpaper or other attributes of
1781     * it such as the suggested size.  That would be crazy, right?  You'd cause
1782     * all kinds of loops, especially if other apps are doing similar things,
1783     * right?  Of course.  So please don't do this.
1784     *
1785     * @deprecated Modern applications should use
1786     * {@link android.view.WindowManager.LayoutParams#FLAG_SHOW_WALLPAPER
1787     * WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER} to have the wallpaper
1788     * shown behind their UI, rather than watching for this broadcast and
1789     * rendering the wallpaper on their own.
1790     */
1791    @Deprecated @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1792    public static final String ACTION_WALLPAPER_CHANGED = "android.intent.action.WALLPAPER_CHANGED";
1793    /**
1794     * Broadcast Action: The current device {@link android.content.res.Configuration}
1795     * (orientation, locale, etc) has changed.  When such a change happens, the
1796     * UIs (view hierarchy) will need to be rebuilt based on this new
1797     * information; for the most part, applications don't need to worry about
1798     * this, because the system will take care of stopping and restarting the
1799     * application to make sure it sees the new changes.  Some system code that
1800     * can not be restarted will need to watch for this action and handle it
1801     * appropriately.
1802     *
1803     * <p class="note">
1804     * You can <em>not</em> receive this through components declared
1805     * in manifests, only by explicitly registering for it with
1806     * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
1807     * Context.registerReceiver()}.
1808     *
1809     * <p class="note">This is a protected intent that can only be sent
1810     * by the system.
1811     *
1812     * @see android.content.res.Configuration
1813     */
1814    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1815    public static final String ACTION_CONFIGURATION_CHANGED = "android.intent.action.CONFIGURATION_CHANGED";
1816    /**
1817     * Broadcast Action: The current device's locale has changed.
1818     *
1819     * <p class="note">This is a protected intent that can only be sent
1820     * by the system.
1821     */
1822    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1823    public static final String ACTION_LOCALE_CHANGED = "android.intent.action.LOCALE_CHANGED";
1824    /**
1825     * Broadcast Action:  This is a <em>sticky broadcast</em> containing the
1826     * charging state, level, and other information about the battery.
1827     * See {@link android.os.BatteryManager} for documentation on the
1828     * contents of the Intent.
1829     *
1830     * <p class="note">
1831     * You can <em>not</em> receive this through components declared
1832     * in manifests, only by explicitly registering for it with
1833     * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
1834     * Context.registerReceiver()}.  See {@link #ACTION_BATTERY_LOW},
1835     * {@link #ACTION_BATTERY_OKAY}, {@link #ACTION_POWER_CONNECTED},
1836     * and {@link #ACTION_POWER_DISCONNECTED} for distinct battery-related
1837     * broadcasts that are sent and can be received through manifest
1838     * receivers.
1839     *
1840     * <p class="note">This is a protected intent that can only be sent
1841     * by the system.
1842     */
1843    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1844    public static final String ACTION_BATTERY_CHANGED = "android.intent.action.BATTERY_CHANGED";
1845    /**
1846     * Broadcast Action:  Indicates low battery condition on the device.
1847     * This broadcast corresponds to the "Low battery warning" system dialog.
1848     *
1849     * <p class="note">This is a protected intent that can only be sent
1850     * by the system.
1851     */
1852    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1853    public static final String ACTION_BATTERY_LOW = "android.intent.action.BATTERY_LOW";
1854    /**
1855     * Broadcast Action:  Indicates the battery is now okay after being low.
1856     * This will be sent after {@link #ACTION_BATTERY_LOW} once the battery has
1857     * gone back up to an okay state.
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_BATTERY_OKAY = "android.intent.action.BATTERY_OKAY";
1864    /**
1865     * Broadcast Action:  External power has been connected to the device.
1866     * This is intended for applications that wish to register specifically to this notification.
1867     * Unlike ACTION_BATTERY_CHANGED, applications will be woken for this and so do not have to
1868     * stay active to receive this notification.  This action can be used to implement actions
1869     * that wait until power is available to trigger.
1870     *
1871     * <p class="note">This is a protected intent that can only be sent
1872     * by the system.
1873     */
1874    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1875    public static final String ACTION_POWER_CONNECTED = "android.intent.action.ACTION_POWER_CONNECTED";
1876    /**
1877     * Broadcast Action:  External power has been removed from the device.
1878     * This is intended for applications that wish to register specifically to this notification.
1879     * Unlike ACTION_BATTERY_CHANGED, applications will be woken for this and so do not have to
1880     * stay active to receive this notification.  This action can be used to implement actions
1881     * that wait until power is available to trigger.
1882     *
1883     * <p class="note">This is a protected intent that can only be sent
1884     * by the system.
1885     */
1886    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1887    public static final String ACTION_POWER_DISCONNECTED =
1888            "android.intent.action.ACTION_POWER_DISCONNECTED";
1889    /**
1890     * Broadcast Action:  Device is shutting down.
1891     * This is broadcast when the device is being shut down (completely turned
1892     * off, not sleeping).  Once the broadcast is complete, the final shutdown
1893     * will proceed and all unsaved data lost.  Apps will not normally need
1894     * to handle this, since the foreground activity will be paused as well.
1895     *
1896     * <p class="note">This is a protected intent that can only be sent
1897     * by the system.
1898     */
1899    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1900    public static final String ACTION_SHUTDOWN = "android.intent.action.ACTION_SHUTDOWN";
1901    /**
1902     * Activity Action:  Start this activity to request system shutdown.
1903     * The optional boolean extra field {@link #EXTRA_KEY_CONFIRM} can be set to true
1904     * to request confirmation from the user before shutting down.
1905     *
1906     * <p class="note">This is a protected intent that can only be sent
1907     * by the system.
1908     *
1909     * {@hide}
1910     */
1911    public static final String ACTION_REQUEST_SHUTDOWN = "android.intent.action.ACTION_REQUEST_SHUTDOWN";
1912    /**
1913     * Broadcast Action:  A sticky broadcast that indicates low memory
1914     * condition on the device
1915     *
1916     * <p class="note">This is a protected intent that can only be sent
1917     * by the system.
1918     */
1919    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1920    public static final String ACTION_DEVICE_STORAGE_LOW = "android.intent.action.DEVICE_STORAGE_LOW";
1921    /**
1922     * Broadcast Action:  Indicates low memory condition on the device no longer exists
1923     *
1924     * <p class="note">This is a protected intent that can only be sent
1925     * by the system.
1926     */
1927    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1928    public static final String ACTION_DEVICE_STORAGE_OK = "android.intent.action.DEVICE_STORAGE_OK";
1929    /**
1930     * Broadcast Action:  A sticky broadcast that indicates a memory full
1931     * condition on the device. This is intended for activities that want
1932     * to be able to fill the data partition completely, leaving only
1933     * enough free space to prevent system-wide SQLite failures.
1934     *
1935     * <p class="note">This is a protected intent that can only be sent
1936     * by the system.
1937     *
1938     * {@hide}
1939     */
1940    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1941    public static final String ACTION_DEVICE_STORAGE_FULL = "android.intent.action.DEVICE_STORAGE_FULL";
1942    /**
1943     * Broadcast Action:  Indicates memory full condition on the device
1944     * no longer exists.
1945     *
1946     * <p class="note">This is a protected intent that can only be sent
1947     * by the system.
1948     *
1949     * {@hide}
1950     */
1951    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1952    public static final String ACTION_DEVICE_STORAGE_NOT_FULL = "android.intent.action.DEVICE_STORAGE_NOT_FULL";
1953    /**
1954     * Broadcast Action:  Indicates low memory condition notification acknowledged by user
1955     * and package management should be started.
1956     * This is triggered by the user from the ACTION_DEVICE_STORAGE_LOW
1957     * notification.
1958     */
1959    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1960    public static final String ACTION_MANAGE_PACKAGE_STORAGE = "android.intent.action.MANAGE_PACKAGE_STORAGE";
1961    /**
1962     * Broadcast Action:  The device has entered USB Mass Storage mode.
1963     * This is used mainly for the USB Settings panel.
1964     * Apps should listen for ACTION_MEDIA_MOUNTED and ACTION_MEDIA_UNMOUNTED broadcasts to be notified
1965     * when the SD card file system is mounted or unmounted
1966     * @deprecated replaced by android.os.storage.StorageEventListener
1967     */
1968    @Deprecated
1969    public static final String ACTION_UMS_CONNECTED = "android.intent.action.UMS_CONNECTED";
1970
1971    /**
1972     * Broadcast Action:  The device has exited USB Mass Storage mode.
1973     * This is used mainly for the USB Settings panel.
1974     * Apps should listen for ACTION_MEDIA_MOUNTED and ACTION_MEDIA_UNMOUNTED broadcasts to be notified
1975     * when the SD card file system is mounted or unmounted
1976     * @deprecated replaced by android.os.storage.StorageEventListener
1977     */
1978    @Deprecated
1979    public static final String ACTION_UMS_DISCONNECTED = "android.intent.action.UMS_DISCONNECTED";
1980
1981    /**
1982     * Broadcast Action:  External media has been removed.
1983     * The path to the mount point for the removed media is contained in the Intent.mData field.
1984     */
1985    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1986    public static final String ACTION_MEDIA_REMOVED = "android.intent.action.MEDIA_REMOVED";
1987
1988    /**
1989     * Broadcast Action:  External media is present, but not mounted at its mount point.
1990     * The path to the mount point for the unmounted media is contained in the Intent.mData field.
1991     */
1992    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
1993    public static final String ACTION_MEDIA_UNMOUNTED = "android.intent.action.MEDIA_UNMOUNTED";
1994
1995    /**
1996     * Broadcast Action:  External media is present, and being disk-checked
1997     * The path to the mount point for the checking media is contained in the Intent.mData field.
1998     */
1999    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2000    public static final String ACTION_MEDIA_CHECKING = "android.intent.action.MEDIA_CHECKING";
2001
2002    /**
2003     * Broadcast Action:  External media is present, but is using an incompatible fs (or is blank)
2004     * The path to the mount point for the checking media is contained in the Intent.mData field.
2005     */
2006    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2007    public static final String ACTION_MEDIA_NOFS = "android.intent.action.MEDIA_NOFS";
2008
2009    /**
2010     * Broadcast Action:  External media is present and mounted at its mount point.
2011     * The path to the mount point for the mounted media is contained in the Intent.mData field.
2012     * The Intent contains an extra with name "read-only" and Boolean value to indicate if the
2013     * media was mounted read only.
2014     */
2015    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2016    public static final String ACTION_MEDIA_MOUNTED = "android.intent.action.MEDIA_MOUNTED";
2017
2018    /**
2019     * Broadcast Action:  External media is unmounted because it is being shared via USB mass storage.
2020     * The path to the mount point for the shared media is contained in the Intent.mData field.
2021     */
2022    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2023    public static final String ACTION_MEDIA_SHARED = "android.intent.action.MEDIA_SHARED";
2024
2025    /**
2026     * Broadcast Action:  External media is no longer being shared via USB mass storage.
2027     * The path to the mount point for the previously shared media is contained in the Intent.mData field.
2028     *
2029     * @hide
2030     */
2031    public static final String ACTION_MEDIA_UNSHARED = "android.intent.action.MEDIA_UNSHARED";
2032
2033    /**
2034     * Broadcast Action:  External media was removed from SD card slot, but mount point was not unmounted.
2035     * The path to the mount point for the removed media is contained in the Intent.mData field.
2036     */
2037    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2038    public static final String ACTION_MEDIA_BAD_REMOVAL = "android.intent.action.MEDIA_BAD_REMOVAL";
2039
2040    /**
2041     * Broadcast Action:  External media is present but cannot be mounted.
2042     * The path to the mount point for the unmountable media is contained in the Intent.mData field.
2043     */
2044    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2045    public static final String ACTION_MEDIA_UNMOUNTABLE = "android.intent.action.MEDIA_UNMOUNTABLE";
2046
2047   /**
2048     * Broadcast Action:  User has expressed the desire to remove the external storage media.
2049     * Applications should close all files they have open within the mount point when they receive this intent.
2050     * The path to the mount point for the media to be ejected is contained in the Intent.mData field.
2051     */
2052    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2053    public static final String ACTION_MEDIA_EJECT = "android.intent.action.MEDIA_EJECT";
2054
2055    /**
2056     * Broadcast Action:  The media scanner has started scanning a directory.
2057     * The path to the directory being scanned is contained in the Intent.mData field.
2058     */
2059    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2060    public static final String ACTION_MEDIA_SCANNER_STARTED = "android.intent.action.MEDIA_SCANNER_STARTED";
2061
2062   /**
2063     * Broadcast Action:  The media scanner has finished scanning a directory.
2064     * The path to the scanned directory is contained in the Intent.mData field.
2065     */
2066    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2067    public static final String ACTION_MEDIA_SCANNER_FINISHED = "android.intent.action.MEDIA_SCANNER_FINISHED";
2068
2069   /**
2070     * Broadcast Action:  Request the media scanner to scan a file and add it to the media database.
2071     * The path to the file is contained in the Intent.mData field.
2072     */
2073    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2074    public static final String ACTION_MEDIA_SCANNER_SCAN_FILE = "android.intent.action.MEDIA_SCANNER_SCAN_FILE";
2075
2076   /**
2077     * Broadcast Action:  The "Media Button" was pressed.  Includes a single
2078     * extra field, {@link #EXTRA_KEY_EVENT}, containing the key event that
2079     * caused the broadcast.
2080     */
2081    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2082    public static final String ACTION_MEDIA_BUTTON = "android.intent.action.MEDIA_BUTTON";
2083
2084    /**
2085     * Broadcast Action:  The "Camera Button" was pressed.  Includes a single
2086     * extra field, {@link #EXTRA_KEY_EVENT}, containing the key event that
2087     * caused the broadcast.
2088     */
2089    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2090    public static final String ACTION_CAMERA_BUTTON = "android.intent.action.CAMERA_BUTTON";
2091
2092    // *** NOTE: @todo(*) The following really should go into a more domain-specific
2093    // location; they are not general-purpose actions.
2094
2095    /**
2096     * Broadcast Action: A GTalk connection has been established.
2097     */
2098    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2099    public static final String ACTION_GTALK_SERVICE_CONNECTED =
2100            "android.intent.action.GTALK_CONNECTED";
2101
2102    /**
2103     * Broadcast Action: A GTalk connection has been disconnected.
2104     */
2105    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2106    public static final String ACTION_GTALK_SERVICE_DISCONNECTED =
2107            "android.intent.action.GTALK_DISCONNECTED";
2108
2109    /**
2110     * Broadcast Action: An input method has been changed.
2111     */
2112    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2113    public static final String ACTION_INPUT_METHOD_CHANGED =
2114            "android.intent.action.INPUT_METHOD_CHANGED";
2115
2116    /**
2117     * <p>Broadcast Action: The user has switched the phone into or out of Airplane Mode. One or
2118     * more radios have been turned off or on. The intent will have the following extra value:</p>
2119     * <ul>
2120     *   <li><em>state</em> - A boolean value indicating whether Airplane Mode is on. If true,
2121     *   then cell radio and possibly other radios such as bluetooth or WiFi may have also been
2122     *   turned off</li>
2123     * </ul>
2124     *
2125     * <p class="note">This is a protected intent that can only be sent
2126     * by the system.
2127     */
2128    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2129    public static final String ACTION_AIRPLANE_MODE_CHANGED = "android.intent.action.AIRPLANE_MODE";
2130
2131    /**
2132     * Broadcast Action: Some content providers have parts of their namespace
2133     * where they publish new events or items that the user may be especially
2134     * interested in. For these things, they may broadcast this action when the
2135     * set of interesting items change.
2136     *
2137     * For example, GmailProvider sends this notification when the set of unread
2138     * mail in the inbox changes.
2139     *
2140     * <p>The data of the intent identifies which part of which provider
2141     * changed. When queried through the content resolver, the data URI will
2142     * return the data set in question.
2143     *
2144     * <p>The intent will have the following extra values:
2145     * <ul>
2146     *   <li><em>count</em> - The number of items in the data set. This is the
2147     *       same as the number of items in the cursor returned by querying the
2148     *       data URI. </li>
2149     * </ul>
2150     *
2151     * This intent will be sent at boot (if the count is non-zero) and when the
2152     * data set changes. It is possible for the data set to change without the
2153     * count changing (for example, if a new unread message arrives in the same
2154     * sync operation in which a message is archived). The phone should still
2155     * ring/vibrate/etc as normal in this case.
2156     */
2157    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2158    public static final String ACTION_PROVIDER_CHANGED =
2159            "android.intent.action.PROVIDER_CHANGED";
2160
2161    /**
2162     * Broadcast Action: Wired Headset plugged in or unplugged.
2163     *
2164     * <p>The intent will have the following extra values:
2165     * <ul>
2166     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2167     *   <li><em>name</em> - Headset type, human readable string </li>
2168     *   <li><em>microphone</em> - 1 if headset has a microphone, 0 otherwise </li>
2169     * </ul>
2170     * </ul>
2171     */
2172    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2173    public static final String ACTION_HEADSET_PLUG =
2174            "android.intent.action.HEADSET_PLUG";
2175
2176    /**
2177     * Broadcast Action: An analog audio speaker/headset plugged in or unplugged.
2178     *
2179     * <p>The intent will have the following extra values:
2180     * <ul>
2181     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2182     *   <li><em>name</em> - Headset type, human readable string </li>
2183     * </ul>
2184     * </ul>
2185     * @hide
2186     */
2187    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2188    public static final String ACTION_ANALOG_AUDIO_DOCK_PLUG =
2189            "android.intent.action.ANALOG_AUDIO_DOCK_PLUG";
2190
2191    /**
2192     * Broadcast Action: A digital audio speaker/headset plugged in or unplugged.
2193     *
2194     * <p>The intent will have the following extra values:
2195     * <ul>
2196     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2197     *   <li><em>name</em> - Headset type, human readable string </li>
2198     * </ul>
2199     * </ul>
2200     * @hide
2201     */
2202    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2203    public static final String ACTION_DIGITAL_AUDIO_DOCK_PLUG =
2204            "android.intent.action.DIGITAL_AUDIO_DOCK_PLUG";
2205
2206    /**
2207     * Broadcast Action: A HMDI cable was plugged or unplugged
2208     *
2209     * <p>The intent will have the following extra values:
2210     * <ul>
2211     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2212     *   <li><em>name</em> - HDMI cable, human readable string </li>
2213     * </ul>
2214     * </ul>
2215     * @hide
2216     */
2217    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2218    public static final String ACTION_HDMI_AUDIO_PLUG =
2219            "android.intent.action.HDMI_AUDIO_PLUG";
2220
2221    /**
2222     * Broadcast Action: A USB audio accessory was plugged in or unplugged.
2223     *
2224     * <p>The intent will have the following extra values:
2225     * <ul>
2226     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2227     *   <li><em>card</em> - ALSA card number (integer) </li>
2228     *   <li><em>device</em> - ALSA device number (integer) </li>
2229     * </ul>
2230     * </ul>
2231     * @hide
2232     */
2233    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2234    public static final String ACTION_USB_AUDIO_ACCESSORY_PLUG =
2235            "android.intent.action.USB_AUDIO_ACCESSORY_PLUG";
2236
2237    /**
2238     * Broadcast Action: A USB audio device was plugged in or unplugged.
2239     *
2240     * <p>The intent will have the following extra values:
2241     * <ul>
2242     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
2243     *   <li><em>card</em> - ALSA card number (integer) </li>
2244     *   <li><em>device</em> - ALSA device number (integer) </li>
2245     * </ul>
2246     * </ul>
2247     * @hide
2248     */
2249    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2250    public static final String ACTION_USB_AUDIO_DEVICE_PLUG =
2251            "android.intent.action.USB_AUDIO_DEVICE_PLUG";
2252
2253    /**
2254     * <p>Broadcast Action: The user has switched on advanced settings in the settings app:</p>
2255     * <ul>
2256     *   <li><em>state</em> - A boolean value indicating whether the settings is on or off.</li>
2257     * </ul>
2258     *
2259     * <p class="note">This is a protected intent that can only be sent
2260     * by the system.
2261     *
2262     * @hide
2263     */
2264    //@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2265    public static final String ACTION_ADVANCED_SETTINGS_CHANGED
2266            = "android.intent.action.ADVANCED_SETTINGS";
2267
2268    /**
2269     * Broadcast Action: An outgoing call is about to be placed.
2270     *
2271     * <p>The Intent will have the following extra value:
2272     * <ul>
2273     *   <li><em>{@link android.content.Intent#EXTRA_PHONE_NUMBER}</em> -
2274     *       the phone number originally intended to be dialed.</li>
2275     * </ul>
2276     * <p>Once the broadcast is finished, the resultData is used as the actual
2277     * number to call.  If  <code>null</code>, no call will be placed.</p>
2278     * <p>It is perfectly acceptable for multiple receivers to process the
2279     * outgoing call in turn: for example, a parental control application
2280     * might verify that the user is authorized to place the call at that
2281     * time, then a number-rewriting application might add an area code if
2282     * one was not specified.</p>
2283     * <p>For consistency, any receiver whose purpose is to prohibit phone
2284     * calls should have a priority of 0, to ensure it will see the final
2285     * phone number to be dialed.
2286     * Any receiver whose purpose is to rewrite phone numbers to be called
2287     * should have a positive priority.
2288     * Negative priorities are reserved for the system for this broadcast;
2289     * using them may cause problems.</p>
2290     * <p>Any BroadcastReceiver receiving this Intent <em>must not</em>
2291     * abort the broadcast.</p>
2292     * <p>Emergency calls cannot be intercepted using this mechanism, and
2293     * other calls cannot be modified to call emergency numbers using this
2294     * mechanism.
2295     * <p>You must hold the
2296     * {@link android.Manifest.permission#PROCESS_OUTGOING_CALLS}
2297     * permission to receive this Intent.</p>
2298     *
2299     * <p class="note">This is a protected intent that can only be sent
2300     * by the system.
2301     */
2302    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2303    public static final String ACTION_NEW_OUTGOING_CALL =
2304            "android.intent.action.NEW_OUTGOING_CALL";
2305
2306    /**
2307     * Broadcast Action: Have the device reboot.  This is only for use by
2308     * system code.
2309     *
2310     * <p class="note">This is a protected intent that can only be sent
2311     * by the system.
2312     */
2313    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2314    public static final String ACTION_REBOOT =
2315            "android.intent.action.REBOOT";
2316
2317    /**
2318     * Broadcast Action:  A sticky broadcast for changes in the physical
2319     * docking state of the device.
2320     *
2321     * <p>The intent will have the following extra values:
2322     * <ul>
2323     *   <li><em>{@link #EXTRA_DOCK_STATE}</em> - the current dock
2324     *       state, indicating which dock the device is physically in.</li>
2325     * </ul>
2326     * <p>This is intended for monitoring the current physical dock state.
2327     * See {@link android.app.UiModeManager} for the normal API dealing with
2328     * dock mode changes.
2329     */
2330    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2331    public static final String ACTION_DOCK_EVENT =
2332            "android.intent.action.DOCK_EVENT";
2333
2334    /**
2335     * Broadcast Action: A broadcast when idle maintenance can be started.
2336     * This means that the user is not interacting with the device and is
2337     * not expected to do so soon. Typical use of the idle maintenance is
2338     * to perform somehow expensive tasks that can be postponed at a moment
2339     * when they will not degrade user experience.
2340     * <p>
2341     * <p class="note">In order to keep the device responsive in case of an
2342     * unexpected user interaction, implementations of a maintenance task
2343     * should be interruptible. In such a scenario a broadcast with action
2344     * {@link #ACTION_IDLE_MAINTENANCE_END} will be sent. In other words, you
2345     * should not do the maintenance work in
2346     * {@link BroadcastReceiver#onReceive(Context, Intent)}, rather start a
2347     * maintenance service by {@link Context#startService(Intent)}. Also
2348     * you should hold a wake lock while your maintenance service is running
2349     * to prevent the device going to sleep.
2350     * </p>
2351     * <p>
2352     * <p class="note">This is a protected intent that can only be sent by
2353     * the system.
2354     * </p>
2355     *
2356     * @see #ACTION_IDLE_MAINTENANCE_END
2357     */
2358    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2359    public static final String ACTION_IDLE_MAINTENANCE_START =
2360            "android.intent.action.ACTION_IDLE_MAINTENANCE_START";
2361
2362    /**
2363     * Broadcast Action:  A broadcast when idle maintenance should be stopped.
2364     * This means that the user was not interacting with the device as a result
2365     * of which a broadcast with action {@link #ACTION_IDLE_MAINTENANCE_START}
2366     * was sent and now the user started interacting with the device. Typical
2367     * use of the idle maintenance is to perform somehow expensive tasks that
2368     * can be postponed at a moment when they will not degrade user experience.
2369     * <p>
2370     * <p class="note">In order to keep the device responsive in case of an
2371     * unexpected user interaction, implementations of a maintenance task
2372     * should be interruptible. Hence, on receiving a broadcast with this
2373     * action, the maintenance task should be interrupted as soon as possible.
2374     * In other words, you should not do the maintenance work in
2375     * {@link BroadcastReceiver#onReceive(Context, Intent)}, rather stop the
2376     * maintenance service that was started on receiving of
2377     * {@link #ACTION_IDLE_MAINTENANCE_START}.Also you should release the wake
2378     * lock you acquired when your maintenance service started.
2379     * </p>
2380     * <p class="note">This is a protected intent that can only be sent
2381     * by the system.
2382     *
2383     * @see #ACTION_IDLE_MAINTENANCE_START
2384     */
2385    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2386    public static final String ACTION_IDLE_MAINTENANCE_END =
2387            "android.intent.action.ACTION_IDLE_MAINTENANCE_END";
2388
2389    /**
2390     * Broadcast Action: a remote intent is to be broadcasted.
2391     *
2392     * A remote intent is used for remote RPC between devices. The remote intent
2393     * is serialized and sent from one device to another device. The receiving
2394     * device parses the remote intent and broadcasts it. Note that anyone can
2395     * broadcast a remote intent. However, if the intent receiver of the remote intent
2396     * does not trust intent broadcasts from arbitrary intent senders, it should require
2397     * the sender to hold certain permissions so only trusted sender's broadcast will be
2398     * let through.
2399     * @hide
2400     */
2401    public static final String ACTION_REMOTE_INTENT =
2402            "com.google.android.c2dm.intent.RECEIVE";
2403
2404    /**
2405     * Broadcast Action: hook for permforming cleanup after a system update.
2406     *
2407     * The broadcast is sent when the system is booting, before the
2408     * BOOT_COMPLETED broadcast.  It is only sent to receivers in the system
2409     * image.  A receiver for this should do its work and then disable itself
2410     * so that it does not get run again at the next boot.
2411     * @hide
2412     */
2413    public static final String ACTION_PRE_BOOT_COMPLETED =
2414            "android.intent.action.PRE_BOOT_COMPLETED";
2415
2416    /**
2417     * Broadcast to a specific application to query any supported restrictions to impose
2418     * on restricted users. The response should contain an extra {@link #EXTRA_RESTRICTIONS}
2419     * which is of type <code>ArrayList&lt;RestrictionEntry&gt;</code>.
2420     * @see RestrictionEntry
2421     */
2422    public static final String ACTION_GET_RESTRICTION_ENTRIES =
2423            "android.intent.action.GET_RESTRICTION_ENTRIES";
2424
2425    /**
2426     * Sent the first time a user is starting, to allow system apps to
2427     * perform one time initialization.  (This will not be seen by third
2428     * party applications because a newly initialized user does not have any
2429     * third party applications installed for it.)  This is sent early in
2430     * starting the user, around the time the home app is started, before
2431     * {@link #ACTION_BOOT_COMPLETED} is sent.  This is sent as a foreground
2432     * broadcast, since it is part of a visible user interaction; be as quick
2433     * as possible when handling it.
2434     */
2435    public static final String ACTION_USER_INITIALIZE =
2436            "android.intent.action.USER_INITIALIZE";
2437
2438    /**
2439     * Sent when a user switch is happening, causing the process's user to be
2440     * brought to the foreground.  This is only sent to receivers registered
2441     * through {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
2442     * Context.registerReceiver}.  It is sent to the user that is going to the
2443     * foreground.  This is sent as a foreground
2444     * broadcast, since it is part of a visible user interaction; be as quick
2445     * as possible when handling it.
2446     */
2447    public static final String ACTION_USER_FOREGROUND =
2448            "android.intent.action.USER_FOREGROUND";
2449
2450    /**
2451     * Sent when a user switch is happening, causing the process's user to be
2452     * sent to the background.  This is only sent to receivers registered
2453     * through {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
2454     * Context.registerReceiver}.  It is sent to the user that is going to the
2455     * background.  This is sent as a foreground
2456     * broadcast, since it is part of a visible user interaction; be as quick
2457     * as possible when handling it.
2458     */
2459    public static final String ACTION_USER_BACKGROUND =
2460            "android.intent.action.USER_BACKGROUND";
2461
2462    /**
2463     * Broadcast sent to the system when a user is added. Carries an extra
2464     * EXTRA_USER_HANDLE that has the userHandle of the new user.  It is sent to
2465     * all running users.  You must hold
2466     * {@link android.Manifest.permission#MANAGE_USERS} to receive this broadcast.
2467     * @hide
2468     */
2469    public static final String ACTION_USER_ADDED =
2470            "android.intent.action.USER_ADDED";
2471
2472    /**
2473     * Broadcast sent by the system when a user is started. Carries an extra
2474     * EXTRA_USER_HANDLE that has the userHandle of the user.  This is only sent to
2475     * registered receivers, not manifest receivers.  It is sent to the user
2476     * that has been started.  This is sent as a foreground
2477     * broadcast, since it is part of a visible user interaction; be as quick
2478     * as possible when handling it.
2479     * @hide
2480     */
2481    public static final String ACTION_USER_STARTED =
2482            "android.intent.action.USER_STARTED";
2483
2484    /**
2485     * Broadcast sent when a user is in the process of starting.  Carries an extra
2486     * EXTRA_USER_HANDLE that has the userHandle of the user.  This is only
2487     * sent to registered receivers, not manifest receivers.  It is sent to all
2488     * users (including the one that is being started).  You must hold
2489     * {@link android.Manifest.permission#INTERACT_ACROSS_USERS} to receive
2490     * this broadcast.  This is sent as a background broadcast, since
2491     * its result is not part of the primary UX flow; to safely keep track of
2492     * started/stopped state of a user you can use this in conjunction with
2493     * {@link #ACTION_USER_STOPPING}.  It is <b>not</b> generally safe to use with
2494     * other user state broadcasts since those are foreground broadcasts so can
2495     * execute in a different order.
2496     * @hide
2497     */
2498    public static final String ACTION_USER_STARTING =
2499            "android.intent.action.USER_STARTING";
2500
2501    /**
2502     * Broadcast sent when a user is going to be stopped.  Carries an extra
2503     * EXTRA_USER_HANDLE that has the userHandle of the user.  This is only
2504     * sent to registered receivers, not manifest receivers.  It is sent to all
2505     * users (including the one that is being stopped).  You must hold
2506     * {@link android.Manifest.permission#INTERACT_ACROSS_USERS} to receive
2507     * this broadcast.  The user will not stop until all receivers have
2508     * handled the broadcast.  This is sent as a background broadcast, since
2509     * its result is not part of the primary UX flow; to safely keep track of
2510     * started/stopped state of a user you can use this in conjunction with
2511     * {@link #ACTION_USER_STARTING}.  It is <b>not</b> generally safe to use with
2512     * other user state broadcasts since those are foreground broadcasts so can
2513     * execute in a different order.
2514     * @hide
2515     */
2516    public static final String ACTION_USER_STOPPING =
2517            "android.intent.action.USER_STOPPING";
2518
2519    /**
2520     * Broadcast sent to the system when a user is stopped. Carries an extra
2521     * EXTRA_USER_HANDLE that has the userHandle of the user.  This is similar to
2522     * {@link #ACTION_PACKAGE_RESTARTED}, but for an entire user instead of a
2523     * specific package.  This is only sent to registered receivers, not manifest
2524     * receivers.  It is sent to all running users <em>except</em> the one that
2525     * has just been stopped (which is no longer running).
2526     * @hide
2527     */
2528    public static final String ACTION_USER_STOPPED =
2529            "android.intent.action.USER_STOPPED";
2530
2531    /**
2532     * Broadcast sent to the system when a user is removed. Carries an extra EXTRA_USER_HANDLE that has
2533     * the userHandle of the user.  It is sent to all running users except the
2534     * one that has been removed. The user will not be completely removed until all receivers have
2535     * handled the broadcast. You must hold
2536     * {@link android.Manifest.permission#MANAGE_USERS} to receive this broadcast.
2537     * @hide
2538     */
2539    public static final String ACTION_USER_REMOVED =
2540            "android.intent.action.USER_REMOVED";
2541
2542    /**
2543     * Broadcast sent to the system when the user switches. Carries an extra EXTRA_USER_HANDLE that has
2544     * the userHandle of the user to become the current one. This is only sent to
2545     * registered receivers, not manifest receivers.  It is sent to all running users.
2546     * You must hold
2547     * {@link android.Manifest.permission#MANAGE_USERS} to receive this broadcast.
2548     * @hide
2549     */
2550    public static final String ACTION_USER_SWITCHED =
2551            "android.intent.action.USER_SWITCHED";
2552
2553    /**
2554     * Broadcast sent to the system when a user's information changes. Carries an extra
2555     * {@link #EXTRA_USER_HANDLE} to indicate which user's information changed.
2556     * This is only sent to registered receivers, not manifest receivers. It is sent to the user
2557     * whose information has changed.
2558     * @hide
2559     */
2560    public static final String ACTION_USER_INFO_CHANGED =
2561            "android.intent.action.USER_INFO_CHANGED";
2562
2563    /**
2564     * Sent when the user taps on the clock widget in the system's "quick settings" area.
2565     */
2566    public static final String ACTION_QUICK_CLOCK =
2567            "android.intent.action.QUICK_CLOCK";
2568
2569    /**
2570     * Broadcast Action: This is broadcast when a user action should request the
2571     * brightness setting dialog.
2572     * @hide
2573     */
2574    public static final String ACTION_SHOW_BRIGHTNESS_DIALOG =
2575            "android.intent.action.SHOW_BRIGHTNESS_DIALOG";
2576
2577    // ---------------------------------------------------------------------
2578    // ---------------------------------------------------------------------
2579    // Standard intent categories (see addCategory()).
2580
2581    /**
2582     * Set if the activity should be an option for the default action
2583     * (center press) to perform on a piece of data.  Setting this will
2584     * hide from the user any activities without it set when performing an
2585     * action on some data.  Note that this is normal -not- set in the
2586     * Intent when initiating an action -- it is for use in intent filters
2587     * specified in packages.
2588     */
2589    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2590    public static final String CATEGORY_DEFAULT = "android.intent.category.DEFAULT";
2591    /**
2592     * Activities that can be safely invoked from a browser must support this
2593     * category.  For example, if the user is viewing a web page or an e-mail
2594     * and clicks on a link in the text, the Intent generated execute that
2595     * link will require the BROWSABLE category, so that only activities
2596     * supporting this category will be considered as possible actions.  By
2597     * supporting this category, you are promising that there is nothing
2598     * damaging (without user intervention) that can happen by invoking any
2599     * matching Intent.
2600     */
2601    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2602    public static final String CATEGORY_BROWSABLE = "android.intent.category.BROWSABLE";
2603    /**
2604     * Set if the activity should be considered as an alternative action to
2605     * the data the user is currently viewing.  See also
2606     * {@link #CATEGORY_SELECTED_ALTERNATIVE} for an alternative action that
2607     * applies to the selection in a list of items.
2608     *
2609     * <p>Supporting this category means that you would like your activity to be
2610     * displayed in the set of alternative things the user can do, usually as
2611     * part of the current activity's options menu.  You will usually want to
2612     * include a specific label in the &lt;intent-filter&gt; of this action
2613     * describing to the user what it does.
2614     *
2615     * <p>The action of IntentFilter with this category is important in that it
2616     * describes the specific action the target will perform.  This generally
2617     * should not be a generic action (such as {@link #ACTION_VIEW}, but rather
2618     * a specific name such as "com.android.camera.action.CROP.  Only one
2619     * alternative of any particular action will be shown to the user, so using
2620     * a specific action like this makes sure that your alternative will be
2621     * displayed while also allowing other applications to provide their own
2622     * overrides of that particular action.
2623     */
2624    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2625    public static final String CATEGORY_ALTERNATIVE = "android.intent.category.ALTERNATIVE";
2626    /**
2627     * Set if the activity should be considered as an alternative selection
2628     * action to the data the user has currently selected.  This is like
2629     * {@link #CATEGORY_ALTERNATIVE}, but is used in activities showing a list
2630     * of items from which the user can select, giving them alternatives to the
2631     * default action that will be performed on it.
2632     */
2633    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2634    public static final String CATEGORY_SELECTED_ALTERNATIVE = "android.intent.category.SELECTED_ALTERNATIVE";
2635    /**
2636     * Intended to be used as a tab inside of a containing TabActivity.
2637     */
2638    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2639    public static final String CATEGORY_TAB = "android.intent.category.TAB";
2640    /**
2641     * Should be displayed in the top-level launcher.
2642     */
2643    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2644    public static final String CATEGORY_LAUNCHER = "android.intent.category.LAUNCHER";
2645    /**
2646     * Provides information about the package it is in; typically used if
2647     * a package does not contain a {@link #CATEGORY_LAUNCHER} to provide
2648     * a front-door to the user without having to be shown in the all apps list.
2649     */
2650    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2651    public static final String CATEGORY_INFO = "android.intent.category.INFO";
2652    /**
2653     * This is the home activity, that is the first activity that is displayed
2654     * when the device boots.
2655     */
2656    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2657    public static final String CATEGORY_HOME = "android.intent.category.HOME";
2658    /**
2659     * This activity is a preference panel.
2660     */
2661    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2662    public static final String CATEGORY_PREFERENCE = "android.intent.category.PREFERENCE";
2663    /**
2664     * This activity is a development preference panel.
2665     */
2666    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2667    public static final String CATEGORY_DEVELOPMENT_PREFERENCE = "android.intent.category.DEVELOPMENT_PREFERENCE";
2668    /**
2669     * Capable of running inside a parent activity container.
2670     */
2671    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2672    public static final String CATEGORY_EMBED = "android.intent.category.EMBED";
2673    /**
2674     * This activity allows the user to browse and download new applications.
2675     */
2676    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2677    public static final String CATEGORY_APP_MARKET = "android.intent.category.APP_MARKET";
2678    /**
2679     * This activity may be exercised by the monkey or other automated test tools.
2680     */
2681    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2682    public static final String CATEGORY_MONKEY = "android.intent.category.MONKEY";
2683    /**
2684     * To be used as a test (not part of the normal user experience).
2685     */
2686    public static final String CATEGORY_TEST = "android.intent.category.TEST";
2687    /**
2688     * To be used as a unit test (run through the Test Harness).
2689     */
2690    public static final String CATEGORY_UNIT_TEST = "android.intent.category.UNIT_TEST";
2691    /**
2692     * To be used as a sample code example (not part of the normal user
2693     * experience).
2694     */
2695    public static final String CATEGORY_SAMPLE_CODE = "android.intent.category.SAMPLE_CODE";
2696    /**
2697     * Used to indicate that a GET_CONTENT intent only wants URIs that can be opened with
2698     * ContentResolver.openInputStream. Openable URIs must support the columns in
2699     * {@link android.provider.OpenableColumns}
2700     * when queried, though it is allowable for those columns to be blank.
2701     */
2702    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2703    public static final String CATEGORY_OPENABLE = "android.intent.category.OPENABLE";
2704
2705    /**
2706     * To be used as code under test for framework instrumentation tests.
2707     */
2708    public static final String CATEGORY_FRAMEWORK_INSTRUMENTATION_TEST =
2709            "android.intent.category.FRAMEWORK_INSTRUMENTATION_TEST";
2710    /**
2711     * An activity to run when device is inserted into a car dock.
2712     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2713     * information, see {@link android.app.UiModeManager}.
2714     */
2715    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2716    public static final String CATEGORY_CAR_DOCK = "android.intent.category.CAR_DOCK";
2717    /**
2718     * An activity to run when device is inserted into a car dock.
2719     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2720     * information, see {@link android.app.UiModeManager}.
2721     */
2722    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2723    public static final String CATEGORY_DESK_DOCK = "android.intent.category.DESK_DOCK";
2724    /**
2725     * An activity to run when device is inserted into a analog (low end) dock.
2726     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2727     * information, see {@link android.app.UiModeManager}.
2728     */
2729    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2730    public static final String CATEGORY_LE_DESK_DOCK = "android.intent.category.LE_DESK_DOCK";
2731
2732    /**
2733     * An activity to run when device is inserted into a digital (high end) dock.
2734     * Used with {@link #ACTION_MAIN} to launch an activity.  For more
2735     * information, see {@link android.app.UiModeManager}.
2736     */
2737    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2738    public static final String CATEGORY_HE_DESK_DOCK = "android.intent.category.HE_DESK_DOCK";
2739
2740    /**
2741     * Used to indicate that the activity can be used in a car environment.
2742     */
2743    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2744    public static final String CATEGORY_CAR_MODE = "android.intent.category.CAR_MODE";
2745
2746    // ---------------------------------------------------------------------
2747    // ---------------------------------------------------------------------
2748    // Application launch intent categories (see addCategory()).
2749
2750    /**
2751     * Used with {@link #ACTION_MAIN} to launch the browser application.
2752     * The activity should be able to browse the Internet.
2753     * <p>NOTE: This should not be used as the primary key of an Intent,
2754     * since it will not result in the app launching with the correct
2755     * action and category.  Instead, use this with
2756     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2757     * Intent with this category in the selector.</p>
2758     */
2759    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2760    public static final String CATEGORY_APP_BROWSER = "android.intent.category.APP_BROWSER";
2761
2762    /**
2763     * Used with {@link #ACTION_MAIN} to launch the calculator application.
2764     * The activity should be able to perform standard arithmetic operations.
2765     * <p>NOTE: This should not be used as the primary key of an Intent,
2766     * since it will not result in the app launching with the correct
2767     * action and category.  Instead, use this with
2768     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2769     * Intent with this category in the selector.</p>
2770     */
2771    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2772    public static final String CATEGORY_APP_CALCULATOR = "android.intent.category.APP_CALCULATOR";
2773
2774    /**
2775     * Used with {@link #ACTION_MAIN} to launch the calendar application.
2776     * The activity should be able to view and manipulate calendar entries.
2777     * <p>NOTE: This should not be used as the primary key of an Intent,
2778     * since it will not result in the app launching with the correct
2779     * action and category.  Instead, use this with
2780     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2781     * Intent with this category in the selector.</p>
2782     */
2783    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2784    public static final String CATEGORY_APP_CALENDAR = "android.intent.category.APP_CALENDAR";
2785
2786    /**
2787     * Used with {@link #ACTION_MAIN} to launch the contacts application.
2788     * The activity should be able to view and manipulate address book entries.
2789     * <p>NOTE: This should not be used as the primary key of an Intent,
2790     * since it will not result in the app launching with the correct
2791     * action and category.  Instead, use this with
2792     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2793     * Intent with this category in the selector.</p>
2794     */
2795    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2796    public static final String CATEGORY_APP_CONTACTS = "android.intent.category.APP_CONTACTS";
2797
2798    /**
2799     * Used with {@link #ACTION_MAIN} to launch the email application.
2800     * The activity should be able to send and receive email.
2801     * <p>NOTE: This should not be used as the primary key of an Intent,
2802     * since it will not result in the app launching with the correct
2803     * action and category.  Instead, use this with
2804     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2805     * Intent with this category in the selector.</p>
2806     */
2807    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2808    public static final String CATEGORY_APP_EMAIL = "android.intent.category.APP_EMAIL";
2809
2810    /**
2811     * Used with {@link #ACTION_MAIN} to launch the gallery application.
2812     * The activity should be able to view and manipulate image and video files
2813     * stored on the device.
2814     * <p>NOTE: This should not be used as the primary key of an Intent,
2815     * since it will not result in the app launching with the correct
2816     * action and category.  Instead, use this with
2817     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2818     * Intent with this category in the selector.</p>
2819     */
2820    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2821    public static final String CATEGORY_APP_GALLERY = "android.intent.category.APP_GALLERY";
2822
2823    /**
2824     * Used with {@link #ACTION_MAIN} to launch the maps application.
2825     * The activity should be able to show the user's current location and surroundings.
2826     * <p>NOTE: This should not be used as the primary key of an Intent,
2827     * since it will not result in the app launching with the correct
2828     * action and category.  Instead, use this with
2829     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2830     * Intent with this category in the selector.</p>
2831     */
2832    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2833    public static final String CATEGORY_APP_MAPS = "android.intent.category.APP_MAPS";
2834
2835    /**
2836     * Used with {@link #ACTION_MAIN} to launch the messaging application.
2837     * The activity should be able to send and receive text messages.
2838     * <p>NOTE: This should not be used as the primary key of an Intent,
2839     * since it will not result in the app launching with the correct
2840     * action and category.  Instead, use this with
2841     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2842     * Intent with this category in the selector.</p>
2843     */
2844    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2845    public static final String CATEGORY_APP_MESSAGING = "android.intent.category.APP_MESSAGING";
2846
2847    /**
2848     * Used with {@link #ACTION_MAIN} to launch the music application.
2849     * The activity should be able to play, browse, or manipulate music files
2850     * stored on the device.
2851     * <p>NOTE: This should not be used as the primary key of an Intent,
2852     * since it will not result in the app launching with the correct
2853     * action and category.  Instead, use this with
2854     * {@link #makeMainSelectorActivity(String, String)} to generate a main
2855     * Intent with this category in the selector.</p>
2856     */
2857    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
2858    public static final String CATEGORY_APP_MUSIC = "android.intent.category.APP_MUSIC";
2859
2860    // ---------------------------------------------------------------------
2861    // ---------------------------------------------------------------------
2862    // Standard extra data keys.
2863
2864    /**
2865     * The initial data to place in a newly created record.  Use with
2866     * {@link #ACTION_INSERT}.  The data here is a Map containing the same
2867     * fields as would be given to the underlying ContentProvider.insert()
2868     * call.
2869     */
2870    public static final String EXTRA_TEMPLATE = "android.intent.extra.TEMPLATE";
2871
2872    /**
2873     * A constant CharSequence that is associated with the Intent, used with
2874     * {@link #ACTION_SEND} to supply the literal data to be sent.  Note that
2875     * this may be a styled CharSequence, so you must use
2876     * {@link Bundle#getCharSequence(String) Bundle.getCharSequence()} to
2877     * retrieve it.
2878     */
2879    public static final String EXTRA_TEXT = "android.intent.extra.TEXT";
2880
2881    /**
2882     * A constant String that is associated with the Intent, used with
2883     * {@link #ACTION_SEND} to supply an alternative to {@link #EXTRA_TEXT}
2884     * as HTML formatted text.  Note that you <em>must</em> also supply
2885     * {@link #EXTRA_TEXT}.
2886     */
2887    public static final String EXTRA_HTML_TEXT = "android.intent.extra.HTML_TEXT";
2888
2889    /**
2890     * A content: URI holding a stream of data associated with the Intent,
2891     * used with {@link #ACTION_SEND} to supply the data being sent.
2892     */
2893    public static final String EXTRA_STREAM = "android.intent.extra.STREAM";
2894
2895    /**
2896     * A String[] holding e-mail addresses that should be delivered to.
2897     */
2898    public static final String EXTRA_EMAIL       = "android.intent.extra.EMAIL";
2899
2900    /**
2901     * A String[] holding e-mail addresses that should be carbon copied.
2902     */
2903    public static final String EXTRA_CC       = "android.intent.extra.CC";
2904
2905    /**
2906     * A String[] holding e-mail addresses that should be blind carbon copied.
2907     */
2908    public static final String EXTRA_BCC      = "android.intent.extra.BCC";
2909
2910    /**
2911     * A constant string holding the desired subject line of a message.
2912     */
2913    public static final String EXTRA_SUBJECT  = "android.intent.extra.SUBJECT";
2914
2915    /**
2916     * An Intent describing the choices you would like shown with
2917     * {@link #ACTION_PICK_ACTIVITY}.
2918     */
2919    public static final String EXTRA_INTENT = "android.intent.extra.INTENT";
2920
2921    /**
2922     * A CharSequence dialog title to provide to the user when used with a
2923     * {@link #ACTION_CHOOSER}.
2924     */
2925    public static final String EXTRA_TITLE = "android.intent.extra.TITLE";
2926
2927    /**
2928     * A Parcelable[] of {@link Intent} or
2929     * {@link android.content.pm.LabeledIntent} objects as set with
2930     * {@link #putExtra(String, Parcelable[])} of additional activities to place
2931     * a the front of the list of choices, when shown to the user with a
2932     * {@link #ACTION_CHOOSER}.
2933     */
2934    public static final String EXTRA_INITIAL_INTENTS = "android.intent.extra.INITIAL_INTENTS";
2935
2936    /**
2937     * A {@link android.view.KeyEvent} object containing the event that
2938     * triggered the creation of the Intent it is in.
2939     */
2940    public static final String EXTRA_KEY_EVENT = "android.intent.extra.KEY_EVENT";
2941
2942    /**
2943     * Set to true in {@link #ACTION_REQUEST_SHUTDOWN} to request confirmation from the user
2944     * before shutting down.
2945     *
2946     * {@hide}
2947     */
2948    public static final String EXTRA_KEY_CONFIRM = "android.intent.extra.KEY_CONFIRM";
2949
2950    /**
2951     * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} or
2952     * {@link android.content.Intent#ACTION_PACKAGE_CHANGED} intents to override the default action
2953     * of restarting the application.
2954     */
2955    public static final String EXTRA_DONT_KILL_APP = "android.intent.extra.DONT_KILL_APP";
2956
2957    /**
2958     * A String holding the phone number originally entered in
2959     * {@link android.content.Intent#ACTION_NEW_OUTGOING_CALL}, or the actual
2960     * number to call in a {@link android.content.Intent#ACTION_CALL}.
2961     */
2962    public static final String EXTRA_PHONE_NUMBER = "android.intent.extra.PHONE_NUMBER";
2963
2964    /**
2965     * Used as an int extra field in {@link android.content.Intent#ACTION_UID_REMOVED}
2966     * intents to supply the uid the package had been assigned.  Also an optional
2967     * extra in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} or
2968     * {@link android.content.Intent#ACTION_PACKAGE_CHANGED} for the same
2969     * purpose.
2970     */
2971    public static final String EXTRA_UID = "android.intent.extra.UID";
2972
2973    /**
2974     * @hide String array of package names.
2975     */
2976    public static final String EXTRA_PACKAGES = "android.intent.extra.PACKAGES";
2977
2978    /**
2979     * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED}
2980     * intents to indicate whether this represents a full uninstall (removing
2981     * both the code and its data) or a partial uninstall (leaving its data,
2982     * implying that this is an update).
2983     */
2984    public static final String EXTRA_DATA_REMOVED = "android.intent.extra.DATA_REMOVED";
2985
2986    /**
2987     * @hide
2988     * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED}
2989     * intents to indicate that at this point the package has been removed for
2990     * all users on the device.
2991     */
2992    public static final String EXTRA_REMOVED_FOR_ALL_USERS
2993            = "android.intent.extra.REMOVED_FOR_ALL_USERS";
2994
2995    /**
2996     * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED}
2997     * intents to indicate that this is a replacement of the package, so this
2998     * broadcast will immediately be followed by an add broadcast for a
2999     * different version of the same package.
3000     */
3001    public static final String EXTRA_REPLACING = "android.intent.extra.REPLACING";
3002
3003    /**
3004     * Used as an int extra field in {@link android.app.AlarmManager} intents
3005     * to tell the application being invoked how many pending alarms are being
3006     * delievered with the intent.  For one-shot alarms this will always be 1.
3007     * For recurring alarms, this might be greater than 1 if the device was
3008     * asleep or powered off at the time an earlier alarm would have been
3009     * delivered.
3010     */
3011    public static final String EXTRA_ALARM_COUNT = "android.intent.extra.ALARM_COUNT";
3012
3013    /**
3014     * Used as an int extra field in {@link android.content.Intent#ACTION_DOCK_EVENT}
3015     * intents to request the dock state.  Possible values are
3016     * {@link android.content.Intent#EXTRA_DOCK_STATE_UNDOCKED},
3017     * {@link android.content.Intent#EXTRA_DOCK_STATE_DESK}, or
3018     * {@link android.content.Intent#EXTRA_DOCK_STATE_CAR}, or
3019     * {@link android.content.Intent#EXTRA_DOCK_STATE_LE_DESK}, or
3020     * {@link android.content.Intent#EXTRA_DOCK_STATE_HE_DESK}.
3021     */
3022    public static final String EXTRA_DOCK_STATE = "android.intent.extra.DOCK_STATE";
3023
3024    /**
3025     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
3026     * to represent that the phone is not in any dock.
3027     */
3028    public static final int EXTRA_DOCK_STATE_UNDOCKED = 0;
3029
3030    /**
3031     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
3032     * to represent that the phone is in a desk dock.
3033     */
3034    public static final int EXTRA_DOCK_STATE_DESK = 1;
3035
3036    /**
3037     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
3038     * to represent that the phone is in a car dock.
3039     */
3040    public static final int EXTRA_DOCK_STATE_CAR = 2;
3041
3042    /**
3043     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
3044     * to represent that the phone is in a analog (low end) dock.
3045     */
3046    public static final int EXTRA_DOCK_STATE_LE_DESK = 3;
3047
3048    /**
3049     * Used as an int value for {@link android.content.Intent#EXTRA_DOCK_STATE}
3050     * to represent that the phone is in a digital (high end) dock.
3051     */
3052    public static final int EXTRA_DOCK_STATE_HE_DESK = 4;
3053
3054    /**
3055     * Boolean that can be supplied as meta-data with a dock activity, to
3056     * indicate that the dock should take over the home key when it is active.
3057     */
3058    public static final String METADATA_DOCK_HOME = "android.dock_home";
3059
3060    /**
3061     * Used as a parcelable extra field in {@link #ACTION_APP_ERROR}, containing
3062     * the bug report.
3063     */
3064    public static final String EXTRA_BUG_REPORT = "android.intent.extra.BUG_REPORT";
3065
3066    /**
3067     * Used in the extra field in the remote intent. It's astring token passed with the
3068     * remote intent.
3069     */
3070    public static final String EXTRA_REMOTE_INTENT_TOKEN =
3071            "android.intent.extra.remote_intent_token";
3072
3073    /**
3074     * @deprecated See {@link #EXTRA_CHANGED_COMPONENT_NAME_LIST}; this field
3075     * will contain only the first name in the list.
3076     */
3077    @Deprecated public static final String EXTRA_CHANGED_COMPONENT_NAME =
3078            "android.intent.extra.changed_component_name";
3079
3080    /**
3081     * This field is part of {@link android.content.Intent#ACTION_PACKAGE_CHANGED},
3082     * and contains a string array of all of the components that have changed.  If
3083     * the state of the overall package has changed, then it will contain an entry
3084     * with the package name itself.
3085     */
3086    public static final String EXTRA_CHANGED_COMPONENT_NAME_LIST =
3087            "android.intent.extra.changed_component_name_list";
3088
3089    /**
3090     * This field is part of
3091     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_AVAILABLE},
3092     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE}
3093     * and contains a string array of all of the components that have changed.
3094     */
3095    public static final String EXTRA_CHANGED_PACKAGE_LIST =
3096            "android.intent.extra.changed_package_list";
3097
3098    /**
3099     * This field is part of
3100     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_AVAILABLE},
3101     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE}
3102     * and contains an integer array of uids of all of the components
3103     * that have changed.
3104     */
3105    public static final String EXTRA_CHANGED_UID_LIST =
3106            "android.intent.extra.changed_uid_list";
3107
3108    /**
3109     * @hide
3110     * Magic extra system code can use when binding, to give a label for
3111     * who it is that has bound to a service.  This is an integer giving
3112     * a framework string resource that can be displayed to the user.
3113     */
3114    public static final String EXTRA_CLIENT_LABEL =
3115            "android.intent.extra.client_label";
3116
3117    /**
3118     * @hide
3119     * Magic extra system code can use when binding, to give a PendingIntent object
3120     * that can be launched for the user to disable the system's use of this
3121     * service.
3122     */
3123    public static final String EXTRA_CLIENT_INTENT =
3124            "android.intent.extra.client_intent";
3125
3126    /**
3127     * Used to indicate that a {@link #ACTION_GET_CONTENT} intent should only return
3128     * data that is on the local device.  This is a boolean extra; the default
3129     * is false.  If true, an implementation of ACTION_GET_CONTENT should only allow
3130     * the user to select media that is already on the device, not requiring it
3131     * be downloaded from a remote service when opened.  Another way to look
3132     * at it is that such content should generally have a "_data" column to the
3133     * path of the content on local external storage.
3134     */
3135    public static final String EXTRA_LOCAL_ONLY =
3136        "android.intent.extra.LOCAL_ONLY";
3137
3138    /**
3139     * Used to indicate that a {@link #ACTION_GET_CONTENT} intent can allow the
3140     * user to select and return multiple items.  This is a boolean extra; the default
3141     * is false.  If true, an implementation of ACTION_GET_CONTENT is allowed to
3142     * present the user with a UI where they can pick multiple items that are all
3143     * returned to the caller.  When this happens, they should be returned as
3144     * the {@link #getClipData()} part of the result Intent.
3145     */
3146    public static final String EXTRA_ALLOW_MULTIPLE =
3147        "android.intent.extra.ALLOW_MULTIPLE";
3148
3149    /**
3150     * The userHandle carried with broadcast intents related to addition, removal and switching of users
3151     * - {@link #ACTION_USER_ADDED}, {@link #ACTION_USER_REMOVED} and {@link #ACTION_USER_SWITCHED}.
3152     * @hide
3153     */
3154    public static final String EXTRA_USER_HANDLE =
3155            "android.intent.extra.user_handle";
3156
3157    /**
3158     * Extra used in the response from a BroadcastReceiver that handles
3159     * {@link #ACTION_GET_RESTRICTION_ENTRIES}.
3160     */
3161    public static final String EXTRA_RESTRICTIONS = "android.intent.extra.restrictions";
3162
3163    // ---------------------------------------------------------------------
3164    // ---------------------------------------------------------------------
3165    // Intent flags (see mFlags variable).
3166
3167    /**
3168     * If set, the recipient of this Intent will be granted permission to
3169     * perform read operations on the Uri in the Intent's data and any URIs
3170     * specified in its ClipData.  When applying to an Intent's ClipData,
3171     * all URIs as well as recursive traversals through data or other ClipData
3172     * in Intent items will be granted; only the grant flags of the top-level
3173     * Intent are used.
3174     */
3175    public static final int FLAG_GRANT_READ_URI_PERMISSION = 0x00000001;
3176    /**
3177     * If set, the recipient of this Intent will be granted permission to
3178     * perform write operations on the Uri in the Intent's data and any URIs
3179     * specified in its ClipData.  When applying to an Intent's ClipData,
3180     * all URIs as well as recursive traversals through data or other ClipData
3181     * in Intent items will be granted; only the grant flags of the top-level
3182     * Intent are used.
3183     */
3184    public static final int FLAG_GRANT_WRITE_URI_PERMISSION = 0x00000002;
3185    /**
3186     * Can be set by the caller to indicate that this Intent is coming from
3187     * a background operation, not from direct user interaction.
3188     */
3189    public static final int FLAG_FROM_BACKGROUND = 0x00000004;
3190    /**
3191     * A flag you can enable for debugging: when set, log messages will be
3192     * printed during the resolution of this intent to show you what has
3193     * been found to create the final resolved list.
3194     */
3195    public static final int FLAG_DEBUG_LOG_RESOLUTION = 0x00000008;
3196    /**
3197     * If set, this intent will not match any components in packages that
3198     * are currently stopped.  If this is not set, then the default behavior
3199     * is to include such applications in the result.
3200     */
3201    public static final int FLAG_EXCLUDE_STOPPED_PACKAGES = 0x00000010;
3202    /**
3203     * If set, this intent will always match any components in packages that
3204     * are currently stopped.  This is the default behavior when
3205     * {@link #FLAG_EXCLUDE_STOPPED_PACKAGES} is not set.  If both of these
3206     * flags are set, this one wins (it allows overriding of exclude for
3207     * places where the framework may automatically set the exclude flag).
3208     */
3209    public static final int FLAG_INCLUDE_STOPPED_PACKAGES = 0x00000020;
3210
3211    /**
3212     * If set, the new activity is not kept in the history stack.  As soon as
3213     * the user navigates away from it, the activity is finished.  This may also
3214     * be set with the {@link android.R.styleable#AndroidManifestActivity_noHistory
3215     * noHistory} attribute.
3216     */
3217    public static final int FLAG_ACTIVITY_NO_HISTORY = 0x40000000;
3218    /**
3219     * If set, the activity will not be launched if it is already running
3220     * at the top of the history stack.
3221     */
3222    public static final int FLAG_ACTIVITY_SINGLE_TOP = 0x20000000;
3223    /**
3224     * If set, this activity will become the start of a new task on this
3225     * history stack.  A task (from the activity that started it to the
3226     * next task activity) defines an atomic group of activities that the
3227     * user can move to.  Tasks can be moved to the foreground and background;
3228     * all of the activities inside of a particular task always remain in
3229     * the same order.  See
3230     * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back
3231     * Stack</a> for more information about tasks.
3232     *
3233     * <p>This flag is generally used by activities that want
3234     * to present a "launcher" style behavior: they give the user a list of
3235     * separate things that can be done, which otherwise run completely
3236     * independently of the activity launching them.
3237     *
3238     * <p>When using this flag, if a task is already running for the activity
3239     * you are now starting, then a new activity will not be started; instead,
3240     * the current task will simply be brought to the front of the screen with
3241     * the state it was last in.  See {@link #FLAG_ACTIVITY_MULTIPLE_TASK} for a flag
3242     * to disable this behavior.
3243     *
3244     * <p>This flag can not be used when the caller is requesting a result from
3245     * the activity being launched.
3246     */
3247    public static final int FLAG_ACTIVITY_NEW_TASK = 0x10000000;
3248    /**
3249     * <strong>Do not use this flag unless you are implementing your own
3250     * top-level application launcher.</strong>  Used in conjunction with
3251     * {@link #FLAG_ACTIVITY_NEW_TASK} to disable the
3252     * behavior of bringing an existing task to the foreground.  When set,
3253     * a new task is <em>always</em> started to host the Activity for the
3254     * Intent, regardless of whether there is already an existing task running
3255     * the same thing.
3256     *
3257     * <p><strong>Because the default system does not include graphical task management,
3258     * you should not use this flag unless you provide some way for a user to
3259     * return back to the tasks you have launched.</strong>
3260     *
3261     * <p>This flag is ignored if
3262     * {@link #FLAG_ACTIVITY_NEW_TASK} is not set.
3263     *
3264     * <p>See
3265     * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back
3266     * Stack</a> for more information about tasks.
3267     */
3268    public static final int FLAG_ACTIVITY_MULTIPLE_TASK = 0x08000000;
3269    /**
3270     * If set, and the activity being launched is already running in the
3271     * current task, then instead of launching a new instance of that activity,
3272     * all of the other activities on top of it will be closed and this Intent
3273     * will be delivered to the (now on top) old activity as a new Intent.
3274     *
3275     * <p>For example, consider a task consisting of the activities: A, B, C, D.
3276     * If D calls startActivity() with an Intent that resolves to the component
3277     * of activity B, then C and D will be finished and B receive the given
3278     * Intent, resulting in the stack now being: A, B.
3279     *
3280     * <p>The currently running instance of activity B in the above example will
3281     * either receive the new intent you are starting here in its
3282     * onNewIntent() method, or be itself finished and restarted with the
3283     * new intent.  If it has declared its launch mode to be "multiple" (the
3284     * default) and you have not set {@link #FLAG_ACTIVITY_SINGLE_TOP} in
3285     * the same intent, then it will be finished and re-created; for all other
3286     * launch modes or if {@link #FLAG_ACTIVITY_SINGLE_TOP} is set then this
3287     * Intent will be delivered to the current instance's onNewIntent().
3288     *
3289     * <p>This launch mode can also be used to good effect in conjunction with
3290     * {@link #FLAG_ACTIVITY_NEW_TASK}: if used to start the root activity
3291     * of a task, it will bring any currently running instance of that task
3292     * to the foreground, and then clear it to its root state.  This is
3293     * especially useful, for example, when launching an activity from the
3294     * notification manager.
3295     *
3296     * <p>See
3297     * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back
3298     * Stack</a> for more information about tasks.
3299     */
3300    public static final int FLAG_ACTIVITY_CLEAR_TOP = 0x04000000;
3301    /**
3302     * If set and this intent is being used to launch a new activity from an
3303     * existing one, then the reply target of the existing activity will be
3304     * transfered to the new activity.  This way the new activity can call
3305     * {@link android.app.Activity#setResult} and have that result sent back to
3306     * the reply target of the original activity.
3307     */
3308    public static final int FLAG_ACTIVITY_FORWARD_RESULT = 0x02000000;
3309    /**
3310     * If set and this intent is being used to launch a new activity from an
3311     * existing one, the current activity will not be counted as the top
3312     * activity for deciding whether the new intent should be delivered to
3313     * the top instead of starting a new one.  The previous activity will
3314     * be used as the top, with the assumption being that the current activity
3315     * will finish itself immediately.
3316     */
3317    public static final int FLAG_ACTIVITY_PREVIOUS_IS_TOP = 0x01000000;
3318    /**
3319     * If set, the new activity is not kept in the list of recently launched
3320     * activities.
3321     */
3322    public static final int FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS = 0x00800000;
3323    /**
3324     * This flag is not normally set by application code, but set for you by
3325     * the system as described in the
3326     * {@link android.R.styleable#AndroidManifestActivity_launchMode
3327     * launchMode} documentation for the singleTask mode.
3328     */
3329    public static final int FLAG_ACTIVITY_BROUGHT_TO_FRONT = 0x00400000;
3330    /**
3331     * If set, and this activity is either being started in a new task or
3332     * bringing to the top an existing task, then it will be launched as
3333     * the front door of the task.  This will result in the application of
3334     * any affinities needed to have that task in the proper state (either
3335     * moving activities to or from it), or simply resetting that task to
3336     * its initial state if needed.
3337     */
3338    public static final int FLAG_ACTIVITY_RESET_TASK_IF_NEEDED = 0x00200000;
3339    /**
3340     * This flag is not normally set by application code, but set for you by
3341     * the system if this activity is being launched from history
3342     * (longpress home key).
3343     */
3344    public static final int FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY = 0x00100000;
3345    /**
3346     * If set, this marks a point in the task's activity stack that should
3347     * be cleared when the task is reset.  That is, the next time the task
3348     * is brought to the foreground with
3349     * {@link #FLAG_ACTIVITY_RESET_TASK_IF_NEEDED} (typically as a result of
3350     * the user re-launching it from home), this activity and all on top of
3351     * it will be finished so that the user does not return to them, but
3352     * instead returns to whatever activity preceeded it.
3353     *
3354     * <p>This is useful for cases where you have a logical break in your
3355     * application.  For example, an e-mail application may have a command
3356     * to view an attachment, which launches an image view activity to
3357     * display it.  This activity should be part of the e-mail application's
3358     * task, since it is a part of the task the user is involved in.  However,
3359     * if the user leaves that task, and later selects the e-mail app from
3360     * home, we may like them to return to the conversation they were
3361     * viewing, not the picture attachment, since that is confusing.  By
3362     * setting this flag when launching the image viewer, that viewer and
3363     * any activities it starts will be removed the next time the user returns
3364     * to mail.
3365     */
3366    public static final int FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET = 0x00080000;
3367    /**
3368     * If set, this flag will prevent the normal {@link android.app.Activity#onUserLeaveHint}
3369     * callback from occurring on the current frontmost activity before it is
3370     * paused as the newly-started activity is brought to the front.
3371     *
3372     * <p>Typically, an activity can rely on that callback to indicate that an
3373     * explicit user action has caused their activity to be moved out of the
3374     * foreground. The callback marks an appropriate point in the activity's
3375     * lifecycle for it to dismiss any notifications that it intends to display
3376     * "until the user has seen them," such as a blinking LED.
3377     *
3378     * <p>If an activity is ever started via any non-user-driven events such as
3379     * phone-call receipt or an alarm handler, this flag should be passed to {@link
3380     * Context#startActivity Context.startActivity}, ensuring that the pausing
3381     * activity does not think the user has acknowledged its notification.
3382     */
3383    public static final int FLAG_ACTIVITY_NO_USER_ACTION = 0x00040000;
3384    /**
3385     * If set in an Intent passed to {@link Context#startActivity Context.startActivity()},
3386     * this flag will cause the launched activity to be brought to the front of its
3387     * task's history stack if it is already running.
3388     *
3389     * <p>For example, consider a task consisting of four activities: A, B, C, D.
3390     * If D calls startActivity() with an Intent that resolves to the component
3391     * of activity B, then B will be brought to the front of the history stack,
3392     * with this resulting order:  A, C, D, B.
3393     *
3394     * This flag will be ignored if {@link #FLAG_ACTIVITY_CLEAR_TOP} is also
3395     * specified.
3396     */
3397    public static final int FLAG_ACTIVITY_REORDER_TO_FRONT = 0X00020000;
3398    /**
3399     * If set in an Intent passed to {@link Context#startActivity Context.startActivity()},
3400     * this flag will prevent the system from applying an activity transition
3401     * animation to go to the next activity state.  This doesn't mean an
3402     * animation will never run -- if another activity change happens that doesn't
3403     * specify this flag before the activity started here is displayed, then
3404     * that transition will be used.  This flag can be put to good use
3405     * when you are going to do a series of activity operations but the
3406     * animation seen by the user shouldn't be driven by the first activity
3407     * change but rather a later one.
3408     */
3409    public static final int FLAG_ACTIVITY_NO_ANIMATION = 0X00010000;
3410    /**
3411     * If set in an Intent passed to {@link Context#startActivity Context.startActivity()},
3412     * this flag will cause any existing task that would be associated with the
3413     * activity to be cleared before the activity is started.  That is, the activity
3414     * becomes the new root of an otherwise empty task, and any old activities
3415     * are finished.  This can only be used in conjunction with {@link #FLAG_ACTIVITY_NEW_TASK}.
3416     */
3417    public static final int FLAG_ACTIVITY_CLEAR_TASK = 0X00008000;
3418    /**
3419     * If set in an Intent passed to {@link Context#startActivity Context.startActivity()},
3420     * this flag will cause a newly launching task to be placed on top of the current
3421     * home activity task (if there is one).  That is, pressing back from the task
3422     * will always return the user to home even if that was not the last activity they
3423     * saw.   This can only be used in conjunction with {@link #FLAG_ACTIVITY_NEW_TASK}.
3424     */
3425    public static final int FLAG_ACTIVITY_TASK_ON_HOME = 0X00004000;
3426    /**
3427     * If set, when sending a broadcast only registered receivers will be
3428     * called -- no BroadcastReceiver components will be launched.
3429     */
3430    public static final int FLAG_RECEIVER_REGISTERED_ONLY = 0x40000000;
3431    /**
3432     * If set, when sending a broadcast the new broadcast will replace
3433     * any existing pending broadcast that matches it.  Matching is defined
3434     * by {@link Intent#filterEquals(Intent) Intent.filterEquals} returning
3435     * true for the intents of the two broadcasts.  When a match is found,
3436     * the new broadcast (and receivers associated with it) will replace the
3437     * existing one in the pending broadcast list, remaining at the same
3438     * position in the list.
3439     *
3440     * <p>This flag is most typically used with sticky broadcasts, which
3441     * only care about delivering the most recent values of the broadcast
3442     * to their receivers.
3443     */
3444    public static final int FLAG_RECEIVER_REPLACE_PENDING = 0x20000000;
3445    /**
3446     * If set, when sending a broadcast the recipient is allowed to run at
3447     * foreground priority, with a shorter timeout interval.  During normal
3448     * broadcasts the receivers are not automatically hoisted out of the
3449     * background priority class.
3450     */
3451    public static final int FLAG_RECEIVER_FOREGROUND = 0x10000000;
3452    /**
3453     * If set, when sending a broadcast <i>before boot has completed</i> only
3454     * registered receivers will be called -- no BroadcastReceiver components
3455     * will be launched.  Sticky intent state will be recorded properly even
3456     * if no receivers wind up being called.  If {@link #FLAG_RECEIVER_REGISTERED_ONLY}
3457     * is specified in the broadcast intent, this flag is unnecessary.
3458     *
3459     * <p>This flag is only for use by system sevices as a convenience to
3460     * avoid having to implement a more complex mechanism around detection
3461     * of boot completion.
3462     *
3463     * @hide
3464     */
3465    public static final int FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT = 0x08000000;
3466    /**
3467     * Set when this broadcast is for a boot upgrade, a special mode that
3468     * allows the broadcast to be sent before the system is ready and launches
3469     * the app process with no providers running in it.
3470     * @hide
3471     */
3472    public static final int FLAG_RECEIVER_BOOT_UPGRADE = 0x04000000;
3473
3474    /**
3475     * @hide Flags that can't be changed with PendingIntent.
3476     */
3477    public static final int IMMUTABLE_FLAGS =
3478            FLAG_GRANT_READ_URI_PERMISSION
3479            | FLAG_GRANT_WRITE_URI_PERMISSION;
3480
3481    // ---------------------------------------------------------------------
3482    // ---------------------------------------------------------------------
3483    // toUri() and parseUri() options.
3484
3485    /**
3486     * Flag for use with {@link #toUri} and {@link #parseUri}: the URI string
3487     * always has the "intent:" scheme.  This syntax can be used when you want
3488     * to later disambiguate between URIs that are intended to describe an
3489     * Intent vs. all others that should be treated as raw URIs.  When used
3490     * with {@link #parseUri}, any other scheme will result in a generic
3491     * VIEW action for that raw URI.
3492     */
3493    public static final int URI_INTENT_SCHEME = 1<<0;
3494
3495    // ---------------------------------------------------------------------
3496
3497    private String mAction;
3498    private Uri mData;
3499    private String mType;
3500    private String mPackage;
3501    private ComponentName mComponent;
3502    private int mFlags;
3503    private HashSet<String> mCategories;
3504    private Bundle mExtras;
3505    private Rect mSourceBounds;
3506    private Intent mSelector;
3507    private ClipData mClipData;
3508
3509    // ---------------------------------------------------------------------
3510
3511    /**
3512     * Create an empty intent.
3513     */
3514    public Intent() {
3515    }
3516
3517    /**
3518     * Copy constructor.
3519     */
3520    public Intent(Intent o) {
3521        this.mAction = o.mAction;
3522        this.mData = o.mData;
3523        this.mType = o.mType;
3524        this.mPackage = o.mPackage;
3525        this.mComponent = o.mComponent;
3526        this.mFlags = o.mFlags;
3527        if (o.mCategories != null) {
3528            this.mCategories = new HashSet<String>(o.mCategories);
3529        }
3530        if (o.mExtras != null) {
3531            this.mExtras = new Bundle(o.mExtras);
3532        }
3533        if (o.mSourceBounds != null) {
3534            this.mSourceBounds = new Rect(o.mSourceBounds);
3535        }
3536        if (o.mSelector != null) {
3537            this.mSelector = new Intent(o.mSelector);
3538        }
3539        if (o.mClipData != null) {
3540            this.mClipData = new ClipData(o.mClipData);
3541        }
3542    }
3543
3544    @Override
3545    public Object clone() {
3546        return new Intent(this);
3547    }
3548
3549    private Intent(Intent o, boolean all) {
3550        this.mAction = o.mAction;
3551        this.mData = o.mData;
3552        this.mType = o.mType;
3553        this.mPackage = o.mPackage;
3554        this.mComponent = o.mComponent;
3555        if (o.mCategories != null) {
3556            this.mCategories = new HashSet<String>(o.mCategories);
3557        }
3558    }
3559
3560    /**
3561     * Make a clone of only the parts of the Intent that are relevant for
3562     * filter matching: the action, data, type, component, and categories.
3563     */
3564    public Intent cloneFilter() {
3565        return new Intent(this, false);
3566    }
3567
3568    /**
3569     * Create an intent with a given action.  All other fields (data, type,
3570     * class) are null.  Note that the action <em>must</em> be in a
3571     * namespace because Intents are used globally in the system -- for
3572     * example the system VIEW action is android.intent.action.VIEW; an
3573     * application's custom action would be something like
3574     * com.google.app.myapp.CUSTOM_ACTION.
3575     *
3576     * @param action The Intent action, such as ACTION_VIEW.
3577     */
3578    public Intent(String action) {
3579        setAction(action);
3580    }
3581
3582    /**
3583     * Create an intent with a given action and for a given data url.  Note
3584     * that the action <em>must</em> be in a namespace because Intents are
3585     * used globally in the system -- for example the system VIEW action is
3586     * android.intent.action.VIEW; an application's custom action would be
3587     * something like com.google.app.myapp.CUSTOM_ACTION.
3588     *
3589     * <p><em>Note: scheme and host name matching in the Android framework is
3590     * case-sensitive, unlike the formal RFC.  As a result,
3591     * you should always ensure that you write your Uri with these elements
3592     * using lower case letters, and normalize any Uris you receive from
3593     * outside of Android to ensure the scheme and host is lower case.</em></p>
3594     *
3595     * @param action The Intent action, such as ACTION_VIEW.
3596     * @param uri The Intent data URI.
3597     */
3598    public Intent(String action, Uri uri) {
3599        setAction(action);
3600        mData = uri;
3601    }
3602
3603    /**
3604     * Create an intent for a specific component.  All other fields (action, data,
3605     * type, class) are null, though they can be modified later with explicit
3606     * calls.  This provides a convenient way to create an intent that is
3607     * intended to execute a hard-coded class name, rather than relying on the
3608     * system to find an appropriate class for you; see {@link #setComponent}
3609     * for more information on the repercussions of this.
3610     *
3611     * @param packageContext A Context of the application package implementing
3612     * this class.
3613     * @param cls The component class that is to be used for the intent.
3614     *
3615     * @see #setClass
3616     * @see #setComponent
3617     * @see #Intent(String, android.net.Uri , Context, Class)
3618     */
3619    public Intent(Context packageContext, Class<?> cls) {
3620        mComponent = new ComponentName(packageContext, cls);
3621    }
3622
3623    /**
3624     * Create an intent for a specific component with a specified action and data.
3625     * This is equivalent using {@link #Intent(String, android.net.Uri)} to
3626     * construct the Intent and then calling {@link #setClass} to set its
3627     * class.
3628     *
3629     * <p><em>Note: scheme and host name matching in the Android framework is
3630     * case-sensitive, unlike the formal RFC.  As a result,
3631     * you should always ensure that you write your Uri with these elements
3632     * using lower case letters, and normalize any Uris you receive from
3633     * outside of Android to ensure the scheme and host is lower case.</em></p>
3634     *
3635     * @param action The Intent action, such as ACTION_VIEW.
3636     * @param uri The Intent data URI.
3637     * @param packageContext A Context of the application package implementing
3638     * this class.
3639     * @param cls The component class that is to be used for the intent.
3640     *
3641     * @see #Intent(String, android.net.Uri)
3642     * @see #Intent(Context, Class)
3643     * @see #setClass
3644     * @see #setComponent
3645     */
3646    public Intent(String action, Uri uri,
3647            Context packageContext, Class<?> cls) {
3648        setAction(action);
3649        mData = uri;
3650        mComponent = new ComponentName(packageContext, cls);
3651    }
3652
3653    /**
3654     * Create an intent to launch the main (root) activity of a task.  This
3655     * is the Intent that is started when the application's is launched from
3656     * Home.  For anything else that wants to launch an application in the
3657     * same way, it is important that they use an Intent structured the same
3658     * way, and can use this function to ensure this is the case.
3659     *
3660     * <p>The returned Intent has the given Activity component as its explicit
3661     * component, {@link #ACTION_MAIN} as its action, and includes the
3662     * category {@link #CATEGORY_LAUNCHER}.  This does <em>not</em> have
3663     * {@link #FLAG_ACTIVITY_NEW_TASK} set, though typically you will want
3664     * to do that through {@link #addFlags(int)} on the returned Intent.
3665     *
3666     * @param mainActivity The main activity component that this Intent will
3667     * launch.
3668     * @return Returns a newly created Intent that can be used to launch the
3669     * activity as a main application entry.
3670     *
3671     * @see #setClass
3672     * @see #setComponent
3673     */
3674    public static Intent makeMainActivity(ComponentName mainActivity) {
3675        Intent intent = new Intent(ACTION_MAIN);
3676        intent.setComponent(mainActivity);
3677        intent.addCategory(CATEGORY_LAUNCHER);
3678        return intent;
3679    }
3680
3681    /**
3682     * Make an Intent for the main activity of an application, without
3683     * specifying a specific activity to run but giving a selector to find
3684     * the activity.  This results in a final Intent that is structured
3685     * the same as when the application is launched from
3686     * Home.  For anything else that wants to launch an application in the
3687     * same way, it is important that they use an Intent structured the same
3688     * way, and can use this function to ensure this is the case.
3689     *
3690     * <p>The returned Intent has {@link #ACTION_MAIN} as its action, and includes the
3691     * category {@link #CATEGORY_LAUNCHER}.  This does <em>not</em> have
3692     * {@link #FLAG_ACTIVITY_NEW_TASK} set, though typically you will want
3693     * to do that through {@link #addFlags(int)} on the returned Intent.
3694     *
3695     * @param selectorAction The action name of the Intent's selector.
3696     * @param selectorCategory The name of a category to add to the Intent's
3697     * selector.
3698     * @return Returns a newly created Intent that can be used to launch the
3699     * activity as a main application entry.
3700     *
3701     * @see #setSelector(Intent)
3702     */
3703    public static Intent makeMainSelectorActivity(String selectorAction,
3704            String selectorCategory) {
3705        Intent intent = new Intent(ACTION_MAIN);
3706        intent.addCategory(CATEGORY_LAUNCHER);
3707        Intent selector = new Intent();
3708        selector.setAction(selectorAction);
3709        selector.addCategory(selectorCategory);
3710        intent.setSelector(selector);
3711        return intent;
3712    }
3713
3714    /**
3715     * Make an Intent that can be used to re-launch an application's task
3716     * in its base state.  This is like {@link #makeMainActivity(ComponentName)},
3717     * but also sets the flags {@link #FLAG_ACTIVITY_NEW_TASK} and
3718     * {@link #FLAG_ACTIVITY_CLEAR_TASK}.
3719     *
3720     * @param mainActivity The activity component that is the root of the
3721     * task; this is the activity that has been published in the application's
3722     * manifest as the main launcher icon.
3723     *
3724     * @return Returns a newly created Intent that can be used to relaunch the
3725     * activity's task in its root state.
3726     */
3727    public static Intent makeRestartActivityTask(ComponentName mainActivity) {
3728        Intent intent = makeMainActivity(mainActivity);
3729        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
3730                | Intent.FLAG_ACTIVITY_CLEAR_TASK);
3731        return intent;
3732    }
3733
3734    /**
3735     * Call {@link #parseUri} with 0 flags.
3736     * @deprecated Use {@link #parseUri} instead.
3737     */
3738    @Deprecated
3739    public static Intent getIntent(String uri) throws URISyntaxException {
3740        return parseUri(uri, 0);
3741    }
3742
3743    /**
3744     * Create an intent from a URI.  This URI may encode the action,
3745     * category, and other intent fields, if it was returned by
3746     * {@link #toUri}.  If the Intent was not generate by toUri(), its data
3747     * will be the entire URI and its action will be ACTION_VIEW.
3748     *
3749     * <p>The URI given here must not be relative -- that is, it must include
3750     * the scheme and full path.
3751     *
3752     * @param uri The URI to turn into an Intent.
3753     * @param flags Additional processing flags.  Either 0 or
3754     * {@link #URI_INTENT_SCHEME}.
3755     *
3756     * @return Intent The newly created Intent object.
3757     *
3758     * @throws URISyntaxException Throws URISyntaxError if the basic URI syntax
3759     * it bad (as parsed by the Uri class) or the Intent data within the
3760     * URI is invalid.
3761     *
3762     * @see #toUri
3763     */
3764    public static Intent parseUri(String uri, int flags) throws URISyntaxException {
3765        int i = 0;
3766        try {
3767            // Validate intent scheme for if requested.
3768            if ((flags&URI_INTENT_SCHEME) != 0) {
3769                if (!uri.startsWith("intent:")) {
3770                    Intent intent = new Intent(ACTION_VIEW);
3771                    try {
3772                        intent.setData(Uri.parse(uri));
3773                    } catch (IllegalArgumentException e) {
3774                        throw new URISyntaxException(uri, e.getMessage());
3775                    }
3776                    return intent;
3777                }
3778            }
3779
3780            // simple case
3781            i = uri.lastIndexOf("#");
3782            if (i == -1) return new Intent(ACTION_VIEW, Uri.parse(uri));
3783
3784            // old format Intent URI
3785            if (!uri.startsWith("#Intent;", i)) return getIntentOld(uri);
3786
3787            // new format
3788            Intent intent = new Intent(ACTION_VIEW);
3789            Intent baseIntent = intent;
3790
3791            // fetch data part, if present
3792            String data = i >= 0 ? uri.substring(0, i) : null;
3793            String scheme = null;
3794            i += "#Intent;".length();
3795
3796            // loop over contents of Intent, all name=value;
3797            while (!uri.startsWith("end", i)) {
3798                int eq = uri.indexOf('=', i);
3799                if (eq < 0) eq = i-1;
3800                int semi = uri.indexOf(';', i);
3801                String value = eq < semi ? Uri.decode(uri.substring(eq + 1, semi)) : "";
3802
3803                // action
3804                if (uri.startsWith("action=", i)) {
3805                    intent.setAction(value);
3806                }
3807
3808                // categories
3809                else if (uri.startsWith("category=", i)) {
3810                    intent.addCategory(value);
3811                }
3812
3813                // type
3814                else if (uri.startsWith("type=", i)) {
3815                    intent.mType = value;
3816                }
3817
3818                // launch flags
3819                else if (uri.startsWith("launchFlags=", i)) {
3820                    intent.mFlags = Integer.decode(value).intValue();
3821                }
3822
3823                // package
3824                else if (uri.startsWith("package=", i)) {
3825                    intent.mPackage = value;
3826                }
3827
3828                // component
3829                else if (uri.startsWith("component=", i)) {
3830                    intent.mComponent = ComponentName.unflattenFromString(value);
3831                }
3832
3833                // scheme
3834                else if (uri.startsWith("scheme=", i)) {
3835                    scheme = value;
3836                }
3837
3838                // source bounds
3839                else if (uri.startsWith("sourceBounds=", i)) {
3840                    intent.mSourceBounds = Rect.unflattenFromString(value);
3841                }
3842
3843                // selector
3844                else if (semi == (i+3) && uri.startsWith("SEL", i)) {
3845                    intent = new Intent();
3846                }
3847
3848                // extra
3849                else {
3850                    String key = Uri.decode(uri.substring(i + 2, eq));
3851                    // create Bundle if it doesn't already exist
3852                    if (intent.mExtras == null) intent.mExtras = new Bundle();
3853                    Bundle b = intent.mExtras;
3854                    // add EXTRA
3855                    if      (uri.startsWith("S.", i)) b.putString(key, value);
3856                    else if (uri.startsWith("B.", i)) b.putBoolean(key, Boolean.parseBoolean(value));
3857                    else if (uri.startsWith("b.", i)) b.putByte(key, Byte.parseByte(value));
3858                    else if (uri.startsWith("c.", i)) b.putChar(key, value.charAt(0));
3859                    else if (uri.startsWith("d.", i)) b.putDouble(key, Double.parseDouble(value));
3860                    else if (uri.startsWith("f.", i)) b.putFloat(key, Float.parseFloat(value));
3861                    else if (uri.startsWith("i.", i)) b.putInt(key, Integer.parseInt(value));
3862                    else if (uri.startsWith("l.", i)) b.putLong(key, Long.parseLong(value));
3863                    else if (uri.startsWith("s.", i)) b.putShort(key, Short.parseShort(value));
3864                    else throw new URISyntaxException(uri, "unknown EXTRA type", i);
3865                }
3866
3867                // move to the next item
3868                i = semi + 1;
3869            }
3870
3871            if (intent != baseIntent) {
3872                // The Intent had a selector; fix it up.
3873                baseIntent.setSelector(intent);
3874                intent = baseIntent;
3875            }
3876
3877            if (data != null) {
3878                if (data.startsWith("intent:")) {
3879                    data = data.substring(7);
3880                    if (scheme != null) {
3881                        data = scheme + ':' + data;
3882                    }
3883                }
3884
3885                if (data.length() > 0) {
3886                    try {
3887                        intent.mData = Uri.parse(data);
3888                    } catch (IllegalArgumentException e) {
3889                        throw new URISyntaxException(uri, e.getMessage());
3890                    }
3891                }
3892            }
3893
3894            return intent;
3895
3896        } catch (IndexOutOfBoundsException e) {
3897            throw new URISyntaxException(uri, "illegal Intent URI format", i);
3898        }
3899    }
3900
3901    public static Intent getIntentOld(String uri) throws URISyntaxException {
3902        Intent intent;
3903
3904        int i = uri.lastIndexOf('#');
3905        if (i >= 0) {
3906            String action = null;
3907            final int intentFragmentStart = i;
3908            boolean isIntentFragment = false;
3909
3910            i++;
3911
3912            if (uri.regionMatches(i, "action(", 0, 7)) {
3913                isIntentFragment = true;
3914                i += 7;
3915                int j = uri.indexOf(')', i);
3916                action = uri.substring(i, j);
3917                i = j + 1;
3918            }
3919
3920            intent = new Intent(action);
3921
3922            if (uri.regionMatches(i, "categories(", 0, 11)) {
3923                isIntentFragment = true;
3924                i += 11;
3925                int j = uri.indexOf(')', i);
3926                while (i < j) {
3927                    int sep = uri.indexOf('!', i);
3928                    if (sep < 0) sep = j;
3929                    if (i < sep) {
3930                        intent.addCategory(uri.substring(i, sep));
3931                    }
3932                    i = sep + 1;
3933                }
3934                i = j + 1;
3935            }
3936
3937            if (uri.regionMatches(i, "type(", 0, 5)) {
3938                isIntentFragment = true;
3939                i += 5;
3940                int j = uri.indexOf(')', i);
3941                intent.mType = uri.substring(i, j);
3942                i = j + 1;
3943            }
3944
3945            if (uri.regionMatches(i, "launchFlags(", 0, 12)) {
3946                isIntentFragment = true;
3947                i += 12;
3948                int j = uri.indexOf(')', i);
3949                intent.mFlags = Integer.decode(uri.substring(i, j)).intValue();
3950                i = j + 1;
3951            }
3952
3953            if (uri.regionMatches(i, "component(", 0, 10)) {
3954                isIntentFragment = true;
3955                i += 10;
3956                int j = uri.indexOf(')', i);
3957                int sep = uri.indexOf('!', i);
3958                if (sep >= 0 && sep < j) {
3959                    String pkg = uri.substring(i, sep);
3960                    String cls = uri.substring(sep + 1, j);
3961                    intent.mComponent = new ComponentName(pkg, cls);
3962                }
3963                i = j + 1;
3964            }
3965
3966            if (uri.regionMatches(i, "extras(", 0, 7)) {
3967                isIntentFragment = true;
3968                i += 7;
3969
3970                final int closeParen = uri.indexOf(')', i);
3971                if (closeParen == -1) throw new URISyntaxException(uri,
3972                        "EXTRA missing trailing ')'", i);
3973
3974                while (i < closeParen) {
3975                    // fetch the key value
3976                    int j = uri.indexOf('=', i);
3977                    if (j <= i + 1 || i >= closeParen) {
3978                        throw new URISyntaxException(uri, "EXTRA missing '='", i);
3979                    }
3980                    char type = uri.charAt(i);
3981                    i++;
3982                    String key = uri.substring(i, j);
3983                    i = j + 1;
3984
3985                    // get type-value
3986                    j = uri.indexOf('!', i);
3987                    if (j == -1 || j >= closeParen) j = closeParen;
3988                    if (i >= j) throw new URISyntaxException(uri, "EXTRA missing '!'", i);
3989                    String value = uri.substring(i, j);
3990                    i = j;
3991
3992                    // create Bundle if it doesn't already exist
3993                    if (intent.mExtras == null) intent.mExtras = new Bundle();
3994
3995                    // add item to bundle
3996                    try {
3997                        switch (type) {
3998                            case 'S':
3999                                intent.mExtras.putString(key, Uri.decode(value));
4000                                break;
4001                            case 'B':
4002                                intent.mExtras.putBoolean(key, Boolean.parseBoolean(value));
4003                                break;
4004                            case 'b':
4005                                intent.mExtras.putByte(key, Byte.parseByte(value));
4006                                break;
4007                            case 'c':
4008                                intent.mExtras.putChar(key, Uri.decode(value).charAt(0));
4009                                break;
4010                            case 'd':
4011                                intent.mExtras.putDouble(key, Double.parseDouble(value));
4012                                break;
4013                            case 'f':
4014                                intent.mExtras.putFloat(key, Float.parseFloat(value));
4015                                break;
4016                            case 'i':
4017                                intent.mExtras.putInt(key, Integer.parseInt(value));
4018                                break;
4019                            case 'l':
4020                                intent.mExtras.putLong(key, Long.parseLong(value));
4021                                break;
4022                            case 's':
4023                                intent.mExtras.putShort(key, Short.parseShort(value));
4024                                break;
4025                            default:
4026                                throw new URISyntaxException(uri, "EXTRA has unknown type", i);
4027                        }
4028                    } catch (NumberFormatException e) {
4029                        throw new URISyntaxException(uri, "EXTRA value can't be parsed", i);
4030                    }
4031
4032                    char ch = uri.charAt(i);
4033                    if (ch == ')') break;
4034                    if (ch != '!') throw new URISyntaxException(uri, "EXTRA missing '!'", i);
4035                    i++;
4036                }
4037            }
4038
4039            if (isIntentFragment) {
4040                intent.mData = Uri.parse(uri.substring(0, intentFragmentStart));
4041            } else {
4042                intent.mData = Uri.parse(uri);
4043            }
4044
4045            if (intent.mAction == null) {
4046                // By default, if no action is specified, then use VIEW.
4047                intent.mAction = ACTION_VIEW;
4048            }
4049
4050        } else {
4051            intent = new Intent(ACTION_VIEW, Uri.parse(uri));
4052        }
4053
4054        return intent;
4055    }
4056
4057    /**
4058     * Retrieve the general action to be performed, such as
4059     * {@link #ACTION_VIEW}.  The action describes the general way the rest of
4060     * the information in the intent should be interpreted -- most importantly,
4061     * what to do with the data returned by {@link #getData}.
4062     *
4063     * @return The action of this intent or null if none is specified.
4064     *
4065     * @see #setAction
4066     */
4067    public String getAction() {
4068        return mAction;
4069    }
4070
4071    /**
4072     * Retrieve data this intent is operating on.  This URI specifies the name
4073     * of the data; often it uses the content: scheme, specifying data in a
4074     * content provider.  Other schemes may be handled by specific activities,
4075     * such as http: by the web browser.
4076     *
4077     * @return The URI of the data this intent is targeting or null.
4078     *
4079     * @see #getScheme
4080     * @see #setData
4081     */
4082    public Uri getData() {
4083        return mData;
4084    }
4085
4086    /**
4087     * The same as {@link #getData()}, but returns the URI as an encoded
4088     * String.
4089     */
4090    public String getDataString() {
4091        return mData != null ? mData.toString() : null;
4092    }
4093
4094    /**
4095     * Return the scheme portion of the intent's data.  If the data is null or
4096     * does not include a scheme, null is returned.  Otherwise, the scheme
4097     * prefix without the final ':' is returned, i.e. "http".
4098     *
4099     * <p>This is the same as calling getData().getScheme() (and checking for
4100     * null data).
4101     *
4102     * @return The scheme of this intent.
4103     *
4104     * @see #getData
4105     */
4106    public String getScheme() {
4107        return mData != null ? mData.getScheme() : null;
4108    }
4109
4110    /**
4111     * Retrieve any explicit MIME type included in the intent.  This is usually
4112     * null, as the type is determined by the intent data.
4113     *
4114     * @return If a type was manually set, it is returned; else null is
4115     *         returned.
4116     *
4117     * @see #resolveType(ContentResolver)
4118     * @see #setType
4119     */
4120    public String getType() {
4121        return mType;
4122    }
4123
4124    /**
4125     * Return the MIME data type of this intent.  If the type field is
4126     * explicitly set, that is simply returned.  Otherwise, if the data is set,
4127     * the type of that data is returned.  If neither fields are set, a null is
4128     * returned.
4129     *
4130     * @return The MIME type of this intent.
4131     *
4132     * @see #getType
4133     * @see #resolveType(ContentResolver)
4134     */
4135    public String resolveType(Context context) {
4136        return resolveType(context.getContentResolver());
4137    }
4138
4139    /**
4140     * Return the MIME data type of this intent.  If the type field is
4141     * explicitly set, that is simply returned.  Otherwise, if the data is set,
4142     * the type of that data is returned.  If neither fields are set, a null is
4143     * returned.
4144     *
4145     * @param resolver A ContentResolver that can be used to determine the MIME
4146     *                 type of the intent's data.
4147     *
4148     * @return The MIME type of this intent.
4149     *
4150     * @see #getType
4151     * @see #resolveType(Context)
4152     */
4153    public String resolveType(ContentResolver resolver) {
4154        if (mType != null) {
4155            return mType;
4156        }
4157        if (mData != null) {
4158            if ("content".equals(mData.getScheme())) {
4159                return resolver.getType(mData);
4160            }
4161        }
4162        return null;
4163    }
4164
4165    /**
4166     * Return the MIME data type of this intent, only if it will be needed for
4167     * intent resolution.  This is not generally useful for application code;
4168     * it is used by the frameworks for communicating with back-end system
4169     * services.
4170     *
4171     * @param resolver A ContentResolver that can be used to determine the MIME
4172     *                 type of the intent's data.
4173     *
4174     * @return The MIME type of this intent, or null if it is unknown or not
4175     *         needed.
4176     */
4177    public String resolveTypeIfNeeded(ContentResolver resolver) {
4178        if (mComponent != null) {
4179            return mType;
4180        }
4181        return resolveType(resolver);
4182    }
4183
4184    /**
4185     * Check if a category exists in the intent.
4186     *
4187     * @param category The category to check.
4188     *
4189     * @return boolean True if the intent contains the category, else false.
4190     *
4191     * @see #getCategories
4192     * @see #addCategory
4193     */
4194    public boolean hasCategory(String category) {
4195        return mCategories != null && mCategories.contains(category);
4196    }
4197
4198    /**
4199     * Return the set of all categories in the intent.  If there are no categories,
4200     * returns NULL.
4201     *
4202     * @return The set of categories you can examine.  Do not modify!
4203     *
4204     * @see #hasCategory
4205     * @see #addCategory
4206     */
4207    public Set<String> getCategories() {
4208        return mCategories;
4209    }
4210
4211    /**
4212     * Return the specific selector associated with this Intent.  If there is
4213     * none, returns null.  See {@link #setSelector} for more information.
4214     *
4215     * @see #setSelector
4216     */
4217    public Intent getSelector() {
4218        return mSelector;
4219    }
4220
4221    /**
4222     * Return the {@link ClipData} associated with this Intent.  If there is
4223     * none, returns null.  See {@link #setClipData} for more information.
4224     *
4225     * @see #setClipData;
4226     */
4227    public ClipData getClipData() {
4228        return mClipData;
4229    }
4230
4231    /**
4232     * Sets the ClassLoader that will be used when unmarshalling
4233     * any Parcelable values from the extras of this Intent.
4234     *
4235     * @param loader a ClassLoader, or null to use the default loader
4236     * at the time of unmarshalling.
4237     */
4238    public void setExtrasClassLoader(ClassLoader loader) {
4239        if (mExtras != null) {
4240            mExtras.setClassLoader(loader);
4241        }
4242    }
4243
4244    /**
4245     * Returns true if an extra value is associated with the given name.
4246     * @param name the extra's name
4247     * @return true if the given extra is present.
4248     */
4249    public boolean hasExtra(String name) {
4250        return mExtras != null && mExtras.containsKey(name);
4251    }
4252
4253    /**
4254     * Returns true if the Intent's extras contain a parcelled file descriptor.
4255     * @return true if the Intent contains a parcelled file descriptor.
4256     */
4257    public boolean hasFileDescriptors() {
4258        return mExtras != null && mExtras.hasFileDescriptors();
4259    }
4260
4261    /** @hide */
4262    public void setAllowFds(boolean allowFds) {
4263        if (mExtras != null) {
4264            mExtras.setAllowFds(allowFds);
4265        }
4266    }
4267
4268    /**
4269     * Retrieve extended data from the intent.
4270     *
4271     * @param name The name of the desired item.
4272     *
4273     * @return the value of an item that previously added with putExtra()
4274     * or null if none was found.
4275     *
4276     * @deprecated
4277     * @hide
4278     */
4279    @Deprecated
4280    public Object getExtra(String name) {
4281        return getExtra(name, null);
4282    }
4283
4284    /**
4285     * Retrieve extended data from the intent.
4286     *
4287     * @param name The name of the desired item.
4288     * @param defaultValue the value to be returned if no value of the desired
4289     * type is stored with the given name.
4290     *
4291     * @return the value of an item that previously added with putExtra()
4292     * or the default value if none was found.
4293     *
4294     * @see #putExtra(String, boolean)
4295     */
4296    public boolean getBooleanExtra(String name, boolean defaultValue) {
4297        return mExtras == null ? defaultValue :
4298            mExtras.getBoolean(name, defaultValue);
4299    }
4300
4301    /**
4302     * Retrieve extended data from the intent.
4303     *
4304     * @param name The name of the desired item.
4305     * @param defaultValue the value to be returned if no value of the desired
4306     * type is stored with the given name.
4307     *
4308     * @return the value of an item that previously added with putExtra()
4309     * or the default value if none was found.
4310     *
4311     * @see #putExtra(String, byte)
4312     */
4313    public byte getByteExtra(String name, byte defaultValue) {
4314        return mExtras == null ? defaultValue :
4315            mExtras.getByte(name, defaultValue);
4316    }
4317
4318    /**
4319     * Retrieve extended data from the intent.
4320     *
4321     * @param name The name of the desired item.
4322     * @param defaultValue the value to be returned if no value of the desired
4323     * type is stored with the given name.
4324     *
4325     * @return the value of an item that previously added with putExtra()
4326     * or the default value if none was found.
4327     *
4328     * @see #putExtra(String, short)
4329     */
4330    public short getShortExtra(String name, short defaultValue) {
4331        return mExtras == null ? defaultValue :
4332            mExtras.getShort(name, defaultValue);
4333    }
4334
4335    /**
4336     * Retrieve extended data from the intent.
4337     *
4338     * @param name The name of the desired item.
4339     * @param defaultValue the value to be returned if no value of the desired
4340     * type is stored with the given name.
4341     *
4342     * @return the value of an item that previously added with putExtra()
4343     * or the default value if none was found.
4344     *
4345     * @see #putExtra(String, char)
4346     */
4347    public char getCharExtra(String name, char defaultValue) {
4348        return mExtras == null ? defaultValue :
4349            mExtras.getChar(name, defaultValue);
4350    }
4351
4352    /**
4353     * Retrieve extended data from the intent.
4354     *
4355     * @param name The name of the desired item.
4356     * @param defaultValue the value to be returned if no value of the desired
4357     * type is stored with the given name.
4358     *
4359     * @return the value of an item that previously added with putExtra()
4360     * or the default value if none was found.
4361     *
4362     * @see #putExtra(String, int)
4363     */
4364    public int getIntExtra(String name, int defaultValue) {
4365        return mExtras == null ? defaultValue :
4366            mExtras.getInt(name, defaultValue);
4367    }
4368
4369    /**
4370     * Retrieve extended data from the intent.
4371     *
4372     * @param name The name of the desired item.
4373     * @param defaultValue the value to be returned if no value of the desired
4374     * type is stored with the given name.
4375     *
4376     * @return the value of an item that previously added with putExtra()
4377     * or the default value if none was found.
4378     *
4379     * @see #putExtra(String, long)
4380     */
4381    public long getLongExtra(String name, long defaultValue) {
4382        return mExtras == null ? defaultValue :
4383            mExtras.getLong(name, defaultValue);
4384    }
4385
4386    /**
4387     * Retrieve extended data from the intent.
4388     *
4389     * @param name The name of the desired item.
4390     * @param defaultValue the value to be returned if no value of the desired
4391     * type is stored with the given name.
4392     *
4393     * @return the value of an item that previously added with putExtra(),
4394     * or the default value if no such item is present
4395     *
4396     * @see #putExtra(String, float)
4397     */
4398    public float getFloatExtra(String name, float defaultValue) {
4399        return mExtras == null ? defaultValue :
4400            mExtras.getFloat(name, defaultValue);
4401    }
4402
4403    /**
4404     * Retrieve extended data from the intent.
4405     *
4406     * @param name The name of the desired item.
4407     * @param defaultValue the value to be returned if no value of the desired
4408     * type is stored with the given name.
4409     *
4410     * @return the value of an item that previously added with putExtra()
4411     * or the default value if none was found.
4412     *
4413     * @see #putExtra(String, double)
4414     */
4415    public double getDoubleExtra(String name, double defaultValue) {
4416        return mExtras == null ? defaultValue :
4417            mExtras.getDouble(name, defaultValue);
4418    }
4419
4420    /**
4421     * Retrieve extended data from the intent.
4422     *
4423     * @param name The name of the desired item.
4424     *
4425     * @return the value of an item that previously added with putExtra()
4426     * or null if no String value was found.
4427     *
4428     * @see #putExtra(String, String)
4429     */
4430    public String getStringExtra(String name) {
4431        return mExtras == null ? null : mExtras.getString(name);
4432    }
4433
4434    /**
4435     * Retrieve extended data from the intent.
4436     *
4437     * @param name The name of the desired item.
4438     *
4439     * @return the value of an item that previously added with putExtra()
4440     * or null if no CharSequence value was found.
4441     *
4442     * @see #putExtra(String, CharSequence)
4443     */
4444    public CharSequence getCharSequenceExtra(String name) {
4445        return mExtras == null ? null : mExtras.getCharSequence(name);
4446    }
4447
4448    /**
4449     * Retrieve extended data from the intent.
4450     *
4451     * @param name The name of the desired item.
4452     *
4453     * @return the value of an item that previously added with putExtra()
4454     * or null if no Parcelable value was found.
4455     *
4456     * @see #putExtra(String, Parcelable)
4457     */
4458    public <T extends Parcelable> T getParcelableExtra(String name) {
4459        return mExtras == null ? null : mExtras.<T>getParcelable(name);
4460    }
4461
4462    /**
4463     * Retrieve extended data from the intent.
4464     *
4465     * @param name The name of the desired item.
4466     *
4467     * @return the value of an item that previously added with putExtra()
4468     * or null if no Parcelable[] value was found.
4469     *
4470     * @see #putExtra(String, Parcelable[])
4471     */
4472    public Parcelable[] getParcelableArrayExtra(String name) {
4473        return mExtras == null ? null : mExtras.getParcelableArray(name);
4474    }
4475
4476    /**
4477     * Retrieve extended data from the intent.
4478     *
4479     * @param name The name of the desired item.
4480     *
4481     * @return the value of an item that previously added with putExtra()
4482     * or null if no ArrayList<Parcelable> value was found.
4483     *
4484     * @see #putParcelableArrayListExtra(String, ArrayList)
4485     */
4486    public <T extends Parcelable> ArrayList<T> getParcelableArrayListExtra(String name) {
4487        return mExtras == null ? null : mExtras.<T>getParcelableArrayList(name);
4488    }
4489
4490    /**
4491     * Retrieve extended data from the intent.
4492     *
4493     * @param name The name of the desired item.
4494     *
4495     * @return the value of an item that previously added with putExtra()
4496     * or null if no Serializable value was found.
4497     *
4498     * @see #putExtra(String, Serializable)
4499     */
4500    public Serializable getSerializableExtra(String name) {
4501        return mExtras == null ? null : mExtras.getSerializable(name);
4502    }
4503
4504    /**
4505     * Retrieve extended data from the intent.
4506     *
4507     * @param name The name of the desired item.
4508     *
4509     * @return the value of an item that previously added with putExtra()
4510     * or null if no ArrayList<Integer> value was found.
4511     *
4512     * @see #putIntegerArrayListExtra(String, ArrayList)
4513     */
4514    public ArrayList<Integer> getIntegerArrayListExtra(String name) {
4515        return mExtras == null ? null : mExtras.getIntegerArrayList(name);
4516    }
4517
4518    /**
4519     * Retrieve extended data from the intent.
4520     *
4521     * @param name The name of the desired item.
4522     *
4523     * @return the value of an item that previously added with putExtra()
4524     * or null if no ArrayList<String> value was found.
4525     *
4526     * @see #putStringArrayListExtra(String, ArrayList)
4527     */
4528    public ArrayList<String> getStringArrayListExtra(String name) {
4529        return mExtras == null ? null : mExtras.getStringArrayList(name);
4530    }
4531
4532    /**
4533     * Retrieve extended data from the intent.
4534     *
4535     * @param name The name of the desired item.
4536     *
4537     * @return the value of an item that previously added with putExtra()
4538     * or null if no ArrayList<CharSequence> value was found.
4539     *
4540     * @see #putCharSequenceArrayListExtra(String, ArrayList)
4541     */
4542    public ArrayList<CharSequence> getCharSequenceArrayListExtra(String name) {
4543        return mExtras == null ? null : mExtras.getCharSequenceArrayList(name);
4544    }
4545
4546    /**
4547     * Retrieve extended data from the intent.
4548     *
4549     * @param name The name of the desired item.
4550     *
4551     * @return the value of an item that previously added with putExtra()
4552     * or null if no boolean array value was found.
4553     *
4554     * @see #putExtra(String, boolean[])
4555     */
4556    public boolean[] getBooleanArrayExtra(String name) {
4557        return mExtras == null ? null : mExtras.getBooleanArray(name);
4558    }
4559
4560    /**
4561     * Retrieve extended data from the intent.
4562     *
4563     * @param name The name of the desired item.
4564     *
4565     * @return the value of an item that previously added with putExtra()
4566     * or null if no byte array value was found.
4567     *
4568     * @see #putExtra(String, byte[])
4569     */
4570    public byte[] getByteArrayExtra(String name) {
4571        return mExtras == null ? null : mExtras.getByteArray(name);
4572    }
4573
4574    /**
4575     * Retrieve extended data from the intent.
4576     *
4577     * @param name The name of the desired item.
4578     *
4579     * @return the value of an item that previously added with putExtra()
4580     * or null if no short array value was found.
4581     *
4582     * @see #putExtra(String, short[])
4583     */
4584    public short[] getShortArrayExtra(String name) {
4585        return mExtras == null ? null : mExtras.getShortArray(name);
4586    }
4587
4588    /**
4589     * Retrieve extended data from the intent.
4590     *
4591     * @param name The name of the desired item.
4592     *
4593     * @return the value of an item that previously added with putExtra()
4594     * or null if no char array value was found.
4595     *
4596     * @see #putExtra(String, char[])
4597     */
4598    public char[] getCharArrayExtra(String name) {
4599        return mExtras == null ? null : mExtras.getCharArray(name);
4600    }
4601
4602    /**
4603     * Retrieve extended data from the intent.
4604     *
4605     * @param name The name of the desired item.
4606     *
4607     * @return the value of an item that previously added with putExtra()
4608     * or null if no int array value was found.
4609     *
4610     * @see #putExtra(String, int[])
4611     */
4612    public int[] getIntArrayExtra(String name) {
4613        return mExtras == null ? null : mExtras.getIntArray(name);
4614    }
4615
4616    /**
4617     * Retrieve extended data from the intent.
4618     *
4619     * @param name The name of the desired item.
4620     *
4621     * @return the value of an item that previously added with putExtra()
4622     * or null if no long array value was found.
4623     *
4624     * @see #putExtra(String, long[])
4625     */
4626    public long[] getLongArrayExtra(String name) {
4627        return mExtras == null ? null : mExtras.getLongArray(name);
4628    }
4629
4630    /**
4631     * Retrieve extended data from the intent.
4632     *
4633     * @param name The name of the desired item.
4634     *
4635     * @return the value of an item that previously added with putExtra()
4636     * or null if no float array value was found.
4637     *
4638     * @see #putExtra(String, float[])
4639     */
4640    public float[] getFloatArrayExtra(String name) {
4641        return mExtras == null ? null : mExtras.getFloatArray(name);
4642    }
4643
4644    /**
4645     * Retrieve extended data from the intent.
4646     *
4647     * @param name The name of the desired item.
4648     *
4649     * @return the value of an item that previously added with putExtra()
4650     * or null if no double array value was found.
4651     *
4652     * @see #putExtra(String, double[])
4653     */
4654    public double[] getDoubleArrayExtra(String name) {
4655        return mExtras == null ? null : mExtras.getDoubleArray(name);
4656    }
4657
4658    /**
4659     * Retrieve extended data from the intent.
4660     *
4661     * @param name The name of the desired item.
4662     *
4663     * @return the value of an item that previously added with putExtra()
4664     * or null if no String array value was found.
4665     *
4666     * @see #putExtra(String, String[])
4667     */
4668    public String[] getStringArrayExtra(String name) {
4669        return mExtras == null ? null : mExtras.getStringArray(name);
4670    }
4671
4672    /**
4673     * Retrieve extended data from the intent.
4674     *
4675     * @param name The name of the desired item.
4676     *
4677     * @return the value of an item that previously added with putExtra()
4678     * or null if no CharSequence array value was found.
4679     *
4680     * @see #putExtra(String, CharSequence[])
4681     */
4682    public CharSequence[] getCharSequenceArrayExtra(String name) {
4683        return mExtras == null ? null : mExtras.getCharSequenceArray(name);
4684    }
4685
4686    /**
4687     * Retrieve extended data from the intent.
4688     *
4689     * @param name The name of the desired item.
4690     *
4691     * @return the value of an item that previously added with putExtra()
4692     * or null if no Bundle value was found.
4693     *
4694     * @see #putExtra(String, Bundle)
4695     */
4696    public Bundle getBundleExtra(String name) {
4697        return mExtras == null ? null : mExtras.getBundle(name);
4698    }
4699
4700    /**
4701     * Retrieve extended data from the intent.
4702     *
4703     * @param name The name of the desired item.
4704     *
4705     * @return the value of an item that previously added with putExtra()
4706     * or null if no IBinder value was found.
4707     *
4708     * @see #putExtra(String, IBinder)
4709     *
4710     * @deprecated
4711     * @hide
4712     */
4713    @Deprecated
4714    public IBinder getIBinderExtra(String name) {
4715        return mExtras == null ? null : mExtras.getIBinder(name);
4716    }
4717
4718    /**
4719     * Retrieve extended data from the intent.
4720     *
4721     * @param name The name of the desired item.
4722     * @param defaultValue The default value to return in case no item is
4723     * associated with the key 'name'
4724     *
4725     * @return the value of an item that previously added with putExtra()
4726     * or defaultValue if none was found.
4727     *
4728     * @see #putExtra
4729     *
4730     * @deprecated
4731     * @hide
4732     */
4733    @Deprecated
4734    public Object getExtra(String name, Object defaultValue) {
4735        Object result = defaultValue;
4736        if (mExtras != null) {
4737            Object result2 = mExtras.get(name);
4738            if (result2 != null) {
4739                result = result2;
4740            }
4741        }
4742
4743        return result;
4744    }
4745
4746    /**
4747     * Retrieves a map of extended data from the intent.
4748     *
4749     * @return the map of all extras previously added with putExtra(),
4750     * or null if none have been added.
4751     */
4752    public Bundle getExtras() {
4753        return (mExtras != null)
4754                ? new Bundle(mExtras)
4755                : null;
4756    }
4757
4758    /**
4759     * Retrieve any special flags associated with this intent.  You will
4760     * normally just set them with {@link #setFlags} and let the system
4761     * take the appropriate action with them.
4762     *
4763     * @return int The currently set flags.
4764     *
4765     * @see #setFlags
4766     */
4767    public int getFlags() {
4768        return mFlags;
4769    }
4770
4771    /** @hide */
4772    public boolean isExcludingStopped() {
4773        return (mFlags&(FLAG_EXCLUDE_STOPPED_PACKAGES|FLAG_INCLUDE_STOPPED_PACKAGES))
4774                == FLAG_EXCLUDE_STOPPED_PACKAGES;
4775    }
4776
4777    /**
4778     * Retrieve the application package name this Intent is limited to.  When
4779     * resolving an Intent, if non-null this limits the resolution to only
4780     * components in the given application package.
4781     *
4782     * @return The name of the application package for the Intent.
4783     *
4784     * @see #resolveActivity
4785     * @see #setPackage
4786     */
4787    public String getPackage() {
4788        return mPackage;
4789    }
4790
4791    /**
4792     * Retrieve the concrete component associated with the intent.  When receiving
4793     * an intent, this is the component that was found to best handle it (that is,
4794     * yourself) and will always be non-null; in all other cases it will be
4795     * null unless explicitly set.
4796     *
4797     * @return The name of the application component to handle the intent.
4798     *
4799     * @see #resolveActivity
4800     * @see #setComponent
4801     */
4802    public ComponentName getComponent() {
4803        return mComponent;
4804    }
4805
4806    /**
4807     * Get the bounds of the sender of this intent, in screen coordinates.  This can be
4808     * used as a hint to the receiver for animations and the like.  Null means that there
4809     * is no source bounds.
4810     */
4811    public Rect getSourceBounds() {
4812        return mSourceBounds;
4813    }
4814
4815    /**
4816     * Return the Activity component that should be used to handle this intent.
4817     * The appropriate component is determined based on the information in the
4818     * intent, evaluated as follows:
4819     *
4820     * <p>If {@link #getComponent} returns an explicit class, that is returned
4821     * without any further consideration.
4822     *
4823     * <p>The activity must handle the {@link Intent#CATEGORY_DEFAULT} Intent
4824     * category to be considered.
4825     *
4826     * <p>If {@link #getAction} is non-NULL, the activity must handle this
4827     * action.
4828     *
4829     * <p>If {@link #resolveType} returns non-NULL, the activity must handle
4830     * this type.
4831     *
4832     * <p>If {@link #addCategory} has added any categories, the activity must
4833     * handle ALL of the categories specified.
4834     *
4835     * <p>If {@link #getPackage} is non-NULL, only activity components in
4836     * that application package will be considered.
4837     *
4838     * <p>If there are no activities that satisfy all of these conditions, a
4839     * null string is returned.
4840     *
4841     * <p>If multiple activities are found to satisfy the intent, the one with
4842     * the highest priority will be used.  If there are multiple activities
4843     * with the same priority, the system will either pick the best activity
4844     * based on user preference, or resolve to a system class that will allow
4845     * the user to pick an activity and forward from there.
4846     *
4847     * <p>This method is implemented simply by calling
4848     * {@link PackageManager#resolveActivity} with the "defaultOnly" parameter
4849     * true.</p>
4850     * <p> This API is called for you as part of starting an activity from an
4851     * intent.  You do not normally need to call it yourself.</p>
4852     *
4853     * @param pm The package manager with which to resolve the Intent.
4854     *
4855     * @return Name of the component implementing an activity that can
4856     *         display the intent.
4857     *
4858     * @see #setComponent
4859     * @see #getComponent
4860     * @see #resolveActivityInfo
4861     */
4862    public ComponentName resolveActivity(PackageManager pm) {
4863        if (mComponent != null) {
4864            return mComponent;
4865        }
4866
4867        ResolveInfo info = pm.resolveActivity(
4868            this, PackageManager.MATCH_DEFAULT_ONLY);
4869        if (info != null) {
4870            return new ComponentName(
4871                    info.activityInfo.applicationInfo.packageName,
4872                    info.activityInfo.name);
4873        }
4874
4875        return null;
4876    }
4877
4878    /**
4879     * Resolve the Intent into an {@link ActivityInfo}
4880     * describing the activity that should execute the intent.  Resolution
4881     * follows the same rules as described for {@link #resolveActivity}, but
4882     * you get back the completely information about the resolved activity
4883     * instead of just its class name.
4884     *
4885     * @param pm The package manager with which to resolve the Intent.
4886     * @param flags Addition information to retrieve as per
4887     * {@link PackageManager#getActivityInfo(ComponentName, int)
4888     * PackageManager.getActivityInfo()}.
4889     *
4890     * @return PackageManager.ActivityInfo
4891     *
4892     * @see #resolveActivity
4893     */
4894    public ActivityInfo resolveActivityInfo(PackageManager pm, int flags) {
4895        ActivityInfo ai = null;
4896        if (mComponent != null) {
4897            try {
4898                ai = pm.getActivityInfo(mComponent, flags);
4899            } catch (PackageManager.NameNotFoundException e) {
4900                // ignore
4901            }
4902        } else {
4903            ResolveInfo info = pm.resolveActivity(
4904                this, PackageManager.MATCH_DEFAULT_ONLY | flags);
4905            if (info != null) {
4906                ai = info.activityInfo;
4907            }
4908        }
4909
4910        return ai;
4911    }
4912
4913    /**
4914     * Set the general action to be performed.
4915     *
4916     * @param action An action name, such as ACTION_VIEW.  Application-specific
4917     *               actions should be prefixed with the vendor's package name.
4918     *
4919     * @return Returns the same Intent object, for chaining multiple calls
4920     * into a single statement.
4921     *
4922     * @see #getAction
4923     */
4924    public Intent setAction(String action) {
4925        mAction = action != null ? action.intern() : null;
4926        return this;
4927    }
4928
4929    /**
4930     * Set the data this intent is operating on.  This method automatically
4931     * clears any type that was previously set by {@link #setType} or
4932     * {@link #setTypeAndNormalize}.
4933     *
4934     * <p><em>Note: scheme matching in the Android framework is
4935     * case-sensitive, unlike the formal RFC. As a result,
4936     * you should always write your Uri with a lower case scheme,
4937     * or use {@link Uri#normalizeScheme} or
4938     * {@link #setDataAndNormalize}
4939     * to ensure that the scheme is converted to lower case.</em>
4940     *
4941     * @param data The Uri of the data this intent is now targeting.
4942     *
4943     * @return Returns the same Intent object, for chaining multiple calls
4944     * into a single statement.
4945     *
4946     * @see #getData
4947     * @see #setDataAndNormalize
4948     * @see android.net.Intent#normalize
4949     */
4950    public Intent setData(Uri data) {
4951        mData = data;
4952        mType = null;
4953        return this;
4954    }
4955
4956    /**
4957     * Normalize and set the data this intent is operating on.
4958     *
4959     * <p>This method automatically clears any type that was
4960     * previously set (for example, by {@link #setType}).
4961     *
4962     * <p>The data Uri is normalized using
4963     * {@link android.net.Uri#normalizeScheme} before it is set,
4964     * so really this is just a convenience method for
4965     * <pre>
4966     * setData(data.normalize())
4967     * </pre>
4968     *
4969     * @param data The Uri of the data this intent is now targeting.
4970     *
4971     * @return Returns the same Intent object, for chaining multiple calls
4972     * into a single statement.
4973     *
4974     * @see #getData
4975     * @see #setType
4976     * @see android.net.Uri#normalizeScheme
4977     */
4978    public Intent setDataAndNormalize(Uri data) {
4979        return setData(data.normalizeScheme());
4980    }
4981
4982    /**
4983     * Set an explicit MIME data type.
4984     *
4985     * <p>This is used to create intents that only specify a type and not data,
4986     * for example to indicate the type of data to return.
4987     *
4988     * <p>This method automatically clears any data that was
4989     * previously set (for example by {@link #setData}).
4990     *
4991     * <p><em>Note: MIME type matching in the Android framework is
4992     * case-sensitive, unlike formal RFC MIME types.  As a result,
4993     * you should always write your MIME types with lower case letters,
4994     * or use {@link #normalizeMimeType} or {@link #setTypeAndNormalize}
4995     * to ensure that it is converted to lower case.</em>
4996     *
4997     * @param type The MIME type of the data being handled by this intent.
4998     *
4999     * @return Returns the same Intent object, for chaining multiple calls
5000     * into a single statement.
5001     *
5002     * @see #getType
5003     * @see #setTypeAndNormalize
5004     * @see #setDataAndType
5005     * @see #normalizeMimeType
5006     */
5007    public Intent setType(String type) {
5008        mData = null;
5009        mType = type;
5010        return this;
5011    }
5012
5013    /**
5014     * Normalize and set an explicit MIME data type.
5015     *
5016     * <p>This is used to create intents that only specify a type and not data,
5017     * for example to indicate the type of data to return.
5018     *
5019     * <p>This method automatically clears any data that was
5020     * previously set (for example by {@link #setData}).
5021     *
5022     * <p>The MIME type is normalized using
5023     * {@link #normalizeMimeType} before it is set,
5024     * so really this is just a convenience method for
5025     * <pre>
5026     * setType(Intent.normalizeMimeType(type))
5027     * </pre>
5028     *
5029     * @param type The MIME type of the data being handled by this intent.
5030     *
5031     * @return Returns the same Intent object, for chaining multiple calls
5032     * into a single statement.
5033     *
5034     * @see #getType
5035     * @see #setData
5036     * @see #normalizeMimeType
5037     */
5038    public Intent setTypeAndNormalize(String type) {
5039        return setType(normalizeMimeType(type));
5040    }
5041
5042    /**
5043     * (Usually optional) Set the data for the intent along with an explicit
5044     * MIME data type.  This method should very rarely be used -- it allows you
5045     * to override the MIME type that would ordinarily be inferred from the
5046     * data with your own type given here.
5047     *
5048     * <p><em>Note: MIME type and Uri scheme matching in the
5049     * Android framework is case-sensitive, unlike the formal RFC definitions.
5050     * As a result, you should always write these elements with lower case letters,
5051     * or use {@link #normalizeMimeType} or {@link android.net.Uri#normalizeScheme} or
5052     * {@link #setDataAndTypeAndNormalize}
5053     * to ensure that they are converted to lower case.</em>
5054     *
5055     * @param data The Uri of the data this intent is now targeting.
5056     * @param type The MIME type of the data being handled by this intent.
5057     *
5058     * @return Returns the same Intent object, for chaining multiple calls
5059     * into a single statement.
5060     *
5061     * @see #setType
5062     * @see #setData
5063     * @see #normalizeMimeType
5064     * @see android.net.Uri#normalizeScheme
5065     * @see #setDataAndTypeAndNormalize
5066     */
5067    public Intent setDataAndType(Uri data, String type) {
5068        mData = data;
5069        mType = type;
5070        return this;
5071    }
5072
5073    /**
5074     * (Usually optional) Normalize and set both the data Uri and an explicit
5075     * MIME data type.  This method should very rarely be used -- it allows you
5076     * to override the MIME type that would ordinarily be inferred from the
5077     * data with your own type given here.
5078     *
5079     * <p>The data Uri and the MIME type are normalize using
5080     * {@link android.net.Uri#normalizeScheme} and {@link #normalizeMimeType}
5081     * before they are set, so really this is just a convenience method for
5082     * <pre>
5083     * setDataAndType(data.normalize(), Intent.normalizeMimeType(type))
5084     * </pre>
5085     *
5086     * @param data The Uri of the data this intent is now targeting.
5087     * @param type The MIME type of the data being handled by this intent.
5088     *
5089     * @return Returns the same Intent object, for chaining multiple calls
5090     * into a single statement.
5091     *
5092     * @see #setType
5093     * @see #setData
5094     * @see #setDataAndType
5095     * @see #normalizeMimeType
5096     * @see android.net.Uri#normalizeScheme
5097     */
5098    public Intent setDataAndTypeAndNormalize(Uri data, String type) {
5099        return setDataAndType(data.normalizeScheme(), normalizeMimeType(type));
5100    }
5101
5102    /**
5103     * Add a new category to the intent.  Categories provide additional detail
5104     * about the action the intent performs.  When resolving an intent, only
5105     * activities that provide <em>all</em> of the requested categories will be
5106     * used.
5107     *
5108     * @param category The desired category.  This can be either one of the
5109     *               predefined Intent categories, or a custom category in your own
5110     *               namespace.
5111     *
5112     * @return Returns the same Intent object, for chaining multiple calls
5113     * into a single statement.
5114     *
5115     * @see #hasCategory
5116     * @see #removeCategory
5117     */
5118    public Intent addCategory(String category) {
5119        if (mCategories == null) {
5120            mCategories = new HashSet<String>();
5121        }
5122        mCategories.add(category.intern());
5123        return this;
5124    }
5125
5126    /**
5127     * Remove a category from an intent.
5128     *
5129     * @param category The category to remove.
5130     *
5131     * @see #addCategory
5132     */
5133    public void removeCategory(String category) {
5134        if (mCategories != null) {
5135            mCategories.remove(category);
5136            if (mCategories.size() == 0) {
5137                mCategories = null;
5138            }
5139        }
5140    }
5141
5142    /**
5143     * Set a selector for this Intent.  This is a modification to the kinds of
5144     * things the Intent will match.  If the selector is set, it will be used
5145     * when trying to find entities that can handle the Intent, instead of the
5146     * main contents of the Intent.  This allows you build an Intent containing
5147     * a generic protocol while targeting it more specifically.
5148     *
5149     * <p>An example of where this may be used is with things like
5150     * {@link #CATEGORY_APP_BROWSER}.  This category allows you to build an
5151     * Intent that will launch the Browser application.  However, the correct
5152     * main entry point of an application is actually {@link #ACTION_MAIN}
5153     * {@link #CATEGORY_LAUNCHER} with {@link #setComponent(ComponentName)}
5154     * used to specify the actual Activity to launch.  If you launch the browser
5155     * with something different, undesired behavior may happen if the user has
5156     * previously or later launches it the normal way, since they do not match.
5157     * Instead, you can build an Intent with the MAIN action (but no ComponentName
5158     * yet specified) and set a selector with {@link #ACTION_MAIN} and
5159     * {@link #CATEGORY_APP_BROWSER} to point it specifically to the browser activity.
5160     *
5161     * <p>Setting a selector does not impact the behavior of
5162     * {@link #filterEquals(Intent)} and {@link #filterHashCode()}.  This is part of the
5163     * desired behavior of a selector -- it does not impact the base meaning
5164     * of the Intent, just what kinds of things will be matched against it
5165     * when determining who can handle it.</p>
5166     *
5167     * <p>You can not use both a selector and {@link #setPackage(String)} on
5168     * the same base Intent.</p>
5169     *
5170     * @param selector The desired selector Intent; set to null to not use
5171     * a special selector.
5172     */
5173    public void setSelector(Intent selector) {
5174        if (selector == this) {
5175            throw new IllegalArgumentException(
5176                    "Intent being set as a selector of itself");
5177        }
5178        if (selector != null && mPackage != null) {
5179            throw new IllegalArgumentException(
5180                    "Can't set selector when package name is already set");
5181        }
5182        mSelector = selector;
5183    }
5184
5185    /**
5186     * Set a {@link ClipData} associated with this Intent.  This replaces any
5187     * previously set ClipData.
5188     *
5189     * <p>The ClipData in an intent is not used for Intent matching or other
5190     * such operations.  Semantically it is like extras, used to transmit
5191     * additional data with the Intent.  The main feature of using this over
5192     * the extras for data is that {@link #FLAG_GRANT_READ_URI_PERMISSION}
5193     * and {@link #FLAG_GRANT_WRITE_URI_PERMISSION} will operate on any URI
5194     * items included in the clip data.  This is useful, in particular, if
5195     * you want to transmit an Intent containing multiple <code>content:</code>
5196     * URIs for which the recipient may not have global permission to access the
5197     * content provider.
5198     *
5199     * <p>If the ClipData contains items that are themselves Intents, any
5200     * grant flags in those Intents will be ignored.  Only the top-level flags
5201     * of the main Intent are respected, and will be applied to all Uri or
5202     * Intent items in the clip (or sub-items of the clip).
5203     *
5204     * <p>The MIME type, label, and icon in the ClipData object are not
5205     * directly used by Intent.  Applications should generally rely on the
5206     * MIME type of the Intent itself, not what it may find in the ClipData.
5207     * A common practice is to construct a ClipData for use with an Intent
5208     * with a MIME type of "*\/*".
5209     *
5210     * @param clip The new clip to set.  May be null to clear the current clip.
5211     */
5212    public void setClipData(ClipData clip) {
5213        mClipData = clip;
5214    }
5215
5216    /**
5217     * Add extended data to the intent.  The name must include a package
5218     * prefix, for example the app com.android.contacts would use names
5219     * like "com.android.contacts.ShowAll".
5220     *
5221     * @param name The name of the extra data, with package prefix.
5222     * @param value The boolean data value.
5223     *
5224     * @return Returns the same Intent object, for chaining multiple calls
5225     * into a single statement.
5226     *
5227     * @see #putExtras
5228     * @see #removeExtra
5229     * @see #getBooleanExtra(String, boolean)
5230     */
5231    public Intent putExtra(String name, boolean value) {
5232        if (mExtras == null) {
5233            mExtras = new Bundle();
5234        }
5235        mExtras.putBoolean(name, value);
5236        return this;
5237    }
5238
5239    /**
5240     * Add extended data to the intent.  The name must include a package
5241     * prefix, for example the app com.android.contacts would use names
5242     * like "com.android.contacts.ShowAll".
5243     *
5244     * @param name The name of the extra data, with package prefix.
5245     * @param value The byte data value.
5246     *
5247     * @return Returns the same Intent object, for chaining multiple calls
5248     * into a single statement.
5249     *
5250     * @see #putExtras
5251     * @see #removeExtra
5252     * @see #getByteExtra(String, byte)
5253     */
5254    public Intent putExtra(String name, byte value) {
5255        if (mExtras == null) {
5256            mExtras = new Bundle();
5257        }
5258        mExtras.putByte(name, value);
5259        return this;
5260    }
5261
5262    /**
5263     * Add extended data to the intent.  The name must include a package
5264     * prefix, for example the app com.android.contacts would use names
5265     * like "com.android.contacts.ShowAll".
5266     *
5267     * @param name The name of the extra data, with package prefix.
5268     * @param value The char data value.
5269     *
5270     * @return Returns the same Intent object, for chaining multiple calls
5271     * into a single statement.
5272     *
5273     * @see #putExtras
5274     * @see #removeExtra
5275     * @see #getCharExtra(String, char)
5276     */
5277    public Intent putExtra(String name, char value) {
5278        if (mExtras == null) {
5279            mExtras = new Bundle();
5280        }
5281        mExtras.putChar(name, value);
5282        return this;
5283    }
5284
5285    /**
5286     * Add extended data to the intent.  The name must include a package
5287     * prefix, for example the app com.android.contacts would use names
5288     * like "com.android.contacts.ShowAll".
5289     *
5290     * @param name The name of the extra data, with package prefix.
5291     * @param value The short data value.
5292     *
5293     * @return Returns the same Intent object, for chaining multiple calls
5294     * into a single statement.
5295     *
5296     * @see #putExtras
5297     * @see #removeExtra
5298     * @see #getShortExtra(String, short)
5299     */
5300    public Intent putExtra(String name, short value) {
5301        if (mExtras == null) {
5302            mExtras = new Bundle();
5303        }
5304        mExtras.putShort(name, value);
5305        return this;
5306    }
5307
5308    /**
5309     * Add extended data to the intent.  The name must include a package
5310     * prefix, for example the app com.android.contacts would use names
5311     * like "com.android.contacts.ShowAll".
5312     *
5313     * @param name The name of the extra data, with package prefix.
5314     * @param value The integer data value.
5315     *
5316     * @return Returns the same Intent object, for chaining multiple calls
5317     * into a single statement.
5318     *
5319     * @see #putExtras
5320     * @see #removeExtra
5321     * @see #getIntExtra(String, int)
5322     */
5323    public Intent putExtra(String name, int value) {
5324        if (mExtras == null) {
5325            mExtras = new Bundle();
5326        }
5327        mExtras.putInt(name, value);
5328        return this;
5329    }
5330
5331    /**
5332     * Add extended data to the intent.  The name must include a package
5333     * prefix, for example the app com.android.contacts would use names
5334     * like "com.android.contacts.ShowAll".
5335     *
5336     * @param name The name of the extra data, with package prefix.
5337     * @param value The long data value.
5338     *
5339     * @return Returns the same Intent object, for chaining multiple calls
5340     * into a single statement.
5341     *
5342     * @see #putExtras
5343     * @see #removeExtra
5344     * @see #getLongExtra(String, long)
5345     */
5346    public Intent putExtra(String name, long value) {
5347        if (mExtras == null) {
5348            mExtras = new Bundle();
5349        }
5350        mExtras.putLong(name, value);
5351        return this;
5352    }
5353
5354    /**
5355     * Add extended data to the intent.  The name must include a package
5356     * prefix, for example the app com.android.contacts would use names
5357     * like "com.android.contacts.ShowAll".
5358     *
5359     * @param name The name of the extra data, with package prefix.
5360     * @param value The float data value.
5361     *
5362     * @return Returns the same Intent object, for chaining multiple calls
5363     * into a single statement.
5364     *
5365     * @see #putExtras
5366     * @see #removeExtra
5367     * @see #getFloatExtra(String, float)
5368     */
5369    public Intent putExtra(String name, float value) {
5370        if (mExtras == null) {
5371            mExtras = new Bundle();
5372        }
5373        mExtras.putFloat(name, value);
5374        return this;
5375    }
5376
5377    /**
5378     * Add extended data to the intent.  The name must include a package
5379     * prefix, for example the app com.android.contacts would use names
5380     * like "com.android.contacts.ShowAll".
5381     *
5382     * @param name The name of the extra data, with package prefix.
5383     * @param value The double data value.
5384     *
5385     * @return Returns the same Intent object, for chaining multiple calls
5386     * into a single statement.
5387     *
5388     * @see #putExtras
5389     * @see #removeExtra
5390     * @see #getDoubleExtra(String, double)
5391     */
5392    public Intent putExtra(String name, double value) {
5393        if (mExtras == null) {
5394            mExtras = new Bundle();
5395        }
5396        mExtras.putDouble(name, value);
5397        return this;
5398    }
5399
5400    /**
5401     * Add extended data to the intent.  The name must include a package
5402     * prefix, for example the app com.android.contacts would use names
5403     * like "com.android.contacts.ShowAll".
5404     *
5405     * @param name The name of the extra data, with package prefix.
5406     * @param value The String data value.
5407     *
5408     * @return Returns the same Intent object, for chaining multiple calls
5409     * into a single statement.
5410     *
5411     * @see #putExtras
5412     * @see #removeExtra
5413     * @see #getStringExtra(String)
5414     */
5415    public Intent putExtra(String name, String value) {
5416        if (mExtras == null) {
5417            mExtras = new Bundle();
5418        }
5419        mExtras.putString(name, value);
5420        return this;
5421    }
5422
5423    /**
5424     * Add extended data to the intent.  The name must include a package
5425     * prefix, for example the app com.android.contacts would use names
5426     * like "com.android.contacts.ShowAll".
5427     *
5428     * @param name The name of the extra data, with package prefix.
5429     * @param value The CharSequence data value.
5430     *
5431     * @return Returns the same Intent object, for chaining multiple calls
5432     * into a single statement.
5433     *
5434     * @see #putExtras
5435     * @see #removeExtra
5436     * @see #getCharSequenceExtra(String)
5437     */
5438    public Intent putExtra(String name, CharSequence value) {
5439        if (mExtras == null) {
5440            mExtras = new Bundle();
5441        }
5442        mExtras.putCharSequence(name, value);
5443        return this;
5444    }
5445
5446    /**
5447     * Add extended data to the intent.  The name must include a package
5448     * prefix, for example the app com.android.contacts would use names
5449     * like "com.android.contacts.ShowAll".
5450     *
5451     * @param name The name of the extra data, with package prefix.
5452     * @param value The Parcelable data value.
5453     *
5454     * @return Returns the same Intent object, for chaining multiple calls
5455     * into a single statement.
5456     *
5457     * @see #putExtras
5458     * @see #removeExtra
5459     * @see #getParcelableExtra(String)
5460     */
5461    public Intent putExtra(String name, Parcelable value) {
5462        if (mExtras == null) {
5463            mExtras = new Bundle();
5464        }
5465        mExtras.putParcelable(name, value);
5466        return this;
5467    }
5468
5469    /**
5470     * Add extended data to the intent.  The name must include a package
5471     * prefix, for example the app com.android.contacts would use names
5472     * like "com.android.contacts.ShowAll".
5473     *
5474     * @param name The name of the extra data, with package prefix.
5475     * @param value The Parcelable[] data value.
5476     *
5477     * @return Returns the same Intent object, for chaining multiple calls
5478     * into a single statement.
5479     *
5480     * @see #putExtras
5481     * @see #removeExtra
5482     * @see #getParcelableArrayExtra(String)
5483     */
5484    public Intent putExtra(String name, Parcelable[] value) {
5485        if (mExtras == null) {
5486            mExtras = new Bundle();
5487        }
5488        mExtras.putParcelableArray(name, value);
5489        return this;
5490    }
5491
5492    /**
5493     * Add extended data to the intent.  The name must include a package
5494     * prefix, for example the app com.android.contacts would use names
5495     * like "com.android.contacts.ShowAll".
5496     *
5497     * @param name The name of the extra data, with package prefix.
5498     * @param value The ArrayList<Parcelable> data value.
5499     *
5500     * @return Returns the same Intent object, for chaining multiple calls
5501     * into a single statement.
5502     *
5503     * @see #putExtras
5504     * @see #removeExtra
5505     * @see #getParcelableArrayListExtra(String)
5506     */
5507    public Intent putParcelableArrayListExtra(String name, ArrayList<? extends Parcelable> value) {
5508        if (mExtras == null) {
5509            mExtras = new Bundle();
5510        }
5511        mExtras.putParcelableArrayList(name, value);
5512        return this;
5513    }
5514
5515    /**
5516     * Add extended data to the intent.  The name must include a package
5517     * prefix, for example the app com.android.contacts would use names
5518     * like "com.android.contacts.ShowAll".
5519     *
5520     * @param name The name of the extra data, with package prefix.
5521     * @param value The ArrayList<Integer> data value.
5522     *
5523     * @return Returns the same Intent object, for chaining multiple calls
5524     * into a single statement.
5525     *
5526     * @see #putExtras
5527     * @see #removeExtra
5528     * @see #getIntegerArrayListExtra(String)
5529     */
5530    public Intent putIntegerArrayListExtra(String name, ArrayList<Integer> value) {
5531        if (mExtras == null) {
5532            mExtras = new Bundle();
5533        }
5534        mExtras.putIntegerArrayList(name, value);
5535        return this;
5536    }
5537
5538    /**
5539     * Add extended data to the intent.  The name must include a package
5540     * prefix, for example the app com.android.contacts would use names
5541     * like "com.android.contacts.ShowAll".
5542     *
5543     * @param name The name of the extra data, with package prefix.
5544     * @param value The ArrayList<String> data value.
5545     *
5546     * @return Returns the same Intent object, for chaining multiple calls
5547     * into a single statement.
5548     *
5549     * @see #putExtras
5550     * @see #removeExtra
5551     * @see #getStringArrayListExtra(String)
5552     */
5553    public Intent putStringArrayListExtra(String name, ArrayList<String> value) {
5554        if (mExtras == null) {
5555            mExtras = new Bundle();
5556        }
5557        mExtras.putStringArrayList(name, value);
5558        return this;
5559    }
5560
5561    /**
5562     * Add extended data to the intent.  The name must include a package
5563     * prefix, for example the app com.android.contacts would use names
5564     * like "com.android.contacts.ShowAll".
5565     *
5566     * @param name The name of the extra data, with package prefix.
5567     * @param value The ArrayList<CharSequence> data value.
5568     *
5569     * @return Returns the same Intent object, for chaining multiple calls
5570     * into a single statement.
5571     *
5572     * @see #putExtras
5573     * @see #removeExtra
5574     * @see #getCharSequenceArrayListExtra(String)
5575     */
5576    public Intent putCharSequenceArrayListExtra(String name, ArrayList<CharSequence> value) {
5577        if (mExtras == null) {
5578            mExtras = new Bundle();
5579        }
5580        mExtras.putCharSequenceArrayList(name, value);
5581        return this;
5582    }
5583
5584    /**
5585     * Add extended data to the intent.  The name must include a package
5586     * prefix, for example the app com.android.contacts would use names
5587     * like "com.android.contacts.ShowAll".
5588     *
5589     * @param name The name of the extra data, with package prefix.
5590     * @param value The Serializable data value.
5591     *
5592     * @return Returns the same Intent object, for chaining multiple calls
5593     * into a single statement.
5594     *
5595     * @see #putExtras
5596     * @see #removeExtra
5597     * @see #getSerializableExtra(String)
5598     */
5599    public Intent putExtra(String name, Serializable value) {
5600        if (mExtras == null) {
5601            mExtras = new Bundle();
5602        }
5603        mExtras.putSerializable(name, value);
5604        return this;
5605    }
5606
5607    /**
5608     * Add extended data to the intent.  The name must include a package
5609     * prefix, for example the app com.android.contacts would use names
5610     * like "com.android.contacts.ShowAll".
5611     *
5612     * @param name The name of the extra data, with package prefix.
5613     * @param value The boolean array data value.
5614     *
5615     * @return Returns the same Intent object, for chaining multiple calls
5616     * into a single statement.
5617     *
5618     * @see #putExtras
5619     * @see #removeExtra
5620     * @see #getBooleanArrayExtra(String)
5621     */
5622    public Intent putExtra(String name, boolean[] value) {
5623        if (mExtras == null) {
5624            mExtras = new Bundle();
5625        }
5626        mExtras.putBooleanArray(name, value);
5627        return this;
5628    }
5629
5630    /**
5631     * Add extended data to the intent.  The name must include a package
5632     * prefix, for example the app com.android.contacts would use names
5633     * like "com.android.contacts.ShowAll".
5634     *
5635     * @param name The name of the extra data, with package prefix.
5636     * @param value The byte array data value.
5637     *
5638     * @return Returns the same Intent object, for chaining multiple calls
5639     * into a single statement.
5640     *
5641     * @see #putExtras
5642     * @see #removeExtra
5643     * @see #getByteArrayExtra(String)
5644     */
5645    public Intent putExtra(String name, byte[] value) {
5646        if (mExtras == null) {
5647            mExtras = new Bundle();
5648        }
5649        mExtras.putByteArray(name, value);
5650        return this;
5651    }
5652
5653    /**
5654     * Add extended data to the intent.  The name must include a package
5655     * prefix, for example the app com.android.contacts would use names
5656     * like "com.android.contacts.ShowAll".
5657     *
5658     * @param name The name of the extra data, with package prefix.
5659     * @param value The short array data value.
5660     *
5661     * @return Returns the same Intent object, for chaining multiple calls
5662     * into a single statement.
5663     *
5664     * @see #putExtras
5665     * @see #removeExtra
5666     * @see #getShortArrayExtra(String)
5667     */
5668    public Intent putExtra(String name, short[] value) {
5669        if (mExtras == null) {
5670            mExtras = new Bundle();
5671        }
5672        mExtras.putShortArray(name, value);
5673        return this;
5674    }
5675
5676    /**
5677     * Add extended data to the intent.  The name must include a package
5678     * prefix, for example the app com.android.contacts would use names
5679     * like "com.android.contacts.ShowAll".
5680     *
5681     * @param name The name of the extra data, with package prefix.
5682     * @param value The char array data value.
5683     *
5684     * @return Returns the same Intent object, for chaining multiple calls
5685     * into a single statement.
5686     *
5687     * @see #putExtras
5688     * @see #removeExtra
5689     * @see #getCharArrayExtra(String)
5690     */
5691    public Intent putExtra(String name, char[] value) {
5692        if (mExtras == null) {
5693            mExtras = new Bundle();
5694        }
5695        mExtras.putCharArray(name, value);
5696        return this;
5697    }
5698
5699    /**
5700     * Add extended data to the intent.  The name must include a package
5701     * prefix, for example the app com.android.contacts would use names
5702     * like "com.android.contacts.ShowAll".
5703     *
5704     * @param name The name of the extra data, with package prefix.
5705     * @param value The int array data value.
5706     *
5707     * @return Returns the same Intent object, for chaining multiple calls
5708     * into a single statement.
5709     *
5710     * @see #putExtras
5711     * @see #removeExtra
5712     * @see #getIntArrayExtra(String)
5713     */
5714    public Intent putExtra(String name, int[] value) {
5715        if (mExtras == null) {
5716            mExtras = new Bundle();
5717        }
5718        mExtras.putIntArray(name, value);
5719        return this;
5720    }
5721
5722    /**
5723     * Add extended data to the intent.  The name must include a package
5724     * prefix, for example the app com.android.contacts would use names
5725     * like "com.android.contacts.ShowAll".
5726     *
5727     * @param name The name of the extra data, with package prefix.
5728     * @param value The byte array data value.
5729     *
5730     * @return Returns the same Intent object, for chaining multiple calls
5731     * into a single statement.
5732     *
5733     * @see #putExtras
5734     * @see #removeExtra
5735     * @see #getLongArrayExtra(String)
5736     */
5737    public Intent putExtra(String name, long[] value) {
5738        if (mExtras == null) {
5739            mExtras = new Bundle();
5740        }
5741        mExtras.putLongArray(name, value);
5742        return this;
5743    }
5744
5745    /**
5746     * Add extended data to the intent.  The name must include a package
5747     * prefix, for example the app com.android.contacts would use names
5748     * like "com.android.contacts.ShowAll".
5749     *
5750     * @param name The name of the extra data, with package prefix.
5751     * @param value The float array data value.
5752     *
5753     * @return Returns the same Intent object, for chaining multiple calls
5754     * into a single statement.
5755     *
5756     * @see #putExtras
5757     * @see #removeExtra
5758     * @see #getFloatArrayExtra(String)
5759     */
5760    public Intent putExtra(String name, float[] value) {
5761        if (mExtras == null) {
5762            mExtras = new Bundle();
5763        }
5764        mExtras.putFloatArray(name, value);
5765        return this;
5766    }
5767
5768    /**
5769     * Add extended data to the intent.  The name must include a package
5770     * prefix, for example the app com.android.contacts would use names
5771     * like "com.android.contacts.ShowAll".
5772     *
5773     * @param name The name of the extra data, with package prefix.
5774     * @param value The double array data value.
5775     *
5776     * @return Returns the same Intent object, for chaining multiple calls
5777     * into a single statement.
5778     *
5779     * @see #putExtras
5780     * @see #removeExtra
5781     * @see #getDoubleArrayExtra(String)
5782     */
5783    public Intent putExtra(String name, double[] value) {
5784        if (mExtras == null) {
5785            mExtras = new Bundle();
5786        }
5787        mExtras.putDoubleArray(name, value);
5788        return this;
5789    }
5790
5791    /**
5792     * Add extended data to the intent.  The name must include a package
5793     * prefix, for example the app com.android.contacts would use names
5794     * like "com.android.contacts.ShowAll".
5795     *
5796     * @param name The name of the extra data, with package prefix.
5797     * @param value The String array data value.
5798     *
5799     * @return Returns the same Intent object, for chaining multiple calls
5800     * into a single statement.
5801     *
5802     * @see #putExtras
5803     * @see #removeExtra
5804     * @see #getStringArrayExtra(String)
5805     */
5806    public Intent putExtra(String name, String[] value) {
5807        if (mExtras == null) {
5808            mExtras = new Bundle();
5809        }
5810        mExtras.putStringArray(name, value);
5811        return this;
5812    }
5813
5814    /**
5815     * Add extended data to the intent.  The name must include a package
5816     * prefix, for example the app com.android.contacts would use names
5817     * like "com.android.contacts.ShowAll".
5818     *
5819     * @param name The name of the extra data, with package prefix.
5820     * @param value The CharSequence array data value.
5821     *
5822     * @return Returns the same Intent object, for chaining multiple calls
5823     * into a single statement.
5824     *
5825     * @see #putExtras
5826     * @see #removeExtra
5827     * @see #getCharSequenceArrayExtra(String)
5828     */
5829    public Intent putExtra(String name, CharSequence[] value) {
5830        if (mExtras == null) {
5831            mExtras = new Bundle();
5832        }
5833        mExtras.putCharSequenceArray(name, value);
5834        return this;
5835    }
5836
5837    /**
5838     * Add extended data to the intent.  The name must include a package
5839     * prefix, for example the app com.android.contacts would use names
5840     * like "com.android.contacts.ShowAll".
5841     *
5842     * @param name The name of the extra data, with package prefix.
5843     * @param value The Bundle data value.
5844     *
5845     * @return Returns the same Intent object, for chaining multiple calls
5846     * into a single statement.
5847     *
5848     * @see #putExtras
5849     * @see #removeExtra
5850     * @see #getBundleExtra(String)
5851     */
5852    public Intent putExtra(String name, Bundle value) {
5853        if (mExtras == null) {
5854            mExtras = new Bundle();
5855        }
5856        mExtras.putBundle(name, value);
5857        return this;
5858    }
5859
5860    /**
5861     * Add extended data to the intent.  The name must include a package
5862     * prefix, for example the app com.android.contacts would use names
5863     * like "com.android.contacts.ShowAll".
5864     *
5865     * @param name The name of the extra data, with package prefix.
5866     * @param value The IBinder data value.
5867     *
5868     * @return Returns the same Intent object, for chaining multiple calls
5869     * into a single statement.
5870     *
5871     * @see #putExtras
5872     * @see #removeExtra
5873     * @see #getIBinderExtra(String)
5874     *
5875     * @deprecated
5876     * @hide
5877     */
5878    @Deprecated
5879    public Intent putExtra(String name, IBinder value) {
5880        if (mExtras == null) {
5881            mExtras = new Bundle();
5882        }
5883        mExtras.putIBinder(name, value);
5884        return this;
5885    }
5886
5887    /**
5888     * Copy all extras in 'src' in to this intent.
5889     *
5890     * @param src Contains the extras to copy.
5891     *
5892     * @see #putExtra
5893     */
5894    public Intent putExtras(Intent src) {
5895        if (src.mExtras != null) {
5896            if (mExtras == null) {
5897                mExtras = new Bundle(src.mExtras);
5898            } else {
5899                mExtras.putAll(src.mExtras);
5900            }
5901        }
5902        return this;
5903    }
5904
5905    /**
5906     * Add a set of extended data to the intent.  The keys must include a package
5907     * prefix, for example the app com.android.contacts would use names
5908     * like "com.android.contacts.ShowAll".
5909     *
5910     * @param extras The Bundle of extras to add to this intent.
5911     *
5912     * @see #putExtra
5913     * @see #removeExtra
5914     */
5915    public Intent putExtras(Bundle extras) {
5916        if (mExtras == null) {
5917            mExtras = new Bundle();
5918        }
5919        mExtras.putAll(extras);
5920        return this;
5921    }
5922
5923    /**
5924     * Completely replace the extras in the Intent with the extras in the
5925     * given Intent.
5926     *
5927     * @param src The exact extras contained in this Intent are copied
5928     * into the target intent, replacing any that were previously there.
5929     */
5930    public Intent replaceExtras(Intent src) {
5931        mExtras = src.mExtras != null ? new Bundle(src.mExtras) : null;
5932        return this;
5933    }
5934
5935    /**
5936     * Completely replace the extras in the Intent with the given Bundle of
5937     * extras.
5938     *
5939     * @param extras The new set of extras in the Intent, or null to erase
5940     * all extras.
5941     */
5942    public Intent replaceExtras(Bundle extras) {
5943        mExtras = extras != null ? new Bundle(extras) : null;
5944        return this;
5945    }
5946
5947    /**
5948     * Remove extended data from the intent.
5949     *
5950     * @see #putExtra
5951     */
5952    public void removeExtra(String name) {
5953        if (mExtras != null) {
5954            mExtras.remove(name);
5955            if (mExtras.size() == 0) {
5956                mExtras = null;
5957            }
5958        }
5959    }
5960
5961    /**
5962     * Set special flags controlling how this intent is handled.  Most values
5963     * here depend on the type of component being executed by the Intent,
5964     * specifically the FLAG_ACTIVITY_* flags are all for use with
5965     * {@link Context#startActivity Context.startActivity()} and the
5966     * FLAG_RECEIVER_* flags are all for use with
5967     * {@link Context#sendBroadcast(Intent) Context.sendBroadcast()}.
5968     *
5969     * <p>See the
5970     * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back
5971     * Stack</a> documentation for important information on how some of these options impact
5972     * the behavior of your application.
5973     *
5974     * @param flags The desired flags.
5975     *
5976     * @return Returns the same Intent object, for chaining multiple calls
5977     * into a single statement.
5978     *
5979     * @see #getFlags
5980     * @see #addFlags
5981     *
5982     * @see #FLAG_GRANT_READ_URI_PERMISSION
5983     * @see #FLAG_GRANT_WRITE_URI_PERMISSION
5984     * @see #FLAG_DEBUG_LOG_RESOLUTION
5985     * @see #FLAG_FROM_BACKGROUND
5986     * @see #FLAG_ACTIVITY_BROUGHT_TO_FRONT
5987     * @see #FLAG_ACTIVITY_CLEAR_TASK
5988     * @see #FLAG_ACTIVITY_CLEAR_TOP
5989     * @see #FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET
5990     * @see #FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
5991     * @see #FLAG_ACTIVITY_FORWARD_RESULT
5992     * @see #FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY
5993     * @see #FLAG_ACTIVITY_MULTIPLE_TASK
5994     * @see #FLAG_ACTIVITY_NEW_TASK
5995     * @see #FLAG_ACTIVITY_NO_ANIMATION
5996     * @see #FLAG_ACTIVITY_NO_HISTORY
5997     * @see #FLAG_ACTIVITY_NO_USER_ACTION
5998     * @see #FLAG_ACTIVITY_PREVIOUS_IS_TOP
5999     * @see #FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
6000     * @see #FLAG_ACTIVITY_REORDER_TO_FRONT
6001     * @see #FLAG_ACTIVITY_SINGLE_TOP
6002     * @see #FLAG_ACTIVITY_TASK_ON_HOME
6003     * @see #FLAG_RECEIVER_REGISTERED_ONLY
6004     */
6005    public Intent setFlags(int flags) {
6006        mFlags = flags;
6007        return this;
6008    }
6009
6010    /**
6011     * Add additional flags to the intent (or with existing flags
6012     * value).
6013     *
6014     * @param flags The new flags to set.
6015     *
6016     * @return Returns the same Intent object, for chaining multiple calls
6017     * into a single statement.
6018     *
6019     * @see #setFlags
6020     */
6021    public Intent addFlags(int flags) {
6022        mFlags |= flags;
6023        return this;
6024    }
6025
6026    /**
6027     * (Usually optional) Set an explicit application package name that limits
6028     * the components this Intent will resolve to.  If left to the default
6029     * value of null, all components in all applications will considered.
6030     * If non-null, the Intent can only match the components in the given
6031     * application package.
6032     *
6033     * @param packageName The name of the application package to handle the
6034     * intent, or null to allow any application package.
6035     *
6036     * @return Returns the same Intent object, for chaining multiple calls
6037     * into a single statement.
6038     *
6039     * @see #getPackage
6040     * @see #resolveActivity
6041     */
6042    public Intent setPackage(String packageName) {
6043        if (packageName != null && mSelector != null) {
6044            throw new IllegalArgumentException(
6045                    "Can't set package name when selector is already set");
6046        }
6047        mPackage = packageName;
6048        return this;
6049    }
6050
6051    /**
6052     * (Usually optional) Explicitly set the component to handle the intent.
6053     * If left with the default value of null, the system will determine the
6054     * appropriate class to use based on the other fields (action, data,
6055     * type, categories) in the Intent.  If this class is defined, the
6056     * specified class will always be used regardless of the other fields.  You
6057     * should only set this value when you know you absolutely want a specific
6058     * class to be used; otherwise it is better to let the system find the
6059     * appropriate class so that you will respect the installed applications
6060     * and user preferences.
6061     *
6062     * @param component The name of the application component to handle the
6063     * intent, or null to let the system find one for you.
6064     *
6065     * @return Returns the same Intent object, for chaining multiple calls
6066     * into a single statement.
6067     *
6068     * @see #setClass
6069     * @see #setClassName(Context, String)
6070     * @see #setClassName(String, String)
6071     * @see #getComponent
6072     * @see #resolveActivity
6073     */
6074    public Intent setComponent(ComponentName component) {
6075        mComponent = component;
6076        return this;
6077    }
6078
6079    /**
6080     * Convenience for calling {@link #setComponent} with an
6081     * explicit class name.
6082     *
6083     * @param packageContext A Context of the application package implementing
6084     * this class.
6085     * @param className The name of a class inside of the application package
6086     * that will be used as the component for this Intent.
6087     *
6088     * @return Returns the same Intent object, for chaining multiple calls
6089     * into a single statement.
6090     *
6091     * @see #setComponent
6092     * @see #setClass
6093     */
6094    public Intent setClassName(Context packageContext, String className) {
6095        mComponent = new ComponentName(packageContext, className);
6096        return this;
6097    }
6098
6099    /**
6100     * Convenience for calling {@link #setComponent} with an
6101     * explicit application package name and class name.
6102     *
6103     * @param packageName The name of the package implementing the desired
6104     * component.
6105     * @param className The name of a class inside of the application package
6106     * that will be used as the component for this Intent.
6107     *
6108     * @return Returns the same Intent object, for chaining multiple calls
6109     * into a single statement.
6110     *
6111     * @see #setComponent
6112     * @see #setClass
6113     */
6114    public Intent setClassName(String packageName, String className) {
6115        mComponent = new ComponentName(packageName, className);
6116        return this;
6117    }
6118
6119    /**
6120     * Convenience for calling {@link #setComponent(ComponentName)} with the
6121     * name returned by a {@link Class} object.
6122     *
6123     * @param packageContext A Context of the application package implementing
6124     * this class.
6125     * @param cls The class name to set, equivalent to
6126     *            <code>setClassName(context, cls.getName())</code>.
6127     *
6128     * @return Returns the same Intent object, for chaining multiple calls
6129     * into a single statement.
6130     *
6131     * @see #setComponent
6132     */
6133    public Intent setClass(Context packageContext, Class<?> cls) {
6134        mComponent = new ComponentName(packageContext, cls);
6135        return this;
6136    }
6137
6138    /**
6139     * Set the bounds of the sender of this intent, in screen coordinates.  This can be
6140     * used as a hint to the receiver for animations and the like.  Null means that there
6141     * is no source bounds.
6142     */
6143    public void setSourceBounds(Rect r) {
6144        if (r != null) {
6145            mSourceBounds = new Rect(r);
6146        } else {
6147            mSourceBounds = null;
6148        }
6149    }
6150
6151    /**
6152     * Use with {@link #fillIn} to allow the current action value to be
6153     * overwritten, even if it is already set.
6154     */
6155    public static final int FILL_IN_ACTION = 1<<0;
6156
6157    /**
6158     * Use with {@link #fillIn} to allow the current data or type value
6159     * overwritten, even if it is already set.
6160     */
6161    public static final int FILL_IN_DATA = 1<<1;
6162
6163    /**
6164     * Use with {@link #fillIn} to allow the current categories to be
6165     * overwritten, even if they are already set.
6166     */
6167    public static final int FILL_IN_CATEGORIES = 1<<2;
6168
6169    /**
6170     * Use with {@link #fillIn} to allow the current component value to be
6171     * overwritten, even if it is already set.
6172     */
6173    public static final int FILL_IN_COMPONENT = 1<<3;
6174
6175    /**
6176     * Use with {@link #fillIn} to allow the current package value to be
6177     * overwritten, even if it is already set.
6178     */
6179    public static final int FILL_IN_PACKAGE = 1<<4;
6180
6181    /**
6182     * Use with {@link #fillIn} to allow the current bounds rectangle to be
6183     * overwritten, even if it is already set.
6184     */
6185    public static final int FILL_IN_SOURCE_BOUNDS = 1<<5;
6186
6187    /**
6188     * Use with {@link #fillIn} to allow the current selector to be
6189     * overwritten, even if it is already set.
6190     */
6191    public static final int FILL_IN_SELECTOR = 1<<6;
6192
6193    /**
6194     * Use with {@link #fillIn} to allow the current ClipData to be
6195     * overwritten, even if it is already set.
6196     */
6197    public static final int FILL_IN_CLIP_DATA = 1<<7;
6198
6199    /**
6200     * Copy the contents of <var>other</var> in to this object, but only
6201     * where fields are not defined by this object.  For purposes of a field
6202     * being defined, the following pieces of data in the Intent are
6203     * considered to be separate fields:
6204     *
6205     * <ul>
6206     * <li> action, as set by {@link #setAction}.
6207     * <li> data Uri and MIME type, as set by {@link #setData(Uri)},
6208     * {@link #setType(String)}, or {@link #setDataAndType(Uri, String)}.
6209     * <li> categories, as set by {@link #addCategory}.
6210     * <li> package, as set by {@link #setPackage}.
6211     * <li> component, as set by {@link #setComponent(ComponentName)} or
6212     * related methods.
6213     * <li> source bounds, as set by {@link #setSourceBounds}.
6214     * <li> selector, as set by {@link #setSelector(Intent)}.
6215     * <li> clip data, as set by {@link #setClipData(ClipData)}.
6216     * <li> each top-level name in the associated extras.
6217     * </ul>
6218     *
6219     * <p>In addition, you can use the {@link #FILL_IN_ACTION},
6220     * {@link #FILL_IN_DATA}, {@link #FILL_IN_CATEGORIES}, {@link #FILL_IN_PACKAGE},
6221     * {@link #FILL_IN_COMPONENT}, {@link #FILL_IN_SOURCE_BOUNDS},
6222     * {@link #FILL_IN_SELECTOR}, and {@link #FILL_IN_CLIP_DATA} to override
6223     * the restriction where the corresponding field will not be replaced if
6224     * it is already set.
6225     *
6226     * <p>Note: The component field will only be copied if {@link #FILL_IN_COMPONENT}
6227     * is explicitly specified.  The selector will only be copied if
6228     * {@link #FILL_IN_SELECTOR} is explicitly specified.
6229     *
6230     * <p>For example, consider Intent A with {data="foo", categories="bar"}
6231     * and Intent B with {action="gotit", data-type="some/thing",
6232     * categories="one","two"}.
6233     *
6234     * <p>Calling A.fillIn(B, Intent.FILL_IN_DATA) will result in A now
6235     * containing: {action="gotit", data-type="some/thing",
6236     * categories="bar"}.
6237     *
6238     * @param other Another Intent whose values are to be used to fill in
6239     * the current one.
6240     * @param flags Options to control which fields can be filled in.
6241     *
6242     * @return Returns a bit mask of {@link #FILL_IN_ACTION},
6243     * {@link #FILL_IN_DATA}, {@link #FILL_IN_CATEGORIES}, {@link #FILL_IN_PACKAGE},
6244     * {@link #FILL_IN_COMPONENT}, {@link #FILL_IN_SOURCE_BOUNDS}, and
6245     * {@link #FILL_IN_SELECTOR} indicating which fields were changed.
6246     */
6247    public int fillIn(Intent other, int flags) {
6248        int changes = 0;
6249        if (other.mAction != null
6250                && (mAction == null || (flags&FILL_IN_ACTION) != 0)) {
6251            mAction = other.mAction;
6252            changes |= FILL_IN_ACTION;
6253        }
6254        if ((other.mData != null || other.mType != null)
6255                && ((mData == null && mType == null)
6256                        || (flags&FILL_IN_DATA) != 0)) {
6257            mData = other.mData;
6258            mType = other.mType;
6259            changes |= FILL_IN_DATA;
6260        }
6261        if (other.mCategories != null
6262                && (mCategories == null || (flags&FILL_IN_CATEGORIES) != 0)) {
6263            if (other.mCategories != null) {
6264                mCategories = new HashSet<String>(other.mCategories);
6265            }
6266            changes |= FILL_IN_CATEGORIES;
6267        }
6268        if (other.mPackage != null
6269                && (mPackage == null || (flags&FILL_IN_PACKAGE) != 0)) {
6270            // Only do this if mSelector is not set.
6271            if (mSelector == null) {
6272                mPackage = other.mPackage;
6273                changes |= FILL_IN_PACKAGE;
6274            }
6275        }
6276        // Selector is special: it can only be set if explicitly allowed,
6277        // for the same reason as the component name.
6278        if (other.mSelector != null && (flags&FILL_IN_SELECTOR) != 0) {
6279            if (mPackage == null) {
6280                mSelector = new Intent(other.mSelector);
6281                mPackage = null;
6282                changes |= FILL_IN_SELECTOR;
6283            }
6284        }
6285        if (other.mClipData != null
6286                && (mClipData == null || (flags&FILL_IN_CLIP_DATA) != 0)) {
6287            mClipData = other.mClipData;
6288            changes |= FILL_IN_CLIP_DATA;
6289        }
6290        // Component is special: it can -only- be set if explicitly allowed,
6291        // since otherwise the sender could force the intent somewhere the
6292        // originator didn't intend.
6293        if (other.mComponent != null && (flags&FILL_IN_COMPONENT) != 0) {
6294            mComponent = other.mComponent;
6295            changes |= FILL_IN_COMPONENT;
6296        }
6297        mFlags |= other.mFlags;
6298        if (other.mSourceBounds != null
6299                && (mSourceBounds == null || (flags&FILL_IN_SOURCE_BOUNDS) != 0)) {
6300            mSourceBounds = new Rect(other.mSourceBounds);
6301            changes |= FILL_IN_SOURCE_BOUNDS;
6302        }
6303        if (mExtras == null) {
6304            if (other.mExtras != null) {
6305                mExtras = new Bundle(other.mExtras);
6306            }
6307        } else if (other.mExtras != null) {
6308            try {
6309                Bundle newb = new Bundle(other.mExtras);
6310                newb.putAll(mExtras);
6311                mExtras = newb;
6312            } catch (RuntimeException e) {
6313                // Modifying the extras can cause us to unparcel the contents
6314                // of the bundle, and if we do this in the system process that
6315                // may fail.  We really should handle this (i.e., the Bundle
6316                // impl shouldn't be on top of a plain map), but for now just
6317                // ignore it and keep the original contents. :(
6318                Log.w("Intent", "Failure filling in extras", e);
6319            }
6320        }
6321        return changes;
6322    }
6323
6324    /**
6325     * Wrapper class holding an Intent and implementing comparisons on it for
6326     * the purpose of filtering.  The class implements its
6327     * {@link #equals equals()} and {@link #hashCode hashCode()} methods as
6328     * simple calls to {@link Intent#filterEquals(Intent)}  filterEquals()} and
6329     * {@link android.content.Intent#filterHashCode()}  filterHashCode()}
6330     * on the wrapped Intent.
6331     */
6332    public static final class FilterComparison {
6333        private final Intent mIntent;
6334        private final int mHashCode;
6335
6336        public FilterComparison(Intent intent) {
6337            mIntent = intent;
6338            mHashCode = intent.filterHashCode();
6339        }
6340
6341        /**
6342         * Return the Intent that this FilterComparison represents.
6343         * @return Returns the Intent held by the FilterComparison.  Do
6344         * not modify!
6345         */
6346        public Intent getIntent() {
6347            return mIntent;
6348        }
6349
6350        @Override
6351        public boolean equals(Object obj) {
6352            if (obj instanceof FilterComparison) {
6353                Intent other = ((FilterComparison)obj).mIntent;
6354                return mIntent.filterEquals(other);
6355            }
6356            return false;
6357        }
6358
6359        @Override
6360        public int hashCode() {
6361            return mHashCode;
6362        }
6363    }
6364
6365    /**
6366     * Determine if two intents are the same for the purposes of intent
6367     * resolution (filtering). That is, if their action, data, type,
6368     * class, and categories are the same.  This does <em>not</em> compare
6369     * any extra data included in the intents.
6370     *
6371     * @param other The other Intent to compare against.
6372     *
6373     * @return Returns true if action, data, type, class, and categories
6374     *         are the same.
6375     */
6376    public boolean filterEquals(Intent other) {
6377        if (other == null) {
6378            return false;
6379        }
6380        if (mAction != other.mAction) {
6381            if (mAction != null) {
6382                if (!mAction.equals(other.mAction)) {
6383                    return false;
6384                }
6385            } else {
6386                if (!other.mAction.equals(mAction)) {
6387                    return false;
6388                }
6389            }
6390        }
6391        if (mData != other.mData) {
6392            if (mData != null) {
6393                if (!mData.equals(other.mData)) {
6394                    return false;
6395                }
6396            } else {
6397                if (!other.mData.equals(mData)) {
6398                    return false;
6399                }
6400            }
6401        }
6402        if (mType != other.mType) {
6403            if (mType != null) {
6404                if (!mType.equals(other.mType)) {
6405                    return false;
6406                }
6407            } else {
6408                if (!other.mType.equals(mType)) {
6409                    return false;
6410                }
6411            }
6412        }
6413        if (mPackage != other.mPackage) {
6414            if (mPackage != null) {
6415                if (!mPackage.equals(other.mPackage)) {
6416                    return false;
6417                }
6418            } else {
6419                if (!other.mPackage.equals(mPackage)) {
6420                    return false;
6421                }
6422            }
6423        }
6424        if (mComponent != other.mComponent) {
6425            if (mComponent != null) {
6426                if (!mComponent.equals(other.mComponent)) {
6427                    return false;
6428                }
6429            } else {
6430                if (!other.mComponent.equals(mComponent)) {
6431                    return false;
6432                }
6433            }
6434        }
6435        if (mCategories != other.mCategories) {
6436            if (mCategories != null) {
6437                if (!mCategories.equals(other.mCategories)) {
6438                    return false;
6439                }
6440            } else {
6441                if (!other.mCategories.equals(mCategories)) {
6442                    return false;
6443                }
6444            }
6445        }
6446
6447        return true;
6448    }
6449
6450    /**
6451     * Generate hash code that matches semantics of filterEquals().
6452     *
6453     * @return Returns the hash value of the action, data, type, class, and
6454     *         categories.
6455     *
6456     * @see #filterEquals
6457     */
6458    public int filterHashCode() {
6459        int code = 0;
6460        if (mAction != null) {
6461            code += mAction.hashCode();
6462        }
6463        if (mData != null) {
6464            code += mData.hashCode();
6465        }
6466        if (mType != null) {
6467            code += mType.hashCode();
6468        }
6469        if (mPackage != null) {
6470            code += mPackage.hashCode();
6471        }
6472        if (mComponent != null) {
6473            code += mComponent.hashCode();
6474        }
6475        if (mCategories != null) {
6476            code += mCategories.hashCode();
6477        }
6478        return code;
6479    }
6480
6481    @Override
6482    public String toString() {
6483        StringBuilder b = new StringBuilder(128);
6484
6485        b.append("Intent { ");
6486        toShortString(b, true, true, true, false);
6487        b.append(" }");
6488
6489        return b.toString();
6490    }
6491
6492    /** @hide */
6493    public String toInsecureString() {
6494        StringBuilder b = new StringBuilder(128);
6495
6496        b.append("Intent { ");
6497        toShortString(b, false, true, true, false);
6498        b.append(" }");
6499
6500        return b.toString();
6501    }
6502
6503    /** @hide */
6504    public String toInsecureStringWithClip() {
6505        StringBuilder b = new StringBuilder(128);
6506
6507        b.append("Intent { ");
6508        toShortString(b, false, true, true, true);
6509        b.append(" }");
6510
6511        return b.toString();
6512    }
6513
6514    /** @hide */
6515    public String toShortString(boolean secure, boolean comp, boolean extras, boolean clip) {
6516        StringBuilder b = new StringBuilder(128);
6517        toShortString(b, secure, comp, extras, clip);
6518        return b.toString();
6519    }
6520
6521    /** @hide */
6522    public void toShortString(StringBuilder b, boolean secure, boolean comp, boolean extras,
6523            boolean clip) {
6524        boolean first = true;
6525        if (mAction != null) {
6526            b.append("act=").append(mAction);
6527            first = false;
6528        }
6529        if (mCategories != null) {
6530            if (!first) {
6531                b.append(' ');
6532            }
6533            first = false;
6534            b.append("cat=[");
6535            Iterator<String> i = mCategories.iterator();
6536            boolean didone = false;
6537            while (i.hasNext()) {
6538                if (didone) b.append(",");
6539                didone = true;
6540                b.append(i.next());
6541            }
6542            b.append("]");
6543        }
6544        if (mData != null) {
6545            if (!first) {
6546                b.append(' ');
6547            }
6548            first = false;
6549            b.append("dat=");
6550            if (secure) {
6551                b.append(mData.toSafeString());
6552            } else {
6553                b.append(mData);
6554            }
6555        }
6556        if (mType != null) {
6557            if (!first) {
6558                b.append(' ');
6559            }
6560            first = false;
6561            b.append("typ=").append(mType);
6562        }
6563        if (mFlags != 0) {
6564            if (!first) {
6565                b.append(' ');
6566            }
6567            first = false;
6568            b.append("flg=0x").append(Integer.toHexString(mFlags));
6569        }
6570        if (mPackage != null) {
6571            if (!first) {
6572                b.append(' ');
6573            }
6574            first = false;
6575            b.append("pkg=").append(mPackage);
6576        }
6577        if (comp && mComponent != null) {
6578            if (!first) {
6579                b.append(' ');
6580            }
6581            first = false;
6582            b.append("cmp=").append(mComponent.flattenToShortString());
6583        }
6584        if (mSourceBounds != null) {
6585            if (!first) {
6586                b.append(' ');
6587            }
6588            first = false;
6589            b.append("bnds=").append(mSourceBounds.toShortString());
6590        }
6591        if (mClipData != null) {
6592            if (!first) {
6593                b.append(' ');
6594            }
6595            first = false;
6596            if (clip) {
6597                b.append("clip={");
6598                mClipData.toShortString(b);
6599                b.append('}');
6600            } else {
6601                b.append("(has clip)");
6602            }
6603        }
6604        if (extras && mExtras != null) {
6605            if (!first) {
6606                b.append(' ');
6607            }
6608            first = false;
6609            b.append("(has extras)");
6610        }
6611        if (mSelector != null) {
6612            b.append(" sel={");
6613            mSelector.toShortString(b, secure, comp, extras, clip);
6614            b.append("}");
6615        }
6616    }
6617
6618    /**
6619     * Call {@link #toUri} with 0 flags.
6620     * @deprecated Use {@link #toUri} instead.
6621     */
6622    @Deprecated
6623    public String toURI() {
6624        return toUri(0);
6625    }
6626
6627    /**
6628     * Convert this Intent into a String holding a URI representation of it.
6629     * The returned URI string has been properly URI encoded, so it can be
6630     * used with {@link Uri#parse Uri.parse(String)}.  The URI contains the
6631     * Intent's data as the base URI, with an additional fragment describing
6632     * the action, categories, type, flags, package, component, and extras.
6633     *
6634     * <p>You can convert the returned string back to an Intent with
6635     * {@link #getIntent}.
6636     *
6637     * @param flags Additional operating flags.  Either 0 or
6638     * {@link #URI_INTENT_SCHEME}.
6639     *
6640     * @return Returns a URI encoding URI string describing the entire contents
6641     * of the Intent.
6642     */
6643    public String toUri(int flags) {
6644        StringBuilder uri = new StringBuilder(128);
6645        String scheme = null;
6646        if (mData != null) {
6647            String data = mData.toString();
6648            if ((flags&URI_INTENT_SCHEME) != 0) {
6649                final int N = data.length();
6650                for (int i=0; i<N; i++) {
6651                    char c = data.charAt(i);
6652                    if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')
6653                            || c == '.' || c == '-') {
6654                        continue;
6655                    }
6656                    if (c == ':' && i > 0) {
6657                        // Valid scheme.
6658                        scheme = data.substring(0, i);
6659                        uri.append("intent:");
6660                        data = data.substring(i+1);
6661                        break;
6662                    }
6663
6664                    // No scheme.
6665                    break;
6666                }
6667            }
6668            uri.append(data);
6669
6670        } else if ((flags&URI_INTENT_SCHEME) != 0) {
6671            uri.append("intent:");
6672        }
6673
6674        uri.append("#Intent;");
6675
6676        toUriInner(uri, scheme, flags);
6677        if (mSelector != null) {
6678            uri.append("SEL;");
6679            // Note that for now we are not going to try to handle the
6680            // data part; not clear how to represent this as a URI, and
6681            // not much utility in it.
6682            mSelector.toUriInner(uri, null, flags);
6683        }
6684
6685        uri.append("end");
6686
6687        return uri.toString();
6688    }
6689
6690    private void toUriInner(StringBuilder uri, String scheme, int flags) {
6691        if (scheme != null) {
6692            uri.append("scheme=").append(scheme).append(';');
6693        }
6694        if (mAction != null) {
6695            uri.append("action=").append(Uri.encode(mAction)).append(';');
6696        }
6697        if (mCategories != null) {
6698            for (String category : mCategories) {
6699                uri.append("category=").append(Uri.encode(category)).append(';');
6700            }
6701        }
6702        if (mType != null) {
6703            uri.append("type=").append(Uri.encode(mType, "/")).append(';');
6704        }
6705        if (mFlags != 0) {
6706            uri.append("launchFlags=0x").append(Integer.toHexString(mFlags)).append(';');
6707        }
6708        if (mPackage != null) {
6709            uri.append("package=").append(Uri.encode(mPackage)).append(';');
6710        }
6711        if (mComponent != null) {
6712            uri.append("component=").append(Uri.encode(
6713                    mComponent.flattenToShortString(), "/")).append(';');
6714        }
6715        if (mSourceBounds != null) {
6716            uri.append("sourceBounds=")
6717                    .append(Uri.encode(mSourceBounds.flattenToString()))
6718                    .append(';');
6719        }
6720        if (mExtras != null) {
6721            for (String key : mExtras.keySet()) {
6722                final Object value = mExtras.get(key);
6723                char entryType =
6724                        value instanceof String    ? 'S' :
6725                        value instanceof Boolean   ? 'B' :
6726                        value instanceof Byte      ? 'b' :
6727                        value instanceof Character ? 'c' :
6728                        value instanceof Double    ? 'd' :
6729                        value instanceof Float     ? 'f' :
6730                        value instanceof Integer   ? 'i' :
6731                        value instanceof Long      ? 'l' :
6732                        value instanceof Short     ? 's' :
6733                        '\0';
6734
6735                if (entryType != '\0') {
6736                    uri.append(entryType);
6737                    uri.append('.');
6738                    uri.append(Uri.encode(key));
6739                    uri.append('=');
6740                    uri.append(Uri.encode(value.toString()));
6741                    uri.append(';');
6742                }
6743            }
6744        }
6745    }
6746
6747    public int describeContents() {
6748        return (mExtras != null) ? mExtras.describeContents() : 0;
6749    }
6750
6751    public void writeToParcel(Parcel out, int flags) {
6752        out.writeString(mAction);
6753        Uri.writeToParcel(out, mData);
6754        out.writeString(mType);
6755        out.writeInt(mFlags);
6756        out.writeString(mPackage);
6757        ComponentName.writeToParcel(mComponent, out);
6758
6759        if (mSourceBounds != null) {
6760            out.writeInt(1);
6761            mSourceBounds.writeToParcel(out, flags);
6762        } else {
6763            out.writeInt(0);
6764        }
6765
6766        if (mCategories != null) {
6767            out.writeInt(mCategories.size());
6768            for (String category : mCategories) {
6769                out.writeString(category);
6770            }
6771        } else {
6772            out.writeInt(0);
6773        }
6774
6775        if (mSelector != null) {
6776            out.writeInt(1);
6777            mSelector.writeToParcel(out, flags);
6778        } else {
6779            out.writeInt(0);
6780        }
6781
6782        if (mClipData != null) {
6783            out.writeInt(1);
6784            mClipData.writeToParcel(out, flags);
6785        } else {
6786            out.writeInt(0);
6787        }
6788
6789        out.writeBundle(mExtras);
6790    }
6791
6792    public static final Parcelable.Creator<Intent> CREATOR
6793            = new Parcelable.Creator<Intent>() {
6794        public Intent createFromParcel(Parcel in) {
6795            return new Intent(in);
6796        }
6797        public Intent[] newArray(int size) {
6798            return new Intent[size];
6799        }
6800    };
6801
6802    /** @hide */
6803    protected Intent(Parcel in) {
6804        readFromParcel(in);
6805    }
6806
6807    public void readFromParcel(Parcel in) {
6808        setAction(in.readString());
6809        mData = Uri.CREATOR.createFromParcel(in);
6810        mType = in.readString();
6811        mFlags = in.readInt();
6812        mPackage = in.readString();
6813        mComponent = ComponentName.readFromParcel(in);
6814
6815        if (in.readInt() != 0) {
6816            mSourceBounds = Rect.CREATOR.createFromParcel(in);
6817        }
6818
6819        int N = in.readInt();
6820        if (N > 0) {
6821            mCategories = new HashSet<String>();
6822            int i;
6823            for (i=0; i<N; i++) {
6824                mCategories.add(in.readString().intern());
6825            }
6826        } else {
6827            mCategories = null;
6828        }
6829
6830        if (in.readInt() != 0) {
6831            mSelector = new Intent(in);
6832        }
6833
6834        if (in.readInt() != 0) {
6835            mClipData = new ClipData(in);
6836        }
6837
6838        mExtras = in.readBundle();
6839    }
6840
6841    /**
6842     * Parses the "intent" element (and its children) from XML and instantiates
6843     * an Intent object.  The given XML parser should be located at the tag
6844     * where parsing should start (often named "intent"), from which the
6845     * basic action, data, type, and package and class name will be
6846     * retrieved.  The function will then parse in to any child elements,
6847     * looking for <category android:name="xxx"> tags to add categories and
6848     * <extra android:name="xxx" android:value="yyy"> to attach extra data
6849     * to the intent.
6850     *
6851     * @param resources The Resources to use when inflating resources.
6852     * @param parser The XML parser pointing at an "intent" tag.
6853     * @param attrs The AttributeSet interface for retrieving extended
6854     * attribute data at the current <var>parser</var> location.
6855     * @return An Intent object matching the XML data.
6856     * @throws XmlPullParserException If there was an XML parsing error.
6857     * @throws IOException If there was an I/O error.
6858     */
6859    public static Intent parseIntent(Resources resources, XmlPullParser parser, AttributeSet attrs)
6860            throws XmlPullParserException, IOException {
6861        Intent intent = new Intent();
6862
6863        TypedArray sa = resources.obtainAttributes(attrs,
6864                com.android.internal.R.styleable.Intent);
6865
6866        intent.setAction(sa.getString(com.android.internal.R.styleable.Intent_action));
6867
6868        String data = sa.getString(com.android.internal.R.styleable.Intent_data);
6869        String mimeType = sa.getString(com.android.internal.R.styleable.Intent_mimeType);
6870        intent.setDataAndType(data != null ? Uri.parse(data) : null, mimeType);
6871
6872        String packageName = sa.getString(com.android.internal.R.styleable.Intent_targetPackage);
6873        String className = sa.getString(com.android.internal.R.styleable.Intent_targetClass);
6874        if (packageName != null && className != null) {
6875            intent.setComponent(new ComponentName(packageName, className));
6876        }
6877
6878        sa.recycle();
6879
6880        int outerDepth = parser.getDepth();
6881        int type;
6882        while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
6883               && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
6884            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
6885                continue;
6886            }
6887
6888            String nodeName = parser.getName();
6889            if (nodeName.equals("category")) {
6890                sa = resources.obtainAttributes(attrs,
6891                        com.android.internal.R.styleable.IntentCategory);
6892                String cat = sa.getString(com.android.internal.R.styleable.IntentCategory_name);
6893                sa.recycle();
6894
6895                if (cat != null) {
6896                    intent.addCategory(cat);
6897                }
6898                XmlUtils.skipCurrentTag(parser);
6899
6900            } else if (nodeName.equals("extra")) {
6901                if (intent.mExtras == null) {
6902                    intent.mExtras = new Bundle();
6903                }
6904                resources.parseBundleExtra("extra", attrs, intent.mExtras);
6905                XmlUtils.skipCurrentTag(parser);
6906
6907            } else {
6908                XmlUtils.skipCurrentTag(parser);
6909            }
6910        }
6911
6912        return intent;
6913    }
6914
6915    /**
6916     * Normalize a MIME data type.
6917     *
6918     * <p>A normalized MIME type has white-space trimmed,
6919     * content-type parameters removed, and is lower-case.
6920     * This aligns the type with Android best practices for
6921     * intent filtering.
6922     *
6923     * <p>For example, "text/plain; charset=utf-8" becomes "text/plain".
6924     * "text/x-vCard" becomes "text/x-vcard".
6925     *
6926     * <p>All MIME types received from outside Android (such as user input,
6927     * or external sources like Bluetooth, NFC, or the Internet) should
6928     * be normalized before they are used to create an Intent.
6929     *
6930     * @param type MIME data type to normalize
6931     * @return normalized MIME data type, or null if the input was null
6932     * @see {@link #setType}
6933     * @see {@link #setTypeAndNormalize}
6934     */
6935    public static String normalizeMimeType(String type) {
6936        if (type == null) {
6937            return null;
6938        }
6939
6940        type = type.trim().toLowerCase(Locale.US);
6941
6942        final int semicolonIndex = type.indexOf(';');
6943        if (semicolonIndex != -1) {
6944            type = type.substring(0, semicolonIndex);
6945        }
6946        return type;
6947    }
6948
6949    /**
6950     * Migrate any {@link #EXTRA_STREAM} in {@link #ACTION_SEND} and
6951     * {@link #ACTION_SEND_MULTIPLE} to {@link ClipData}. Also inspects nested
6952     * intents in {@link #ACTION_CHOOSER}.
6953     *
6954     * @return Whether any contents were migrated.
6955     * @hide
6956     */
6957    public boolean migrateExtraStreamToClipData() {
6958        // Refuse to touch if extras already parcelled
6959        if (mExtras != null && mExtras.isParcelled()) return false;
6960
6961        // Bail when someone already gave us ClipData
6962        if (getClipData() != null) return false;
6963
6964        final String action = getAction();
6965        if (ACTION_CHOOSER.equals(action)) {
6966            try {
6967                // Inspect target intent to see if we need to migrate
6968                final Intent target = getParcelableExtra(EXTRA_INTENT);
6969                if (target != null && target.migrateExtraStreamToClipData()) {
6970                    // Since we migrated in child, we need to promote ClipData
6971                    // and flags to ourselves to grant.
6972                    setClipData(target.getClipData());
6973                    addFlags(target.getFlags()
6974                            & (FLAG_GRANT_READ_URI_PERMISSION | FLAG_GRANT_WRITE_URI_PERMISSION));
6975                    return true;
6976                } else {
6977                    return false;
6978                }
6979            } catch (ClassCastException e) {
6980            }
6981
6982        } else if (ACTION_SEND.equals(action)) {
6983            try {
6984                final Uri stream = getParcelableExtra(EXTRA_STREAM);
6985                final CharSequence text = getCharSequenceExtra(EXTRA_TEXT);
6986                final String htmlText = getStringExtra(EXTRA_HTML_TEXT);
6987                if (stream != null || text != null || htmlText != null) {
6988                    final ClipData clipData = new ClipData(
6989                            null, new String[] { getType() },
6990                            new ClipData.Item(text, htmlText, null, stream));
6991                    setClipData(clipData);
6992                    addFlags(FLAG_GRANT_READ_URI_PERMISSION);
6993                    return true;
6994                }
6995            } catch (ClassCastException e) {
6996            }
6997
6998        } else if (ACTION_SEND_MULTIPLE.equals(action)) {
6999            try {
7000                final ArrayList<Uri> streams = getParcelableArrayListExtra(EXTRA_STREAM);
7001                final ArrayList<CharSequence> texts = getCharSequenceArrayListExtra(EXTRA_TEXT);
7002                final ArrayList<String> htmlTexts = getStringArrayListExtra(EXTRA_HTML_TEXT);
7003                int num = -1;
7004                if (streams != null) {
7005                    num = streams.size();
7006                }
7007                if (texts != null) {
7008                    if (num >= 0 && num != texts.size()) {
7009                        // Wha...!  F- you.
7010                        return false;
7011                    }
7012                    num = texts.size();
7013                }
7014                if (htmlTexts != null) {
7015                    if (num >= 0 && num != htmlTexts.size()) {
7016                        // Wha...!  F- you.
7017                        return false;
7018                    }
7019                    num = htmlTexts.size();
7020                }
7021                if (num > 0) {
7022                    final ClipData clipData = new ClipData(
7023                            null, new String[] { getType() },
7024                            makeClipItem(streams, texts, htmlTexts, 0));
7025
7026                    for (int i = 1; i < num; i++) {
7027                        clipData.addItem(makeClipItem(streams, texts, htmlTexts, i));
7028                    }
7029
7030                    setClipData(clipData);
7031                    addFlags(FLAG_GRANT_READ_URI_PERMISSION);
7032                    return true;
7033                }
7034            } catch (ClassCastException e) {
7035            }
7036        }
7037
7038        return false;
7039    }
7040
7041    private static ClipData.Item makeClipItem(ArrayList<Uri> streams, ArrayList<CharSequence> texts,
7042            ArrayList<String> htmlTexts, int which) {
7043        Uri uri = streams != null ? streams.get(which) : null;
7044        CharSequence text = texts != null ? texts.get(which) : null;
7045        String htmlText = htmlTexts != null ? htmlTexts.get(which) : null;
7046        return new ClipData.Item(text, htmlText, null, uri);
7047    }
7048}
7049