Intent.java revision 3d74bb4ab27ae9601f5c9c3706fad287845fb672
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.net.Uri; 30import android.os.Bundle; 31import android.os.IBinder; 32import android.os.Parcel; 33import android.os.Parcelable; 34import android.util.AttributeSet; 35import android.util.Log; 36import com.android.internal.util.XmlUtils; 37 38import java.io.IOException; 39import java.io.Serializable; 40import java.net.URISyntaxException; 41import java.util.ArrayList; 42import java.util.HashSet; 43import java.util.Iterator; 44import java.util.Set; 45 46/** 47 * An intent is an abstract description of an operation to be performed. It 48 * can be used with {@link Context#startActivity(Intent) startActivity} to 49 * launch an {@link android.app.Activity}, 50 * {@link android.content.Context#sendBroadcast(Intent) broadcastIntent} to 51 * send it to any interested {@link BroadcastReceiver BroadcastReceiver} components, 52 * and {@link android.content.Context#startService} or 53 * {@link android.content.Context#bindService} to communicate with a 54 * background {@link android.app.Service}. 55 * 56 * <p>An Intent provides a facility for performing late runtime binding between 57 * the code in different applications. Its most significant use is in the 58 * launching of activities, where it can be thought of as the glue between 59 * activities. It is 60 * basically a passive data structure holding an abstract description of an 61 * action to be performed. The primary pieces of information in an intent 62 * are:</p> 63 * 64 * <ul> 65 * <li> <p><b>action</b> -- The general action to be performed, such as 66 * {@link #ACTION_VIEW}, {@link #ACTION_EDIT}, {@link #ACTION_MAIN}, 67 * etc.</p> 68 * </li> 69 * <li> <p><b>data</b> -- The data to operate on, such as a person record 70 * in the contacts database, expressed as a {@link android.net.Uri}.</p> 71 * </li> 72 * </ul> 73 * 74 * 75 * <p>Some examples of action/data pairs are:</p> 76 * 77 * <ul> 78 * <li> <p><b>{@link #ACTION_VIEW} <i>content://contacts/1</i></b> -- Display 79 * information about the person whose identifier is "1".</p> 80 * </li> 81 * <li> <p><b>{@link #ACTION_DIAL} <i>content://contacts/1</i></b> -- Display 82 * the phone dialer with the person filled in.</p> 83 * </li> 84 * <li> <p><b>{@link #ACTION_VIEW} <i>tel:123</i></b> -- Display 85 * the phone dialer with the given number filled in. Note how the 86 * VIEW action does what what is considered the most reasonable thing for 87 * a particular URI.</p> 88 * </li> 89 * <li> <p><b>{@link #ACTION_DIAL} <i>tel:123</i></b> -- Display 90 * the phone dialer with the given number filled in.</p> 91 * </li> 92 * <li> <p><b>{@link #ACTION_EDIT} <i>content://contacts/1</i></b> -- Edit 93 * information about the person whose identifier is "1".</p> 94 * </li> 95 * <li> <p><b>{@link #ACTION_VIEW} <i>content://contacts/</i></b> -- Display 96 * a list of people, which the user can browse through. This example is a 97 * typical top-level entry into the Contacts application, showing you the 98 * list of people. Selecting a particular person to view would result in a 99 * new intent { <b>{@link #ACTION_VIEW} <i>content://contacts/N</i></b> } 100 * being used to start an activity to display that person.</p> 101 * </li> 102 * </ul> 103 * 104 * <p>In addition to these primary attributes, there are a number of secondary 105 * attributes that you can also include with an intent:</p> 106 * 107 * <ul> 108 * <li> <p><b>category</b> -- Gives additional information about the action 109 * to execute. For example, {@link #CATEGORY_LAUNCHER} means it should 110 * appear in the Launcher as a top-level application, while 111 * {@link #CATEGORY_ALTERNATIVE} means it should be included in a list 112 * of alternative actions the user can perform on a piece of data.</p> 113 * <li> <p><b>type</b> -- Specifies an explicit type (a MIME type) of the 114 * intent data. Normally the type is inferred from the data itself. 115 * By setting this attribute, you disable that evaluation and force 116 * an explicit type.</p> 117 * <li> <p><b>component</b> -- Specifies an explicit name of a component 118 * class to use for the intent. Normally this is determined by looking 119 * at the other information in the intent (the action, data/type, and 120 * categories) and matching that with a component that can handle it. 121 * If this attribute is set then none of the evaluation is performed, 122 * and this component is used exactly as is. By specifying this attribute, 123 * all of the other Intent attributes become optional.</p> 124 * <li> <p><b>extras</b> -- This is a {@link Bundle} of any additional information. 125 * This can be used to provide extended information to the component. 126 * For example, if we have a action to send an e-mail message, we could 127 * also include extra pieces of data here to supply a subject, body, 128 * etc.</p> 129 * </ul> 130 * 131 * <p>Here are some examples of other operations you can specify as intents 132 * using these additional parameters:</p> 133 * 134 * <ul> 135 * <li> <p><b>{@link #ACTION_MAIN} with category {@link #CATEGORY_HOME}</b> -- 136 * Launch the home screen.</p> 137 * </li> 138 * <li> <p><b>{@link #ACTION_GET_CONTENT} with MIME type 139 * <i>{@link android.provider.Contacts.Phones#CONTENT_URI 140 * vnd.android.cursor.item/phone}</i></b> 141 * -- Display the list of people's phone numbers, allowing the user to 142 * browse through them and pick one and return it to the parent activity.</p> 143 * </li> 144 * <li> <p><b>{@link #ACTION_GET_CONTENT} with MIME type 145 * <i>*{@literal /}*</i> and category {@link #CATEGORY_OPENABLE}</b> 146 * -- Display all pickers for data that can be opened with 147 * {@link ContentResolver#openInputStream(Uri) ContentResolver.openInputStream()}, 148 * allowing the user to pick one of them and then some data inside of it 149 * and returning the resulting URI to the caller. This can be used, 150 * for example, in an e-mail application to allow the user to pick some 151 * data to include as an attachment.</p> 152 * </li> 153 * </ul> 154 * 155 * <p>There are a variety of standard Intent action and category constants 156 * defined in the Intent class, but applications can also define their own. 157 * These strings use java style scoping, to ensure they are unique -- for 158 * example, the standard {@link #ACTION_VIEW} is called 159 * "android.app.action.VIEW".</p> 160 * 161 * <p>Put together, the set of actions, data types, categories, and extra data 162 * defines a language for the system allowing for the expression of phrases 163 * such as "call john smith's cell". As applications are added to the system, 164 * they can extend this language by adding new actions, types, and categories, or 165 * they can modify the behavior of existing phrases by supplying their own 166 * activities that handle them.</p> 167 * 168 * <a name="IntentResolution"></a> 169 * <h3>Intent Resolution</h3> 170 * 171 * <p>There are two primary forms of intents you will use. 172 * 173 * <ul> 174 * <li> <p><b>Explicit Intents</b> have specified a component (via 175 * {@link #setComponent} or {@link #setClass}), which provides the exact 176 * class to be run. Often these will not include any other information, 177 * simply being a way for an application to launch various internal 178 * activities it has as the user interacts with the application. 179 * 180 * <li> <p><b>Implicit Intents</b> have not specified a component; 181 * instead, they must include enough information for the system to 182 * determine which of the available components is best to run for that 183 * intent. 184 * </ul> 185 * 186 * <p>When using implicit intents, given such an arbitrary intent we need to 187 * know what to do with it. This is handled by the process of <em>Intent 188 * resolution</em>, which maps an Intent to an {@link android.app.Activity}, 189 * {@link BroadcastReceiver}, or {@link android.app.Service} (or sometimes two or 190 * more activities/receivers) that can handle it.</p> 191 * 192 * <p>The intent resolution mechanism basically revolves around matching an 193 * Intent against all of the <intent-filter> descriptions in the 194 * installed application packages. (Plus, in the case of broadcasts, any {@link BroadcastReceiver} 195 * objects explicitly registered with {@link Context#registerReceiver}.) More 196 * details on this can be found in the documentation on the {@link 197 * IntentFilter} class.</p> 198 * 199 * <p>There are three pieces of information in the Intent that are used for 200 * resolution: the action, type, and category. Using this information, a query 201 * is done on the {@link PackageManager} for a component that can handle the 202 * intent. The appropriate component is determined based on the intent 203 * information supplied in the <code>AndroidManifest.xml</code> file as 204 * follows:</p> 205 * 206 * <ul> 207 * <li> <p>The <b>action</b>, if given, must be listed by the component as 208 * one it handles.</p> 209 * <li> <p>The <b>type</b> is retrieved from the Intent's data, if not 210 * already supplied in the Intent. Like the action, if a type is 211 * included in the intent (either explicitly or implicitly in its 212 * data), then this must be listed by the component as one it handles.</p> 213 * <li> For data that is not a <code>content:</code> URI and where no explicit 214 * type is included in the Intent, instead the <b>scheme</b> of the 215 * intent data (such as <code>http:</code> or <code>mailto:</code>) is 216 * considered. Again like the action, if we are matching a scheme it 217 * must be listed by the component as one it can handle. 218 * <li> <p>The <b>categories</b>, if supplied, must <em>all</em> be listed 219 * by the activity as categories it handles. That is, if you include 220 * the categories {@link #CATEGORY_LAUNCHER} and 221 * {@link #CATEGORY_ALTERNATIVE}, then you will only resolve to components 222 * with an intent that lists <em>both</em> of those categories. 223 * Activities will very often need to support the 224 * {@link #CATEGORY_DEFAULT} so that they can be found by 225 * {@link Context#startActivity Context.startActivity()}.</p> 226 * </ul> 227 * 228 * <p>For example, consider the Note Pad sample application that 229 * allows user to browse through a list of notes data and view details about 230 * individual items. Text in italics indicate places were you would replace a 231 * name with one specific to your own package.</p> 232 * 233 * <pre> <manifest xmlns:android="http://schemas.android.com/apk/res/android" 234 * package="<i>com.android.notepad</i>"> 235 * <application android:icon="@drawable/app_notes" 236 * android:label="@string/app_name"> 237 * 238 * <provider class=".NotePadProvider" 239 * android:authorities="<i>com.google.provider.NotePad</i>" /> 240 * 241 * <activity class=".NotesList" android:label="@string/title_notes_list"> 242 * <intent-filter> 243 * <action android:name="android.intent.action.MAIN" /> 244 * <category android:name="android.intent.category.LAUNCHER" /> 245 * </intent-filter> 246 * <intent-filter> 247 * <action android:name="android.intent.action.VIEW" /> 248 * <action android:name="android.intent.action.EDIT" /> 249 * <action android:name="android.intent.action.PICK" /> 250 * <category android:name="android.intent.category.DEFAULT" /> 251 * <data android:mimeType="vnd.android.cursor.dir/<i>vnd.google.note</i>" /> 252 * </intent-filter> 253 * <intent-filter> 254 * <action android:name="android.intent.action.GET_CONTENT" /> 255 * <category android:name="android.intent.category.DEFAULT" /> 256 * <data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /> 257 * </intent-filter> 258 * </activity> 259 * 260 * <activity class=".NoteEditor" android:label="@string/title_note"> 261 * <intent-filter android:label="@string/resolve_edit"> 262 * <action android:name="android.intent.action.VIEW" /> 263 * <action android:name="android.intent.action.EDIT" /> 264 * <category android:name="android.intent.category.DEFAULT" /> 265 * <data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /> 266 * </intent-filter> 267 * 268 * <intent-filter> 269 * <action android:name="android.intent.action.INSERT" /> 270 * <category android:name="android.intent.category.DEFAULT" /> 271 * <data android:mimeType="vnd.android.cursor.dir/<i>vnd.google.note</i>" /> 272 * </intent-filter> 273 * 274 * </activity> 275 * 276 * <activity class=".TitleEditor" android:label="@string/title_edit_title" 277 * android:theme="@android:style/Theme.Dialog"> 278 * <intent-filter android:label="@string/resolve_title"> 279 * <action android:name="<i>com.android.notepad.action.EDIT_TITLE</i>" /> 280 * <category android:name="android.intent.category.DEFAULT" /> 281 * <category android:name="android.intent.category.ALTERNATIVE" /> 282 * <category android:name="android.intent.category.SELECTED_ALTERNATIVE" /> 283 * <data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /> 284 * </intent-filter> 285 * </activity> 286 * 287 * </application> 288 * </manifest></pre> 289 * 290 * <p>The first activity, 291 * <code>com.android.notepad.NotesList</code>, serves as our main 292 * entry into the app. It can do three things as described by its three intent 293 * templates: 294 * <ol> 295 * <li><pre> 296 * <intent-filter> 297 * <action android:name="{@link #ACTION_MAIN android.intent.action.MAIN}" /> 298 * <category android:name="{@link #CATEGORY_LAUNCHER android.intent.category.LAUNCHER}" /> 299 * </intent-filter></pre> 300 * <p>This provides a top-level entry into the NotePad application: the standard 301 * MAIN action is a main entry point (not requiring any other information in 302 * the Intent), and the LAUNCHER category says that this entry point should be 303 * listed in the application launcher.</p> 304 * <li><pre> 305 * <intent-filter> 306 * <action android:name="{@link #ACTION_VIEW android.intent.action.VIEW}" /> 307 * <action android:name="{@link #ACTION_EDIT android.intent.action.EDIT}" /> 308 * <action android:name="{@link #ACTION_PICK android.intent.action.PICK}" /> 309 * <category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /> 310 * <data mimeType:name="vnd.android.cursor.dir/<i>vnd.google.note</i>" /> 311 * </intent-filter></pre> 312 * <p>This declares the things that the activity can do on a directory of 313 * notes. The type being supported is given with the <type> tag, where 314 * <code>vnd.android.cursor.dir/vnd.google.note</code> is a URI from which 315 * a Cursor of zero or more items (<code>vnd.android.cursor.dir</code>) can 316 * be retrieved which holds our note pad data (<code>vnd.google.note</code>). 317 * The activity allows the user to view or edit the directory of data (via 318 * the VIEW and EDIT actions), or to pick a particular note and return it 319 * to the caller (via the PICK action). Note also the DEFAULT category 320 * supplied here: this is <em>required</em> for the 321 * {@link Context#startActivity Context.startActivity} method to resolve your 322 * activity when its component name is not explicitly specified.</p> 323 * <li><pre> 324 * <intent-filter> 325 * <action android:name="{@link #ACTION_GET_CONTENT android.intent.action.GET_CONTENT}" /> 326 * <category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /> 327 * <data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /> 328 * </intent-filter></pre> 329 * <p>This filter describes the ability return to the caller a note selected by 330 * the user without needing to know where it came from. The data type 331 * <code>vnd.android.cursor.item/vnd.google.note</code> is a URI from which 332 * a Cursor of exactly one (<code>vnd.android.cursor.item</code>) item can 333 * be retrieved which contains our note pad data (<code>vnd.google.note</code>). 334 * The GET_CONTENT action is similar to the PICK action, where the activity 335 * will return to its caller a piece of data selected by the user. Here, 336 * however, the caller specifies the type of data they desire instead of 337 * the type of data the user will be picking from.</p> 338 * </ol> 339 * 340 * <p>Given these capabilities, the following intents will resolve to the 341 * NotesList activity:</p> 342 * 343 * <ul> 344 * <li> <p><b>{ action=android.app.action.MAIN }</b> matches all of the 345 * activities that can be used as top-level entry points into an 346 * application.</p> 347 * <li> <p><b>{ action=android.app.action.MAIN, 348 * category=android.app.category.LAUNCHER }</b> is the actual intent 349 * used by the Launcher to populate its top-level list.</p> 350 * <li> <p><b>{ action=android.app.action.VIEW 351 * data=content://com.google.provider.NotePad/notes }</b> 352 * displays a list of all the notes under 353 * "content://com.google.provider.NotePad/notes", which 354 * the user can browse through and see the details on.</p> 355 * <li> <p><b>{ action=android.app.action.PICK 356 * data=content://com.google.provider.NotePad/notes }</b> 357 * provides a list of the notes under 358 * "content://com.google.provider.NotePad/notes", from which 359 * the user can pick a note whose data URL is returned back to the caller.</p> 360 * <li> <p><b>{ action=android.app.action.GET_CONTENT 361 * type=vnd.android.cursor.item/vnd.google.note }</b> 362 * is similar to the pick action, but allows the caller to specify the 363 * kind of data they want back so that the system can find the appropriate 364 * activity to pick something of that data type.</p> 365 * </ul> 366 * 367 * <p>The second activity, 368 * <code>com.android.notepad.NoteEditor</code>, shows the user a single 369 * note entry and allows them to edit it. It can do two things as described 370 * by its two intent templates: 371 * <ol> 372 * <li><pre> 373 * <intent-filter android:label="@string/resolve_edit"> 374 * <action android:name="{@link #ACTION_VIEW android.intent.action.VIEW}" /> 375 * <action android:name="{@link #ACTION_EDIT android.intent.action.EDIT}" /> 376 * <category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /> 377 * <data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /> 378 * </intent-filter></pre> 379 * <p>The first, primary, purpose of this activity is to let the user interact 380 * with a single note, as decribed by the MIME type 381 * <code>vnd.android.cursor.item/vnd.google.note</code>. The activity can 382 * either VIEW a note or allow the user to EDIT it. Again we support the 383 * DEFAULT category to allow the activity to be launched without explicitly 384 * specifying its component.</p> 385 * <li><pre> 386 * <intent-filter> 387 * <action android:name="{@link #ACTION_INSERT android.intent.action.INSERT}" /> 388 * <category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /> 389 * <data android:mimeType="vnd.android.cursor.dir/<i>vnd.google.note</i>" /> 390 * </intent-filter></pre> 391 * <p>The secondary use of this activity is to insert a new note entry into 392 * an existing directory of notes. This is used when the user creates a new 393 * note: the INSERT action is executed on the directory of notes, causing 394 * this activity to run and have the user create the new note data which 395 * it then adds to the content provider.</p> 396 * </ol> 397 * 398 * <p>Given these capabilities, the following intents will resolve to the 399 * NoteEditor activity:</p> 400 * 401 * <ul> 402 * <li> <p><b>{ action=android.app.action.VIEW 403 * data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b> 404 * shows the user the content of note <var>{ID}</var>.</p> 405 * <li> <p><b>{ action=android.app.action.EDIT 406 * data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b> 407 * allows the user to edit the content of note <var>{ID}</var>.</p> 408 * <li> <p><b>{ action=android.app.action.INSERT 409 * data=content://com.google.provider.NotePad/notes }</b> 410 * creates a new, empty note in the notes list at 411 * "content://com.google.provider.NotePad/notes" 412 * and allows the user to edit it. If they keep their changes, the URI 413 * of the newly created note is returned to the caller.</p> 414 * </ul> 415 * 416 * <p>The last activity, 417 * <code>com.android.notepad.TitleEditor</code>, allows the user to 418 * edit the title of a note. This could be implemented as a class that the 419 * application directly invokes (by explicitly setting its component in 420 * the Intent), but here we show a way you can publish alternative 421 * operations on existing data:</p> 422 * 423 * <pre> 424 * <intent-filter android:label="@string/resolve_title"> 425 * <action android:name="<i>com.android.notepad.action.EDIT_TITLE</i>" /> 426 * <category android:name="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /> 427 * <category android:name="{@link #CATEGORY_ALTERNATIVE android.intent.category.ALTERNATIVE}" /> 428 * <category android:name="{@link #CATEGORY_SELECTED_ALTERNATIVE android.intent.category.SELECTED_ALTERNATIVE}" /> 429 * <data android:mimeType="vnd.android.cursor.item/<i>vnd.google.note</i>" /> 430 * </intent-filter></pre> 431 * 432 * <p>In the single intent template here, we 433 * have created our own private action called 434 * <code>com.android.notepad.action.EDIT_TITLE</code> which means to 435 * edit the title of a note. It must be invoked on a specific note 436 * (data type <code>vnd.android.cursor.item/vnd.google.note</code>) like the previous 437 * view and edit actions, but here displays and edits the title contained 438 * in the note data. 439 * 440 * <p>In addition to supporting the default category as usual, our title editor 441 * also supports two other standard categories: ALTERNATIVE and 442 * SELECTED_ALTERNATIVE. Implementing 443 * these categories allows others to find the special action it provides 444 * without directly knowing about it, through the 445 * {@link android.content.pm.PackageManager#queryIntentActivityOptions} method, or 446 * more often to build dynamic menu items with 447 * {@link android.view.Menu#addIntentOptions}. Note that in the intent 448 * template here was also supply an explicit name for the template 449 * (via <code>android:label="@string/resolve_title"</code>) to better control 450 * what the user sees when presented with this activity as an alternative 451 * action to the data they are viewing. 452 * 453 * <p>Given these capabilities, the following intent will resolve to the 454 * TitleEditor activity:</p> 455 * 456 * <ul> 457 * <li> <p><b>{ action=com.android.notepad.action.EDIT_TITLE 458 * data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b> 459 * displays and allows the user to edit the title associated 460 * with note <var>{ID}</var>.</p> 461 * </ul> 462 * 463 * <h3>Standard Activity Actions</h3> 464 * 465 * <p>These are the current standard actions that Intent defines for launching 466 * activities (usually through {@link Context#startActivity}. The most 467 * important, and by far most frequently used, are {@link #ACTION_MAIN} and 468 * {@link #ACTION_EDIT}. 469 * 470 * <ul> 471 * <li> {@link #ACTION_MAIN} 472 * <li> {@link #ACTION_VIEW} 473 * <li> {@link #ACTION_ATTACH_DATA} 474 * <li> {@link #ACTION_EDIT} 475 * <li> {@link #ACTION_PICK} 476 * <li> {@link #ACTION_CHOOSER} 477 * <li> {@link #ACTION_GET_CONTENT} 478 * <li> {@link #ACTION_DIAL} 479 * <li> {@link #ACTION_CALL} 480 * <li> {@link #ACTION_SEND} 481 * <li> {@link #ACTION_SENDTO} 482 * <li> {@link #ACTION_ANSWER} 483 * <li> {@link #ACTION_INSERT} 484 * <li> {@link #ACTION_DELETE} 485 * <li> {@link #ACTION_RUN} 486 * <li> {@link #ACTION_SYNC} 487 * <li> {@link #ACTION_PICK_ACTIVITY} 488 * <li> {@link #ACTION_SEARCH} 489 * <li> {@link #ACTION_WEB_SEARCH} 490 * <li> {@link #ACTION_FACTORY_TEST} 491 * </ul> 492 * 493 * <h3>Standard Broadcast Actions</h3> 494 * 495 * <p>These are the current standard actions that Intent defines for receiving 496 * broadcasts (usually through {@link Context#registerReceiver} or a 497 * <receiver> tag in a manifest). 498 * 499 * <ul> 500 * <li> {@link #ACTION_TIME_TICK} 501 * <li> {@link #ACTION_TIME_CHANGED} 502 * <li> {@link #ACTION_TIMEZONE_CHANGED} 503 * <li> {@link #ACTION_BOOT_COMPLETED} 504 * <li> {@link #ACTION_PACKAGE_ADDED} 505 * <li> {@link #ACTION_PACKAGE_CHANGED} 506 * <li> {@link #ACTION_PACKAGE_REMOVED} 507 * <li> {@link #ACTION_PACKAGE_RESTARTED} 508 * <li> {@link #ACTION_PACKAGE_DATA_CLEARED} 509 * <li> {@link #ACTION_UID_REMOVED} 510 * <li> {@link #ACTION_BATTERY_CHANGED} 511 * <li> {@link #ACTION_POWER_CONNECTED} 512 * <li> {@link #ACTION_POWER_DISCONNECTED} 513 * <li> {@link #ACTION_SHUTDOWN} 514 * </ul> 515 * 516 * <h3>Standard Categories</h3> 517 * 518 * <p>These are the current standard categories that can be used to further 519 * clarify an Intent via {@link #addCategory}. 520 * 521 * <ul> 522 * <li> {@link #CATEGORY_DEFAULT} 523 * <li> {@link #CATEGORY_BROWSABLE} 524 * <li> {@link #CATEGORY_TAB} 525 * <li> {@link #CATEGORY_ALTERNATIVE} 526 * <li> {@link #CATEGORY_SELECTED_ALTERNATIVE} 527 * <li> {@link #CATEGORY_LAUNCHER} 528 * <li> {@link #CATEGORY_INFO} 529 * <li> {@link #CATEGORY_HOME} 530 * <li> {@link #CATEGORY_PREFERENCE} 531 * <li> {@link #CATEGORY_TEST} 532 * </ul> 533 * 534 * <h3>Standard Extra Data</h3> 535 * 536 * <p>These are the current standard fields that can be used as extra data via 537 * {@link #putExtra}. 538 * 539 * <ul> 540 * <li> {@link #EXTRA_TEMPLATE} 541 * <li> {@link #EXTRA_INTENT} 542 * <li> {@link #EXTRA_STREAM} 543 * <li> {@link #EXTRA_TEXT} 544 * </ul> 545 * 546 * <h3>Flags</h3> 547 * 548 * <p>These are the possible flags that can be used in the Intent via 549 * {@link #setFlags} and {@link #addFlags}. See {@link #setFlags} for a list 550 * of all possible flags. 551 */ 552public class Intent implements Parcelable { 553 // --------------------------------------------------------------------- 554 // --------------------------------------------------------------------- 555 // Standard intent activity actions (see action variable). 556 557 /** 558 * Activity Action: Start as a main entry point, does not expect to 559 * receive data. 560 * <p>Input: nothing 561 * <p>Output: nothing 562 */ 563 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 564 public static final String ACTION_MAIN = "android.intent.action.MAIN"; 565 566 /** 567 * Activity Action: Display the data to the user. This is the most common 568 * action performed on data -- it is the generic action you can use on 569 * a piece of data to get the most reasonable thing to occur. For example, 570 * when used on a contacts entry it will view the entry; when used on a 571 * mailto: URI it will bring up a compose window filled with the information 572 * supplied by the URI; when used with a tel: URI it will invoke the 573 * dialer. 574 * <p>Input: {@link #getData} is URI from which to retrieve data. 575 * <p>Output: nothing. 576 */ 577 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 578 public static final String ACTION_VIEW = "android.intent.action.VIEW"; 579 580 /** 581 * A synonym for {@link #ACTION_VIEW}, the "standard" action that is 582 * performed on a piece of data. 583 */ 584 public static final String ACTION_DEFAULT = ACTION_VIEW; 585 586 /** 587 * Used to indicate that some piece of data should be attached to some other 588 * place. For example, image data could be attached to a contact. It is up 589 * to the recipient to decide where the data should be attached; the intent 590 * does not specify the ultimate destination. 591 * <p>Input: {@link #getData} is URI of data to be attached. 592 * <p>Output: nothing. 593 */ 594 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 595 public static final String ACTION_ATTACH_DATA = "android.intent.action.ATTACH_DATA"; 596 597 /** 598 * Activity Action: Provide explicit editable access to the given data. 599 * <p>Input: {@link #getData} is URI of data to be edited. 600 * <p>Output: nothing. 601 */ 602 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 603 public static final String ACTION_EDIT = "android.intent.action.EDIT"; 604 605 /** 606 * Activity Action: Pick an existing item, or insert a new item, and then edit it. 607 * <p>Input: {@link #getType} is the desired MIME type of the item to create or edit. 608 * The extras can contain type specific data to pass through to the editing/creating 609 * activity. 610 * <p>Output: The URI of the item that was picked. This must be a content: 611 * URI so that any receiver can access it. 612 */ 613 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 614 public static final String ACTION_INSERT_OR_EDIT = "android.intent.action.INSERT_OR_EDIT"; 615 616 /** 617 * Activity Action: Pick an item from the data, returning what was selected. 618 * <p>Input: {@link #getData} is URI containing a directory of data 619 * (vnd.android.cursor.dir/*) from which to pick an item. 620 * <p>Output: The URI of the item that was picked. 621 */ 622 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 623 public static final String ACTION_PICK = "android.intent.action.PICK"; 624 625 /** 626 * Activity Action: Creates a shortcut. 627 * <p>Input: Nothing.</p> 628 * <p>Output: An Intent representing the shortcut. The intent must contain three 629 * extras: SHORTCUT_INTENT (value: Intent), SHORTCUT_NAME (value: String), 630 * and SHORTCUT_ICON (value: Bitmap) or SHORTCUT_ICON_RESOURCE 631 * (value: ShortcutIconResource).</p> 632 * 633 * @see #EXTRA_SHORTCUT_INTENT 634 * @see #EXTRA_SHORTCUT_NAME 635 * @see #EXTRA_SHORTCUT_ICON 636 * @see #EXTRA_SHORTCUT_ICON_RESOURCE 637 * @see android.content.Intent.ShortcutIconResource 638 */ 639 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 640 public static final String ACTION_CREATE_SHORTCUT = "android.intent.action.CREATE_SHORTCUT"; 641 642 /** 643 * The name of the extra used to define the Intent of a shortcut. 644 * 645 * @see #ACTION_CREATE_SHORTCUT 646 */ 647 public static final String EXTRA_SHORTCUT_INTENT = "android.intent.extra.shortcut.INTENT"; 648 /** 649 * The name of the extra used to define the name of a shortcut. 650 * 651 * @see #ACTION_CREATE_SHORTCUT 652 */ 653 public static final String EXTRA_SHORTCUT_NAME = "android.intent.extra.shortcut.NAME"; 654 /** 655 * The name of the extra used to define the icon, as a Bitmap, of a shortcut. 656 * 657 * @see #ACTION_CREATE_SHORTCUT 658 */ 659 public static final String EXTRA_SHORTCUT_ICON = "android.intent.extra.shortcut.ICON"; 660 /** 661 * The name of the extra used to define the icon, as a ShortcutIconResource, of a shortcut. 662 * 663 * @see #ACTION_CREATE_SHORTCUT 664 * @see android.content.Intent.ShortcutIconResource 665 */ 666 public static final String EXTRA_SHORTCUT_ICON_RESOURCE = 667 "android.intent.extra.shortcut.ICON_RESOURCE"; 668 669 /** 670 * Represents a shortcut/live folder icon resource. 671 * 672 * @see Intent#ACTION_CREATE_SHORTCUT 673 * @see Intent#EXTRA_SHORTCUT_ICON_RESOURCE 674 * @see android.provider.LiveFolders#ACTION_CREATE_LIVE_FOLDER 675 * @see android.provider.LiveFolders#EXTRA_LIVE_FOLDER_ICON 676 */ 677 public static class ShortcutIconResource implements Parcelable { 678 /** 679 * The package name of the application containing the icon. 680 */ 681 public String packageName; 682 683 /** 684 * The resource name of the icon, including package, name and type. 685 */ 686 public String resourceName; 687 688 /** 689 * Creates a new ShortcutIconResource for the specified context and resource 690 * identifier. 691 * 692 * @param context The context of the application. 693 * @param resourceId The resource idenfitier for the icon. 694 * @return A new ShortcutIconResource with the specified's context package name 695 * and icon resource idenfitier. 696 */ 697 public static ShortcutIconResource fromContext(Context context, int resourceId) { 698 ShortcutIconResource icon = new ShortcutIconResource(); 699 icon.packageName = context.getPackageName(); 700 icon.resourceName = context.getResources().getResourceName(resourceId); 701 return icon; 702 } 703 704 /** 705 * Used to read a ShortcutIconResource from a Parcel. 706 */ 707 public static final Parcelable.Creator<ShortcutIconResource> CREATOR = 708 new Parcelable.Creator<ShortcutIconResource>() { 709 710 public ShortcutIconResource createFromParcel(Parcel source) { 711 ShortcutIconResource icon = new ShortcutIconResource(); 712 icon.packageName = source.readString(); 713 icon.resourceName = source.readString(); 714 return icon; 715 } 716 717 public ShortcutIconResource[] newArray(int size) { 718 return new ShortcutIconResource[size]; 719 } 720 }; 721 722 /** 723 * No special parcel contents. 724 */ 725 public int describeContents() { 726 return 0; 727 } 728 729 public void writeToParcel(Parcel dest, int flags) { 730 dest.writeString(packageName); 731 dest.writeString(resourceName); 732 } 733 734 @Override 735 public String toString() { 736 return resourceName; 737 } 738 } 739 740 /** 741 * Activity Action: Display an activity chooser, allowing the user to pick 742 * what they want to before proceeding. This can be used as an alternative 743 * to the standard activity picker that is displayed by the system when 744 * you try to start an activity with multiple possible matches, with these 745 * differences in behavior: 746 * <ul> 747 * <li>You can specify the title that will appear in the activity chooser. 748 * <li>The user does not have the option to make one of the matching 749 * activities a preferred activity, and all possible activities will 750 * always be shown even if one of them is currently marked as the 751 * preferred activity. 752 * </ul> 753 * <p> 754 * This action should be used when the user will naturally expect to 755 * select an activity in order to proceed. An example if when not to use 756 * it is when the user clicks on a "mailto:" link. They would naturally 757 * expect to go directly to their mail app, so startActivity() should be 758 * called directly: it will 759 * either launch the current preferred app, or put up a dialog allowing the 760 * user to pick an app to use and optionally marking that as preferred. 761 * <p> 762 * In contrast, if the user is selecting a menu item to send a picture 763 * they are viewing to someone else, there are many different things they 764 * may want to do at this point: send it through e-mail, upload it to a 765 * web service, etc. In this case the CHOOSER action should be used, to 766 * always present to the user a list of the things they can do, with a 767 * nice title given by the caller such as "Send this photo with:". 768 * <p> 769 * As a convenience, an Intent of this form can be created with the 770 * {@link #createChooser} function. 771 * <p>Input: No data should be specified. get*Extra must have 772 * a {@link #EXTRA_INTENT} field containing the Intent being executed, 773 * and can optionally have a {@link #EXTRA_TITLE} field containing the 774 * title text to display in the chooser. 775 * <p>Output: Depends on the protocol of {@link #EXTRA_INTENT}. 776 */ 777 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 778 public static final String ACTION_CHOOSER = "android.intent.action.CHOOSER"; 779 780 /** 781 * Convenience function for creating a {@link #ACTION_CHOOSER} Intent. 782 * 783 * @param target The Intent that the user will be selecting an activity 784 * to perform. 785 * @param title Optional title that will be displayed in the chooser. 786 * @return Return a new Intent object that you can hand to 787 * {@link Context#startActivity(Intent) Context.startActivity()} and 788 * related methods. 789 */ 790 public static Intent createChooser(Intent target, CharSequence title) { 791 Intent intent = new Intent(ACTION_CHOOSER); 792 intent.putExtra(EXTRA_INTENT, target); 793 if (title != null) { 794 intent.putExtra(EXTRA_TITLE, title); 795 } 796 return intent; 797 } 798 /** 799 * Activity Action: Allow the user to select a particular kind of data and 800 * return it. This is different than {@link #ACTION_PICK} in that here we 801 * just say what kind of data is desired, not a URI of existing data from 802 * which the user can pick. A ACTION_GET_CONTENT could allow the user to 803 * create the data as it runs (for example taking a picture or recording a 804 * sound), let them browser over the web and download the desired data, 805 * etc. 806 * <p> 807 * There are two main ways to use this action: if you want an specific kind 808 * of data, such as a person contact, you set the MIME type to the kind of 809 * data you want and launch it with {@link Context#startActivity(Intent)}. 810 * The system will then launch the best application to select that kind 811 * of data for you. 812 * <p> 813 * You may also be interested in any of a set of types of content the user 814 * can pick. For example, an e-mail application that wants to allow the 815 * user to add an attachment to an e-mail message can use this action to 816 * bring up a list of all of the types of content the user can attach. 817 * <p> 818 * In this case, you should wrap the GET_CONTENT intent with a chooser 819 * (through {@link #createChooser}), which will give the proper interface 820 * for the user to pick how to send your data and allow you to specify 821 * a prompt indicating what they are doing. You will usually specify a 822 * broad MIME type (such as image/* or {@literal *}/*), resulting in a 823 * broad range of content types the user can select from. 824 * <p> 825 * When using such a broad GET_CONTENT action, it is often desireable to 826 * only pick from data that can be represented as a stream. This is 827 * accomplished by requiring the {@link #CATEGORY_OPENABLE} in the Intent. 828 * <p> 829 * Input: {@link #getType} is the desired MIME type to retrieve. Note 830 * that no URI is supplied in the intent, as there are no constraints on 831 * where the returned data originally comes from. You may also include the 832 * {@link #CATEGORY_OPENABLE} if you can only accept data that can be 833 * opened as a stream. 834 * <p> 835 * Output: The URI of the item that was picked. This must be a content: 836 * URI so that any receiver can access it. 837 */ 838 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 839 public static final String ACTION_GET_CONTENT = "android.intent.action.GET_CONTENT"; 840 /** 841 * Activity Action: Dial a number as specified by the data. This shows a 842 * UI with the number being dialed, allowing the user to explicitly 843 * initiate the call. 844 * <p>Input: If nothing, an empty dialer is started; else {@link #getData} 845 * is URI of a phone number to be dialed or a tel: URI of an explicit phone 846 * number. 847 * <p>Output: nothing. 848 */ 849 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 850 public static final String ACTION_DIAL = "android.intent.action.DIAL"; 851 /** 852 * Activity Action: Perform a call to someone specified by the data. 853 * <p>Input: If nothing, an empty dialer is started; else {@link #getData} 854 * is URI of a phone number to be dialed or a tel: URI of an explicit phone 855 * number. 856 * <p>Output: nothing. 857 * 858 * <p>Note: there will be restrictions on which applications can initiate a 859 * call; most applications should use the {@link #ACTION_DIAL}. 860 * <p>Note: this Intent <strong>cannot</strong> be used to call emergency 861 * numbers. Applications can <strong>dial</strong> emergency numbers using 862 * {@link #ACTION_DIAL}, however. 863 */ 864 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 865 public static final String ACTION_CALL = "android.intent.action.CALL"; 866 /** 867 * Activity Action: Perform a call to an emergency number specified by the 868 * data. 869 * <p>Input: {@link #getData} is URI of a phone number to be dialed or a 870 * tel: URI of an explicit phone number. 871 * <p>Output: nothing. 872 * @hide 873 */ 874 public static final String ACTION_CALL_EMERGENCY = "android.intent.action.CALL_EMERGENCY"; 875 /** 876 * Activity action: Perform a call to any number (emergency or not) 877 * specified by the data. 878 * <p>Input: {@link #getData} is URI of a phone number to be dialed or a 879 * tel: URI of an explicit phone number. 880 * <p>Output: nothing. 881 * @hide 882 */ 883 public static final String ACTION_CALL_PRIVILEGED = "android.intent.action.CALL_PRIVILEGED"; 884 /** 885 * Activity Action: Send a message to someone specified by the data. 886 * <p>Input: {@link #getData} is URI describing the target. 887 * <p>Output: nothing. 888 */ 889 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 890 public static final String ACTION_SENDTO = "android.intent.action.SENDTO"; 891 /** 892 * Activity Action: Deliver some data to someone else. Who the data is 893 * being delivered to is not specified; it is up to the receiver of this 894 * action to ask the user where the data should be sent. 895 * <p> 896 * When launching a SEND intent, you should usually wrap it in a chooser 897 * (through {@link #createChooser}), which will give the proper interface 898 * for the user to pick how to send your data and allow you to specify 899 * a prompt indicating what they are doing. 900 * <p> 901 * Input: {@link #getType} is the MIME type of the data being sent. 902 * get*Extra can have either a {@link #EXTRA_TEXT} 903 * or {@link #EXTRA_STREAM} field, containing the data to be sent. If 904 * using EXTRA_TEXT, the MIME type should be "text/plain"; otherwise it 905 * should be the MIME type of the data in EXTRA_STREAM. Use {@literal *}/* 906 * if the MIME type is unknown (this will only allow senders that can 907 * handle generic data streams). 908 * <p> 909 * Optional standard extras, which may be interpreted by some recipients as 910 * appropriate, are: {@link #EXTRA_EMAIL}, {@link #EXTRA_CC}, 911 * {@link #EXTRA_BCC}, {@link #EXTRA_SUBJECT}. 912 * <p> 913 * Output: nothing. 914 */ 915 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 916 public static final String ACTION_SEND = "android.intent.action.SEND"; 917 /** 918 * Activity Action: Deliver multiple data to someone else. 919 * <p> 920 * Like ACTION_SEND, except the data is multiple. 921 * <p> 922 * Input: {@link #getType} is the MIME type of the data being sent. 923 * get*ArrayListExtra can have either a {@link #EXTRA_TEXT} or {@link 924 * #EXTRA_STREAM} field, containing the data to be sent. 925 * <p> 926 * Optional standard extras, which may be interpreted by some recipients as 927 * appropriate, are: {@link #EXTRA_EMAIL}, {@link #EXTRA_CC}, 928 * {@link #EXTRA_BCC}, {@link #EXTRA_SUBJECT}. 929 * <p> 930 * Output: nothing. 931 */ 932 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 933 public static final String ACTION_SEND_MULTIPLE = "android.intent.action.SEND_MULTIPLE"; 934 /** 935 * Activity Action: Handle an incoming phone call. 936 * <p>Input: nothing. 937 * <p>Output: nothing. 938 */ 939 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 940 public static final String ACTION_ANSWER = "android.intent.action.ANSWER"; 941 /** 942 * Activity Action: Insert an empty item into the given container. 943 * <p>Input: {@link #getData} is URI of the directory (vnd.android.cursor.dir/*) 944 * in which to place the data. 945 * <p>Output: URI of the new data that was created. 946 */ 947 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 948 public static final String ACTION_INSERT = "android.intent.action.INSERT"; 949 /** 950 * Activity Action: Delete the given data from its container. 951 * <p>Input: {@link #getData} is URI of data to be deleted. 952 * <p>Output: nothing. 953 */ 954 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 955 public static final String ACTION_DELETE = "android.intent.action.DELETE"; 956 /** 957 * Activity Action: Run the data, whatever that means. 958 * <p>Input: ? (Note: this is currently specific to the test harness.) 959 * <p>Output: nothing. 960 */ 961 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 962 public static final String ACTION_RUN = "android.intent.action.RUN"; 963 /** 964 * Activity Action: Perform a data synchronization. 965 * <p>Input: ? 966 * <p>Output: ? 967 */ 968 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 969 public static final String ACTION_SYNC = "android.intent.action.SYNC"; 970 /** 971 * Activity Action: Pick an activity given an intent, returning the class 972 * selected. 973 * <p>Input: get*Extra field {@link #EXTRA_INTENT} is an Intent 974 * used with {@link PackageManager#queryIntentActivities} to determine the 975 * set of activities from which to pick. 976 * <p>Output: Class name of the activity that was selected. 977 */ 978 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 979 public static final String ACTION_PICK_ACTIVITY = "android.intent.action.PICK_ACTIVITY"; 980 /** 981 * Activity Action: Perform a search. 982 * <p>Input: {@link android.app.SearchManager#QUERY getStringExtra(SearchManager.QUERY)} 983 * is the text to search for. If empty, simply 984 * enter your search results Activity with the search UI activated. 985 * <p>Output: nothing. 986 */ 987 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 988 public static final String ACTION_SEARCH = "android.intent.action.SEARCH"; 989 /** 990 * Activity Action: Start the platform-defined tutorial 991 * <p>Input: {@link android.app.SearchManager#QUERY getStringExtra(SearchManager.QUERY)} 992 * is the text to search for. If empty, simply 993 * enter your search results Activity with the search UI activated. 994 * <p>Output: nothing. 995 */ 996 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 997 public static final String ACTION_SYSTEM_TUTORIAL = "android.intent.action.SYSTEM_TUTORIAL"; 998 /** 999 * Activity Action: Perform a web search. 1000 * <p> 1001 * Input: {@link android.app.SearchManager#QUERY 1002 * getStringExtra(SearchManager.QUERY)} is the text to search for. If it is 1003 * a url starts with http or https, the site will be opened. If it is plain 1004 * text, Google search will be applied. 1005 * <p> 1006 * Output: nothing. 1007 */ 1008 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 1009 public static final String ACTION_WEB_SEARCH = "android.intent.action.WEB_SEARCH"; 1010 /** 1011 * Activity Action: List all available applications 1012 * <p>Input: Nothing. 1013 * <p>Output: nothing. 1014 */ 1015 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 1016 public static final String ACTION_ALL_APPS = "android.intent.action.ALL_APPS"; 1017 /** 1018 * Activity Action: Show settings for choosing wallpaper 1019 * <p>Input: Nothing. 1020 * <p>Output: Nothing. 1021 */ 1022 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 1023 public static final String ACTION_SET_WALLPAPER = "android.intent.action.SET_WALLPAPER"; 1024 1025 /** 1026 * Activity Action: Show activity for reporting a bug. 1027 * <p>Input: Nothing. 1028 * <p>Output: Nothing. 1029 */ 1030 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 1031 public static final String ACTION_BUG_REPORT = "android.intent.action.BUG_REPORT"; 1032 1033 /** 1034 * Activity Action: Main entry point for factory tests. Only used when 1035 * the device is booting in factory test node. The implementing package 1036 * must be installed in the system image. 1037 * <p>Input: nothing 1038 * <p>Output: nothing 1039 */ 1040 public static final String ACTION_FACTORY_TEST = "android.intent.action.FACTORY_TEST"; 1041 1042 /** 1043 * Activity Action: The user pressed the "call" button to go to the dialer 1044 * or other appropriate UI for placing a call. 1045 * <p>Input: Nothing. 1046 * <p>Output: Nothing. 1047 */ 1048 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 1049 public static final String ACTION_CALL_BUTTON = "android.intent.action.CALL_BUTTON"; 1050 1051 /** 1052 * Activity Action: Start Voice Command. 1053 * <p>Input: Nothing. 1054 * <p>Output: Nothing. 1055 */ 1056 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 1057 public static final String ACTION_VOICE_COMMAND = "android.intent.action.VOICE_COMMAND"; 1058 1059 /** 1060 * Activity Action: Start action associated with long pressing on the 1061 * search key. 1062 * <p>Input: Nothing. 1063 * <p>Output: Nothing. 1064 */ 1065 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 1066 public static final String ACTION_SEARCH_LONG_PRESS = "android.intent.action.SEARCH_LONG_PRESS"; 1067 1068 /** 1069 * Activity Action: The user pressed the "Report" button in the crash/ANR dialog. 1070 * This intent is delivered to the package which installed the application, usually 1071 * the Market. 1072 * <p>Input: No data is specified. The bug report is passed in using 1073 * an {@link #EXTRA_BUG_REPORT} field. 1074 * <p>Output: Nothing. 1075 * @hide 1076 */ 1077 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 1078 public static final String ACTION_APP_ERROR = "android.intent.action.APP_ERROR"; 1079 1080 /** 1081 * Activity Action: Show power usage information to the user. 1082 * <p>Input: Nothing. 1083 * <p>Output: Nothing. 1084 */ 1085 @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 1086 public static final String ACTION_POWER_USAGE_SUMMARY = "android.intent.action.POWER_USAGE_SUMMARY"; 1087 1088 // --------------------------------------------------------------------- 1089 // --------------------------------------------------------------------- 1090 // Standard intent broadcast actions (see action variable). 1091 1092 /** 1093 * Broadcast Action: Sent after the screen turns off. 1094 */ 1095 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1096 public static final String ACTION_SCREEN_OFF = "android.intent.action.SCREEN_OFF"; 1097 /** 1098 * Broadcast Action: Sent after the screen turns on. 1099 */ 1100 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1101 public static final String ACTION_SCREEN_ON = "android.intent.action.SCREEN_ON"; 1102 1103 /** 1104 * Broadcast Action: Sent when the user is present after device wakes up (e.g when the 1105 * keyguard is gone). 1106 */ 1107 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1108 public static final String ACTION_USER_PRESENT= "android.intent.action.USER_PRESENT"; 1109 1110 /** 1111 * Broadcast Action: The current time has changed. Sent every 1112 * minute. You can <em>not</em> receive this through components declared 1113 * in manifests, only by exlicitly registering for it with 1114 * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter) 1115 * Context.registerReceiver()}. 1116 */ 1117 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1118 public static final String ACTION_TIME_TICK = "android.intent.action.TIME_TICK"; 1119 /** 1120 * Broadcast Action: The time was set. 1121 */ 1122 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1123 public static final String ACTION_TIME_CHANGED = "android.intent.action.TIME_SET"; 1124 /** 1125 * Broadcast Action: The date has changed. 1126 */ 1127 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1128 public static final String ACTION_DATE_CHANGED = "android.intent.action.DATE_CHANGED"; 1129 /** 1130 * Broadcast Action: The timezone has changed. The intent will have the following extra values:</p> 1131 * <ul> 1132 * <li><em>time-zone</em> - The java.util.TimeZone.getID() value identifying the new time zone.</li> 1133 * </ul> 1134 */ 1135 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1136 public static final String ACTION_TIMEZONE_CHANGED = "android.intent.action.TIMEZONE_CHANGED"; 1137 /** 1138 * Alarm Changed Action: This is broadcast when the AlarmClock 1139 * application's alarm is set or unset. It is used by the 1140 * AlarmClock application and the StatusBar service. 1141 * @hide 1142 */ 1143 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1144 public static final String ACTION_ALARM_CHANGED = "android.intent.action.ALARM_CHANGED"; 1145 /** 1146 * Sync State Changed Action: This is broadcast when the sync starts or stops or when one has 1147 * been failing for a long time. It is used by the SyncManager and the StatusBar service. 1148 * @hide 1149 */ 1150 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1151 public static final String ACTION_SYNC_STATE_CHANGED 1152 = "android.intent.action.SYNC_STATE_CHANGED"; 1153 /** 1154 * Broadcast Action: This is broadcast once, after the system has finished 1155 * booting. It can be used to perform application-specific initialization, 1156 * such as installing alarms. You must hold the 1157 * {@link android.Manifest.permission#RECEIVE_BOOT_COMPLETED} permission 1158 * in order to receive this broadcast. 1159 */ 1160 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1161 public static final String ACTION_BOOT_COMPLETED = "android.intent.action.BOOT_COMPLETED"; 1162 /** 1163 * Broadcast Action: This is broadcast when a user action should request a 1164 * temporary system dialog to dismiss. Some examples of temporary system 1165 * dialogs are the notification window-shade and the recent tasks dialog. 1166 */ 1167 public static final String ACTION_CLOSE_SYSTEM_DIALOGS = "android.intent.action.CLOSE_SYSTEM_DIALOGS"; 1168 /** 1169 * Broadcast Action: Trigger the download and eventual installation 1170 * of a package. 1171 * <p>Input: {@link #getData} is the URI of the package file to download. 1172 */ 1173 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1174 public static final String ACTION_PACKAGE_INSTALL = "android.intent.action.PACKAGE_INSTALL"; 1175 /** 1176 * Broadcast Action: A new application package has been installed on the 1177 * device. The data contains the name of the package. Note that the 1178 * newly installed package does <em>not</em> receive this broadcast. 1179 * <p>My include the following extras: 1180 * <ul> 1181 * <li> {@link #EXTRA_UID} containing the integer uid assigned to the new package. 1182 * <li> {@link #EXTRA_REPLACING} is set to true if this is following 1183 * an {@link #ACTION_PACKAGE_REMOVED} broadcast for the same package. 1184 * </ul> 1185 */ 1186 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1187 public static final String ACTION_PACKAGE_ADDED = "android.intent.action.PACKAGE_ADDED"; 1188 /** 1189 * Broadcast Action: A new version of an application package has been 1190 * installed, replacing an existing version that was previously installed. 1191 * The data contains the name of the package. 1192 * <p>My include the following extras: 1193 * <ul> 1194 * <li> {@link #EXTRA_UID} containing the integer uid assigned to the new package. 1195 * </ul> 1196 */ 1197 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1198 public static final String ACTION_PACKAGE_REPLACED = "android.intent.action.PACKAGE_REPLACED"; 1199 /** 1200 * Broadcast Action: An existing application package has been removed from 1201 * the device. The data contains the name of the package. The package 1202 * that is being installed does <em>not</em> receive this Intent. 1203 * <ul> 1204 * <li> {@link #EXTRA_UID} containing the integer uid previously assigned 1205 * to the package. 1206 * <li> {@link #EXTRA_DATA_REMOVED} is set to true if the entire 1207 * application -- data and code -- is being removed. 1208 * <li> {@link #EXTRA_REPLACING} is set to true if this will be followed 1209 * by an {@link #ACTION_PACKAGE_ADDED} broadcast for the same package. 1210 * </ul> 1211 */ 1212 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1213 public static final String ACTION_PACKAGE_REMOVED = "android.intent.action.PACKAGE_REMOVED"; 1214 /** 1215 * Broadcast Action: An existing application package has been changed (e.g. a component has been 1216 * enabled or disabled. The data contains the name of the package. 1217 * <ul> 1218 * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package. 1219 * </ul> 1220 */ 1221 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1222 public static final String ACTION_PACKAGE_CHANGED = "android.intent.action.PACKAGE_CHANGED"; 1223 /** 1224 * Broadcast Action: The user has restarted a package, and all of its 1225 * processes have been killed. All runtime state 1226 * associated with it (processes, alarms, notifications, etc) should 1227 * be removed. Note that the restarted package does <em>not</em> 1228 * receive this broadcast. 1229 * The data contains the name of the package. 1230 * <ul> 1231 * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package. 1232 * </ul> 1233 */ 1234 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1235 public static final String ACTION_PACKAGE_RESTARTED = "android.intent.action.PACKAGE_RESTARTED"; 1236 /** 1237 * Broadcast Action: The user has cleared the data of a package. This should 1238 * be preceded by {@link #ACTION_PACKAGE_RESTARTED}, after which all of 1239 * its persistent data is erased and this broadcast sent. 1240 * Note that the cleared package does <em>not</em> 1241 * receive this broadcast. The data contains the name of the package. 1242 * <ul> 1243 * <li> {@link #EXTRA_UID} containing the integer uid assigned to the package. 1244 * </ul> 1245 */ 1246 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1247 public static final String ACTION_PACKAGE_DATA_CLEARED = "android.intent.action.PACKAGE_DATA_CLEARED"; 1248 /** 1249 * Broadcast Action: A user ID has been removed from the system. The user 1250 * ID number is stored in the extra data under {@link #EXTRA_UID}. 1251 */ 1252 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1253 public static final String ACTION_UID_REMOVED = "android.intent.action.UID_REMOVED"; 1254 /** 1255 * Broadcast Action: The current system wallpaper has changed. See 1256 * {@link Context#getWallpaper} for retrieving the new wallpaper. 1257 */ 1258 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1259 public static final String ACTION_WALLPAPER_CHANGED = "android.intent.action.WALLPAPER_CHANGED"; 1260 /** 1261 * Broadcast Action: The current device {@link android.content.res.Configuration} 1262 * (orientation, locale, etc) has changed. When such a change happens, the 1263 * UIs (view hierarchy) will need to be rebuilt based on this new 1264 * information; for the most part, applications don't need to worry about 1265 * this, because the system will take care of stopping and restarting the 1266 * application to make sure it sees the new changes. Some system code that 1267 * can not be restarted will need to watch for this action and handle it 1268 * appropriately. 1269 * 1270 * @see android.content.res.Configuration 1271 */ 1272 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1273 public static final String ACTION_CONFIGURATION_CHANGED = "android.intent.action.CONFIGURATION_CHANGED"; 1274 /** 1275 * Broadcast Action: The charging state, or charge level of the battery has 1276 * changed. 1277 * 1278 * <p class="note"> 1279 * You can <em>not</em> receive this through components declared 1280 * in manifests, only by exlicitly registering for it with 1281 * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter) 1282 * Context.registerReceiver()}. 1283 */ 1284 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1285 public static final String ACTION_BATTERY_CHANGED = "android.intent.action.BATTERY_CHANGED"; 1286 /** 1287 * Broadcast Action: Indicates low battery condition on the device. 1288 * This broadcast corresponds to the "Low battery warning" system dialog. 1289 */ 1290 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1291 public static final String ACTION_BATTERY_LOW = "android.intent.action.BATTERY_LOW"; 1292 /** 1293 * Broadcast Action: External power has been connected to the device. 1294 * This is intended for applications that wish to register specifically to this notification. 1295 * Unlike ACTION_BATTERY_CHANGED, applications will be woken for this and so do not have to 1296 * stay active to receive this notification. This action can be used to implement actions 1297 * that wait until power is available to trigger. 1298 */ 1299 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1300 public static final String ACTION_POWER_CONNECTED = "android.intent.action.ACTION_POWER_CONNECTED"; 1301 /** 1302 * Broadcast Action: External power has been removed from the device. 1303 * This is intended for applications that wish to register specifically to this notification. 1304 * Unlike ACTION_BATTERY_CHANGED, applications will be woken for this and so do not have to 1305 * stay active to receive this notification. This action can be used to implement actions 1306 * that wait until power is available to trigger. 1307 */ 1308 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1309 public static final String ACTION_POWER_DISCONNECTED = "android.intent.action.ACTION_POWER_DISCONNECTED"; 1310 /** 1311 * Broadcast Action: Device is shutting down. 1312 * This is broadcast when the device is being shut down (completely turned 1313 * off, not sleeping). Once the broadcast is complete, the final shutdown 1314 * will proceed and all unsaved data lost. Apps will not normally need 1315 * to handle this, since the forground activity will be paused as well. 1316 */ 1317 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1318 public static final String ACTION_SHUTDOWN = "android.intent.action.ACTION_SHUTDOWN"; 1319 /** 1320 * Broadcast Action: Indicates low memory condition on the device 1321 */ 1322 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1323 public static final String ACTION_DEVICE_STORAGE_LOW = "android.intent.action.DEVICE_STORAGE_LOW"; 1324 /** 1325 * Broadcast Action: Indicates low memory condition on the device no longer exists 1326 */ 1327 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1328 public static final String ACTION_DEVICE_STORAGE_OK = "android.intent.action.DEVICE_STORAGE_OK"; 1329 /** 1330 * Broadcast Action: Indicates low memory condition notification acknowledged by user 1331 * and package management should be started. 1332 * This is triggered by the user from the ACTION_DEVICE_STORAGE_LOW 1333 * notification. 1334 */ 1335 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1336 public static final String ACTION_MANAGE_PACKAGE_STORAGE = "android.intent.action.MANAGE_PACKAGE_STORAGE"; 1337 /** 1338 * Broadcast Action: The device has entered USB Mass Storage mode. 1339 * This is used mainly for the USB Settings panel. 1340 * Apps should listen for ACTION_MEDIA_MOUNTED and ACTION_MEDIA_UNMOUNTED broadcasts to be notified 1341 * when the SD card file system is mounted or unmounted 1342 */ 1343 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1344 public static final String ACTION_UMS_CONNECTED = "android.intent.action.UMS_CONNECTED"; 1345 1346 /** 1347 * Broadcast Action: The device has exited USB Mass Storage mode. 1348 * This is used mainly for the USB Settings panel. 1349 * Apps should listen for ACTION_MEDIA_MOUNTED and ACTION_MEDIA_UNMOUNTED broadcasts to be notified 1350 * when the SD card file system is mounted or unmounted 1351 */ 1352 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1353 public static final String ACTION_UMS_DISCONNECTED = "android.intent.action.UMS_DISCONNECTED"; 1354 1355 /** 1356 * Broadcast Action: External media has been removed. 1357 * The path to the mount point for the removed media is contained in the Intent.mData field. 1358 */ 1359 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1360 public static final String ACTION_MEDIA_REMOVED = "android.intent.action.MEDIA_REMOVED"; 1361 1362 /** 1363 * Broadcast Action: External media is present, but not mounted at its mount point. 1364 * The path to the mount point for the removed media is contained in the Intent.mData field. 1365 */ 1366 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1367 public static final String ACTION_MEDIA_UNMOUNTED = "android.intent.action.MEDIA_UNMOUNTED"; 1368 1369 /** 1370 * Broadcast Action: External media is present, and being disk-checked 1371 * The path to the mount point for the checking media is contained in the Intent.mData field. 1372 */ 1373 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1374 public static final String ACTION_MEDIA_CHECKING = "android.intent.action.MEDIA_CHECKING"; 1375 1376 /** 1377 * Broadcast Action: External media is present, but is using an incompatible fs (or is blank) 1378 * The path to the mount point for the checking media is contained in the Intent.mData field. 1379 */ 1380 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1381 public static final String ACTION_MEDIA_NOFS = "android.intent.action.MEDIA_NOFS"; 1382 1383 /** 1384 * Broadcast Action: External media is present and mounted at its mount point. 1385 * The path to the mount point for the removed media is contained in the Intent.mData field. 1386 * The Intent contains an extra with name "read-only" and Boolean value to indicate if the 1387 * media was mounted read only. 1388 */ 1389 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1390 public static final String ACTION_MEDIA_MOUNTED = "android.intent.action.MEDIA_MOUNTED"; 1391 1392 /** 1393 * Broadcast Action: External media is unmounted because it is being shared via USB mass storage. 1394 * The path to the mount point for the removed media is contained in the Intent.mData field. 1395 */ 1396 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1397 public static final String ACTION_MEDIA_SHARED = "android.intent.action.MEDIA_SHARED"; 1398 1399 /** 1400 * Broadcast Action: External media was removed from SD card slot, but mount point was not unmounted. 1401 * The path to the mount point for the removed media is contained in the Intent.mData field. 1402 */ 1403 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1404 public static final String ACTION_MEDIA_BAD_REMOVAL = "android.intent.action.MEDIA_BAD_REMOVAL"; 1405 1406 /** 1407 * Broadcast Action: External media is present but cannot be mounted. 1408 * The path to the mount point for the removed media is contained in the Intent.mData field. 1409 */ 1410 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1411 public static final String ACTION_MEDIA_UNMOUNTABLE = "android.intent.action.MEDIA_UNMOUNTABLE"; 1412 1413 /** 1414 * Broadcast Action: User has expressed the desire to remove the external storage media. 1415 * Applications should close all files they have open within the mount point when they receive this intent. 1416 * The path to the mount point for the media to be ejected is contained in the Intent.mData field. 1417 */ 1418 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1419 public static final String ACTION_MEDIA_EJECT = "android.intent.action.MEDIA_EJECT"; 1420 1421 /** 1422 * Broadcast Action: The media scanner has started scanning a directory. 1423 * The path to the directory being scanned is contained in the Intent.mData field. 1424 */ 1425 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1426 public static final String ACTION_MEDIA_SCANNER_STARTED = "android.intent.action.MEDIA_SCANNER_STARTED"; 1427 1428 /** 1429 * Broadcast Action: The media scanner has finished scanning a directory. 1430 * The path to the scanned directory is contained in the Intent.mData field. 1431 */ 1432 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1433 public static final String ACTION_MEDIA_SCANNER_FINISHED = "android.intent.action.MEDIA_SCANNER_FINISHED"; 1434 1435 /** 1436 * Broadcast Action: Request the media scanner to scan a file and add it to the media database. 1437 * The path to the file is contained in the Intent.mData field. 1438 */ 1439 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1440 public static final String ACTION_MEDIA_SCANNER_SCAN_FILE = "android.intent.action.MEDIA_SCANNER_SCAN_FILE"; 1441 1442 /** 1443 * Broadcast Action: The "Media Button" was pressed. Includes a single 1444 * extra field, {@link #EXTRA_KEY_EVENT}, containing the key event that 1445 * caused the broadcast. 1446 */ 1447 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1448 public static final String ACTION_MEDIA_BUTTON = "android.intent.action.MEDIA_BUTTON"; 1449 1450 /** 1451 * Broadcast Action: The "Camera Button" was pressed. Includes a single 1452 * extra field, {@link #EXTRA_KEY_EVENT}, containing the key event that 1453 * caused the broadcast. 1454 */ 1455 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1456 public static final String ACTION_CAMERA_BUTTON = "android.intent.action.CAMERA_BUTTON"; 1457 1458 // *** NOTE: @todo(*) The following really should go into a more domain-specific 1459 // location; they are not general-purpose actions. 1460 1461 /** 1462 * Broadcast Action: An GTalk connection has been established. 1463 */ 1464 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1465 public static final String ACTION_GTALK_SERVICE_CONNECTED = 1466 "android.intent.action.GTALK_CONNECTED"; 1467 1468 /** 1469 * Broadcast Action: An GTalk connection has been disconnected. 1470 */ 1471 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1472 public static final String ACTION_GTALK_SERVICE_DISCONNECTED = 1473 "android.intent.action.GTALK_DISCONNECTED"; 1474 1475 /** 1476 * Broadcast Action: An input method has been changed. 1477 */ 1478 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1479 public static final String ACTION_INPUT_METHOD_CHANGED = 1480 "android.intent.action.INPUT_METHOD_CHANGED"; 1481 1482 /** 1483 * <p>Broadcast Action: The user has switched the phone into or out of Airplane Mode. One or 1484 * more radios have been turned off or on. The intent will have the following extra value:</p> 1485 * <ul> 1486 * <li><em>state</em> - A boolean value indicating whether Airplane Mode is on. If true, 1487 * then cell radio and possibly other radios such as bluetooth or WiFi may have also been 1488 * turned off</li> 1489 * </ul> 1490 */ 1491 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1492 public static final String ACTION_AIRPLANE_MODE_CHANGED = "android.intent.action.AIRPLANE_MODE"; 1493 1494 /** 1495 * Broadcast Action: Some content providers have parts of their namespace 1496 * where they publish new events or items that the user may be especially 1497 * interested in. For these things, they may broadcast this action when the 1498 * set of interesting items change. 1499 * 1500 * For example, GmailProvider sends this notification when the set of unread 1501 * mail in the inbox changes. 1502 * 1503 * <p>The data of the intent identifies which part of which provider 1504 * changed. When queried through the content resolver, the data URI will 1505 * return the data set in question. 1506 * 1507 * <p>The intent will have the following extra values: 1508 * <ul> 1509 * <li><em>count</em> - The number of items in the data set. This is the 1510 * same as the number of items in the cursor returned by querying the 1511 * data URI. </li> 1512 * </ul> 1513 * 1514 * This intent will be sent at boot (if the count is non-zero) and when the 1515 * data set changes. It is possible for the data set to change without the 1516 * count changing (for example, if a new unread message arrives in the same 1517 * sync operation in which a message is archived). The phone should still 1518 * ring/vibrate/etc as normal in this case. 1519 */ 1520 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1521 public static final String ACTION_PROVIDER_CHANGED = 1522 "android.intent.action.PROVIDER_CHANGED"; 1523 1524 /** 1525 * Broadcast Action: Wired Headset plugged in or unplugged. 1526 * 1527 * <p>The intent will have the following extra values: 1528 * <ul> 1529 * <li><em>state</em> - 0 for unplugged, 1 for plugged. </li> 1530 * <li><em>name</em> - Headset type, human readable string </li> 1531 * </ul> 1532 * </ul> 1533 */ 1534 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1535 public static final String ACTION_HEADSET_PLUG = 1536 "android.intent.action.HEADSET_PLUG"; 1537 1538 /** 1539 * Broadcast Action: An outgoing call is about to be placed. 1540 * 1541 * <p>The Intent will have the following extra value: 1542 * <ul> 1543 * <li><em>{@link android.content.Intent#EXTRA_PHONE_NUMBER}</em> - 1544 * the phone number originally intended to be dialed.</li> 1545 * </ul> 1546 * <p>Once the broadcast is finished, the resultData is used as the actual 1547 * number to call. If <code>null</code>, no call will be placed.</p> 1548 * <p>It is perfectly acceptable for multiple receivers to process the 1549 * outgoing call in turn: for example, a parental control application 1550 * might verify that the user is authorized to place the call at that 1551 * time, then a number-rewriting application might add an area code if 1552 * one was not specified.</p> 1553 * <p>For consistency, any receiver whose purpose is to prohibit phone 1554 * calls should have a priority of 0, to ensure it will see the final 1555 * phone number to be dialed. 1556 * Any receiver whose purpose is to rewrite phone numbers to be called 1557 * should have a positive priority. 1558 * Negative priorities are reserved for the system for this broadcast; 1559 * using them may cause problems.</p> 1560 * <p>Any BroadcastReceiver receiving this Intent <em>must not</em> 1561 * abort the broadcast.</p> 1562 * <p>Emergency calls cannot be intercepted using this mechanism, and 1563 * other calls cannot be modified to call emergency numbers using this 1564 * mechanism. 1565 * <p>You must hold the 1566 * {@link android.Manifest.permission#PROCESS_OUTGOING_CALLS} 1567 * permission to receive this Intent.</p> 1568 */ 1569 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1570 public static final String ACTION_NEW_OUTGOING_CALL = 1571 "android.intent.action.NEW_OUTGOING_CALL"; 1572 1573 /** 1574 * Broadcast Action: Have the device reboot. This is only for use by 1575 * system code. 1576 */ 1577 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1578 public static final String ACTION_REBOOT = 1579 "android.intent.action.REBOOT"; 1580 1581 // --------------------------------------------------------------------- 1582 // --------------------------------------------------------------------- 1583 // Standard intent categories (see addCategory()). 1584 1585 /** 1586 * Set if the activity should be an option for the default action 1587 * (center press) to perform on a piece of data. Setting this will 1588 * hide from the user any activities without it set when performing an 1589 * action on some data. Note that this is normal -not- set in the 1590 * Intent when initiating an action -- it is for use in intent filters 1591 * specified in packages. 1592 */ 1593 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1594 public static final String CATEGORY_DEFAULT = "android.intent.category.DEFAULT"; 1595 /** 1596 * Activities that can be safely invoked from a browser must support this 1597 * category. For example, if the user is viewing a web page or an e-mail 1598 * and clicks on a link in the text, the Intent generated execute that 1599 * link will require the BROWSABLE category, so that only activities 1600 * supporting this category will be considered as possible actions. By 1601 * supporting this category, you are promising that there is nothing 1602 * damaging (without user intervention) that can happen by invoking any 1603 * matching Intent. 1604 */ 1605 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1606 public static final String CATEGORY_BROWSABLE = "android.intent.category.BROWSABLE"; 1607 /** 1608 * Set if the activity should be considered as an alternative action to 1609 * the data the user is currently viewing. See also 1610 * {@link #CATEGORY_SELECTED_ALTERNATIVE} for an alternative action that 1611 * applies to the selection in a list of items. 1612 * 1613 * <p>Supporting this category means that you would like your activity to be 1614 * displayed in the set of alternative things the user can do, usually as 1615 * part of the current activity's options menu. You will usually want to 1616 * include a specific label in the <intent-filter> of this action 1617 * describing to the user what it does. 1618 * 1619 * <p>The action of IntentFilter with this category is important in that it 1620 * describes the specific action the target will perform. This generally 1621 * should not be a generic action (such as {@link #ACTION_VIEW}, but rather 1622 * a specific name such as "com.android.camera.action.CROP. Only one 1623 * alternative of any particular action will be shown to the user, so using 1624 * a specific action like this makes sure that your alternative will be 1625 * displayed while also allowing other applications to provide their own 1626 * overrides of that particular action. 1627 */ 1628 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1629 public static final String CATEGORY_ALTERNATIVE = "android.intent.category.ALTERNATIVE"; 1630 /** 1631 * Set if the activity should be considered as an alternative selection 1632 * action to the data the user has currently selected. This is like 1633 * {@link #CATEGORY_ALTERNATIVE}, but is used in activities showing a list 1634 * of items from which the user can select, giving them alternatives to the 1635 * default action that will be performed on it. 1636 */ 1637 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1638 public static final String CATEGORY_SELECTED_ALTERNATIVE = "android.intent.category.SELECTED_ALTERNATIVE"; 1639 /** 1640 * Intended to be used as a tab inside of an containing TabActivity. 1641 */ 1642 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1643 public static final String CATEGORY_TAB = "android.intent.category.TAB"; 1644 /** 1645 * Should be displayed in the top-level launcher. 1646 */ 1647 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1648 public static final String CATEGORY_LAUNCHER = "android.intent.category.LAUNCHER"; 1649 /** 1650 * Provides information about the package it is in; typically used if 1651 * a package does not contain a {@link #CATEGORY_LAUNCHER} to provide 1652 * a front-door to the user without having to be shown in the all apps list. 1653 */ 1654 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1655 public static final String CATEGORY_INFO = "android.intent.category.INFO"; 1656 /** 1657 * This is the home activity, that is the first activity that is displayed 1658 * when the device boots. 1659 */ 1660 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1661 public static final String CATEGORY_HOME = "android.intent.category.HOME"; 1662 /** 1663 * This activity is a preference panel. 1664 */ 1665 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1666 public static final String CATEGORY_PREFERENCE = "android.intent.category.PREFERENCE"; 1667 /** 1668 * This activity is a development preference panel. 1669 */ 1670 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1671 public static final String CATEGORY_DEVELOPMENT_PREFERENCE = "android.intent.category.DEVELOPMENT_PREFERENCE"; 1672 /** 1673 * Capable of running inside a parent activity container. 1674 */ 1675 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1676 public static final String CATEGORY_EMBED = "android.intent.category.EMBED"; 1677 /** 1678 * This activity may be exercised by the monkey or other automated test tools. 1679 */ 1680 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1681 public static final String CATEGORY_MONKEY = "android.intent.category.MONKEY"; 1682 /** 1683 * To be used as a test (not part of the normal user experience). 1684 */ 1685 public static final String CATEGORY_TEST = "android.intent.category.TEST"; 1686 /** 1687 * To be used as a unit test (run through the Test Harness). 1688 */ 1689 public static final String CATEGORY_UNIT_TEST = "android.intent.category.UNIT_TEST"; 1690 /** 1691 * To be used as an sample code example (not part of the normal user 1692 * experience). 1693 */ 1694 public static final String CATEGORY_SAMPLE_CODE = "android.intent.category.SAMPLE_CODE"; 1695 /** 1696 * Used to indicate that a GET_CONTENT intent only wants URIs that can be opened with 1697 * ContentResolver.openInputStream. Openable URIs must support the columns in OpenableColumns 1698 * when queried, though it is allowable for those columns to be blank. 1699 */ 1700 @SdkConstant(SdkConstantType.INTENT_CATEGORY) 1701 public static final String CATEGORY_OPENABLE = "android.intent.category.OPENABLE"; 1702 1703 /** 1704 * To be used as code under test for framework instrumentation tests. 1705 */ 1706 public static final String CATEGORY_FRAMEWORK_INSTRUMENTATION_TEST = 1707 "android.intent.category.FRAMEWORK_INSTRUMENTATION_TEST"; 1708 // --------------------------------------------------------------------- 1709 // --------------------------------------------------------------------- 1710 // Standard extra data keys. 1711 1712 /** 1713 * The initial data to place in a newly created record. Use with 1714 * {@link #ACTION_INSERT}. The data here is a Map containing the same 1715 * fields as would be given to the underlying ContentProvider.insert() 1716 * call. 1717 */ 1718 public static final String EXTRA_TEMPLATE = "android.intent.extra.TEMPLATE"; 1719 1720 /** 1721 * A constant CharSequence that is associated with the Intent, used with 1722 * {@link #ACTION_SEND} to supply the literal data to be sent. Note that 1723 * this may be a styled CharSequence, so you must use 1724 * {@link Bundle#getCharSequence(String) Bundle.getCharSequence()} to 1725 * retrieve it. 1726 */ 1727 public static final String EXTRA_TEXT = "android.intent.extra.TEXT"; 1728 1729 /** 1730 * A content: URI holding a stream of data associated with the Intent, 1731 * used with {@link #ACTION_SEND} to supply the data being sent. 1732 */ 1733 public static final String EXTRA_STREAM = "android.intent.extra.STREAM"; 1734 1735 /** 1736 * A String[] holding e-mail addresses that should be delivered to. 1737 */ 1738 public static final String EXTRA_EMAIL = "android.intent.extra.EMAIL"; 1739 1740 /** 1741 * A String[] holding e-mail addresses that should be carbon copied. 1742 */ 1743 public static final String EXTRA_CC = "android.intent.extra.CC"; 1744 1745 /** 1746 * A String[] holding e-mail addresses that should be blind carbon copied. 1747 */ 1748 public static final String EXTRA_BCC = "android.intent.extra.BCC"; 1749 1750 /** 1751 * A constant string holding the desired subject line of a message. 1752 */ 1753 public static final String EXTRA_SUBJECT = "android.intent.extra.SUBJECT"; 1754 1755 /** 1756 * An Intent describing the choices you would like shown with 1757 * {@link #ACTION_PICK_ACTIVITY}. 1758 */ 1759 public static final String EXTRA_INTENT = "android.intent.extra.INTENT"; 1760 1761 /** 1762 * A CharSequence dialog title to provide to the user when used with a 1763 * {@link #ACTION_CHOOSER}. 1764 */ 1765 public static final String EXTRA_TITLE = "android.intent.extra.TITLE"; 1766 1767 /** 1768 * A {@link android.view.KeyEvent} object containing the event that 1769 * triggered the creation of the Intent it is in. 1770 */ 1771 public static final String EXTRA_KEY_EVENT = "android.intent.extra.KEY_EVENT"; 1772 1773 /** 1774 * Used as an boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} or 1775 * {@link android.content.Intent#ACTION_PACKAGE_CHANGED} intents to override the default action 1776 * of restarting the application. 1777 */ 1778 public static final String EXTRA_DONT_KILL_APP = "android.intent.extra.DONT_KILL_APP"; 1779 1780 /** 1781 * A String holding the phone number originally entered in 1782 * {@link android.content.Intent#ACTION_NEW_OUTGOING_CALL}, or the actual 1783 * number to call in a {@link android.content.Intent#ACTION_CALL}. 1784 */ 1785 public static final String EXTRA_PHONE_NUMBER = "android.intent.extra.PHONE_NUMBER"; 1786 /** 1787 * Used as an int extra field in {@link android.content.Intent#ACTION_UID_REMOVED} 1788 * intents to supply the uid the package had been assigned. Also an optional 1789 * extra in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} or 1790 * {@link android.content.Intent#ACTION_PACKAGE_CHANGED} for the same 1791 * purpose. 1792 */ 1793 public static final String EXTRA_UID = "android.intent.extra.UID"; 1794 1795 /** 1796 * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} 1797 * intents to indicate whether this represents a full uninstall (removing 1798 * both the code and its data) or a partial uninstall (leaving its data, 1799 * implying that this is an update). 1800 */ 1801 public static final String EXTRA_DATA_REMOVED = "android.intent.extra.DATA_REMOVED"; 1802 1803 /** 1804 * Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} 1805 * intents to indicate that this is a replacement of the package, so this 1806 * broadcast will immediately be followed by an add broadcast for a 1807 * different version of the same package. 1808 */ 1809 public static final String EXTRA_REPLACING = "android.intent.extra.REPLACING"; 1810 1811 /** 1812 * Used as an int extra field in {@link android.app.AlarmManager} intents 1813 * to tell the application being invoked how many pending alarms are being 1814 * delievered with the intent. For one-shot alarms this will always be 1. 1815 * For recurring alarms, this might be greater than 1 if the device was 1816 * asleep or powered off at the time an earlier alarm would have been 1817 * delivered. 1818 */ 1819 public static final String EXTRA_ALARM_COUNT = "android.intent.extra.ALARM_COUNT"; 1820 1821 /** 1822 * Used as a parcelable extra field in {@link #ACTION_APP_ERROR}, containing 1823 * the bug report. 1824 * 1825 * @hide 1826 */ 1827 public static final String EXTRA_BUG_REPORT = "android.intent.extra.BUG_REPORT"; 1828 1829 /** 1830 * Used as a string extra field when sending an intent to PackageInstaller to install a 1831 * package. Specifies the installer package name; this package will receive the 1832 * {@link #ACTION_APP_ERROR} intent. 1833 * 1834 * @hide 1835 */ 1836 public static final String EXTRA_INSTALLER_PACKAGE_NAME 1837 = "android.intent.extra.INSTALLER_PACKAGE_NAME"; 1838 1839 // --------------------------------------------------------------------- 1840 // --------------------------------------------------------------------- 1841 // Intent flags (see mFlags variable). 1842 1843 /** 1844 * If set, the recipient of this Intent will be granted permission to 1845 * perform read operations on the Uri in the Intent's data. 1846 */ 1847 public static final int FLAG_GRANT_READ_URI_PERMISSION = 0x00000001; 1848 /** 1849 * If set, the recipient of this Intent will be granted permission to 1850 * perform write operations on the Uri in the Intent's data. 1851 */ 1852 public static final int FLAG_GRANT_WRITE_URI_PERMISSION = 0x00000002; 1853 /** 1854 * Can be set by the caller to indicate that this Intent is coming from 1855 * a background operation, not from direct user interaction. 1856 */ 1857 public static final int FLAG_FROM_BACKGROUND = 0x00000004; 1858 /** 1859 * A flag you can enable for debugging: when set, log messages will be 1860 * printed during the resolution of this intent to show you what has 1861 * been found to create the final resolved list. 1862 */ 1863 public static final int FLAG_DEBUG_LOG_RESOLUTION = 0x00000008; 1864 1865 /** 1866 * If set, the new activity is not kept in the history stack. As soon as 1867 * the user navigates away from it, the activity is finished. This may also 1868 * be set with the {@link android.R.styleable#AndroidManifestActivity_noHistory 1869 * noHistory} attribute. 1870 */ 1871 public static final int FLAG_ACTIVITY_NO_HISTORY = 0x40000000; 1872 /** 1873 * If set, the activity will not be launched if it is already running 1874 * at the top of the history stack. 1875 */ 1876 public static final int FLAG_ACTIVITY_SINGLE_TOP = 0x20000000; 1877 /** 1878 * If set, this activity will become the start of a new task on this 1879 * history stack. A task (from the activity that started it to the 1880 * next task activity) defines an atomic group of activities that the 1881 * user can move to. Tasks can be moved to the foreground and background; 1882 * all of the activities inside of a particular task always remain in 1883 * the same order. See 1884 * <a href="{@docRoot}guide/topics/fundamentals.html#acttask">Application Fundamentals: 1885 * Activities and Tasks</a> for more details on tasks. 1886 * 1887 * <p>This flag is generally used by activities that want 1888 * to present a "launcher" style behavior: they give the user a list of 1889 * separate things that can be done, which otherwise run completely 1890 * independently of the activity launching them. 1891 * 1892 * <p>When using this flag, if a task is already running for the activity 1893 * you are now starting, then a new activity will not be started; instead, 1894 * the current task will simply be brought to the front of the screen with 1895 * the state it was last in. See {@link #FLAG_ACTIVITY_MULTIPLE_TASK} for a flag 1896 * to disable this behavior. 1897 * 1898 * <p>This flag can not be used when the caller is requesting a result from 1899 * the activity being launched. 1900 */ 1901 public static final int FLAG_ACTIVITY_NEW_TASK = 0x10000000; 1902 /** 1903 * <strong>Do not use this flag unless you are implementing your own 1904 * top-level application launcher.</strong> Used in conjunction with 1905 * {@link #FLAG_ACTIVITY_NEW_TASK} to disable the 1906 * behavior of bringing an existing task to the foreground. When set, 1907 * a new task is <em>always</em> started to host the Activity for the 1908 * Intent, regardless of whether there is already an existing task running 1909 * the same thing. 1910 * 1911 * <p><strong>Because the default system does not include graphical task management, 1912 * you should not use this flag unless you provide some way for a user to 1913 * return back to the tasks you have launched.</strong> 1914 * 1915 * <p>This flag is ignored if 1916 * {@link #FLAG_ACTIVITY_NEW_TASK} is not set. 1917 * 1918 * <p>See <a href="{@docRoot}guide/topics/fundamentals.html#acttask">Application Fundamentals: 1919 * Activities and Tasks</a> for more details on tasks. 1920 */ 1921 public static final int FLAG_ACTIVITY_MULTIPLE_TASK = 0x08000000; 1922 /** 1923 * If set, and the activity being launched is already running in the 1924 * current task, then instead of launching a new instance of that activity, 1925 * all of the other activities on top of it will be closed and this Intent 1926 * will be delivered to the (now on top) old activity as a new Intent. 1927 * 1928 * <p>For example, consider a task consisting of the activities: A, B, C, D. 1929 * If D calls startActivity() with an Intent that resolves to the component 1930 * of activity B, then C and D will be finished and B receive the given 1931 * Intent, resulting in the stack now being: A, B. 1932 * 1933 * <p>The currently running instance of task B in the above example will 1934 * either receive the new intent you are starting here in its 1935 * onNewIntent() method, or be itself finished and restarted with the 1936 * new intent. If it has declared its launch mode to be "multiple" (the 1937 * default) it will be finished and re-created; for all other launch modes 1938 * it will receive the Intent in the current instance. 1939 * 1940 * <p>This launch mode can also be used to good effect in conjunction with 1941 * {@link #FLAG_ACTIVITY_NEW_TASK}: if used to start the root activity 1942 * of a task, it will bring any currently running instance of that task 1943 * to the foreground, and then clear it to its root state. This is 1944 * especially useful, for example, when launching an activity from the 1945 * notification manager. 1946 * 1947 * <p>See <a href="{@docRoot}guide/topics/fundamentals.html#acttask">Application Fundamentals: 1948 * Activities and Tasks</a> for more details on tasks. 1949 */ 1950 public static final int FLAG_ACTIVITY_CLEAR_TOP = 0x04000000; 1951 /** 1952 * If set and this intent is being used to launch a new activity from an 1953 * existing one, then the reply target of the existing activity will be 1954 * transfered to the new activity. This way the new activity can call 1955 * {@link android.app.Activity#setResult} and have that result sent back to 1956 * the reply target of the original activity. 1957 */ 1958 public static final int FLAG_ACTIVITY_FORWARD_RESULT = 0x02000000; 1959 /** 1960 * If set and this intent is being used to launch a new activity from an 1961 * existing one, the current activity will not be counted as the top 1962 * activity for deciding whether the new intent should be delivered to 1963 * the top instead of starting a new one. The previous activity will 1964 * be used as the top, with the assumption being that the current activity 1965 * will finish itself immediately. 1966 */ 1967 public static final int FLAG_ACTIVITY_PREVIOUS_IS_TOP = 0x01000000; 1968 /** 1969 * If set, the new activity is not kept in the list of recently launched 1970 * activities. 1971 */ 1972 public static final int FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS = 0x00800000; 1973 /** 1974 * This flag is not normally set by application code, but set for you by 1975 * the system as described in the 1976 * {@link android.R.styleable#AndroidManifestActivity_launchMode 1977 * launchMode} documentation for the singleTask mode. 1978 */ 1979 public static final int FLAG_ACTIVITY_BROUGHT_TO_FRONT = 0x00400000; 1980 /** 1981 * If set, and this activity is either being started in a new task or 1982 * bringing to the top an existing task, then it will be launched as 1983 * the front door of the task. This will result in the application of 1984 * any affinities needed to have that task in the proper state (either 1985 * moving activities to or from it), or simply resetting that task to 1986 * its initial state if needed. 1987 */ 1988 public static final int FLAG_ACTIVITY_RESET_TASK_IF_NEEDED = 0x00200000; 1989 /** 1990 * This flag is not normally set by application code, but set for you by 1991 * the system if this activity is being launched from history 1992 * (longpress home key). 1993 */ 1994 public static final int FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY = 0x00100000; 1995 /** 1996 * If set, this marks a point in the task's activity stack that should 1997 * be cleared when the task is reset. That is, the next time the task 1998 * is brought to the foreground with 1999 * {@link #FLAG_ACTIVITY_RESET_TASK_IF_NEEDED} (typically as a result of 2000 * the user re-launching it from home), this activity and all on top of 2001 * it will be finished so that the user does not return to them, but 2002 * instead returns to whatever activity preceeded it. 2003 * 2004 * <p>This is useful for cases where you have a logical break in your 2005 * application. For example, an e-mail application may have a command 2006 * to view an attachment, which launches an image view activity to 2007 * display it. This activity should be part of the e-mail application's 2008 * task, since it is a part of the task the user is involved in. However, 2009 * if the user leaves that task, and later selects the e-mail app from 2010 * home, we may like them to return to the conversation they were 2011 * viewing, not the picture attachment, since that is confusing. By 2012 * setting this flag when launching the image viewer, that viewer and 2013 * any activities it starts will be removed the next time the user returns 2014 * to mail. 2015 */ 2016 public static final int FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET = 0x00080000; 2017 /** 2018 * If set, this flag will prevent the normal {@link android.app.Activity#onUserLeaveHint} 2019 * callback from occurring on the current frontmost activity before it is 2020 * paused as the newly-started activity is brought to the front. 2021 * 2022 * <p>Typically, an activity can rely on that callback to indicate that an 2023 * explicit user action has caused their activity to be moved out of the 2024 * foreground. The callback marks an appropriate point in the activity's 2025 * lifecycle for it to dismiss any notifications that it intends to display 2026 * "until the user has seen them," such as a blinking LED. 2027 * 2028 * <p>If an activity is ever started via any non-user-driven events such as 2029 * phone-call receipt or an alarm handler, this flag should be passed to {@link 2030 * Context#startActivity Context.startActivity}, ensuring that the pausing 2031 * activity does not think the user has acknowledged its notification. 2032 */ 2033 public static final int FLAG_ACTIVITY_NO_USER_ACTION = 0x00040000; 2034 /** 2035 * If set in an Intent passed to {@link Context#startActivity Context.startActivity()}, 2036 * this flag will cause the launched activity to be brought to the front of its 2037 * task's history stack if it is already running. 2038 * 2039 * <p>For example, consider a task consisting of four activities: A, B, C, D. 2040 * If D calls startActivity() with an Intent that resolves to the component 2041 * of activity B, then B will be brought to the front of the history stack, 2042 * with this resulting order: A, C, D, B. 2043 * 2044 * This flag will be ignored if {@link #FLAG_ACTIVITY_CLEAR_TOP} is also 2045 * specified. 2046 */ 2047 public static final int FLAG_ACTIVITY_REORDER_TO_FRONT = 0X00020000; 2048 /** 2049 * If set, when sending a broadcast only registered receivers will be 2050 * called -- no BroadcastReceiver components will be launched. 2051 */ 2052 public static final int FLAG_RECEIVER_REGISTERED_ONLY = 0x40000000; 2053 /** 2054 * If set, when sending a broadcast <i>before boot has completed</i> only 2055 * registered receivers will be called -- no BroadcastReceiver components 2056 * will be launched. Sticky intent state will be recorded properly even 2057 * if no receivers wind up being called. If {@link #FLAG_RECEIVER_REGISTERED_ONLY} 2058 * is specified in the broadcast intent, this flag is unnecessary. 2059 * 2060 * <p>This flag is only for use by system sevices as a convenience to 2061 * avoid having to implement a more complex mechanism around detection 2062 * of boot completion. 2063 * 2064 * @hide 2065 */ 2066 public static final int FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT = 0x20000000; 2067 2068 // --------------------------------------------------------------------- 2069 // --------------------------------------------------------------------- 2070 // toUri() and parseUri() options. 2071 2072 /** 2073 * Flag for use with {@link #toUri} and {@link #parseUri}: the URI string 2074 * always has the "intent:" scheme. This syntax can be used when you want 2075 * to later disambiguate between URIs that are intended to describe an 2076 * Intent vs. all others that should be treated as raw URIs. When used 2077 * with {@link #parseUri}, any other scheme will result in a generic 2078 * VIEW action for that raw URI. 2079 */ 2080 public static final int URI_INTENT_SCHEME = 1<<0; 2081 2082 // --------------------------------------------------------------------- 2083 2084 private String mAction; 2085 private Uri mData; 2086 private String mType; 2087 private String mPackage; 2088 private ComponentName mComponent; 2089 private int mFlags; 2090 private HashSet<String> mCategories; 2091 private Bundle mExtras; 2092 2093 // --------------------------------------------------------------------- 2094 2095 /** 2096 * Create an empty intent. 2097 */ 2098 public Intent() { 2099 } 2100 2101 /** 2102 * Copy constructor. 2103 */ 2104 public Intent(Intent o) { 2105 this.mAction = o.mAction; 2106 this.mData = o.mData; 2107 this.mType = o.mType; 2108 this.mPackage = o.mPackage; 2109 this.mComponent = o.mComponent; 2110 this.mFlags = o.mFlags; 2111 if (o.mCategories != null) { 2112 this.mCategories = new HashSet<String>(o.mCategories); 2113 } 2114 if (o.mExtras != null) { 2115 this.mExtras = new Bundle(o.mExtras); 2116 } 2117 } 2118 2119 @Override 2120 public Object clone() { 2121 return new Intent(this); 2122 } 2123 2124 private Intent(Intent o, boolean all) { 2125 this.mAction = o.mAction; 2126 this.mData = o.mData; 2127 this.mType = o.mType; 2128 this.mPackage = o.mPackage; 2129 this.mComponent = o.mComponent; 2130 if (o.mCategories != null) { 2131 this.mCategories = new HashSet<String>(o.mCategories); 2132 } 2133 } 2134 2135 /** 2136 * Make a clone of only the parts of the Intent that are relevant for 2137 * filter matching: the action, data, type, component, and categories. 2138 */ 2139 public Intent cloneFilter() { 2140 return new Intent(this, false); 2141 } 2142 2143 /** 2144 * Create an intent with a given action. All other fields (data, type, 2145 * class) are null. Note that the action <em>must</em> be in a 2146 * namespace because Intents are used globally in the system -- for 2147 * example the system VIEW action is android.intent.action.VIEW; an 2148 * application's custom action would be something like 2149 * com.google.app.myapp.CUSTOM_ACTION. 2150 * 2151 * @param action The Intent action, such as ACTION_VIEW. 2152 */ 2153 public Intent(String action) { 2154 mAction = action; 2155 } 2156 2157 /** 2158 * Create an intent with a given action and for a given data url. Note 2159 * that the action <em>must</em> be in a namespace because Intents are 2160 * used globally in the system -- for example the system VIEW action is 2161 * android.intent.action.VIEW; an application's custom action would be 2162 * something like com.google.app.myapp.CUSTOM_ACTION. 2163 * 2164 * <p><em>Note: scheme and host name matching in the Android framework is 2165 * case-sensitive, unlike the formal RFC. As a result, 2166 * you should always ensure that you write your Uri with these elements 2167 * using lower case letters, and normalize any Uris you receive from 2168 * outside of Android to ensure the scheme and host is lower case.</em></p> 2169 * 2170 * @param action The Intent action, such as ACTION_VIEW. 2171 * @param uri The Intent data URI. 2172 */ 2173 public Intent(String action, Uri uri) { 2174 mAction = action; 2175 mData = uri; 2176 } 2177 2178 /** 2179 * Create an intent for a specific component. All other fields (action, data, 2180 * type, class) are null, though they can be modified later with explicit 2181 * calls. This provides a convenient way to create an intent that is 2182 * intended to execute a hard-coded class name, rather than relying on the 2183 * system to find an appropriate class for you; see {@link #setComponent} 2184 * for more information on the repercussions of this. 2185 * 2186 * @param packageContext A Context of the application package implementing 2187 * this class. 2188 * @param cls The component class that is to be used for the intent. 2189 * 2190 * @see #setClass 2191 * @see #setComponent 2192 * @see #Intent(String, android.net.Uri , Context, Class) 2193 */ 2194 public Intent(Context packageContext, Class<?> cls) { 2195 mComponent = new ComponentName(packageContext, cls); 2196 } 2197 2198 /** 2199 * Create an intent for a specific component with a specified action and data. 2200 * This is equivalent using {@link #Intent(String, android.net.Uri)} to 2201 * construct the Intent and then calling {@link #setClass} to set its 2202 * class. 2203 * 2204 * <p><em>Note: scheme and host name matching in the Android framework is 2205 * case-sensitive, unlike the formal RFC. As a result, 2206 * you should always ensure that you write your Uri with these elements 2207 * using lower case letters, and normalize any Uris you receive from 2208 * outside of Android to ensure the scheme and host is lower case.</em></p> 2209 * 2210 * @param action The Intent action, such as ACTION_VIEW. 2211 * @param uri The Intent data URI. 2212 * @param packageContext A Context of the application package implementing 2213 * this class. 2214 * @param cls The component class that is to be used for the intent. 2215 * 2216 * @see #Intent(String, android.net.Uri) 2217 * @see #Intent(Context, Class) 2218 * @see #setClass 2219 * @see #setComponent 2220 */ 2221 public Intent(String action, Uri uri, 2222 Context packageContext, Class<?> cls) { 2223 mAction = action; 2224 mData = uri; 2225 mComponent = new ComponentName(packageContext, cls); 2226 } 2227 2228 /** 2229 * Call {@link #parseUri} with 0 flags. 2230 * @deprecated Use {@link #parseUri} instead. 2231 */ 2232 @Deprecated 2233 public static Intent getIntent(String uri) throws URISyntaxException { 2234 return parseUri(uri, 0); 2235 } 2236 2237 /** 2238 * Create an intent from a URI. This URI may encode the action, 2239 * category, and other intent fields, if it was returned by 2240 * {@link #toUri}.. If the Intent was not generate by toUri(), its data 2241 * will be the entire URI and its action will be ACTION_VIEW. 2242 * 2243 * <p>The URI given here must not be relative -- that is, it must include 2244 * the scheme and full path. 2245 * 2246 * @param uri The URI to turn into an Intent. 2247 * @param flags Additional processing flags. Either 0 or 2248 * 2249 * @return Intent The newly created Intent object. 2250 * 2251 * @throws URISyntaxException Throws URISyntaxError if the basic URI syntax 2252 * it bad (as parsed by the Uri class) or the Intent data within the 2253 * URI is invalid. 2254 * 2255 * @see #toUri 2256 */ 2257 public static Intent parseUri(String uri, int flags) throws URISyntaxException { 2258 int i = 0; 2259 try { 2260 // Validate intent scheme for if requested. 2261 if ((flags&URI_INTENT_SCHEME) != 0) { 2262 if (!uri.startsWith("intent:")) { 2263 Intent intent = new Intent(ACTION_VIEW); 2264 try { 2265 intent.setData(Uri.parse(uri)); 2266 } catch (IllegalArgumentException e) { 2267 throw new URISyntaxException(uri, e.getMessage()); 2268 } 2269 return intent; 2270 } 2271 } 2272 2273 // simple case 2274 i = uri.lastIndexOf("#"); 2275 if (i == -1) return new Intent(ACTION_VIEW, Uri.parse(uri)); 2276 2277 // old format Intent URI 2278 if (!uri.startsWith("#Intent;", i)) return getIntentOld(uri); 2279 2280 // new format 2281 Intent intent = new Intent(ACTION_VIEW); 2282 2283 // fetch data part, if present 2284 String data = i >= 0 ? uri.substring(0, i) : null; 2285 String scheme = null; 2286 i += "#Intent;".length(); 2287 2288 // loop over contents of Intent, all name=value; 2289 while (!uri.startsWith("end", i)) { 2290 int eq = uri.indexOf('=', i); 2291 int semi = uri.indexOf(';', eq); 2292 String value = Uri.decode(uri.substring(eq + 1, semi)); 2293 2294 // action 2295 if (uri.startsWith("action=", i)) { 2296 intent.mAction = value; 2297 } 2298 2299 // categories 2300 else if (uri.startsWith("category=", i)) { 2301 intent.addCategory(value); 2302 } 2303 2304 // type 2305 else if (uri.startsWith("type=", i)) { 2306 intent.mType = value; 2307 } 2308 2309 // launch flags 2310 else if (uri.startsWith("launchFlags=", i)) { 2311 intent.mFlags = Integer.decode(value).intValue(); 2312 } 2313 2314 // package 2315 else if (uri.startsWith("package=", i)) { 2316 intent.mPackage = value; 2317 } 2318 2319 // component 2320 else if (uri.startsWith("component=", i)) { 2321 intent.mComponent = ComponentName.unflattenFromString(value); 2322 } 2323 2324 // scheme 2325 else if (uri.startsWith("scheme=", i)) { 2326 scheme = value; 2327 } 2328 2329 // extra 2330 else { 2331 String key = Uri.decode(uri.substring(i + 2, eq)); 2332 // create Bundle if it doesn't already exist 2333 if (intent.mExtras == null) intent.mExtras = new Bundle(); 2334 Bundle b = intent.mExtras; 2335 // add EXTRA 2336 if (uri.startsWith("S.", i)) b.putString(key, value); 2337 else if (uri.startsWith("B.", i)) b.putBoolean(key, Boolean.parseBoolean(value)); 2338 else if (uri.startsWith("b.", i)) b.putByte(key, Byte.parseByte(value)); 2339 else if (uri.startsWith("c.", i)) b.putChar(key, value.charAt(0)); 2340 else if (uri.startsWith("d.", i)) b.putDouble(key, Double.parseDouble(value)); 2341 else if (uri.startsWith("f.", i)) b.putFloat(key, Float.parseFloat(value)); 2342 else if (uri.startsWith("i.", i)) b.putInt(key, Integer.parseInt(value)); 2343 else if (uri.startsWith("l.", i)) b.putLong(key, Long.parseLong(value)); 2344 else if (uri.startsWith("s.", i)) b.putShort(key, Short.parseShort(value)); 2345 else throw new URISyntaxException(uri, "unknown EXTRA type", i); 2346 } 2347 2348 // move to the next item 2349 i = semi + 1; 2350 } 2351 2352 if (data != null) { 2353 if (data.startsWith("intent:")) { 2354 data = data.substring(7); 2355 if (scheme != null) { 2356 data = scheme + ':' + data; 2357 } 2358 } 2359 2360 if (data.length() > 0) { 2361 try { 2362 intent.mData = Uri.parse(data); 2363 } catch (IllegalArgumentException e) { 2364 throw new URISyntaxException(uri, e.getMessage()); 2365 } 2366 } 2367 } 2368 2369 return intent; 2370 2371 } catch (IndexOutOfBoundsException e) { 2372 throw new URISyntaxException(uri, "illegal Intent URI format", i); 2373 } 2374 } 2375 2376 public static Intent getIntentOld(String uri) throws URISyntaxException { 2377 Intent intent; 2378 2379 int i = uri.lastIndexOf('#'); 2380 if (i >= 0) { 2381 Uri data = null; 2382 String action = null; 2383 if (i > 0) { 2384 data = Uri.parse(uri.substring(0, i)); 2385 } 2386 2387 i++; 2388 2389 if (uri.regionMatches(i, "action(", 0, 7)) { 2390 i += 7; 2391 int j = uri.indexOf(')', i); 2392 action = uri.substring(i, j); 2393 i = j + 1; 2394 } 2395 2396 intent = new Intent(action, data); 2397 2398 if (uri.regionMatches(i, "categories(", 0, 11)) { 2399 i += 11; 2400 int j = uri.indexOf(')', i); 2401 while (i < j) { 2402 int sep = uri.indexOf('!', i); 2403 if (sep < 0) sep = j; 2404 if (i < sep) { 2405 intent.addCategory(uri.substring(i, sep)); 2406 } 2407 i = sep + 1; 2408 } 2409 i = j + 1; 2410 } 2411 2412 if (uri.regionMatches(i, "type(", 0, 5)) { 2413 i += 5; 2414 int j = uri.indexOf(')', i); 2415 intent.mType = uri.substring(i, j); 2416 i = j + 1; 2417 } 2418 2419 if (uri.regionMatches(i, "launchFlags(", 0, 12)) { 2420 i += 12; 2421 int j = uri.indexOf(')', i); 2422 intent.mFlags = Integer.decode(uri.substring(i, j)).intValue(); 2423 i = j + 1; 2424 } 2425 2426 if (uri.regionMatches(i, "component(", 0, 10)) { 2427 i += 10; 2428 int j = uri.indexOf(')', i); 2429 int sep = uri.indexOf('!', i); 2430 if (sep >= 0 && sep < j) { 2431 String pkg = uri.substring(i, sep); 2432 String cls = uri.substring(sep + 1, j); 2433 intent.mComponent = new ComponentName(pkg, cls); 2434 } 2435 i = j + 1; 2436 } 2437 2438 if (uri.regionMatches(i, "extras(", 0, 7)) { 2439 i += 7; 2440 2441 final int closeParen = uri.indexOf(')', i); 2442 if (closeParen == -1) throw new URISyntaxException(uri, 2443 "EXTRA missing trailing ')'", i); 2444 2445 while (i < closeParen) { 2446 // fetch the key value 2447 int j = uri.indexOf('=', i); 2448 if (j <= i + 1 || i >= closeParen) { 2449 throw new URISyntaxException(uri, "EXTRA missing '='", i); 2450 } 2451 char type = uri.charAt(i); 2452 i++; 2453 String key = uri.substring(i, j); 2454 i = j + 1; 2455 2456 // get type-value 2457 j = uri.indexOf('!', i); 2458 if (j == -1 || j >= closeParen) j = closeParen; 2459 if (i >= j) throw new URISyntaxException(uri, "EXTRA missing '!'", i); 2460 String value = uri.substring(i, j); 2461 i = j; 2462 2463 // create Bundle if it doesn't already exist 2464 if (intent.mExtras == null) intent.mExtras = new Bundle(); 2465 2466 // add item to bundle 2467 try { 2468 switch (type) { 2469 case 'S': 2470 intent.mExtras.putString(key, Uri.decode(value)); 2471 break; 2472 case 'B': 2473 intent.mExtras.putBoolean(key, Boolean.parseBoolean(value)); 2474 break; 2475 case 'b': 2476 intent.mExtras.putByte(key, Byte.parseByte(value)); 2477 break; 2478 case 'c': 2479 intent.mExtras.putChar(key, Uri.decode(value).charAt(0)); 2480 break; 2481 case 'd': 2482 intent.mExtras.putDouble(key, Double.parseDouble(value)); 2483 break; 2484 case 'f': 2485 intent.mExtras.putFloat(key, Float.parseFloat(value)); 2486 break; 2487 case 'i': 2488 intent.mExtras.putInt(key, Integer.parseInt(value)); 2489 break; 2490 case 'l': 2491 intent.mExtras.putLong(key, Long.parseLong(value)); 2492 break; 2493 case 's': 2494 intent.mExtras.putShort(key, Short.parseShort(value)); 2495 break; 2496 default: 2497 throw new URISyntaxException(uri, "EXTRA has unknown type", i); 2498 } 2499 } catch (NumberFormatException e) { 2500 throw new URISyntaxException(uri, "EXTRA value can't be parsed", i); 2501 } 2502 2503 char ch = uri.charAt(i); 2504 if (ch == ')') break; 2505 if (ch != '!') throw new URISyntaxException(uri, "EXTRA missing '!'", i); 2506 i++; 2507 } 2508 } 2509 2510 if (intent.mAction == null) { 2511 // By default, if no action is specified, then use VIEW. 2512 intent.mAction = ACTION_VIEW; 2513 } 2514 2515 } else { 2516 intent = new Intent(ACTION_VIEW, Uri.parse(uri)); 2517 } 2518 2519 return intent; 2520 } 2521 2522 /** 2523 * Retrieve the general action to be performed, such as 2524 * {@link #ACTION_VIEW}. The action describes the general way the rest of 2525 * the information in the intent should be interpreted -- most importantly, 2526 * what to do with the data returned by {@link #getData}. 2527 * 2528 * @return The action of this intent or null if none is specified. 2529 * 2530 * @see #setAction 2531 */ 2532 public String getAction() { 2533 return mAction; 2534 } 2535 2536 /** 2537 * Retrieve data this intent is operating on. This URI specifies the name 2538 * of the data; often it uses the content: scheme, specifying data in a 2539 * content provider. Other schemes may be handled by specific activities, 2540 * such as http: by the web browser. 2541 * 2542 * @return The URI of the data this intent is targeting or null. 2543 * 2544 * @see #getScheme 2545 * @see #setData 2546 */ 2547 public Uri getData() { 2548 return mData; 2549 } 2550 2551 /** 2552 * The same as {@link #getData()}, but returns the URI as an encoded 2553 * String. 2554 */ 2555 public String getDataString() { 2556 return mData != null ? mData.toString() : null; 2557 } 2558 2559 /** 2560 * Return the scheme portion of the intent's data. If the data is null or 2561 * does not include a scheme, null is returned. Otherwise, the scheme 2562 * prefix without the final ':' is returned, i.e. "http". 2563 * 2564 * <p>This is the same as calling getData().getScheme() (and checking for 2565 * null data). 2566 * 2567 * @return The scheme of this intent. 2568 * 2569 * @see #getData 2570 */ 2571 public String getScheme() { 2572 return mData != null ? mData.getScheme() : null; 2573 } 2574 2575 /** 2576 * Retrieve any explicit MIME type included in the intent. This is usually 2577 * null, as the type is determined by the intent data. 2578 * 2579 * @return If a type was manually set, it is returned; else null is 2580 * returned. 2581 * 2582 * @see #resolveType(ContentResolver) 2583 * @see #setType 2584 */ 2585 public String getType() { 2586 return mType; 2587 } 2588 2589 /** 2590 * Return the MIME data type of this intent. If the type field is 2591 * explicitly set, that is simply returned. Otherwise, if the data is set, 2592 * the type of that data is returned. If neither fields are set, a null is 2593 * returned. 2594 * 2595 * @return The MIME type of this intent. 2596 * 2597 * @see #getType 2598 * @see #resolveType(ContentResolver) 2599 */ 2600 public String resolveType(Context context) { 2601 return resolveType(context.getContentResolver()); 2602 } 2603 2604 /** 2605 * Return the MIME data type of this intent. If the type field is 2606 * explicitly set, that is simply returned. Otherwise, if the data is set, 2607 * the type of that data is returned. If neither fields are set, a null is 2608 * returned. 2609 * 2610 * @param resolver A ContentResolver that can be used to determine the MIME 2611 * type of the intent's data. 2612 * 2613 * @return The MIME type of this intent. 2614 * 2615 * @see #getType 2616 * @see #resolveType(Context) 2617 */ 2618 public String resolveType(ContentResolver resolver) { 2619 if (mType != null) { 2620 return mType; 2621 } 2622 if (mData != null) { 2623 if ("content".equals(mData.getScheme())) { 2624 return resolver.getType(mData); 2625 } 2626 } 2627 return null; 2628 } 2629 2630 /** 2631 * Return the MIME data type of this intent, only if it will be needed for 2632 * intent resolution. This is not generally useful for application code; 2633 * it is used by the frameworks for communicating with back-end system 2634 * services. 2635 * 2636 * @param resolver A ContentResolver that can be used to determine the MIME 2637 * type of the intent's data. 2638 * 2639 * @return The MIME type of this intent, or null if it is unknown or not 2640 * needed. 2641 */ 2642 public String resolveTypeIfNeeded(ContentResolver resolver) { 2643 if (mComponent != null) { 2644 return mType; 2645 } 2646 return resolveType(resolver); 2647 } 2648 2649 /** 2650 * Check if an category exists in the intent. 2651 * 2652 * @param category The category to check. 2653 * 2654 * @return boolean True if the intent contains the category, else false. 2655 * 2656 * @see #getCategories 2657 * @see #addCategory 2658 */ 2659 public boolean hasCategory(String category) { 2660 return mCategories != null && mCategories.contains(category); 2661 } 2662 2663 /** 2664 * Return the set of all categories in the intent. If there are no categories, 2665 * returns NULL. 2666 * 2667 * @return Set The set of categories you can examine. Do not modify! 2668 * 2669 * @see #hasCategory 2670 * @see #addCategory 2671 */ 2672 public Set<String> getCategories() { 2673 return mCategories; 2674 } 2675 2676 /** 2677 * Sets the ClassLoader that will be used when unmarshalling 2678 * any Parcelable values from the extras of this Intent. 2679 * 2680 * @param loader a ClassLoader, or null to use the default loader 2681 * at the time of unmarshalling. 2682 */ 2683 public void setExtrasClassLoader(ClassLoader loader) { 2684 if (mExtras != null) { 2685 mExtras.setClassLoader(loader); 2686 } 2687 } 2688 2689 /** 2690 * Returns true if an extra value is associated with the given name. 2691 * @param name the extra's name 2692 * @return true if the given extra is present. 2693 */ 2694 public boolean hasExtra(String name) { 2695 return mExtras != null && mExtras.containsKey(name); 2696 } 2697 2698 /** 2699 * Returns true if the Intent's extras contain a parcelled file descriptor. 2700 * @return true if the Intent contains a parcelled file descriptor. 2701 */ 2702 public boolean hasFileDescriptors() { 2703 return mExtras != null && mExtras.hasFileDescriptors(); 2704 } 2705 2706 /** 2707 * Retrieve extended data from the intent. 2708 * 2709 * @param name The name of the desired item. 2710 * 2711 * @return the value of an item that previously added with putExtra() 2712 * or null if none was found. 2713 * 2714 * @deprecated 2715 * @hide 2716 */ 2717 @Deprecated 2718 public Object getExtra(String name) { 2719 return getExtra(name, null); 2720 } 2721 2722 /** 2723 * Retrieve extended data from the intent. 2724 * 2725 * @param name The name of the desired item. 2726 * @param defaultValue the value to be returned if no value of the desired 2727 * type is stored with the given name. 2728 * 2729 * @return the value of an item that previously added with putExtra() 2730 * or the default value if none was found. 2731 * 2732 * @see #putExtra(String, boolean) 2733 */ 2734 public boolean getBooleanExtra(String name, boolean defaultValue) { 2735 return mExtras == null ? defaultValue : 2736 mExtras.getBoolean(name, defaultValue); 2737 } 2738 2739 /** 2740 * Retrieve extended data from the intent. 2741 * 2742 * @param name The name of the desired item. 2743 * @param defaultValue the value to be returned if no value of the desired 2744 * type is stored with the given name. 2745 * 2746 * @return the value of an item that previously added with putExtra() 2747 * or the default value if none was found. 2748 * 2749 * @see #putExtra(String, byte) 2750 */ 2751 public byte getByteExtra(String name, byte defaultValue) { 2752 return mExtras == null ? defaultValue : 2753 mExtras.getByte(name, defaultValue); 2754 } 2755 2756 /** 2757 * Retrieve extended data from the intent. 2758 * 2759 * @param name The name of the desired item. 2760 * @param defaultValue the value to be returned if no value of the desired 2761 * type is stored with the given name. 2762 * 2763 * @return the value of an item that previously added with putExtra() 2764 * or the default value if none was found. 2765 * 2766 * @see #putExtra(String, short) 2767 */ 2768 public short getShortExtra(String name, short defaultValue) { 2769 return mExtras == null ? defaultValue : 2770 mExtras.getShort(name, defaultValue); 2771 } 2772 2773 /** 2774 * Retrieve extended data from the intent. 2775 * 2776 * @param name The name of the desired item. 2777 * @param defaultValue the value to be returned if no value of the desired 2778 * type is stored with the given name. 2779 * 2780 * @return the value of an item that previously added with putExtra() 2781 * or the default value if none was found. 2782 * 2783 * @see #putExtra(String, char) 2784 */ 2785 public char getCharExtra(String name, char defaultValue) { 2786 return mExtras == null ? defaultValue : 2787 mExtras.getChar(name, defaultValue); 2788 } 2789 2790 /** 2791 * Retrieve extended data from the intent. 2792 * 2793 * @param name The name of the desired item. 2794 * @param defaultValue the value to be returned if no value of the desired 2795 * type is stored with the given name. 2796 * 2797 * @return the value of an item that previously added with putExtra() 2798 * or the default value if none was found. 2799 * 2800 * @see #putExtra(String, int) 2801 */ 2802 public int getIntExtra(String name, int defaultValue) { 2803 return mExtras == null ? defaultValue : 2804 mExtras.getInt(name, defaultValue); 2805 } 2806 2807 /** 2808 * Retrieve extended data from the intent. 2809 * 2810 * @param name The name of the desired item. 2811 * @param defaultValue the value to be returned if no value of the desired 2812 * type is stored with the given name. 2813 * 2814 * @return the value of an item that previously added with putExtra() 2815 * or the default value if none was found. 2816 * 2817 * @see #putExtra(String, long) 2818 */ 2819 public long getLongExtra(String name, long defaultValue) { 2820 return mExtras == null ? defaultValue : 2821 mExtras.getLong(name, defaultValue); 2822 } 2823 2824 /** 2825 * Retrieve extended data from the intent. 2826 * 2827 * @param name The name of the desired item. 2828 * @param defaultValue the value to be returned if no value of the desired 2829 * type is stored with the given name. 2830 * 2831 * @return the value of an item that previously added with putExtra(), 2832 * or the default value if no such item is present 2833 * 2834 * @see #putExtra(String, float) 2835 */ 2836 public float getFloatExtra(String name, float defaultValue) { 2837 return mExtras == null ? defaultValue : 2838 mExtras.getFloat(name, defaultValue); 2839 } 2840 2841 /** 2842 * Retrieve extended data from the intent. 2843 * 2844 * @param name The name of the desired item. 2845 * @param defaultValue the value to be returned if no value of the desired 2846 * type is stored with the given name. 2847 * 2848 * @return the value of an item that previously added with putExtra() 2849 * or the default value if none was found. 2850 * 2851 * @see #putExtra(String, double) 2852 */ 2853 public double getDoubleExtra(String name, double defaultValue) { 2854 return mExtras == null ? defaultValue : 2855 mExtras.getDouble(name, defaultValue); 2856 } 2857 2858 /** 2859 * Retrieve extended data from the intent. 2860 * 2861 * @param name The name of the desired item. 2862 * 2863 * @return the value of an item that previously added with putExtra() 2864 * or null if no String value was found. 2865 * 2866 * @see #putExtra(String, String) 2867 */ 2868 public String getStringExtra(String name) { 2869 return mExtras == null ? null : mExtras.getString(name); 2870 } 2871 2872 /** 2873 * Retrieve extended data from the intent. 2874 * 2875 * @param name The name of the desired item. 2876 * 2877 * @return the value of an item that previously added with putExtra() 2878 * or null if no CharSequence value was found. 2879 * 2880 * @see #putExtra(String, CharSequence) 2881 */ 2882 public CharSequence getCharSequenceExtra(String name) { 2883 return mExtras == null ? null : mExtras.getCharSequence(name); 2884 } 2885 2886 /** 2887 * Retrieve extended data from the intent. 2888 * 2889 * @param name The name of the desired item. 2890 * 2891 * @return the value of an item that previously added with putExtra() 2892 * or null if no Parcelable value was found. 2893 * 2894 * @see #putExtra(String, Parcelable) 2895 */ 2896 public <T extends Parcelable> T getParcelableExtra(String name) { 2897 return mExtras == null ? null : mExtras.<T>getParcelable(name); 2898 } 2899 2900 /** 2901 * Retrieve extended data from the intent. 2902 * 2903 * @param name The name of the desired item. 2904 * 2905 * @return the value of an item that previously added with putExtra() 2906 * or null if no Parcelable[] value was found. 2907 * 2908 * @see #putExtra(String, Parcelable[]) 2909 */ 2910 public Parcelable[] getParcelableArrayExtra(String name) { 2911 return mExtras == null ? null : mExtras.getParcelableArray(name); 2912 } 2913 2914 /** 2915 * Retrieve extended data from the intent. 2916 * 2917 * @param name The name of the desired item. 2918 * 2919 * @return the value of an item that previously added with putExtra() 2920 * or null if no ArrayList<Parcelable> value was found. 2921 * 2922 * @see #putParcelableArrayListExtra(String, ArrayList) 2923 */ 2924 public <T extends Parcelable> ArrayList<T> getParcelableArrayListExtra(String name) { 2925 return mExtras == null ? null : mExtras.<T>getParcelableArrayList(name); 2926 } 2927 2928 /** 2929 * Retrieve extended data from the intent. 2930 * 2931 * @param name The name of the desired item. 2932 * 2933 * @return the value of an item that previously added with putExtra() 2934 * or null if no Serializable value was found. 2935 * 2936 * @see #putExtra(String, Serializable) 2937 */ 2938 public Serializable getSerializableExtra(String name) { 2939 return mExtras == null ? null : mExtras.getSerializable(name); 2940 } 2941 2942 /** 2943 * Retrieve extended data from the intent. 2944 * 2945 * @param name The name of the desired item. 2946 * 2947 * @return the value of an item that previously added with putExtra() 2948 * or null if no ArrayList<Integer> value was found. 2949 * 2950 * @see #putIntegerArrayListExtra(String, ArrayList) 2951 */ 2952 public ArrayList<Integer> getIntegerArrayListExtra(String name) { 2953 return mExtras == null ? null : mExtras.getIntegerArrayList(name); 2954 } 2955 2956 /** 2957 * Retrieve extended data from the intent. 2958 * 2959 * @param name The name of the desired item. 2960 * 2961 * @return the value of an item that previously added with putExtra() 2962 * or null if no ArrayList<String> value was found. 2963 * 2964 * @see #putStringArrayListExtra(String, ArrayList) 2965 */ 2966 public ArrayList<String> getStringArrayListExtra(String name) { 2967 return mExtras == null ? null : mExtras.getStringArrayList(name); 2968 } 2969 2970 /** 2971 * Retrieve extended data from the intent. 2972 * 2973 * @param name The name of the desired item. 2974 * 2975 * @return the value of an item that previously added with putExtra() 2976 * or null if no boolean array value was found. 2977 * 2978 * @see #putExtra(String, boolean[]) 2979 */ 2980 public boolean[] getBooleanArrayExtra(String name) { 2981 return mExtras == null ? null : mExtras.getBooleanArray(name); 2982 } 2983 2984 /** 2985 * Retrieve extended data from the intent. 2986 * 2987 * @param name The name of the desired item. 2988 * 2989 * @return the value of an item that previously added with putExtra() 2990 * or null if no byte array value was found. 2991 * 2992 * @see #putExtra(String, byte[]) 2993 */ 2994 public byte[] getByteArrayExtra(String name) { 2995 return mExtras == null ? null : mExtras.getByteArray(name); 2996 } 2997 2998 /** 2999 * Retrieve extended data from the intent. 3000 * 3001 * @param name The name of the desired item. 3002 * 3003 * @return the value of an item that previously added with putExtra() 3004 * or null if no short array value was found. 3005 * 3006 * @see #putExtra(String, short[]) 3007 */ 3008 public short[] getShortArrayExtra(String name) { 3009 return mExtras == null ? null : mExtras.getShortArray(name); 3010 } 3011 3012 /** 3013 * Retrieve extended data from the intent. 3014 * 3015 * @param name The name of the desired item. 3016 * 3017 * @return the value of an item that previously added with putExtra() 3018 * or null if no char array value was found. 3019 * 3020 * @see #putExtra(String, char[]) 3021 */ 3022 public char[] getCharArrayExtra(String name) { 3023 return mExtras == null ? null : mExtras.getCharArray(name); 3024 } 3025 3026 /** 3027 * Retrieve extended data from the intent. 3028 * 3029 * @param name The name of the desired item. 3030 * 3031 * @return the value of an item that previously added with putExtra() 3032 * or null if no int array value was found. 3033 * 3034 * @see #putExtra(String, int[]) 3035 */ 3036 public int[] getIntArrayExtra(String name) { 3037 return mExtras == null ? null : mExtras.getIntArray(name); 3038 } 3039 3040 /** 3041 * Retrieve extended data from the intent. 3042 * 3043 * @param name The name of the desired item. 3044 * 3045 * @return the value of an item that previously added with putExtra() 3046 * or null if no long array value was found. 3047 * 3048 * @see #putExtra(String, long[]) 3049 */ 3050 public long[] getLongArrayExtra(String name) { 3051 return mExtras == null ? null : mExtras.getLongArray(name); 3052 } 3053 3054 /** 3055 * Retrieve extended data from the intent. 3056 * 3057 * @param name The name of the desired item. 3058 * 3059 * @return the value of an item that previously added with putExtra() 3060 * or null if no float array value was found. 3061 * 3062 * @see #putExtra(String, float[]) 3063 */ 3064 public float[] getFloatArrayExtra(String name) { 3065 return mExtras == null ? null : mExtras.getFloatArray(name); 3066 } 3067 3068 /** 3069 * Retrieve extended data from the intent. 3070 * 3071 * @param name The name of the desired item. 3072 * 3073 * @return the value of an item that previously added with putExtra() 3074 * or null if no double array value was found. 3075 * 3076 * @see #putExtra(String, double[]) 3077 */ 3078 public double[] getDoubleArrayExtra(String name) { 3079 return mExtras == null ? null : mExtras.getDoubleArray(name); 3080 } 3081 3082 /** 3083 * Retrieve extended data from the intent. 3084 * 3085 * @param name The name of the desired item. 3086 * 3087 * @return the value of an item that previously added with putExtra() 3088 * or null if no String array value was found. 3089 * 3090 * @see #putExtra(String, String[]) 3091 */ 3092 public String[] getStringArrayExtra(String name) { 3093 return mExtras == null ? null : mExtras.getStringArray(name); 3094 } 3095 3096 /** 3097 * Retrieve extended data from the intent. 3098 * 3099 * @param name The name of the desired item. 3100 * 3101 * @return the value of an item that previously added with putExtra() 3102 * or null if no Bundle value was found. 3103 * 3104 * @see #putExtra(String, Bundle) 3105 */ 3106 public Bundle getBundleExtra(String name) { 3107 return mExtras == null ? null : mExtras.getBundle(name); 3108 } 3109 3110 /** 3111 * Retrieve extended data from the intent. 3112 * 3113 * @param name The name of the desired item. 3114 * 3115 * @return the value of an item that previously added with putExtra() 3116 * or null if no IBinder value was found. 3117 * 3118 * @see #putExtra(String, IBinder) 3119 * 3120 * @deprecated 3121 * @hide 3122 */ 3123 @Deprecated 3124 public IBinder getIBinderExtra(String name) { 3125 return mExtras == null ? null : mExtras.getIBinder(name); 3126 } 3127 3128 /** 3129 * Retrieve extended data from the intent. 3130 * 3131 * @param name The name of the desired item. 3132 * @param defaultValue The default value to return in case no item is 3133 * associated with the key 'name' 3134 * 3135 * @return the value of an item that previously added with putExtra() 3136 * or defaultValue if none was found. 3137 * 3138 * @see #putExtra 3139 * 3140 * @deprecated 3141 * @hide 3142 */ 3143 @Deprecated 3144 public Object getExtra(String name, Object defaultValue) { 3145 Object result = defaultValue; 3146 if (mExtras != null) { 3147 Object result2 = mExtras.get(name); 3148 if (result2 != null) { 3149 result = result2; 3150 } 3151 } 3152 3153 return result; 3154 } 3155 3156 /** 3157 * Retrieves a map of extended data from the intent. 3158 * 3159 * @return the map of all extras previously added with putExtra(), 3160 * or null if none have been added. 3161 */ 3162 public Bundle getExtras() { 3163 return (mExtras != null) 3164 ? new Bundle(mExtras) 3165 : null; 3166 } 3167 3168 /** 3169 * Retrieve any special flags associated with this intent. You will 3170 * normally just set them with {@link #setFlags} and let the system 3171 * take the appropriate action with them. 3172 * 3173 * @return int The currently set flags. 3174 * 3175 * @see #setFlags 3176 */ 3177 public int getFlags() { 3178 return mFlags; 3179 } 3180 3181 /** 3182 * Retrieve the application package name this Intent is limited to. When 3183 * resolving an Intent, if non-null this limits the resolution to only 3184 * components in the given application package. 3185 * 3186 * @return The name of the application package for the Intent. 3187 * 3188 * @see #resolveActivity 3189 * @see #setPackage 3190 */ 3191 public String getPackage() { 3192 return mPackage; 3193 } 3194 3195 /** 3196 * Retrieve the concrete component associated with the intent. When receiving 3197 * an intent, this is the component that was found to best handle it (that is, 3198 * yourself) and will always be non-null; in all other cases it will be 3199 * null unless explicitly set. 3200 * 3201 * @return The name of the application component to handle the intent. 3202 * 3203 * @see #resolveActivity 3204 * @see #setComponent 3205 */ 3206 public ComponentName getComponent() { 3207 return mComponent; 3208 } 3209 3210 /** 3211 * Return the Activity component that should be used to handle this intent. 3212 * The appropriate component is determined based on the information in the 3213 * intent, evaluated as follows: 3214 * 3215 * <p>If {@link #getComponent} returns an explicit class, that is returned 3216 * without any further consideration. 3217 * 3218 * <p>The activity must handle the {@link Intent#CATEGORY_DEFAULT} Intent 3219 * category to be considered. 3220 * 3221 * <p>If {@link #getAction} is non-NULL, the activity must handle this 3222 * action. 3223 * 3224 * <p>If {@link #resolveType} returns non-NULL, the activity must handle 3225 * this type. 3226 * 3227 * <p>If {@link #addCategory} has added any categories, the activity must 3228 * handle ALL of the categories specified. 3229 * 3230 * <p>If {@link #getPackage} is non-NULL, only activity components in 3231 * that application package will be considered. 3232 * 3233 * <p>If there are no activities that satisfy all of these conditions, a 3234 * null string is returned. 3235 * 3236 * <p>If multiple activities are found to satisfy the intent, the one with 3237 * the highest priority will be used. If there are multiple activities 3238 * with the same priority, the system will either pick the best activity 3239 * based on user preference, or resolve to a system class that will allow 3240 * the user to pick an activity and forward from there. 3241 * 3242 * <p>This method is implemented simply by calling 3243 * {@link PackageManager#resolveActivity} with the "defaultOnly" parameter 3244 * true.</p> 3245 * <p> This API is called for you as part of starting an activity from an 3246 * intent. You do not normally need to call it yourself.</p> 3247 * 3248 * @param pm The package manager with which to resolve the Intent. 3249 * 3250 * @return Name of the component implementing an activity that can 3251 * display the intent. 3252 * 3253 * @see #setComponent 3254 * @see #getComponent 3255 * @see #resolveActivityInfo 3256 */ 3257 public ComponentName resolveActivity(PackageManager pm) { 3258 if (mComponent != null) { 3259 return mComponent; 3260 } 3261 3262 ResolveInfo info = pm.resolveActivity( 3263 this, PackageManager.MATCH_DEFAULT_ONLY); 3264 if (info != null) { 3265 return new ComponentName( 3266 info.activityInfo.applicationInfo.packageName, 3267 info.activityInfo.name); 3268 } 3269 3270 return null; 3271 } 3272 3273 /** 3274 * Resolve the Intent into an {@link ActivityInfo} 3275 * describing the activity that should execute the intent. Resolution 3276 * follows the same rules as described for {@link #resolveActivity}, but 3277 * you get back the completely information about the resolved activity 3278 * instead of just its class name. 3279 * 3280 * @param pm The package manager with which to resolve the Intent. 3281 * @param flags Addition information to retrieve as per 3282 * {@link PackageManager#getActivityInfo(ComponentName, int) 3283 * PackageManager.getActivityInfo()}. 3284 * 3285 * @return PackageManager.ActivityInfo 3286 * 3287 * @see #resolveActivity 3288 */ 3289 public ActivityInfo resolveActivityInfo(PackageManager pm, int flags) { 3290 ActivityInfo ai = null; 3291 if (mComponent != null) { 3292 try { 3293 ai = pm.getActivityInfo(mComponent, flags); 3294 } catch (PackageManager.NameNotFoundException e) { 3295 // ignore 3296 } 3297 } else { 3298 ResolveInfo info = pm.resolveActivity( 3299 this, PackageManager.MATCH_DEFAULT_ONLY); 3300 if (info != null) { 3301 ai = info.activityInfo; 3302 } 3303 } 3304 3305 return ai; 3306 } 3307 3308 /** 3309 * Set the general action to be performed. 3310 * 3311 * @param action An action name, such as ACTION_VIEW. Application-specific 3312 * actions should be prefixed with the vendor's package name. 3313 * 3314 * @return Returns the same Intent object, for chaining multiple calls 3315 * into a single statement. 3316 * 3317 * @see #getAction 3318 */ 3319 public Intent setAction(String action) { 3320 mAction = action; 3321 return this; 3322 } 3323 3324 /** 3325 * Set the data this intent is operating on. This method automatically 3326 * clears any type that was previously set by {@link #setType}. 3327 * 3328 * <p><em>Note: scheme and host name matching in the Android framework is 3329 * case-sensitive, unlike the formal RFC. As a result, 3330 * you should always ensure that you write your Uri with these elements 3331 * using lower case letters, and normalize any Uris you receive from 3332 * outside of Android to ensure the scheme and host is lower case.</em></p> 3333 * 3334 * @param data The URI of the data this intent is now targeting. 3335 * 3336 * @return Returns the same Intent object, for chaining multiple calls 3337 * into a single statement. 3338 * 3339 * @see #getData 3340 * @see #setType 3341 * @see #setDataAndType 3342 */ 3343 public Intent setData(Uri data) { 3344 mData = data; 3345 mType = null; 3346 return this; 3347 } 3348 3349 /** 3350 * Set an explicit MIME data type. This is used to create intents that 3351 * only specify a type and not data, for example to indicate the type of 3352 * data to return. This method automatically clears any data that was 3353 * previously set by {@link #setData}. 3354 * 3355 * <p><em>Note: MIME type matching in the Android framework is 3356 * case-sensitive, unlike formal RFC MIME types. As a result, 3357 * you should always write your MIME types with lower case letters, 3358 * and any MIME types you receive from outside of Android should be 3359 * converted to lower case before supplying them here.</em></p> 3360 * 3361 * @param type The MIME type of the data being handled by this intent. 3362 * 3363 * @return Returns the same Intent object, for chaining multiple calls 3364 * into a single statement. 3365 * 3366 * @see #getType 3367 * @see #setData 3368 * @see #setDataAndType 3369 */ 3370 public Intent setType(String type) { 3371 mData = null; 3372 mType = type; 3373 return this; 3374 } 3375 3376 /** 3377 * (Usually optional) Set the data for the intent along with an explicit 3378 * MIME data type. This method should very rarely be used -- it allows you 3379 * to override the MIME type that would ordinarily be inferred from the 3380 * data with your own type given here. 3381 * 3382 * <p><em>Note: MIME type, Uri scheme, and host name matching in the 3383 * Android framework is case-sensitive, unlike the formal RFC definitions. 3384 * As a result, you should always write these elements with lower case letters, 3385 * and normalize any MIME types or Uris you receive from 3386 * outside of Android to ensure these elements are lower case before 3387 * supplying them here.</em></p> 3388 * 3389 * @param data The URI of the data this intent is now targeting. 3390 * @param type The MIME type of the data being handled by this intent. 3391 * 3392 * @return Returns the same Intent object, for chaining multiple calls 3393 * into a single statement. 3394 * 3395 * @see #setData 3396 * @see #setType 3397 */ 3398 public Intent setDataAndType(Uri data, String type) { 3399 mData = data; 3400 mType = type; 3401 return this; 3402 } 3403 3404 /** 3405 * Add a new category to the intent. Categories provide additional detail 3406 * about the action the intent is perform. When resolving an intent, only 3407 * activities that provide <em>all</em> of the requested categories will be 3408 * used. 3409 * 3410 * @param category The desired category. This can be either one of the 3411 * predefined Intent categories, or a custom category in your own 3412 * namespace. 3413 * 3414 * @return Returns the same Intent object, for chaining multiple calls 3415 * into a single statement. 3416 * 3417 * @see #hasCategory 3418 * @see #removeCategory 3419 */ 3420 public Intent addCategory(String category) { 3421 if (mCategories == null) { 3422 mCategories = new HashSet<String>(); 3423 } 3424 mCategories.add(category); 3425 return this; 3426 } 3427 3428 /** 3429 * Remove an category from an intent. 3430 * 3431 * @param category The category to remove. 3432 * 3433 * @see #addCategory 3434 */ 3435 public void removeCategory(String category) { 3436 if (mCategories != null) { 3437 mCategories.remove(category); 3438 if (mCategories.size() == 0) { 3439 mCategories = null; 3440 } 3441 } 3442 } 3443 3444 /** 3445 * Add extended data to the intent. The name must include a package 3446 * prefix, for example the app com.android.contacts would use names 3447 * like "com.android.contacts.ShowAll". 3448 * 3449 * @param name The name of the extra data, with package prefix. 3450 * @param value The boolean data value. 3451 * 3452 * @return Returns the same Intent object, for chaining multiple calls 3453 * into a single statement. 3454 * 3455 * @see #putExtras 3456 * @see #removeExtra 3457 * @see #getBooleanExtra(String, boolean) 3458 */ 3459 public Intent putExtra(String name, boolean value) { 3460 if (mExtras == null) { 3461 mExtras = new Bundle(); 3462 } 3463 mExtras.putBoolean(name, value); 3464 return this; 3465 } 3466 3467 /** 3468 * Add extended data to the intent. The name must include a package 3469 * prefix, for example the app com.android.contacts would use names 3470 * like "com.android.contacts.ShowAll". 3471 * 3472 * @param name The name of the extra data, with package prefix. 3473 * @param value The byte data value. 3474 * 3475 * @return Returns the same Intent object, for chaining multiple calls 3476 * into a single statement. 3477 * 3478 * @see #putExtras 3479 * @see #removeExtra 3480 * @see #getByteExtra(String, byte) 3481 */ 3482 public Intent putExtra(String name, byte value) { 3483 if (mExtras == null) { 3484 mExtras = new Bundle(); 3485 } 3486 mExtras.putByte(name, value); 3487 return this; 3488 } 3489 3490 /** 3491 * Add extended data to the intent. The name must include a package 3492 * prefix, for example the app com.android.contacts would use names 3493 * like "com.android.contacts.ShowAll". 3494 * 3495 * @param name The name of the extra data, with package prefix. 3496 * @param value The char data value. 3497 * 3498 * @return Returns the same Intent object, for chaining multiple calls 3499 * into a single statement. 3500 * 3501 * @see #putExtras 3502 * @see #removeExtra 3503 * @see #getCharExtra(String, char) 3504 */ 3505 public Intent putExtra(String name, char value) { 3506 if (mExtras == null) { 3507 mExtras = new Bundle(); 3508 } 3509 mExtras.putChar(name, value); 3510 return this; 3511 } 3512 3513 /** 3514 * Add extended data to the intent. The name must include a package 3515 * prefix, for example the app com.android.contacts would use names 3516 * like "com.android.contacts.ShowAll". 3517 * 3518 * @param name The name of the extra data, with package prefix. 3519 * @param value The short data value. 3520 * 3521 * @return Returns the same Intent object, for chaining multiple calls 3522 * into a single statement. 3523 * 3524 * @see #putExtras 3525 * @see #removeExtra 3526 * @see #getShortExtra(String, short) 3527 */ 3528 public Intent putExtra(String name, short value) { 3529 if (mExtras == null) { 3530 mExtras = new Bundle(); 3531 } 3532 mExtras.putShort(name, value); 3533 return this; 3534 } 3535 3536 /** 3537 * Add extended data to the intent. The name must include a package 3538 * prefix, for example the app com.android.contacts would use names 3539 * like "com.android.contacts.ShowAll". 3540 * 3541 * @param name The name of the extra data, with package prefix. 3542 * @param value The integer data value. 3543 * 3544 * @return Returns the same Intent object, for chaining multiple calls 3545 * into a single statement. 3546 * 3547 * @see #putExtras 3548 * @see #removeExtra 3549 * @see #getIntExtra(String, int) 3550 */ 3551 public Intent putExtra(String name, int value) { 3552 if (mExtras == null) { 3553 mExtras = new Bundle(); 3554 } 3555 mExtras.putInt(name, value); 3556 return this; 3557 } 3558 3559 /** 3560 * Add extended data to the intent. The name must include a package 3561 * prefix, for example the app com.android.contacts would use names 3562 * like "com.android.contacts.ShowAll". 3563 * 3564 * @param name The name of the extra data, with package prefix. 3565 * @param value The long data value. 3566 * 3567 * @return Returns the same Intent object, for chaining multiple calls 3568 * into a single statement. 3569 * 3570 * @see #putExtras 3571 * @see #removeExtra 3572 * @see #getLongExtra(String, long) 3573 */ 3574 public Intent putExtra(String name, long value) { 3575 if (mExtras == null) { 3576 mExtras = new Bundle(); 3577 } 3578 mExtras.putLong(name, value); 3579 return this; 3580 } 3581 3582 /** 3583 * Add extended data to the intent. The name must include a package 3584 * prefix, for example the app com.android.contacts would use names 3585 * like "com.android.contacts.ShowAll". 3586 * 3587 * @param name The name of the extra data, with package prefix. 3588 * @param value The float data value. 3589 * 3590 * @return Returns the same Intent object, for chaining multiple calls 3591 * into a single statement. 3592 * 3593 * @see #putExtras 3594 * @see #removeExtra 3595 * @see #getFloatExtra(String, float) 3596 */ 3597 public Intent putExtra(String name, float value) { 3598 if (mExtras == null) { 3599 mExtras = new Bundle(); 3600 } 3601 mExtras.putFloat(name, value); 3602 return this; 3603 } 3604 3605 /** 3606 * Add extended data to the intent. The name must include a package 3607 * prefix, for example the app com.android.contacts would use names 3608 * like "com.android.contacts.ShowAll". 3609 * 3610 * @param name The name of the extra data, with package prefix. 3611 * @param value The double data value. 3612 * 3613 * @return Returns the same Intent object, for chaining multiple calls 3614 * into a single statement. 3615 * 3616 * @see #putExtras 3617 * @see #removeExtra 3618 * @see #getDoubleExtra(String, double) 3619 */ 3620 public Intent putExtra(String name, double value) { 3621 if (mExtras == null) { 3622 mExtras = new Bundle(); 3623 } 3624 mExtras.putDouble(name, value); 3625 return this; 3626 } 3627 3628 /** 3629 * Add extended data to the intent. The name must include a package 3630 * prefix, for example the app com.android.contacts would use names 3631 * like "com.android.contacts.ShowAll". 3632 * 3633 * @param name The name of the extra data, with package prefix. 3634 * @param value The String data value. 3635 * 3636 * @return Returns the same Intent object, for chaining multiple calls 3637 * into a single statement. 3638 * 3639 * @see #putExtras 3640 * @see #removeExtra 3641 * @see #getStringExtra(String) 3642 */ 3643 public Intent putExtra(String name, String value) { 3644 if (mExtras == null) { 3645 mExtras = new Bundle(); 3646 } 3647 mExtras.putString(name, value); 3648 return this; 3649 } 3650 3651 /** 3652 * Add extended data to the intent. The name must include a package 3653 * prefix, for example the app com.android.contacts would use names 3654 * like "com.android.contacts.ShowAll". 3655 * 3656 * @param name The name of the extra data, with package prefix. 3657 * @param value The CharSequence data value. 3658 * 3659 * @return Returns the same Intent object, for chaining multiple calls 3660 * into a single statement. 3661 * 3662 * @see #putExtras 3663 * @see #removeExtra 3664 * @see #getCharSequenceExtra(String) 3665 */ 3666 public Intent putExtra(String name, CharSequence value) { 3667 if (mExtras == null) { 3668 mExtras = new Bundle(); 3669 } 3670 mExtras.putCharSequence(name, value); 3671 return this; 3672 } 3673 3674 /** 3675 * Add extended data to the intent. The name must include a package 3676 * prefix, for example the app com.android.contacts would use names 3677 * like "com.android.contacts.ShowAll". 3678 * 3679 * @param name The name of the extra data, with package prefix. 3680 * @param value The Parcelable data value. 3681 * 3682 * @return Returns the same Intent object, for chaining multiple calls 3683 * into a single statement. 3684 * 3685 * @see #putExtras 3686 * @see #removeExtra 3687 * @see #getParcelableExtra(String) 3688 */ 3689 public Intent putExtra(String name, Parcelable value) { 3690 if (mExtras == null) { 3691 mExtras = new Bundle(); 3692 } 3693 mExtras.putParcelable(name, value); 3694 return this; 3695 } 3696 3697 /** 3698 * Add extended data to the intent. The name must include a package 3699 * prefix, for example the app com.android.contacts would use names 3700 * like "com.android.contacts.ShowAll". 3701 * 3702 * @param name The name of the extra data, with package prefix. 3703 * @param value The Parcelable[] data value. 3704 * 3705 * @return Returns the same Intent object, for chaining multiple calls 3706 * into a single statement. 3707 * 3708 * @see #putExtras 3709 * @see #removeExtra 3710 * @see #getParcelableArrayExtra(String) 3711 */ 3712 public Intent putExtra(String name, Parcelable[] value) { 3713 if (mExtras == null) { 3714 mExtras = new Bundle(); 3715 } 3716 mExtras.putParcelableArray(name, value); 3717 return this; 3718 } 3719 3720 /** 3721 * Add extended data to the intent. The name must include a package 3722 * prefix, for example the app com.android.contacts would use names 3723 * like "com.android.contacts.ShowAll". 3724 * 3725 * @param name The name of the extra data, with package prefix. 3726 * @param value The ArrayList<Parcelable> data value. 3727 * 3728 * @return Returns the same Intent object, for chaining multiple calls 3729 * into a single statement. 3730 * 3731 * @see #putExtras 3732 * @see #removeExtra 3733 * @see #getParcelableArrayListExtra(String) 3734 */ 3735 public Intent putParcelableArrayListExtra(String name, ArrayList<? extends Parcelable> value) { 3736 if (mExtras == null) { 3737 mExtras = new Bundle(); 3738 } 3739 mExtras.putParcelableArrayList(name, value); 3740 return this; 3741 } 3742 3743 /** 3744 * Add extended data to the intent. The name must include a package 3745 * prefix, for example the app com.android.contacts would use names 3746 * like "com.android.contacts.ShowAll". 3747 * 3748 * @param name The name of the extra data, with package prefix. 3749 * @param value The ArrayList<Integer> data value. 3750 * 3751 * @return Returns the same Intent object, for chaining multiple calls 3752 * into a single statement. 3753 * 3754 * @see #putExtras 3755 * @see #removeExtra 3756 * @see #getIntegerArrayListExtra(String) 3757 */ 3758 public Intent putIntegerArrayListExtra(String name, ArrayList<Integer> value) { 3759 if (mExtras == null) { 3760 mExtras = new Bundle(); 3761 } 3762 mExtras.putIntegerArrayList(name, value); 3763 return this; 3764 } 3765 3766 /** 3767 * Add extended data to the intent. The name must include a package 3768 * prefix, for example the app com.android.contacts would use names 3769 * like "com.android.contacts.ShowAll". 3770 * 3771 * @param name The name of the extra data, with package prefix. 3772 * @param value The ArrayList<String> data value. 3773 * 3774 * @return Returns the same Intent object, for chaining multiple calls 3775 * into a single statement. 3776 * 3777 * @see #putExtras 3778 * @see #removeExtra 3779 * @see #getStringArrayListExtra(String) 3780 */ 3781 public Intent putStringArrayListExtra(String name, ArrayList<String> value) { 3782 if (mExtras == null) { 3783 mExtras = new Bundle(); 3784 } 3785 mExtras.putStringArrayList(name, value); 3786 return this; 3787 } 3788 3789 /** 3790 * Add extended data to the intent. The name must include a package 3791 * prefix, for example the app com.android.contacts would use names 3792 * like "com.android.contacts.ShowAll". 3793 * 3794 * @param name The name of the extra data, with package prefix. 3795 * @param value The Serializable data value. 3796 * 3797 * @return Returns the same Intent object, for chaining multiple calls 3798 * into a single statement. 3799 * 3800 * @see #putExtras 3801 * @see #removeExtra 3802 * @see #getSerializableExtra(String) 3803 */ 3804 public Intent putExtra(String name, Serializable value) { 3805 if (mExtras == null) { 3806 mExtras = new Bundle(); 3807 } 3808 mExtras.putSerializable(name, value); 3809 return this; 3810 } 3811 3812 /** 3813 * Add extended data to the intent. The name must include a package 3814 * prefix, for example the app com.android.contacts would use names 3815 * like "com.android.contacts.ShowAll". 3816 * 3817 * @param name The name of the extra data, with package prefix. 3818 * @param value The boolean array data value. 3819 * 3820 * @return Returns the same Intent object, for chaining multiple calls 3821 * into a single statement. 3822 * 3823 * @see #putExtras 3824 * @see #removeExtra 3825 * @see #getBooleanArrayExtra(String) 3826 */ 3827 public Intent putExtra(String name, boolean[] value) { 3828 if (mExtras == null) { 3829 mExtras = new Bundle(); 3830 } 3831 mExtras.putBooleanArray(name, value); 3832 return this; 3833 } 3834 3835 /** 3836 * Add extended data to the intent. The name must include a package 3837 * prefix, for example the app com.android.contacts would use names 3838 * like "com.android.contacts.ShowAll". 3839 * 3840 * @param name The name of the extra data, with package prefix. 3841 * @param value The byte array data value. 3842 * 3843 * @return Returns the same Intent object, for chaining multiple calls 3844 * into a single statement. 3845 * 3846 * @see #putExtras 3847 * @see #removeExtra 3848 * @see #getByteArrayExtra(String) 3849 */ 3850 public Intent putExtra(String name, byte[] value) { 3851 if (mExtras == null) { 3852 mExtras = new Bundle(); 3853 } 3854 mExtras.putByteArray(name, value); 3855 return this; 3856 } 3857 3858 /** 3859 * Add extended data to the intent. The name must include a package 3860 * prefix, for example the app com.android.contacts would use names 3861 * like "com.android.contacts.ShowAll". 3862 * 3863 * @param name The name of the extra data, with package prefix. 3864 * @param value The short array data value. 3865 * 3866 * @return Returns the same Intent object, for chaining multiple calls 3867 * into a single statement. 3868 * 3869 * @see #putExtras 3870 * @see #removeExtra 3871 * @see #getShortArrayExtra(String) 3872 */ 3873 public Intent putExtra(String name, short[] value) { 3874 if (mExtras == null) { 3875 mExtras = new Bundle(); 3876 } 3877 mExtras.putShortArray(name, value); 3878 return this; 3879 } 3880 3881 /** 3882 * Add extended data to the intent. The name must include a package 3883 * prefix, for example the app com.android.contacts would use names 3884 * like "com.android.contacts.ShowAll". 3885 * 3886 * @param name The name of the extra data, with package prefix. 3887 * @param value The char array data value. 3888 * 3889 * @return Returns the same Intent object, for chaining multiple calls 3890 * into a single statement. 3891 * 3892 * @see #putExtras 3893 * @see #removeExtra 3894 * @see #getCharArrayExtra(String) 3895 */ 3896 public Intent putExtra(String name, char[] value) { 3897 if (mExtras == null) { 3898 mExtras = new Bundle(); 3899 } 3900 mExtras.putCharArray(name, value); 3901 return this; 3902 } 3903 3904 /** 3905 * Add extended data to the intent. The name must include a package 3906 * prefix, for example the app com.android.contacts would use names 3907 * like "com.android.contacts.ShowAll". 3908 * 3909 * @param name The name of the extra data, with package prefix. 3910 * @param value The int array data value. 3911 * 3912 * @return Returns the same Intent object, for chaining multiple calls 3913 * into a single statement. 3914 * 3915 * @see #putExtras 3916 * @see #removeExtra 3917 * @see #getIntArrayExtra(String) 3918 */ 3919 public Intent putExtra(String name, int[] value) { 3920 if (mExtras == null) { 3921 mExtras = new Bundle(); 3922 } 3923 mExtras.putIntArray(name, value); 3924 return this; 3925 } 3926 3927 /** 3928 * Add extended data to the intent. The name must include a package 3929 * prefix, for example the app com.android.contacts would use names 3930 * like "com.android.contacts.ShowAll". 3931 * 3932 * @param name The name of the extra data, with package prefix. 3933 * @param value The byte array data value. 3934 * 3935 * @return Returns the same Intent object, for chaining multiple calls 3936 * into a single statement. 3937 * 3938 * @see #putExtras 3939 * @see #removeExtra 3940 * @see #getLongArrayExtra(String) 3941 */ 3942 public Intent putExtra(String name, long[] value) { 3943 if (mExtras == null) { 3944 mExtras = new Bundle(); 3945 } 3946 mExtras.putLongArray(name, value); 3947 return this; 3948 } 3949 3950 /** 3951 * Add extended data to the intent. The name must include a package 3952 * prefix, for example the app com.android.contacts would use names 3953 * like "com.android.contacts.ShowAll". 3954 * 3955 * @param name The name of the extra data, with package prefix. 3956 * @param value The float array data value. 3957 * 3958 * @return Returns the same Intent object, for chaining multiple calls 3959 * into a single statement. 3960 * 3961 * @see #putExtras 3962 * @see #removeExtra 3963 * @see #getFloatArrayExtra(String) 3964 */ 3965 public Intent putExtra(String name, float[] value) { 3966 if (mExtras == null) { 3967 mExtras = new Bundle(); 3968 } 3969 mExtras.putFloatArray(name, value); 3970 return this; 3971 } 3972 3973 /** 3974 * Add extended data to the intent. The name must include a package 3975 * prefix, for example the app com.android.contacts would use names 3976 * like "com.android.contacts.ShowAll". 3977 * 3978 * @param name The name of the extra data, with package prefix. 3979 * @param value The double array data value. 3980 * 3981 * @return Returns the same Intent object, for chaining multiple calls 3982 * into a single statement. 3983 * 3984 * @see #putExtras 3985 * @see #removeExtra 3986 * @see #getDoubleArrayExtra(String) 3987 */ 3988 public Intent putExtra(String name, double[] value) { 3989 if (mExtras == null) { 3990 mExtras = new Bundle(); 3991 } 3992 mExtras.putDoubleArray(name, value); 3993 return this; 3994 } 3995 3996 /** 3997 * Add extended data to the intent. The name must include a package 3998 * prefix, for example the app com.android.contacts would use names 3999 * like "com.android.contacts.ShowAll". 4000 * 4001 * @param name The name of the extra data, with package prefix. 4002 * @param value The String array data value. 4003 * 4004 * @return Returns the same Intent object, for chaining multiple calls 4005 * into a single statement. 4006 * 4007 * @see #putExtras 4008 * @see #removeExtra 4009 * @see #getStringArrayExtra(String) 4010 */ 4011 public Intent putExtra(String name, String[] value) { 4012 if (mExtras == null) { 4013 mExtras = new Bundle(); 4014 } 4015 mExtras.putStringArray(name, value); 4016 return this; 4017 } 4018 4019 /** 4020 * Add extended data to the intent. The name must include a package 4021 * prefix, for example the app com.android.contacts would use names 4022 * like "com.android.contacts.ShowAll". 4023 * 4024 * @param name The name of the extra data, with package prefix. 4025 * @param value The Bundle data value. 4026 * 4027 * @return Returns the same Intent object, for chaining multiple calls 4028 * into a single statement. 4029 * 4030 * @see #putExtras 4031 * @see #removeExtra 4032 * @see #getBundleExtra(String) 4033 */ 4034 public Intent putExtra(String name, Bundle value) { 4035 if (mExtras == null) { 4036 mExtras = new Bundle(); 4037 } 4038 mExtras.putBundle(name, value); 4039 return this; 4040 } 4041 4042 /** 4043 * Add extended data to the intent. The name must include a package 4044 * prefix, for example the app com.android.contacts would use names 4045 * like "com.android.contacts.ShowAll". 4046 * 4047 * @param name The name of the extra data, with package prefix. 4048 * @param value The IBinder data value. 4049 * 4050 * @return Returns the same Intent object, for chaining multiple calls 4051 * into a single statement. 4052 * 4053 * @see #putExtras 4054 * @see #removeExtra 4055 * @see #getIBinderExtra(String) 4056 * 4057 * @deprecated 4058 * @hide 4059 */ 4060 @Deprecated 4061 public Intent putExtra(String name, IBinder value) { 4062 if (mExtras == null) { 4063 mExtras = new Bundle(); 4064 } 4065 mExtras.putIBinder(name, value); 4066 return this; 4067 } 4068 4069 /** 4070 * Copy all extras in 'src' in to this intent. 4071 * 4072 * @param src Contains the extras to copy. 4073 * 4074 * @see #putExtra 4075 */ 4076 public Intent putExtras(Intent src) { 4077 if (src.mExtras != null) { 4078 if (mExtras == null) { 4079 mExtras = new Bundle(src.mExtras); 4080 } else { 4081 mExtras.putAll(src.mExtras); 4082 } 4083 } 4084 return this; 4085 } 4086 4087 /** 4088 * Add a set of extended data to the intent. The keys must include a package 4089 * prefix, for example the app com.android.contacts would use names 4090 * like "com.android.contacts.ShowAll". 4091 * 4092 * @param extras The Bundle of extras to add to this intent. 4093 * 4094 * @see #putExtra 4095 * @see #removeExtra 4096 */ 4097 public Intent putExtras(Bundle extras) { 4098 if (mExtras == null) { 4099 mExtras = new Bundle(); 4100 } 4101 mExtras.putAll(extras); 4102 return this; 4103 } 4104 4105 /** 4106 * Completely replace the extras in the Intent with the extras in the 4107 * given Intent. 4108 * 4109 * @param src The exact extras contained in this Intent are copied 4110 * into the target intent, replacing any that were previously there. 4111 */ 4112 public Intent replaceExtras(Intent src) { 4113 mExtras = src.mExtras != null ? new Bundle(src.mExtras) : null; 4114 return this; 4115 } 4116 4117 /** 4118 * Completely replace the extras in the Intent with the given Bundle of 4119 * extras. 4120 * 4121 * @param extras The new set of extras in the Intent, or null to erase 4122 * all extras. 4123 */ 4124 public Intent replaceExtras(Bundle extras) { 4125 mExtras = extras != null ? new Bundle(extras) : null; 4126 return this; 4127 } 4128 4129 /** 4130 * Remove extended data from the intent. 4131 * 4132 * @see #putExtra 4133 */ 4134 public void removeExtra(String name) { 4135 if (mExtras != null) { 4136 mExtras.remove(name); 4137 if (mExtras.size() == 0) { 4138 mExtras = null; 4139 } 4140 } 4141 } 4142 4143 /** 4144 * Set special flags controlling how this intent is handled. Most values 4145 * here depend on the type of component being executed by the Intent, 4146 * specifically the FLAG_ACTIVITY_* flags are all for use with 4147 * {@link Context#startActivity Context.startActivity()} and the 4148 * FLAG_RECEIVER_* flags are all for use with 4149 * {@link Context#sendBroadcast(Intent) Context.sendBroadcast()}. 4150 * 4151 * <p>See the <a href="{@docRoot}guide/topics/fundamentals.html#acttask">Application Fundamentals: 4152 * Activities and Tasks</a> documentation for important information on how some of these options impact 4153 * the behavior of your application. 4154 * 4155 * @param flags The desired flags. 4156 * 4157 * @return Returns the same Intent object, for chaining multiple calls 4158 * into a single statement. 4159 * 4160 * @see #getFlags 4161 * @see #addFlags 4162 * 4163 * @see #FLAG_GRANT_READ_URI_PERMISSION 4164 * @see #FLAG_GRANT_WRITE_URI_PERMISSION 4165 * @see #FLAG_DEBUG_LOG_RESOLUTION 4166 * @see #FLAG_FROM_BACKGROUND 4167 * @see #FLAG_ACTIVITY_BROUGHT_TO_FRONT 4168 * @see #FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET 4169 * @see #FLAG_ACTIVITY_CLEAR_TOP 4170 * @see #FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS 4171 * @see #FLAG_ACTIVITY_FORWARD_RESULT 4172 * @see #FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY 4173 * @see #FLAG_ACTIVITY_MULTIPLE_TASK 4174 * @see #FLAG_ACTIVITY_NEW_TASK 4175 * @see #FLAG_ACTIVITY_NO_HISTORY 4176 * @see #FLAG_ACTIVITY_NO_USER_ACTION 4177 * @see #FLAG_ACTIVITY_PREVIOUS_IS_TOP 4178 * @see #FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 4179 * @see #FLAG_ACTIVITY_SINGLE_TOP 4180 * @see #FLAG_RECEIVER_REGISTERED_ONLY 4181 */ 4182 public Intent setFlags(int flags) { 4183 mFlags = flags; 4184 return this; 4185 } 4186 4187 /** 4188 * Add additional flags to the intent (or with existing flags 4189 * value). 4190 * 4191 * @param flags The new flags to set. 4192 * 4193 * @return Returns the same Intent object, for chaining multiple calls 4194 * into a single statement. 4195 * 4196 * @see #setFlags 4197 */ 4198 public Intent addFlags(int flags) { 4199 mFlags |= flags; 4200 return this; 4201 } 4202 4203 /** 4204 * (Usually optional) Set an explicit application package name that limits 4205 * the components this Intent will resolve to. If left to the default 4206 * value of null, all components in all applications will considered. 4207 * If non-null, the Intent can only match the components in the given 4208 * application package. 4209 * 4210 * @param packageName The name of the application package to handle the 4211 * intent, or null to allow any application package. 4212 * 4213 * @return Returns the same Intent object, for chaining multiple calls 4214 * into a single statement. 4215 * 4216 * @see #getPackage 4217 * @see #resolveActivity 4218 */ 4219 public Intent setPackage(String packageName) { 4220 mPackage = packageName; 4221 return this; 4222 } 4223 4224 /** 4225 * (Usually optional) Explicitly set the component to handle the intent. 4226 * If left with the default value of null, the system will determine the 4227 * appropriate class to use based on the other fields (action, data, 4228 * type, categories) in the Intent. If this class is defined, the 4229 * specified class will always be used regardless of the other fields. You 4230 * should only set this value when you know you absolutely want a specific 4231 * class to be used; otherwise it is better to let the system find the 4232 * appropriate class so that you will respect the installed applications 4233 * and user preferences. 4234 * 4235 * @param component The name of the application component to handle the 4236 * intent, or null to let the system find one for you. 4237 * 4238 * @return Returns the same Intent object, for chaining multiple calls 4239 * into a single statement. 4240 * 4241 * @see #setClass 4242 * @see #setClassName(Context, String) 4243 * @see #setClassName(String, String) 4244 * @see #getComponent 4245 * @see #resolveActivity 4246 */ 4247 public Intent setComponent(ComponentName component) { 4248 mComponent = component; 4249 return this; 4250 } 4251 4252 /** 4253 * Convenience for calling {@link #setComponent} with an 4254 * explicit class name. 4255 * 4256 * @param packageContext A Context of the application package implementing 4257 * this class. 4258 * @param className The name of a class inside of the application package 4259 * that will be used as the component for this Intent. 4260 * 4261 * @return Returns the same Intent object, for chaining multiple calls 4262 * into a single statement. 4263 * 4264 * @see #setComponent 4265 * @see #setClass 4266 */ 4267 public Intent setClassName(Context packageContext, String className) { 4268 mComponent = new ComponentName(packageContext, className); 4269 return this; 4270 } 4271 4272 /** 4273 * Convenience for calling {@link #setComponent} with an 4274 * explicit application package name and class name. 4275 * 4276 * @param packageName The name of the package implementing the desired 4277 * component. 4278 * @param className The name of a class inside of the application package 4279 * that will be used as the component for this Intent. 4280 * 4281 * @return Returns the same Intent object, for chaining multiple calls 4282 * into a single statement. 4283 * 4284 * @see #setComponent 4285 * @see #setClass 4286 */ 4287 public Intent setClassName(String packageName, String className) { 4288 mComponent = new ComponentName(packageName, className); 4289 return this; 4290 } 4291 4292 /** 4293 * Convenience for calling {@link #setComponent(ComponentName)} with the 4294 * name returned by a {@link Class} object. 4295 * 4296 * @param packageContext A Context of the application package implementing 4297 * this class. 4298 * @param cls The class name to set, equivalent to 4299 * <code>setClassName(context, cls.getName())</code>. 4300 * 4301 * @return Returns the same Intent object, for chaining multiple calls 4302 * into a single statement. 4303 * 4304 * @see #setComponent 4305 */ 4306 public Intent setClass(Context packageContext, Class<?> cls) { 4307 mComponent = new ComponentName(packageContext, cls); 4308 return this; 4309 } 4310 4311 /** 4312 * Use with {@link #fillIn} to allow the current action value to be 4313 * overwritten, even if it is already set. 4314 */ 4315 public static final int FILL_IN_ACTION = 1<<0; 4316 4317 /** 4318 * Use with {@link #fillIn} to allow the current data or type value 4319 * overwritten, even if it is already set. 4320 */ 4321 public static final int FILL_IN_DATA = 1<<1; 4322 4323 /** 4324 * Use with {@link #fillIn} to allow the current categories to be 4325 * overwritten, even if they are already set. 4326 */ 4327 public static final int FILL_IN_CATEGORIES = 1<<2; 4328 4329 /** 4330 * Use with {@link #fillIn} to allow the current component value to be 4331 * overwritten, even if it is already set. 4332 */ 4333 public static final int FILL_IN_COMPONENT = 1<<3; 4334 4335 /** 4336 * Use with {@link #fillIn} to allow the current package value to be 4337 * overwritten, even if it is already set. 4338 */ 4339 public static final int FILL_IN_PACKAGE = 1<<4; 4340 4341 /** 4342 * Copy the contents of <var>other</var> in to this object, but only 4343 * where fields are not defined by this object. For purposes of a field 4344 * being defined, the following pieces of data in the Intent are 4345 * considered to be separate fields: 4346 * 4347 * <ul> 4348 * <li> action, as set by {@link #setAction}. 4349 * <li> data URI and MIME type, as set by {@link #setData(Uri)}, 4350 * {@link #setType(String)}, or {@link #setDataAndType(Uri, String)}. 4351 * <li> categories, as set by {@link #addCategory}. 4352 * <li> package, as set by {@link #setPackage}. 4353 * <li> component, as set by {@link #setComponent(ComponentName)} or 4354 * related methods. 4355 * <li> each top-level name in the associated extras. 4356 * </ul> 4357 * 4358 * <p>In addition, you can use the {@link #FILL_IN_ACTION}, 4359 * {@link #FILL_IN_DATA}, {@link #FILL_IN_CATEGORIES}, {@link #FILL_IN_PACKAGE}, 4360 * and {@link #FILL_IN_COMPONENT} to override the restriction where the 4361 * corresponding field will not be replaced if it is already set. 4362 * 4363 * <p>For example, consider Intent A with {data="foo", categories="bar"} 4364 * and Intent B with {action="gotit", data-type="some/thing", 4365 * categories="one","two"}. 4366 * 4367 * <p>Calling A.fillIn(B, Intent.FILL_IN_DATA) will result in A now 4368 * containing: {action="gotit", data-type="some/thing", 4369 * categories="bar"}. 4370 * 4371 * @param other Another Intent whose values are to be used to fill in 4372 * the current one. 4373 * @param flags Options to control which fields can be filled in. 4374 * 4375 * @return Returns a bit mask of {@link #FILL_IN_ACTION}, 4376 * {@link #FILL_IN_DATA}, {@link #FILL_IN_CATEGORIES}, {@link #FILL_IN_PACKAGE}, 4377 * and {@link #FILL_IN_COMPONENT} indicating which fields were changed. 4378 */ 4379 public int fillIn(Intent other, int flags) { 4380 int changes = 0; 4381 if (other.mAction != null 4382 && (mAction == null || (flags&FILL_IN_ACTION) != 0)) { 4383 mAction = other.mAction; 4384 changes |= FILL_IN_ACTION; 4385 } 4386 if ((other.mData != null || other.mType != null) 4387 && ((mData == null && mType == null) 4388 || (flags&FILL_IN_DATA) != 0)) { 4389 mData = other.mData; 4390 mType = other.mType; 4391 changes |= FILL_IN_DATA; 4392 } 4393 if (other.mCategories != null 4394 && (mCategories == null || (flags&FILL_IN_CATEGORIES) != 0)) { 4395 if (other.mCategories != null) { 4396 mCategories = new HashSet<String>(other.mCategories); 4397 } 4398 changes |= FILL_IN_CATEGORIES; 4399 } 4400 if (other.mPackage != null 4401 && (mPackage == null || (flags&FILL_IN_PACKAGE) != 0)) { 4402 mPackage = other.mPackage; 4403 changes |= FILL_IN_PACKAGE; 4404 } 4405 // Component is special: it can -only- be set if explicitly allowed, 4406 // since otherwise the sender could force the intent somewhere the 4407 // originator didn't intend. 4408 if (other.mComponent != null && (flags&FILL_IN_COMPONENT) != 0) { 4409 mComponent = other.mComponent; 4410 changes |= FILL_IN_COMPONENT; 4411 } 4412 mFlags |= other.mFlags; 4413 if (mExtras == null) { 4414 if (other.mExtras != null) { 4415 mExtras = new Bundle(other.mExtras); 4416 } 4417 } else if (other.mExtras != null) { 4418 try { 4419 Bundle newb = new Bundle(other.mExtras); 4420 newb.putAll(mExtras); 4421 mExtras = newb; 4422 } catch (RuntimeException e) { 4423 // Modifying the extras can cause us to unparcel the contents 4424 // of the bundle, and if we do this in the system process that 4425 // may fail. We really should handle this (i.e., the Bundle 4426 // impl shouldn't be on top of a plain map), but for now just 4427 // ignore it and keep the original contents. :( 4428 Log.w("Intent", "Failure filling in extras", e); 4429 } 4430 } 4431 return changes; 4432 } 4433 4434 /** 4435 * Wrapper class holding an Intent and implementing comparisons on it for 4436 * the purpose of filtering. The class implements its 4437 * {@link #equals equals()} and {@link #hashCode hashCode()} methods as 4438 * simple calls to {@link Intent#filterEquals(Intent)} filterEquals()} and 4439 * {@link android.content.Intent#filterHashCode()} filterHashCode()} 4440 * on the wrapped Intent. 4441 */ 4442 public static final class FilterComparison { 4443 private final Intent mIntent; 4444 private final int mHashCode; 4445 4446 public FilterComparison(Intent intent) { 4447 mIntent = intent; 4448 mHashCode = intent.filterHashCode(); 4449 } 4450 4451 /** 4452 * Return the Intent that this FilterComparison represents. 4453 * @return Returns the Intent held by the FilterComparison. Do 4454 * not modify! 4455 */ 4456 public Intent getIntent() { 4457 return mIntent; 4458 } 4459 4460 @Override 4461 public boolean equals(Object obj) { 4462 if (obj instanceof FilterComparison) { 4463 Intent other = ((FilterComparison)obj).mIntent; 4464 return mIntent.filterEquals(other); 4465 } 4466 return false; 4467 } 4468 4469 @Override 4470 public int hashCode() { 4471 return mHashCode; 4472 } 4473 } 4474 4475 /** 4476 * Determine if two intents are the same for the purposes of intent 4477 * resolution (filtering). That is, if their action, data, type, 4478 * class, and categories are the same. This does <em>not</em> compare 4479 * any extra data included in the intents. 4480 * 4481 * @param other The other Intent to compare against. 4482 * 4483 * @return Returns true if action, data, type, class, and categories 4484 * are the same. 4485 */ 4486 public boolean filterEquals(Intent other) { 4487 if (other == null) { 4488 return false; 4489 } 4490 if (mAction != other.mAction) { 4491 if (mAction != null) { 4492 if (!mAction.equals(other.mAction)) { 4493 return false; 4494 } 4495 } else { 4496 if (!other.mAction.equals(mAction)) { 4497 return false; 4498 } 4499 } 4500 } 4501 if (mData != other.mData) { 4502 if (mData != null) { 4503 if (!mData.equals(other.mData)) { 4504 return false; 4505 } 4506 } else { 4507 if (!other.mData.equals(mData)) { 4508 return false; 4509 } 4510 } 4511 } 4512 if (mType != other.mType) { 4513 if (mType != null) { 4514 if (!mType.equals(other.mType)) { 4515 return false; 4516 } 4517 } else { 4518 if (!other.mType.equals(mType)) { 4519 return false; 4520 } 4521 } 4522 } 4523 if (mPackage != other.mPackage) { 4524 if (mPackage != null) { 4525 if (!mPackage.equals(other.mPackage)) { 4526 return false; 4527 } 4528 } else { 4529 if (!other.mPackage.equals(mPackage)) { 4530 return false; 4531 } 4532 } 4533 } 4534 if (mComponent != other.mComponent) { 4535 if (mComponent != null) { 4536 if (!mComponent.equals(other.mComponent)) { 4537 return false; 4538 } 4539 } else { 4540 if (!other.mComponent.equals(mComponent)) { 4541 return false; 4542 } 4543 } 4544 } 4545 if (mCategories != other.mCategories) { 4546 if (mCategories != null) { 4547 if (!mCategories.equals(other.mCategories)) { 4548 return false; 4549 } 4550 } else { 4551 if (!other.mCategories.equals(mCategories)) { 4552 return false; 4553 } 4554 } 4555 } 4556 4557 return true; 4558 } 4559 4560 /** 4561 * Generate hash code that matches semantics of filterEquals(). 4562 * 4563 * @return Returns the hash value of the action, data, type, class, and 4564 * categories. 4565 * 4566 * @see #filterEquals 4567 */ 4568 public int filterHashCode() { 4569 int code = 0; 4570 if (mAction != null) { 4571 code += mAction.hashCode(); 4572 } 4573 if (mData != null) { 4574 code += mData.hashCode(); 4575 } 4576 if (mType != null) { 4577 code += mType.hashCode(); 4578 } 4579 if (mPackage != null) { 4580 code += mPackage.hashCode(); 4581 } 4582 if (mComponent != null) { 4583 code += mComponent.hashCode(); 4584 } 4585 if (mCategories != null) { 4586 code += mCategories.hashCode(); 4587 } 4588 return code; 4589 } 4590 4591 @Override 4592 public String toString() { 4593 StringBuilder b = new StringBuilder(128); 4594 4595 b.append("Intent { "); 4596 toShortString(b, true, true); 4597 b.append(" }"); 4598 4599 return b.toString(); 4600 } 4601 4602 /** @hide */ 4603 public String toShortString(boolean comp, boolean extras) { 4604 StringBuilder b = new StringBuilder(128); 4605 toShortString(b, comp, extras); 4606 return b.toString(); 4607 } 4608 4609 /** @hide */ 4610 public void toShortString(StringBuilder b, boolean comp, boolean extras) { 4611 boolean first = true; 4612 if (mAction != null) { 4613 b.append("act=").append(mAction); 4614 first = false; 4615 } 4616 if (mCategories != null) { 4617 if (!first) { 4618 b.append(' '); 4619 } 4620 first = false; 4621 b.append("cat=["); 4622 Iterator<String> i = mCategories.iterator(); 4623 boolean didone = false; 4624 while (i.hasNext()) { 4625 if (didone) b.append(","); 4626 didone = true; 4627 b.append(i.next()); 4628 } 4629 b.append("]"); 4630 } 4631 if (mData != null) { 4632 if (!first) { 4633 b.append(' '); 4634 } 4635 first = false; 4636 b.append("dat=").append(mData); 4637 } 4638 if (mType != null) { 4639 if (!first) { 4640 b.append(' '); 4641 } 4642 first = false; 4643 b.append("typ=").append(mType); 4644 } 4645 if (mFlags != 0) { 4646 if (!first) { 4647 b.append(' '); 4648 } 4649 first = false; 4650 b.append("flg=0x").append(Integer.toHexString(mFlags)); 4651 } 4652 if (mPackage != null) { 4653 if (!first) { 4654 b.append(' '); 4655 } 4656 first = false; 4657 b.append("pkg=").append(mPackage); 4658 } 4659 if (comp && mComponent != null) { 4660 if (!first) { 4661 b.append(' '); 4662 } 4663 first = false; 4664 b.append("cmp=").append(mComponent.flattenToShortString()); 4665 } 4666 if (extras && mExtras != null) { 4667 if (!first) { 4668 b.append(' '); 4669 } 4670 first = false; 4671 b.append("(has extras)"); 4672 } 4673 } 4674 4675 /** 4676 * Call {@link #toUri} with 0 flags. 4677 * @deprecated Use {@link #toUri} instead. 4678 */ 4679 @Deprecated 4680 public String toURI() { 4681 return toUri(0); 4682 } 4683 4684 /** 4685 * Convert this Intent into a String holding a URI representation of it. 4686 * The returned URI string has been properly URI encoded, so it can be 4687 * used with {@link Uri#parse Uri.parse(String)}. The URI contains the 4688 * Intent's data as the base URI, with an additional fragment describing 4689 * the action, categories, type, flags, package, component, and extras. 4690 * 4691 * <p>You can convert the returned string back to an Intent with 4692 * {@link #getIntent}. 4693 * 4694 * @param flags Additional operating flags. Either 0 or 4695 * {@link #URI_INTENT_SCHEME}. 4696 * 4697 * @return Returns a URI encoding URI string describing the entire contents 4698 * of the Intent. 4699 */ 4700 public String toUri(int flags) { 4701 StringBuilder uri = new StringBuilder(128); 4702 String scheme = null; 4703 if (mData != null) { 4704 String data = mData.toString(); 4705 if ((flags&URI_INTENT_SCHEME) != 0) { 4706 final int N = data.length(); 4707 for (int i=0; i<N; i++) { 4708 char c = data.charAt(i); 4709 if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') 4710 || c == '.' || c == '-') { 4711 continue; 4712 } 4713 if (c == ':' && i > 0) { 4714 // Valid scheme. 4715 scheme = data.substring(0, i); 4716 uri.append("intent:"); 4717 data = data.substring(i+1); 4718 break; 4719 } 4720 4721 // No scheme. 4722 break; 4723 } 4724 } 4725 uri.append(data); 4726 4727 } else if ((flags&URI_INTENT_SCHEME) != 0) { 4728 uri.append("intent:"); 4729 } 4730 4731 uri.append("#Intent;"); 4732 4733 if (scheme != null) { 4734 uri.append("scheme=").append(scheme).append(';'); 4735 } 4736 if (mAction != null) { 4737 uri.append("action=").append(Uri.encode(mAction)).append(';'); 4738 } 4739 if (mCategories != null) { 4740 for (String category : mCategories) { 4741 uri.append("category=").append(Uri.encode(category)).append(';'); 4742 } 4743 } 4744 if (mType != null) { 4745 uri.append("type=").append(Uri.encode(mType, "/")).append(';'); 4746 } 4747 if (mFlags != 0) { 4748 uri.append("launchFlags=0x").append(Integer.toHexString(mFlags)).append(';'); 4749 } 4750 if (mPackage != null) { 4751 uri.append("package=").append(Uri.encode(mPackage)).append(';'); 4752 } 4753 if (mComponent != null) { 4754 uri.append("component=").append(Uri.encode( 4755 mComponent.flattenToShortString(), "/")).append(';'); 4756 } 4757 if (mExtras != null) { 4758 for (String key : mExtras.keySet()) { 4759 final Object value = mExtras.get(key); 4760 char entryType = 4761 value instanceof String ? 'S' : 4762 value instanceof Boolean ? 'B' : 4763 value instanceof Byte ? 'b' : 4764 value instanceof Character ? 'c' : 4765 value instanceof Double ? 'd' : 4766 value instanceof Float ? 'f' : 4767 value instanceof Integer ? 'i' : 4768 value instanceof Long ? 'l' : 4769 value instanceof Short ? 's' : 4770 '\0'; 4771 4772 if (entryType != '\0') { 4773 uri.append(entryType); 4774 uri.append('.'); 4775 uri.append(Uri.encode(key)); 4776 uri.append('='); 4777 uri.append(Uri.encode(value.toString())); 4778 uri.append(';'); 4779 } 4780 } 4781 } 4782 4783 uri.append("end"); 4784 4785 return uri.toString(); 4786 } 4787 4788 public int describeContents() { 4789 return (mExtras != null) ? mExtras.describeContents() : 0; 4790 } 4791 4792 public void writeToParcel(Parcel out, int flags) { 4793 out.writeString(mAction); 4794 Uri.writeToParcel(out, mData); 4795 out.writeString(mType); 4796 out.writeInt(mFlags); 4797 out.writeString(mPackage); 4798 ComponentName.writeToParcel(mComponent, out); 4799 4800 if (mCategories != null) { 4801 out.writeInt(mCategories.size()); 4802 for (String category : mCategories) { 4803 out.writeString(category); 4804 } 4805 } else { 4806 out.writeInt(0); 4807 } 4808 4809 out.writeBundle(mExtras); 4810 } 4811 4812 public static final Parcelable.Creator<Intent> CREATOR 4813 = new Parcelable.Creator<Intent>() { 4814 public Intent createFromParcel(Parcel in) { 4815 return new Intent(in); 4816 } 4817 public Intent[] newArray(int size) { 4818 return new Intent[size]; 4819 } 4820 }; 4821 4822 private Intent(Parcel in) { 4823 readFromParcel(in); 4824 } 4825 4826 public void readFromParcel(Parcel in) { 4827 mAction = in.readString(); 4828 mData = Uri.CREATOR.createFromParcel(in); 4829 mType = in.readString(); 4830 mFlags = in.readInt(); 4831 mPackage = in.readString(); 4832 mComponent = ComponentName.readFromParcel(in); 4833 4834 int N = in.readInt(); 4835 if (N > 0) { 4836 mCategories = new HashSet<String>(); 4837 int i; 4838 for (i=0; i<N; i++) { 4839 mCategories.add(in.readString()); 4840 } 4841 } else { 4842 mCategories = null; 4843 } 4844 4845 mExtras = in.readBundle(); 4846 } 4847 4848 /** 4849 * Parses the "intent" element (and its children) from XML and instantiates 4850 * an Intent object. The given XML parser should be located at the tag 4851 * where parsing should start (often named "intent"), from which the 4852 * basic action, data, type, and package and class name will be 4853 * retrieved. The function will then parse in to any child elements, 4854 * looking for <category android:name="xxx"> tags to add categories and 4855 * <extra android:name="xxx" android:value="yyy"> to attach extra data 4856 * to the intent. 4857 * 4858 * @param resources The Resources to use when inflating resources. 4859 * @param parser The XML parser pointing at an "intent" tag. 4860 * @param attrs The AttributeSet interface for retrieving extended 4861 * attribute data at the current <var>parser</var> location. 4862 * @return An Intent object matching the XML data. 4863 * @throws XmlPullParserException If there was an XML parsing error. 4864 * @throws IOException If there was an I/O error. 4865 */ 4866 public static Intent parseIntent(Resources resources, XmlPullParser parser, AttributeSet attrs) 4867 throws XmlPullParserException, IOException { 4868 Intent intent = new Intent(); 4869 4870 TypedArray sa = resources.obtainAttributes(attrs, 4871 com.android.internal.R.styleable.Intent); 4872 4873 intent.setAction(sa.getString(com.android.internal.R.styleable.Intent_action)); 4874 4875 String data = sa.getString(com.android.internal.R.styleable.Intent_data); 4876 String mimeType = sa.getString(com.android.internal.R.styleable.Intent_mimeType); 4877 intent.setDataAndType(data != null ? Uri.parse(data) : null, mimeType); 4878 4879 String packageName = sa.getString(com.android.internal.R.styleable.Intent_targetPackage); 4880 String className = sa.getString(com.android.internal.R.styleable.Intent_targetClass); 4881 if (packageName != null && className != null) { 4882 intent.setComponent(new ComponentName(packageName, className)); 4883 } 4884 4885 sa.recycle(); 4886 4887 int outerDepth = parser.getDepth(); 4888 int type; 4889 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 4890 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 4891 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 4892 continue; 4893 } 4894 4895 String nodeName = parser.getName(); 4896 if (nodeName.equals("category")) { 4897 sa = resources.obtainAttributes(attrs, 4898 com.android.internal.R.styleable.IntentCategory); 4899 String cat = sa.getString(com.android.internal.R.styleable.IntentCategory_name); 4900 sa.recycle(); 4901 4902 if (cat != null) { 4903 intent.addCategory(cat); 4904 } 4905 XmlUtils.skipCurrentTag(parser); 4906 4907 } else if (nodeName.equals("extra")) { 4908 if (intent.mExtras == null) { 4909 intent.mExtras = new Bundle(); 4910 } 4911 resources.parseBundleExtra("extra", attrs, intent.mExtras); 4912 XmlUtils.skipCurrentTag(parser); 4913 4914 } else { 4915 XmlUtils.skipCurrentTag(parser); 4916 } 4917 } 4918 4919 return intent; 4920 } 4921} 4922