File Doc Category Size Date Package
Intent.java API Doc Android 1.5 API 183896 Wed May 06 22:41:54 BST 2009 android.content

Intent

java.lang.Object

public class Intent extends Object implements android.os.Parcelable

An intent is an abstract description of an operation to be performed. It can be used with {@link Context#startActivity(Intent) startActivity} to launch an {@link android.app.Activity}, {@link android.content.Context#sendBroadcast(Intent) broadcastIntent} to send it to any interested {@link BroadcastReceiver BroadcastReceiver} components, and {@link android.content.Context#startService} or {@link android.content.Context#bindService} to communicate with a background {@link android.app.Service}.

An Intent provides a facility for performing late runtime binding between the code in different applications. Its most significant use is in the launching of activities, where it can be thought of as the glue between activities. It is basically a passive data structure holding an abstract description of an action to be performed. The primary pieces of information in an intent are:

action -- The general action to be performed, such as {@link #ACTION_VIEW}, {@link #ACTION_EDIT}, {@link #ACTION_MAIN}, etc.
data -- The data to operate on, such as a person record in the contacts database, expressed as a {@link android.net.Uri}.

Some examples of action/data pairs are:

{@link #ACTION_VIEW} content://contacts/1 -- Display information about the person whose identifier is "1".
{@link #ACTION_DIAL} content://contacts/1 -- Display the phone dialer with the person filled in.
{@link #ACTION_VIEW} tel:123 -- Display the phone dialer with the given number filled in. Note how the VIEW action does what what is considered the most reasonable thing for a particular URI.
{@link #ACTION_DIAL} tel:123 -- Display the phone dialer with the given number filled in.
{@link #ACTION_EDIT} content://contacts/1 -- Edit information about the person whose identifier is "1".
{@link #ACTION_VIEW} content://contacts/ -- Display a list of people, which the user can browse through. This example is a typical top-level entry into the Contacts application, showing you the list of people. Selecting a particular person to view would result in a new intent { {@link #ACTION_VIEW} content://contacts/N } being used to start an activity to display that person.

In addition to these primary attributes, there are a number of secondary attributes that you can also include with an intent:

category -- Gives additional information about the action to execute. For example, {@link #CATEGORY_LAUNCHER} means it should appear in the Launcher as a top-level application, while {@link #CATEGORY_ALTERNATIVE} means it should be included in a list of alternative actions the user can perform on a piece of data.
type -- Specifies an explicit type (a MIME type) of the intent data. Normally the type is inferred from the data itself. By setting this attribute, you disable that evaluation and force an explicit type.
component -- Specifies an explicit name of a component class to use for the intent. Normally this is determined by looking at the other information in the intent (the action, data/type, and categories) and matching that with a component that can handle it. If this attribute is set then none of the evaluation is performed, and this component is used exactly as is. By specifying this attribute, all of the other Intent attributes become optional.
extras -- This is a {@link Bundle} of any additional information. This can be used to provide extended information to the component. For example, if we have a action to send an e-mail message, we could also include extra pieces of data here to supply a subject, body, etc.

Here are some examples of other operations you can specify as intents using these additional parameters:

{@link #ACTION_MAIN} with category {@link #CATEGORY_HOME} -- Launch the home screen.
{@link #ACTION_GET_CONTENT} with MIME type {@link android.provider.Contacts.Phones#CONTENT_URI vnd.android.cursor.item/phone} -- Display the list of people's phone numbers, allowing the user to browse through them and pick one and return it to the parent activity.
{@link #ACTION_GET_CONTENT} with MIME type *{@literal /}* and category {@link #CATEGORY_OPENABLE} -- Display all pickers for data that can be opened with {@link ContentResolver#openInputStream(Uri) ContentResolver.openInputStream()}, allowing the user to pick one of them and then some data inside of it and returning the resulting URI to the caller. This can be used, for example, in an e-mail application to allow the user to pick some data to include as an attachment.

There are a variety of standard Intent action and category constants defined in the Intent class, but applications can also define their own. These strings use java style scoping, to ensure they are unique -- for example, the standard {@link #ACTION_VIEW} is called "android.app.action.VIEW".

Put together, the set of actions, data types, categories, and extra data defines a language for the system allowing for the expression of phrases such as "call john smith's cell". As applications are added to the system, they can extend this language by adding new actions, types, and categories, or they can modify the behavior of existing phrases by supplying their own activities that handle them.

Intent Resolution

There are two primary forms of intents you will use.

Explicit Intents have specified a component (via {@link #setComponent} or {@link #setClass}), which provides the exact class to be run. Often these will not include any other information, simply being a way for an application to launch various internal activities it has as the user interacts with the application.
Implicit Intents have not specified a component; instead, they must include enough information for the system to determine which of the available components is best to run for that intent.

When using implicit intents, given such an arbitrary intent we need to know what to do with it. This is handled by the process of Intent resolution, which maps an Intent to an {@link android.app.Activity}, {@link BroadcastReceiver}, or {@link android.app.Service} (or sometimes two or more activities/receivers) that can handle it.

The intent resolution mechanism basically revolves around matching an Intent against all of the <intent-filter> descriptions in the installed application packages. (Plus, in the case of broadcasts, any {@link BroadcastReceiver} objects explicitly registered with {@link Context#registerReceiver}.) More details on this can be found in the documentation on the {@link IntentFilter} class.

There are three pieces of information in the Intent that are used for resolution: the action, type, and category. Using this information, a query is done on the {@link PackageManager} for a component that can handle the intent. The appropriate component is determined based on the intent information supplied in the AndroidManifest.xml file as follows:

The action, if given, must be listed by the component as one it handles.
The type is retrieved from the Intent's data, if not already supplied in the Intent. Like the action, if a type is included in the intent (either explicitly or implicitly in its data), then this must be listed by the component as one it handles.
For data that is not a content: URI and where no explicit type is included in the Intent, instead the scheme of the intent data (such as http: or mailto:) is considered. Again like the action, if we are matching a scheme it must be listed by the component as one it can handle.
The categories, if supplied, must all be listed by the activity as categories it handles. That is, if you include the categories {@link #CATEGORY_LAUNCHER} and {@link #CATEGORY_ALTERNATIVE}, then you will only resolve to components with an intent that lists both of those categories. Activities will very often need to support the {@link #CATEGORY_DEFAULT} so that they can be found by {@link Context#startActivity Context.startActivity()}.

For example, consider the Note Pad sample application that allows user to browse through a list of notes data and view details about individual items. Text in italics indicate places were you would replace a name with one specific to your own package.

 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.notepad">
<application android:icon="@drawable/app_notes"
android:label="@string/app_name">

<provider class=".NotePadProvider"
android:authorities="com.google.provider.NotePad" />

<activity class=".NotesList" android:label="@string/title_notes_list">
<intent-filter>
<action android:value="android.intent.action.MAIN" />
<category android:value="android.intent.category.LAUNCHER" />
</intent-filter>
<intent-filter>
<action android:value="android.intent.action.VIEW" />
<action android:value="android.intent.action.EDIT" />
<action android:value="android.intent.action.PICK" />
<category android:value="android.intent.category.DEFAULT" />
<type android:value="vnd.android.cursor.dir/vnd.google.note" />
</intent-filter>
<intent-filter>
<action android:value="android.intent.action.GET_CONTENT" />
<category android:value="android.intent.category.DEFAULT" />
<type android:value="vnd.android.cursor.item/vnd.google.note" />
</intent-filter>
</activity>

<activity class=".NoteEditor" android:label="@string/title_note">
<intent-filter android:label="@string/resolve_edit">
<action android:value="android.intent.action.VIEW" />
<action android:value="android.intent.action.EDIT" />
<category android:value="android.intent.category.DEFAULT" />
<type android:value="vnd.android.cursor.item/vnd.google.note" />
</intent-filter>

<intent-filter>
<action android:value="android.intent.action.INSERT" />
<category android:value="android.intent.category.DEFAULT" />
<type android:value="vnd.android.cursor.dir/vnd.google.note" />
</intent-filter>

</activity>

<activity class=".TitleEditor" android:label="@string/title_edit_title"
android:theme="@android:style/Theme.Dialog">
<intent-filter android:label="@string/resolve_title">
<action android:value="com.android.notepad.action.EDIT_TITLE" />
<category android:value="android.intent.category.DEFAULT" />
<category android:value="android.intent.category.ALTERNATIVE" />
<category android:value="android.intent.category.SELECTED_ALTERNATIVE" />
<type android:value="vnd.android.cursor.item/vnd.google.note" />
</intent-filter>
</activity>

</application>
</manifest>

The first activity, com.android.notepad.NotesList, serves as our main entry into the app. It can do three things as described by its three intent templates:

```
<intent-filter>
<action android:value="{@link #ACTION_MAIN android.intent.action.MAIN}" />
<category android:value="{@link #CATEGORY_LAUNCHER android.intent.category.LAUNCHER}" />
</intent-filter>
```
This provides a top-level entry into the NotePad application: the standard MAIN action is a main entry point (not requiring any other information in the Intent), and the LAUNCHER category says that this entry point should be listed in the application launcher.
```
<intent-filter>
<action android:value="{@link #ACTION_VIEW android.intent.action.VIEW}" />
<action android:value="{@link #ACTION_EDIT android.intent.action.EDIT}" />
<action android:value="{@link #ACTION_PICK android.intent.action.PICK}" />
<category android:value="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" />
<type android:value="vnd.android.cursor.dir/vnd.google.note" />
</intent-filter>
```
This declares the things that the activity can do on a directory of notes. The type being supported is given with the <type> tag, where vnd.android.cursor.dir/vnd.google.note is a URI from which a Cursor of zero or more items (vnd.android.cursor.dir) can be retrieved which holds our note pad data (vnd.google.note). The activity allows the user to view or edit the directory of data (via the VIEW and EDIT actions), or to pick a particular note and return it to the caller (via the PICK action). Note also the DEFAULT category supplied here: this is required for the {@link Context#startActivity Context.startActivity} method to resolve your activity when its component name is not explicitly specified.
```
<intent-filter>
<action android:value="{@link #ACTION_GET_CONTENT android.intent.action.GET_CONTENT}" />
<category android:value="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" />
<type android:value="vnd.android.cursor.item/vnd.google.note" />
</intent-filter>
```
This filter describes the ability return to the caller a note selected by the user without needing to know where it came from. The data type vnd.android.cursor.item/vnd.google.note is a URI from which a Cursor of exactly one (vnd.android.cursor.item) item can be retrieved which contains our note pad data (vnd.google.note). The GET_CONTENT action is similar to the PICK action, where the activity will return to its caller a piece of data selected by the user. Here, however, the caller specifies the type of data they desire instead of the type of data the user will be picking from.

Given these capabilities, the following intents will resolve to the NotesList activity:

{ action=android.app.action.MAIN } matches all of the activities that can be used as top-level entry points into an application.
{ action=android.app.action.MAIN, category=android.app.category.LAUNCHER } is the actual intent used by the Launcher to populate its top-level list.
{ action=android.app.action.VIEW data=content://com.google.provider.NotePad/notes } displays a list of all the notes under "content://com.google.provider.NotePad/notes", which the user can browse through and see the details on.
{ action=android.app.action.PICK data=content://com.google.provider.NotePad/notes } provides a list of the notes under "content://com.google.provider.NotePad/notes", from which the user can pick a note whose data URL is returned back to the caller.
{ action=android.app.action.GET_CONTENT type=vnd.android.cursor.item/vnd.google.note } is similar to the pick action, but allows the caller to specify the kind of data they want back so that the system can find the appropriate activity to pick something of that data type.

The second activity, com.android.notepad.NoteEditor, shows the user a single note entry and allows them to edit it. It can do two things as described by its two intent templates:

<intent-filter android:label="@string/resolve_edit">
<action android:value="{@link #ACTION_VIEW android.intent.action.VIEW}" />
<action android:value="{@link #ACTION_EDIT android.intent.action.EDIT}" />
<category android:value="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" />
<type android:value="vnd.android.cursor.item/vnd.google.note" />
</intent-filter>

The first, primary, purpose of this activity is to let the user interact with a single note, as decribed by the MIME type vnd.android.cursor.item/vnd.google.note. The activity can either VIEW a note or allow the user to EDIT it. Again we support the DEFAULT category to allow the activity to be launched without explicitly specifying its component.

```
<intent-filter>
<action android:value="{@link #ACTION_INSERT android.intent.action.INSERT}" />
<category android:value="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" />
<type android:value="vnd.android.cursor.dir/vnd.google.note" />
</intent-filter>
```
The secondary use of this activity is to insert a new note entry into an existing directory of notes. This is used when the user creates a new note: the INSERT action is executed on the directory of notes, causing this activity to run and have the user create the new note data which it then adds to the content provider.

Given these capabilities, the following intents will resolve to the NoteEditor activity:

{ action=android.app.action.VIEW data=content://com.google.provider.NotePad/notes/{ID} } shows the user the content of note {ID}.
{ action=android.app.action.EDIT data=content://com.google.provider.NotePad/notes/{ID} } allows the user to edit the content of note {ID}.
{ action=android.app.action.INSERT data=content://com.google.provider.NotePad/notes } creates a new, empty note in the notes list at "content://com.google.provider.NotePad/notes" and allows the user to edit it. If they keep their changes, the URI of the newly created note is returned to the caller.

The last activity, com.android.notepad.TitleEditor, allows the user to edit the title of a note. This could be implemented as a class that the application directly invokes (by explicitly setting its component in the Intent), but here we show a way you can publish alternative operations on existing data:

<intent-filter android:label="@string/resolve_title">
<action android:value="com.android.notepad.action.EDIT_TITLE" />
<category android:value="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" />
<category android:value="{@link #CATEGORY_ALTERNATIVE android.intent.category.ALTERNATIVE}" />
<category android:value="{@link #CATEGORY_SELECTED_ALTERNATIVE android.intent.category.SELECTED_ALTERNATIVE}" />
<type android:value="vnd.android.cursor.item/vnd.google.note" />
</intent-filter>

In the single intent template here, we have created our own private action called com.android.notepad.action.EDIT_TITLE which means to edit the title of a note. It must be invoked on a specific note (data type vnd.android.cursor.item/vnd.google.note) like the previous view and edit actions, but here displays and edits the title contained in the note data.

In addition to supporting the default category as usual, our title editor also supports two other standard categories: ALTERNATIVE and SELECTED_ALTERNATIVE. Implementing these categories allows others to find the special action it provides without directly knowing about it, through the {@link android.content.pm.PackageManager#queryIntentActivityOptions} method, or more often to build dynamic menu items with {@link android.view.Menu#addIntentOptions}. Note that in the intent template here was also supply an explicit name for the template (via android:label="@string/resolve_title") to better control what the user sees when presented with this activity as an alternative action to the data they are viewing.

Given these capabilities, the following intent will resolve to the TitleEditor activity:

{ action=com.android.notepad.action.EDIT_TITLE data=content://com.google.provider.NotePad/notes/{ID} } displays and allows the user to edit the title associated with note {ID}.

Standard Activity Actions

These are the current standard actions that Intent defines for launching activities (usually through {@link Context#startActivity}. The most important, and by far most frequently used, are {@link #ACTION_MAIN} and {@link #ACTION_EDIT}.

{@link #ACTION_MAIN}
{@link #ACTION_VIEW}
{@link #ACTION_ATTACH_DATA}
{@link #ACTION_EDIT}
{@link #ACTION_PICK}
{@link #ACTION_CHOOSER}
{@link #ACTION_GET_CONTENT}
{@link #ACTION_DIAL}
{@link #ACTION_CALL}
{@link #ACTION_SEND}
{@link #ACTION_SENDTO}
{@link #ACTION_ANSWER}
{@link #ACTION_INSERT}
{@link #ACTION_DELETE}
{@link #ACTION_RUN}
{@link #ACTION_SYNC}
{@link #ACTION_PICK_ACTIVITY}
{@link #ACTION_SEARCH}
{@link #ACTION_WEB_SEARCH}
{@link #ACTION_FACTORY_TEST}

Standard Broadcast Actions

These are the current standard actions that Intent defines for receiving broadcasts (usually through {@link Context#registerReceiver} or a <receiver> tag in a manifest).

{@link #ACTION_TIME_TICK}
{@link #ACTION_TIME_CHANGED}
{@link #ACTION_TIMEZONE_CHANGED}
{@link #ACTION_BOOT_COMPLETED}
{@link #ACTION_PACKAGE_ADDED}
{@link #ACTION_PACKAGE_CHANGED}
{@link #ACTION_PACKAGE_REMOVED}
{@link #ACTION_PACKAGE_RESTARTED}
{@link #ACTION_PACKAGE_DATA_CLEARED}
{@link #ACTION_UID_REMOVED}
{@link #ACTION_BATTERY_CHANGED}

Standard Categories

These are the current standard categories that can be used to further clarify an Intent via {@link #addCategory}.

{@link #CATEGORY_DEFAULT}
{@link #CATEGORY_BROWSABLE}
{@link #CATEGORY_TAB}
{@link #CATEGORY_ALTERNATIVE}
{@link #CATEGORY_SELECTED_ALTERNATIVE}
{@link #CATEGORY_LAUNCHER}
{@link #CATEGORY_INFO}
{@link #CATEGORY_HOME}
{@link #CATEGORY_PREFERENCE}
{@link #CATEGORY_TEST}

Standard Extra Data

These are the current standard fields that can be used as extra data via {@link #putExtra}.

{@link #EXTRA_TEMPLATE}
{@link #EXTRA_INTENT}
{@link #EXTRA_STREAM}
{@link #EXTRA_TEXT}

Flags

These are the possible flags that can be used in the Intent via {@link #setFlags} and {@link #addFlags}. See {@link #setFlags} for a list of all possible flags.

Fields Summary
public static final String
ACTION_MAIN
Activity Action: Start as a main entry point, does not expect to receive data.
Input: nothing
Output: nothing
public static final String
ACTION_VIEW
Activity Action: Display the data to the user. This is the most common action performed on data -- it is the generic action you can use on a piece of data to get the most reasonable thing to occur. For example, when used on a contacts entry it will view the entry; when used on a mailto: URI it will bring up a compose window filled with the information supplied by the URI; when used with a tel: URI it will invoke the dialer.
Input: {@link #getData} is URI from which to retrieve data.
Output: nothing.
public static final String
ACTION_DEFAULT
A synonym for {@link #ACTION_VIEW}, the "standard" action that is performed on a piece of data.
public static final String
ACTION_ATTACH_DATA
Used to indicate that some piece of data should be attached to some other place. For example, image data could be attached to a contact. It is up to the recipient to decide where the data should be attached; the intent does not specify the ultimate destination.
Input: {@link #getData} is URI of data to be attached.
Output: nothing.
public static final String
ACTION_EDIT
Activity Action: Provide explicit editable access to the given data.
Input: {@link #getData} is URI of data to be edited.
Output: nothing.
public static final String
ACTION_INSERT_OR_EDIT
Activity Action: Pick an existing item, or insert a new item, and then edit it.
Input: {@link #getType} is the desired MIME type of the item to create or edit. The extras can contain type specific data to pass through to the editing/creating activity.
Output: The URI of the item that was picked. This must be a content: URI so that any receiver can access it.
public static final String
ACTION_PICK
Activity Action: Pick an item from the data, returning what was selected.
Input: {@link #getData} is URI containing a directory of data (vnd.android.cursor.dir/*) from which to pick an item.
Output: The URI of the item that was picked.
public static final String
ACTION_CREATE_SHORTCUT
Activity Action: Creates a shortcut.
Input: Nothing.

Output: An Intent representing the shortcut. The intent must contain three extras: SHORTCUT_INTENT (value: Intent), SHORTCUT_NAME (value: String), and SHORTCUT_ICON (value: Bitmap) or SHORTCUT_ICON_RESOURCE (value: ShortcutIconResource).
public static final String
EXTRA_SHORTCUT_INTENT
The name of the extra used to define the Intent of a shortcut.
public static final String
EXTRA_SHORTCUT_NAME
The name of the extra used to define the name of a shortcut.
public static final String
EXTRA_SHORTCUT_ICON
The name of the extra used to define the icon, as a Bitmap, of a shortcut.
public static final String
EXTRA_SHORTCUT_ICON_RESOURCE
The name of the extra used to define the icon, as a ShortcutIconResource, of a shortcut.
public static final String
ACTION_CHOOSER
Activity Action: Display an activity chooser, allowing the user to pick what they want to before proceeding. This can be used as an alternative to the standard activity picker that is displayed by the system when you try to start an activity with multiple possible matches, with these differences in behavior:

You can specify the title that will appear in the activity chooser.
The user does not have the option to make one of the matching activities a preferred activity, and all possible activities will always be shown even if one of them is currently marked as the preferred activity.

This action should be used when the user will naturally expect to select an activity in order to proceed. An example if when not to use it is when the user clicks on a "mailto:" link. They would naturally expect to go directly to their mail app, so startActivity() should be called directly: it will either launch the current preferred app, or put up a dialog allowing the user to pick an app to use and optionally marking that as preferred.
In contrast, if the user is selecting a menu item to send a picture they are viewing to someone else, there are many different things they may want to do at this point: send it through e-mail, upload it to a web service, etc. In this case the CHOOSER action should be used, to always present to the user a list of the things they can do, with a nice title given by the caller such as "Send this photo with:".
As a convenience, an Intent of this form can be created with the {@link #createChooser} function.
Input: No data should be specified. get*Extra must have a {@link #EXTRA_INTENT} field containing the Intent being executed, and can optionally have a {@link #EXTRA_TITLE} field containing the title text to display in the chooser.
Output: Depends on the protocol of {@link #EXTRA_INTENT}.
public static final String
ACTION_GET_CONTENT
Activity Action: Allow the user to select a particular kind of data and return it. This is different than {@link #ACTION_PICK} in that here we just say what kind of data is desired, not a URI of existing data from which the user can pick. A ACTION_GET_CONTENT could allow the user to create the data as it runs (for example taking a picture or recording a sound), let them browser over the web and download the desired data, etc.
There are two main ways to use this action: if you want an specific kind of data, such as a person contact, you set the MIME type to the kind of data you want and launch it with {@link Context#startActivity(Intent)}. The system will then launch the best application to select that kind of data for you.
You may also be interested in any of a set of types of content the user can pick. For example, an e-mail application that wants to allow the user to add an attachment to an e-mail message can use this action to bring up a list of all of the types of content the user can attach.
In this case, you should wrap the GET_CONTENT intent with a chooser (through {@link #createChooser}), which will give the proper interface for the user to pick how to send your data and allow you to specify a prompt indicating what they are doing. You will usually specify a broad MIME type (such as image/* or {@literal *}/*), resulting in a broad range of content types the user can select from.
When using such a broad GET_CONTENT action, it is often desireable to only pick from data that can be represented as a stream. This is accomplished by requiring the {@link #CATEGORY_OPENABLE} in the Intent.
Input: {@link #getType} is the desired MIME type to retrieve. Note that no URI is supplied in the intent, as there are no constraints on where the returned data originally comes from. You may also include the {@link #CATEGORY_OPENABLE} if you can only accept data that can be opened as a stream.
Output: The URI of the item that was picked. This must be a content: URI so that any receiver can access it.
public static final String
ACTION_DIAL
Activity Action: Dial a number as specified by the data. This shows a UI with the number being dialed, allowing the user to explicitly initiate the call.
Input: If nothing, an empty dialer is started; else {@link #getData} is URI of a phone number to be dialed or a tel: URI of an explicit phone number.
Output: nothing.
public static final String
ACTION_CALL
Activity Action: Perform a call to someone specified by the data.
Input: If nothing, an empty dialer is started; else {@link #getData} is URI of a phone number to be dialed or a tel: URI of an explicit phone number.
Output: nothing.
Note: there will be restrictions on which applications can initiate a call; most applications should use the {@link #ACTION_DIAL}.
Note: this Intent cannot be used to call emergency numbers. Applications can dial emergency numbers using {@link #ACTION_DIAL}, however.
public static final String
ACTION_CALL_EMERGENCY
Activity Action: Perform a call to an emergency number specified by the data.
Input: {@link #getData} is URI of a phone number to be dialed or a tel: URI of an explicit phone number.
Output: nothing.
public static final String
ACTION_CALL_PRIVILEGED
Activity action: Perform a call to any number (emergency or not) specified by the data.
Input: {@link #getData} is URI of a phone number to be dialed or a tel: URI of an explicit phone number.
Output: nothing.
public static final String
ACTION_SENDTO
Activity Action: Send a message to someone specified by the data.
Input: {@link #getData} is URI describing the target.
Output: nothing.
public static final String
ACTION_SEND
Activity Action: Deliver some data to someone else. Who the data is being delivered to is not specified; it is up to the receiver of this action to ask the user where the data should be sent.
When launching a SEND intent, you should usually wrap it in a chooser (through {@link #createChooser}), which will give the proper interface for the user to pick how to send your data and allow you to specify a prompt indicating what they are doing.
Input: {@link #getType} is the MIME type of the data being sent. get*Extra can have either a {@link #EXTRA_TEXT} or {@link #EXTRA_STREAM} field, containing the data to be sent. If using EXTRA_TEXT, the MIME type should be "text/plain"; otherwise it should be the MIME type of the data in EXTRA_STREAM. Use {@literal *}/* if the MIME type is unknown (this will only allow senders that can handle generic data streams).
Optional standard extras, which may be interpreted by some recipients as appropriate, are: {@link #EXTRA_EMAIL}, {@link #EXTRA_CC}, {@link #EXTRA_BCC}, {@link #EXTRA_SUBJECT}.
Output: nothing.
public static final String
ACTION_ANSWER
Activity Action: Handle an incoming phone call.
Input: nothing.
Output: nothing.
public static final String
ACTION_INSERT
Activity Action: Insert an empty item into the given container.
Input: {@link #getData} is URI of the directory (vnd.android.cursor.dir/*) in which to place the data.
Output: URI of the new data that was created.
public static final String
ACTION_DELETE
Activity Action: Delete the given data from its container.
Input: {@link #getData} is URI of data to be deleted.
Output: nothing.
public static final String
ACTION_RUN
Activity Action: Run the data, whatever that means.
Input: ? (Note: this is currently specific to the test harness.)
Output: nothing.
public static final String
ACTION_SYNC
Activity Action: Perform a data synchronization.
Input: ?
Output: ?
public static final String
ACTION_PICK_ACTIVITY
Activity Action: Pick an activity given an intent, returning the class selected.
Input: get*Extra field {@link #EXTRA_INTENT} is an Intent used with {@link PackageManager#queryIntentActivities} to determine the set of activities from which to pick.
Output: Class name of the activity that was selected.
public static final String
ACTION_SEARCH
Activity Action: Perform a search.
Input: {@link android.app.SearchManager#QUERY getStringExtra(SearchManager.QUERY)} is the text to search for. If empty, simply enter your search results Activity with the search UI activated.
Output: nothing.
public static final String
ACTION_SYSTEM_TUTORIAL
Activity Action: Start the platform-defined tutorial
Input: {@link android.app.SearchManager#QUERY getStringExtra(SearchManager.QUERY)} is the text to search for. If empty, simply enter your search results Activity with the search UI activated.
Output: nothing.
public static final String
ACTION_WEB_SEARCH
Activity Action: Perform a web search.
Input: {@link android.app.SearchManager#QUERY getStringExtra(SearchManager.QUERY)} is the text to search for. If it is a url starts with http or https, the site will be opened. If it is plain text, Google search will be applied.
Output: nothing.
public static final String
ACTION_ALL_APPS
Activity Action: List all available applications
Input: Nothing.
Output: nothing.
public static final String
ACTION_SET_WALLPAPER
Activity Action: Show settings for choosing wallpaper
Input: Nothing.
Output: Nothing.
public static final String
ACTION_BUG_REPORT
Activity Action: Show activity for reporting a bug.
Input: Nothing.
Output: Nothing.
public static final String
ACTION_FACTORY_TEST
Activity Action: Main entry point for factory tests. Only used when the device is booting in factory test node. The implementing package must be installed in the system image.
Input: nothing
Output: nothing
public static final String
ACTION_CALL_BUTTON
Activity Action: The user pressed the "call" button to go to the dialer or other appropriate UI for placing a call.
Input: Nothing.
Output: Nothing.
public static final String
ACTION_VOICE_COMMAND
Activity Action: Start Voice Command.
Input: Nothing.
Output: Nothing.
public static final String
ACTION_SEARCH_LONG_PRESS
Activity Action: Start action associated with long pressing on the search key.
Input: Nothing.
Output: Nothing.
public static final String
ACTION_SCREEN_OFF
Broadcast Action: Sent after the screen turns off.
public static final String
ACTION_SCREEN_ON
Broadcast Action: Sent after the screen turns on.
public static final String
ACTION_USER_PRESENT
Broadcast Action: Sent when the user is present after device wakes up (e.g when the keyguard is gone).
public static final String
ACTION_TIME_TICK
Broadcast Action: The current time has changed. Sent every minute. You can not receive this through components declared in manifests, only by exlicitly registering for it with {@link Context#registerReceiver(BroadcastReceiver, IntentFilter) Context.registerReceiver()}.
public static final String
ACTION_TIME_CHANGED
Broadcast Action: The time was set.
public static final String
ACTION_DATE_CHANGED
Broadcast Action: The date has changed.
public static final String
ACTION_TIMEZONE_CHANGED
Broadcast Action: The timezone has changed. The intent will have the following extra values:

time-zone - The java.util.TimeZone.getID() value identifying the new time zone.

public static final String
ACTION_ALARM_CHANGED
Alarm Changed Action: This is broadcast when the AlarmClock application's alarm is set or unset. It is used by the AlarmClock application and the StatusBar service.
public static final String
ACTION_SYNC_STATE_CHANGED
Sync State Changed Action: This is broadcast when the sync starts or stops or when one has been failing for a long time. It is used by the SyncManager and the StatusBar service.
public static final String
ACTION_BOOT_COMPLETED
Broadcast Action: This is broadcast once, after the system has finished booting. It can be used to perform application-specific initialization, such as installing alarms. You must hold the {@link android.Manifest.permission#RECEIVE_BOOT_COMPLETED} permission in order to receive this broadcast.
public static final String
ACTION_CLOSE_SYSTEM_DIALOGS
Broadcast Action: This is broadcast when a user action should request a temporary system dialog to dismiss. Some examples of temporary system dialogs are the notification window-shade and the recent tasks dialog.
public static final String
ACTION_PACKAGE_INSTALL
Broadcast Action: Trigger the download and eventual installation of a package.
Input: {@link #getData} is the URI of the package file to download.
public static final String
ACTION_PACKAGE_ADDED
Broadcast Action: A new application package has been installed on the device. The data contains the name of the package. Note that the newly installed package does not receive this broadcast.
My include the following extras:

{@link #EXTRA_UID} containing the integer uid assigned to the new package.
{@link #EXTRA_REPLACING} is set to true if this is following an {@link #ACTION_PACKAGE_REMOVED} broadcast for the same package.
public static final String
ACTION_PACKAGE_REPLACED
Broadcast Action: A new version of an application package has been installed, replacing an existing version that was previously installed. The data contains the name of the package.
My include the following extras:

{@link #EXTRA_UID} containing the integer uid assigned to the new package.
public static final String
ACTION_PACKAGE_REMOVED
Broadcast Action: An existing application package has been removed from the device. The data contains the name of the package. The package that is being installed does not receive this Intent.

{@link #EXTRA_UID} containing the integer uid previously assigned to the package.
{@link #EXTRA_DATA_REMOVED} is set to true if the entire application -- data and code -- is being removed.
{@link #EXTRA_REPLACING} is set to true if this will be followed by an {@link #ACTION_PACKAGE_ADDED} broadcast for the same package.
public static final String
ACTION_PACKAGE_CHANGED
Broadcast Action: An existing application package has been changed (e.g. a component has been enabled or disabled. The data contains the name of the package.

{@link #EXTRA_UID} containing the integer uid assigned to the package.
public static final String
ACTION_PACKAGE_RESTARTED
Broadcast Action: The user has restarted a package, and all of its processes have been killed. All runtime state associated with it (processes, alarms, notifications, etc) should be removed. Note that the restarted package does not receive this broadcast. The data contains the name of the package.

{@link #EXTRA_UID} containing the integer uid assigned to the package.
public static final String
ACTION_PACKAGE_DATA_CLEARED
Broadcast Action: The user has cleared the data of a package. This should be preceded by {@link #ACTION_PACKAGE_RESTARTED}, after which all of its persistent data is erased and this broadcast sent. Note that the cleared package does not receive this broadcast. The data contains the name of the package.

{@link #EXTRA_UID} containing the integer uid assigned to the package.
public static final String
ACTION_UID_REMOVED
Broadcast Action: A user ID has been removed from the system. The user ID number is stored in the extra data under {@link #EXTRA_UID}.
public static final String
ACTION_WALLPAPER_CHANGED
Broadcast Action: The current system wallpaper has changed. See {@link Context#getWallpaper} for retrieving the new wallpaper.
public static final String
ACTION_CONFIGURATION_CHANGED
Broadcast Action: The current device {@link android.content.res.Configuration} (orientation, locale, etc) has changed. When such a change happens, the UIs (view hierarchy) will need to be rebuilt based on this new information; for the most part, applications don't need to worry about this, because the system will take care of stopping and restarting the application to make sure it sees the new changes. Some system code that can not be restarted will need to watch for this action and handle it appropriately.
public static final String
ACTION_BATTERY_CHANGED
Broadcast Action: The charging state, or charge level of the battery has changed.
You can not receive this through components declared in manifests, only by exlicitly registering for it with {@link Context#registerReceiver(BroadcastReceiver, IntentFilter) Context.registerReceiver()}.
public static final String
ACTION_BATTERY_LOW
Broadcast Action: Indicates low battery condition on the device. This broadcast corresponds to the "Low battery warning" system dialog.
public static final String
ACTION_DEVICE_STORAGE_LOW
Broadcast Action: Indicates low memory condition on the device
public static final String
ACTION_DEVICE_STORAGE_OK
Broadcast Action: Indicates low memory condition on the device no longer exists
public static final String
ACTION_MANAGE_PACKAGE_STORAGE
Broadcast Action: Indicates low memory condition notification acknowledged by user and package management should be started. This is triggered by the user from the ACTION_DEVICE_STORAGE_LOW notification.
public static final String
ACTION_UMS_CONNECTED
Broadcast Action: The device has entered USB Mass Storage mode. This is used mainly for the USB Settings panel. Apps should listen for ACTION_MEDIA_MOUNTED and ACTION_MEDIA_UNMOUNTED broadcasts to be notified when the SD card file system is mounted or unmounted
public static final String
ACTION_UMS_DISCONNECTED
Broadcast Action: The device has exited USB Mass Storage mode. This is used mainly for the USB Settings panel. Apps should listen for ACTION_MEDIA_MOUNTED and ACTION_MEDIA_UNMOUNTED broadcasts to be notified when the SD card file system is mounted or unmounted
public static final String
ACTION_MEDIA_REMOVED
Broadcast Action: External media has been removed. The path to the mount point for the removed media is contained in the Intent.mData field.
public static final String
ACTION_MEDIA_UNMOUNTED
Broadcast Action: External media is present, but not mounted at its mount point. The path to the mount point for the removed media is contained in the Intent.mData field.
public static final String
ACTION_MEDIA_CHECKING
Broadcast Action: External media is present, and being disk-checked The path to the mount point for the checking media is contained in the Intent.mData field.
public static final String
ACTION_MEDIA_NOFS
Broadcast Action: External media is present, but is using an incompatible fs (or is blank) The path to the mount point for the checking media is contained in the Intent.mData field.
public static final String
ACTION_MEDIA_MOUNTED
Broadcast Action: External media is present and mounted at its mount point. The path to the mount point for the removed media is contained in the Intent.mData field. The Intent contains an extra with name "read-only" and Boolean value to indicate if the media was mounted read only.
public static final String
ACTION_MEDIA_SHARED
Broadcast Action: External media is unmounted because it is being shared via USB mass storage. The path to the mount point for the removed media is contained in the Intent.mData field.
public static final String
ACTION_MEDIA_BAD_REMOVAL
Broadcast Action: External media was removed from SD card slot, but mount point was not unmounted. The path to the mount point for the removed media is contained in the Intent.mData field.
public static final String
ACTION_MEDIA_UNMOUNTABLE
Broadcast Action: External media is present but cannot be mounted. The path to the mount point for the removed media is contained in the Intent.mData field.
public static final String
ACTION_MEDIA_EJECT
Broadcast Action: User has expressed the desire to remove the external storage media. Applications should close all files they have open within the mount point when they receive this intent. The path to the mount point for the media to be ejected is contained in the Intent.mData field.
public static final String
ACTION_MEDIA_SCANNER_STARTED
Broadcast Action: The media scanner has started scanning a directory. The path to the directory being scanned is contained in the Intent.mData field.
public static final String
ACTION_MEDIA_SCANNER_FINISHED
Broadcast Action: The media scanner has finished scanning a directory. The path to the scanned directory is contained in the Intent.mData field.
public static final String
ACTION_MEDIA_SCANNER_SCAN_FILE
Broadcast Action: Request the media scanner to scan a file and add it to the media database. The path to the file is contained in the Intent.mData field.
public static final String
ACTION_MEDIA_BUTTON
Broadcast Action: The "Media Button" was pressed. Includes a single extra field, {@link #EXTRA_KEY_EVENT}, containing the key event that caused the broadcast.
public static final String
ACTION_CAMERA_BUTTON
Broadcast Action: The "Camera Button" was pressed. Includes a single extra field, {@link #EXTRA_KEY_EVENT}, containing the key event that caused the broadcast.
public static final String
ACTION_GTALK_SERVICE_CONNECTED
Broadcast Action: An GTalk connection has been established.
public static final String
ACTION_GTALK_SERVICE_DISCONNECTED
Broadcast Action: An GTalk connection has been disconnected.
public static final String
ACTION_INPUT_METHOD_CHANGED
Broadcast Action: An input method has been changed.
public static final String
ACTION_AIRPLANE_MODE_CHANGED
Broadcast Action: The user has switched the phone into or out of Airplane Mode. One or more radios have been turned off or on. The intent will have the following extra value:

state - A boolean value indicating whether Airplane Mode is on. If true, then cell radio and possibly other radios such as bluetooth or WiFi may have also been turned off

public static final String
ACTION_PROVIDER_CHANGED
Broadcast Action: Some content providers have parts of their namespace where they publish new events or items that the user may be especially interested in. For these things, they may broadcast this action when the set of interesting items change. For example, GmailProvider sends this notification when the set of unread mail in the inbox changes.
The data of the intent identifies which part of which provider changed. When queried through the content resolver, the data URI will return the data set in question.
The intent will have the following extra values:

count - The number of items in the data set. This is the same as the number of items in the cursor returned by querying the data URI.

This intent will be sent at boot (if the count is non-zero) and when the data set changes. It is possible for the data set to change without the count changing (for example, if a new unread message arrives in the same sync operation in which a message is archived). The phone should still ring/vibrate/etc as normal in this case.
public static final String
ACTION_HEADSET_PLUG
Broadcast Action: Wired Headset plugged in or unplugged.
The intent will have the following extra values:

state - 0 for unplugged, 1 for plugged.

name - Headset type, human readable string

public static final String
ACTION_NEW_OUTGOING_CALL
Broadcast Action: An outgoing call is about to be placed.
The Intent will have the following extra value:

{@link android.content.Intent#EXTRA_PHONE_NUMBER} - the phone number originally intended to be dialed.

Once the broadcast is finished, the resultData is used as the actual number to call. If null, no call will be placed.

It is perfectly acceptable for multiple receivers to process the outgoing call in turn: for example, a parental control application might verify that the user is authorized to place the call at that time, then a number-rewriting application might add an area code if one was not specified.

For consistency, any receiver whose purpose is to prohibit phone calls should have a priority of 0, to ensure it will see the final phone number to be dialed. Any receiver whose purpose is to rewrite phone numbers to be called should have a positive priority. Negative priorities are reserved for the system for this broadcast; using them may cause problems.

Any BroadcastReceiver receiving this Intent must not abort the broadcast.

Emergency calls cannot be intercepted using this mechanism, and other calls cannot be modified to call emergency numbers using this mechanism.
You must hold the {@link android.Manifest.permission#PROCESS_OUTGOING_CALLS} permission to receive this Intent.
public static final String
ACTION_REBOOT
Broadcast Action: Have the device reboot. This is only for use by system code.
public static final String
CATEGORY_DEFAULT
Set if the activity should be an option for the default action (center press) to perform on a piece of data. Setting this will hide from the user any activities without it set when performing an action on some data. Note that this is normal -not- set in the Intent when initiating an action -- it is for use in intent filters specified in packages.
public static final String
CATEGORY_BROWSABLE
Activities that can be safely invoked from a browser must support this category. For example, if the user is viewing a web page or an e-mail and clicks on a link in the text, the Intent generated execute that link will require the BROWSABLE category, so that only activities supporting this category will be considered as possible actions. By supporting this category, you are promising that there is nothing damaging (without user intervention) that can happen by invoking any matching Intent.
public static final String
CATEGORY_ALTERNATIVE
Set if the activity should be considered as an alternative action to the data the user is currently viewing. See also {@link #CATEGORY_SELECTED_ALTERNATIVE} for an alternative action that applies to the selection in a list of items.
Supporting this category means that you would like your activity to be displayed in the set of alternative things the user can do, usually as part of the current activity's options menu. You will usually want to include a specific label in the <intent-filter> of this action describing to the user what it does.
The action of IntentFilter with this category is important in that it describes the specific action the target will perform. This generally should not be a generic action (such as {@link #ACTION_VIEW}, but rather a specific name such as "com.android.camera.action.CROP. Only one alternative of any particular action will be shown to the user, so using a specific action like this makes sure that your alternative will be displayed while also allowing other applications to provide their own overrides of that particular action.
public static final String
CATEGORY_SELECTED_ALTERNATIVE
Set if the activity should be considered as an alternative selection action to the data the user has currently selected. This is like {@link #CATEGORY_ALTERNATIVE}, but is used in activities showing a list of items from which the user can select, giving them alternatives to the default action that will be performed on it.
public static final String
CATEGORY_TAB
Intended to be used as a tab inside of an containing TabActivity.
public static final String
CATEGORY_LAUNCHER
Should be displayed in the top-level launcher.
public static final String
CATEGORY_INFO
Provides information about the package it is in; typically used if a package does not contain a {@link #CATEGORY_LAUNCHER} to provide a front-door to the user without having to be shown in the all apps list.
public static final String
CATEGORY_HOME
This is the home activity, that is the first activity that is displayed when the device boots.
public static final String
CATEGORY_PREFERENCE
This activity is a preference panel.
public static final String
CATEGORY_DEVELOPMENT_PREFERENCE
This activity is a development preference panel.
public static final String
CATEGORY_EMBED
Capable of running inside a parent activity container.
public static final String
CATEGORY_MONKEY
This activity may be exercised by the monkey or other automated test tools.
public static final String
CATEGORY_TEST
To be used as a test (not part of the normal user experience).
public static final String
CATEGORY_UNIT_TEST
To be used as a unit test (run through the Test Harness).
public static final String
CATEGORY_SAMPLE_CODE
To be used as an sample code example (not part of the normal user experience).
public static final String
CATEGORY_OPENABLE
Used to indicate that a GET_CONTENT intent only wants URIs that can be opened with ContentResolver.openInputStream. Openable URIs must support the columns in OpenableColumns when queried, though it is allowable for those columns to be blank.
public static final String
CATEGORY_FRAMEWORK_INSTRUMENTATION_TEST
To be used as code under test for framework instrumentation tests.
public static final String
EXTRA_TEMPLATE
The initial data to place in a newly created record. Use with {@link #ACTION_INSERT}. The data here is a Map containing the same fields as would be given to the underlying ContentProvider.insert() call.
public static final String
EXTRA_TEXT
A constant CharSequence that is associated with the Intent, used with {@link #ACTION_SEND} to supply the literal data to be sent. Note that this may be a styled CharSequence, so you must use {@link Bundle#getCharSequence(String) Bundle.getCharSequence()} to retrieve it.
public static final String
EXTRA_STREAM
A content: URI holding a stream of data associated with the Intent, used with {@link #ACTION_SEND} to supply the data being sent.
public static final String
EXTRA_EMAIL
A String[] holding e-mail addresses that should be delivered to.
public static final String
EXTRA_CC
A String[] holding e-mail addresses that should be carbon copied.
public static final String
EXTRA_BCC
A String[] holding e-mail addresses that should be blind carbon copied.
public static final String
EXTRA_SUBJECT
A constant string holding the desired subject line of a message.
public static final String
EXTRA_INTENT
An Intent describing the choices you would like shown with {@link #ACTION_PICK_ACTIVITY}.
public static final String
EXTRA_TITLE
A CharSequence dialog title to provide to the user when used with a {@link #ACTION_CHOOSER}.
public static final String
EXTRA_KEY_EVENT
A {@link android.view.KeyEvent} object containing the event that triggered the creation of the Intent it is in.
public static final String
EXTRA_DONT_KILL_APP
Used as an boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} or {@link android.content.Intent#ACTION_PACKAGE_CHANGED} intents to override the default action of restarting the application.
public static final String
EXTRA_PHONE_NUMBER
A String holding the phone number originally entered in {@link android.content.Intent#ACTION_NEW_OUTGOING_CALL}, or the actual number to call in a {@link android.content.Intent#ACTION_CALL}.
public static final String
EXTRA_UID
Used as an int extra field in {@link android.content.Intent#ACTION_UID_REMOVED} intents to supply the uid the package had been assigned. Also an optional extra in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} or {@link android.content.Intent#ACTION_PACKAGE_CHANGED} for the same purpose.
public static final String
EXTRA_DATA_REMOVED
Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} intents to indicate whether this represents a full uninstall (removing both the code and its data) or a partial uninstall (leaving its data, implying that this is an update).
public static final String
EXTRA_REPLACING
Used as a boolean extra field in {@link android.content.Intent#ACTION_PACKAGE_REMOVED} intents to indicate that this is a replacement of the package, so this broadcast will immediately be followed by an add broadcast for a different version of the same package.
public static final String
EXTRA_ALARM_COUNT
Used as an int extra field in {@link android.app.AlarmManager} intents to tell the application being invoked how many pending alarms are being delievered with the intent. For one-shot alarms this will always be 1. For recurring alarms, this might be greater than 1 if the device was asleep or powered off at the time an earlier alarm would have been delivered.
public static final int
FLAG_GRANT_READ_URI_PERMISSION
If set, the recipient of this Intent will be granted permission to perform read operations on the Uri in the Intent's data.
public static final int
FLAG_GRANT_WRITE_URI_PERMISSION
If set, the recipient of this Intent will be granted permission to perform write operations on the Uri in the Intent's data.
public static final int
FLAG_FROM_BACKGROUND
Can be set by the caller to indicate that this Intent is coming from a background operation, not from direct user interaction.
public static final int
FLAG_DEBUG_LOG_RESOLUTION
A flag you can enable for debugging: when set, log messages will be printed during the resolution of this intent to show you what has been found to create the final resolved list.
public static final int
FLAG_ACTIVITY_NO_HISTORY
If set, the new activity is not kept in the history stack. As soon as the user navigates away from it, the activity is finished. This may also be set with the {@link android.R.styleable#AndroidManifestActivity_noHistory noHistory} attribute.
public static final int
FLAG_ACTIVITY_SINGLE_TOP
If set, the activity will not be launched if it is already running at the top of the history stack.
public static final int
FLAG_ACTIVITY_NEW_TASK
If set, this activity will become the start of a new task on this history stack. A task (from the activity that started it to the next task activity) defines an atomic group of activities that the user can move to. Tasks can be moved to the foreground and background; all of the activities inside of a particular task always remain in the same order. See Application Fundamentals: Activities and Tasks for more details on tasks.
This flag is generally used by activities that want to present a "launcher" style behavior: they give the user a list of separate things that can be done, which otherwise run completely independently of the activity launching them.
When using this flag, if a task is already running for the activity you are now starting, then a new activity will not be started; instead, the current task will simply be brought to the front of the screen with the state it was last in. See {@link #FLAG_ACTIVITY_MULTIPLE_TASK} for a flag to disable this behavior.
This flag can not be used when the caller is requesting a result from the activity being launched.
public static final int
FLAG_ACTIVITY_MULTIPLE_TASK
Do not use this flag unless you are implementing your own top-level application launcher. Used in conjunction with {@link #FLAG_ACTIVITY_NEW_TASK} to disable the behavior of bringing an existing task to the foreground. When set, a new task is always started to host the Activity for the Intent, regardless of whether there is already an existing task running the same thing.
Because the default system does not include graphical task management, you should not use this flag unless you provide some way for a user to return back to the tasks you have launched.
This flag is ignored if {@link #FLAG_ACTIVITY_NEW_TASK} is not set.
See Application Fundamentals: Activities and Tasks for more details on tasks.
public static final int
FLAG_ACTIVITY_CLEAR_TOP
If set, and the activity being launched is already running in the current task, then instead of launching a new instance of that activity, all of the other activities on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent.
For example, consider a task consisting of the activities: A, B, C, D. If D calls startActivity() with an Intent that resolves to the component of activity B, then C and D will be finished and B receive the given Intent, resulting in the stack now being: A, B.
The currently running instance of task B in the above example will either receive the new intent you are starting here in its onNewIntent() method, or be itself finished and restarted with the new intent. If it has declared its launch mode to be "multiple" (the default) it will be finished and re-created; for all other launch modes it will receive the Intent in the current instance.
This launch mode can also be used to good effect in conjunction with {@link #FLAG_ACTIVITY_NEW_TASK}: if used to start the root activity of a task, it will bring any currently running instance of that task to the foreground, and then clear it to its root state. This is especially useful, for example, when launching an activity from the notification manager.
See Application Fundamentals: Activities and Tasks for more details on tasks.
public static final int
FLAG_ACTIVITY_FORWARD_RESULT
If set and this intent is being used to launch a new activity from an existing one, then the reply target of the existing activity will be transfered to the new activity. This way the new activity can call {@link android.app.Activity#setResult} and have that result sent back to the reply target of the original activity.
public static final int
FLAG_ACTIVITY_PREVIOUS_IS_TOP
If set and this intent is being used to launch a new activity from an existing one, the current activity will not be counted as the top activity for deciding whether the new intent should be delivered to the top instead of starting a new one. The previous activity will be used as the top, with the assumption being that the current activity will finish itself immediately.
public static final int
FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
If set, the new activity is not kept in the list of recently launched activities.
public static final int
FLAG_ACTIVITY_BROUGHT_TO_FRONT
This flag is not normally set by application code, but set for you by the system as described in the {@link android.R.styleable#AndroidManifestActivity_launchMode launchMode} documentation for the singleTask mode.
public static final int
FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
If set, and this activity is either being started in a new task or bringing to the top an existing task, then it will be launched as the front door of the task. This will result in the application of any affinities needed to have that task in the proper state (either moving activities to or from it), or simply resetting that task to its initial state if needed.
public static final int
FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY
This flag is not normally set by application code, but set for you by the system if this activity is being launched from history (longpress home key).
public static final int
FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET
If set, this marks a point in the task's activity stack that should be cleared when the task is reset. That is, the next time the task is broad to the foreground with {@link #FLAG_ACTIVITY_RESET_TASK_IF_NEEDED} (typically as a result of the user re-launching it from home), this activity and all on top of it will be finished so that the user does not return to them, but instead returns to whatever activity preceeded it.
This is useful for cases where you have a logical break in your application. For example, an e-mail application may have a command to view an attachment, which launches an image view activity to display it. This activity should be part of the e-mail application's task, since it is a part of the task the user is involved in. However, if the user leaves that task, and later selects the e-mail app from home, we may like them to return to the conversation they were viewing, not the picture attachment, since that is confusing. By setting this flag when launching the image viewer, that viewer and any activities it starts will be removed the next time the user returns to mail.
public static final int
FLAG_ACTIVITY_NO_USER_ACTION
If set, this flag will prevent the normal {@link android.app.Activity#onUserLeaveHint} callback from occurring on the current frontmost activity before it is paused as the newly-started activity is brought to the front.
Typically, an activity can rely on that callback to indicate that an explicit user action has caused their activity to be moved out of the foreground. The callback marks an appropriate point in the activity's lifecycle for it to dismiss any notifications that it intends to display "until the user has seen them," such as a blinking LED.
If an activity is ever started via any non-user-driven events such as phone-call receipt or an alarm handler, this flag should be passed to {@link Context#startActivity Context.startActivity}, ensuring that the pausing activity does not think the user has acknowledged its notification.
public static final int
FLAG_ACTIVITY_REORDER_TO_FRONT
If set in an Intent passed to {@link Context#startActivity Context.startActivity()}, this flag will cause the launched activity to be brought to the front of its task's history stack if it is already running.
For example, consider a task consisting of four activities: A, B, C, D. If D calls startActivity() with an Intent that resolves to the component of activity B, then B will be brought to the front of the history stack, with this resulting order: A, C, D, B. This flag will be ignored if {@link #FLAG_ACTIVITY_CLEAR_TOP} is also specified.
public static final int
FLAG_RECEIVER_REGISTERED_ONLY
If set, when sending a broadcast only registered receivers will be called -- no BroadcastReceiver components will be launched.
public static final int
FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT
If set, when sending a broadcast before boot has completed only registered receivers will be called -- no BroadcastReceiver components will be launched. Sticky intent state will be recorded properly even if no receivers wind up being called. If {@link #FLAG_RECEIVER_REGISTERED_ONLY} is specified in the broadcast intent, this flag is unnecessary.
This flag is only for use by system sevices as a convenience to avoid having to implement a more complex mechanism around detection of boot completion.
private String
mAction
private android.net.Uri
mData
private String
mType
private ComponentName
mComponent
private int
mFlags
private HashSet
mCategories
private android.os.Bundle
mExtras
public static final int
FILL_IN_ACTION
Use with {@link #fillIn} to allow the current action value to be overwritten, even if it is already set.
public static final int
FILL_IN_DATA
Use with {@link #fillIn} to allow the current data or type value overwritten, even if it is already set.
public static final int
FILL_IN_CATEGORIES
Use with {@link #fillIn} to allow the current categories to be overwritten, even if they are already set.
public static final int
FILL_IN_COMPONENT
Use with {@link #fillIn} to allow the current component value to be overwritten, even if it is already set.
public static final Parcelable.Creator
CREATOR
Constructors Summary
public Intent(String action, android.net.Uri uri, Context packageContext, Class cls)
Create an intent for a specific component with a specified action and data. This is equivalent using {@link #Intent(String, android.net.Uri)} to construct the Intent and then calling {@link #setClass} to set its class.
Note: scheme and host name matching in the Android framework is case-sensitive, unlike the formal RFC. As a result, you should always ensure that you write your Uri with these elements using lower case letters, and normalize any Uris you receive from outside of Android to ensure the scheme and host is lower case.
param
action The Intent action, such as ACTION_VIEW.
param
uri The Intent data URI.
param
packageContext A Context of the application package implementing this class.
param
cls The component class that is to be used for the intent.
see
#Intent(String, android.net.Uri)
see
#Intent(Context, Class)
see
#setClass
see
#setComponent
mAction = action; mData = uri; mComponent = new ComponentName(packageContext, cls);
private Intent(android.os.Parcel in)
readFromParcel(in);
public Intent()
Create an empty intent.
// ---------------------------------------------------------------------
public Intent(Intent o)
Copy constructor.
this.mAction = o.mAction; this.mData = o.mData; this.mType = o.mType; this.mComponent = o.mComponent; this.mFlags = o.mFlags; if (o.mCategories != null) { this.mCategories = new HashSet<String>(o.mCategories); } if (o.mExtras != null) { this.mExtras = new Bundle(o.mExtras); }
private Intent(Intent o, boolean all)
this.mAction = o.mAction; this.mData = o.mData; this.mType = o.mType; this.mComponent = o.mComponent; if (o.mCategories != null) { this.mCategories = new HashSet<String>(o.mCategories); }
public Intent(String action)
Create an intent with a given action. All other fields (data, type, class) are null. Note that the action must be in a namespace because Intents are used globally in the system -- for example the system VIEW action is android.intent.action.VIEW; an application's custom action would be something like com.google.app.myapp.CUSTOM_ACTION.
param
action The Intent action, such as ACTION_VIEW.
mAction = action;
public Intent(String action, android.net.Uri uri)
Create an intent with a given action and for a given data url. Note that the action must be in a namespace because Intents are used globally in the system -- for example the system VIEW action is android.intent.action.VIEW; an application's custom action would be something like com.google.app.myapp.CUSTOM_ACTION.
Note: scheme and host name matching in the Android framework is case-sensitive, unlike the formal RFC. As a result, you should always ensure that you write your Uri with these elements using lower case letters, and normalize any Uris you receive from outside of Android to ensure the scheme and host is lower case.
param
action The Intent action, such as ACTION_VIEW.
param
uri The Intent data URI.
mAction = action; mData = uri;
public Intent(Context packageContext, Class cls)
Create an intent for a specific component. All other fields (action, data, type, class) are null, though they can be modified later with explicit calls. This provides a convenient way to create an intent that is intended to execute a hard-coded class name, rather than relying on the system to find an appropriate class for you; see {@link #setComponent} for more information on the repercussions of this.
param
packageContext A Context of the application package implementing this class.
param
cls The component class that is to be used for the intent.
see
#setClass
see
#setComponent
see
#Intent(String, android.net.Uri , Context, Class)
mComponent = new ComponentName(packageContext, cls);
Methods Summary
public android.content.Intent addCategory(java.lang.String category)
Add a new category to the intent. Categories provide additional detail about the action the intent is perform. When resolving an intent, only activities that provide all of the requested categories will be used.
param
category The desired category. This can be either one of the predefined Intent categories, or a custom category in your own namespace.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#hasCategory
see
#removeCategory
if (mCategories == null) { mCategories = new HashSet<String>(); } mCategories.add(category); return this;
public android.content.Intent addFlags(int flags)
Add additional flags to the intent (or with existing flags value).
param
flags The new flags to set.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#setFlags
mFlags |= flags; return this;
public java.lang.Object clone()
return new Intent(this);
public android.content.Intent cloneFilter()
Make a clone of only the parts of the Intent that are relevant for filter matching: the action, data, type, component, and categories.
return new Intent(this, false);
public static android.content.Intent createChooser(android.content.Intent target, java.lang.CharSequence title)
Convenience function for creating a {@link #ACTION_CHOOSER} Intent.
param
target The Intent that the user will be selecting an activity to perform.
param
title Optional title that will be displayed in the chooser.
return
Return a new Intent object that you can hand to {@link Context#startActivity(Intent) Context.startActivity()} and related methods.
Intent intent = new Intent(ACTION_CHOOSER); intent.putExtra(EXTRA_INTENT, target); if (title != null) { intent.putExtra(EXTRA_TITLE, title); } return intent;
public int describeContents()
return (mExtras != null) ? mExtras.describeContents() : 0;
public int fillIn(android.content.Intent other, int flags)
Copy the contents of other in to this object, but only where fields are not defined by this object. For purposes of a field being defined, the following pieces of data in the Intent are considered to be separate fields:

action, as set by {@link #setAction}.
data URI and MIME type, as set by {@link #setData(Uri)}, {@link #setType(String)}, or {@link #setDataAndType(Uri, String)}.
categories, as set by {@link #addCategory}.
component, as set by {@link #setComponent(ComponentName)} or related methods.
each top-level name in the associated extras.

In addition, you can use the {@link #FILL_IN_ACTION}, {@link #FILL_IN_DATA}, {@link #FILL_IN_CATEGORIES}, and {@link #FILL_IN_COMPONENT} to override the restriction where the corresponding field will not be replaced if it is already set.
For example, consider Intent A with {data="foo", categories="bar"} and Intent B with {action="gotit", data-type="some/thing", categories="one","two"}.
Calling A.fillIn(B, Intent.FILL_IN_DATA) will result in A now containing: {action="gotit", data-type="some/thing", categories="bar"}.
param
other Another Intent whose values are to be used to fill in the current one.
param
flags Options to control which fields can be filled in.
return
Returns a bit mask of {@link #FILL_IN_ACTION}, {@link #FILL_IN_DATA}, {@link #FILL_IN_CATEGORIES}, and {@link #FILL_IN_COMPONENT} indicating which fields were changed.
int changes = 0; if ((mAction == null && other.mAction == null) || (flags&FILL_IN_ACTION) != 0) { mAction = other.mAction; changes |= FILL_IN_ACTION; } if ((mData == null && mType == null && (other.mData != null || other.mType != null)) || (flags&FILL_IN_DATA) != 0) { mData = other.mData; mType = other.mType; changes |= FILL_IN_DATA; } if ((mCategories == null && other.mCategories == null) || (flags&FILL_IN_CATEGORIES) != 0) { if (other.mCategories != null) { mCategories = new HashSet<String>(other.mCategories); } changes |= FILL_IN_CATEGORIES; } if ((mComponent == null && other.mComponent == null) || (flags&FILL_IN_COMPONENT) != 0) { mComponent = other.mComponent; changes |= FILL_IN_COMPONENT; } mFlags |= other.mFlags; if (mExtras == null) { if (other.mExtras != null) { mExtras = new Bundle(other.mExtras); } } else if (other.mExtras != null) { try { Bundle newb = new Bundle(other.mExtras); newb.putAll(mExtras); mExtras = newb; } catch (RuntimeException e) { // Modifying the extras can cause us to unparcel the contents // of the bundle, and if we do this in the system process that // may fail. We really should handle this (i.e., the Bundle // impl shouldn't be on top of a plain map), but for now just // ignore it and keep the original contents. :( Log.w("Intent", "Failure filling in extras", e); } } return changes;
public boolean filterEquals(android.content.Intent other)
Determine if two intents are the same for the purposes of intent resolution (filtering). That is, if their action, data, type, class, and categories are the same. This does not compare any extra data included in the intents.
param
other The other Intent to compare against.
return
Returns true if action, data, type, class, and categories are the same.
if (other == null) { return false; } if (mAction != other.mAction) { if (mAction != null) { if (!mAction.equals(other.mAction)) { return false; } } else { if (!other.mAction.equals(mAction)) { return false; } } } if (mData != other.mData) { if (mData != null) { if (!mData.equals(other.mData)) { return false; } } else { if (!other.mData.equals(mData)) { return false; } } } if (mType != other.mType) { if (mType != null) { if (!mType.equals(other.mType)) { return false; } } else { if (!other.mType.equals(mType)) { return false; } } } if (mComponent != other.mComponent) { if (mComponent != null) { if (!mComponent.equals(other.mComponent)) { return false; } } else { if (!other.mComponent.equals(mComponent)) { return false; } } } if (mCategories != other.mCategories) { if (mCategories != null) { if (!mCategories.equals(other.mCategories)) { return false; } } else { if (!other.mCategories.equals(mCategories)) { return false; } } } return true;
public int filterHashCode()
Generate hash code that matches semantics of filterEquals().
return
Returns the hash value of the action, data, type, class, and categories.
see
#filterEquals
int code = 0; if (mAction != null) { code += mAction.hashCode(); } if (mData != null) { code += mData.hashCode(); } if (mType != null) { code += mType.hashCode(); } if (mComponent != null) { code += mComponent.hashCode(); } if (mCategories != null) { code += mCategories.hashCode(); } return code;
public java.lang.String getAction()
Retrieve the general action to be performed, such as {@link #ACTION_VIEW}. The action describes the general way the rest of the information in the intent should be interpreted -- most importantly, what to do with the data returned by {@link #getData}.
return
The action of this intent or null if none is specified.
see
#setAction
return mAction;
public boolean[] getBooleanArrayExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no boolean array value was found.
see
#putExtra(String, boolean[])
return mExtras == null ? null : mExtras.getBooleanArray(name);
public boolean getBooleanExtra(java.lang.String name, boolean defaultValue)
Retrieve extended data from the intent.
param
name The name of the desired item.
param
defaultValue the value to be returned if no value of the desired type is stored with the given name.
return
the value of an item that previously added with putExtra() or the default value if none was found.
see
#putExtra(String, boolean)
return mExtras == null ? defaultValue : mExtras.getBoolean(name, defaultValue);
public android.os.Bundle getBundleExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no Bundle value was found.
see
#putExtra(String, Bundle)
return mExtras == null ? null : mExtras.getBundle(name);
public byte[] getByteArrayExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no byte array value was found.
see
#putExtra(String, byte[])
return mExtras == null ? null : mExtras.getByteArray(name);
public byte getByteExtra(java.lang.String name, byte defaultValue)
Retrieve extended data from the intent.
param
name The name of the desired item.
param
defaultValue the value to be returned if no value of the desired type is stored with the given name.
return
the value of an item that previously added with putExtra() or the default value if none was found.
see
#putExtra(String, byte)
return mExtras == null ? defaultValue : mExtras.getByte(name, defaultValue);
public java.util.Set getCategories()
Return the set of all categories in the intent. If there are no categories, returns NULL.
return
Set The set of categories you can examine. Do not modify!
see
#hasCategory
see
#addCategory
return mCategories;
public char[] getCharArrayExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no char array value was found.
see
#putExtra(String, char[])
return mExtras == null ? null : mExtras.getCharArray(name);
public char getCharExtra(java.lang.String name, char defaultValue)
Retrieve extended data from the intent.
param
name The name of the desired item.
param
defaultValue the value to be returned if no value of the desired type is stored with the given name.
return
the value of an item that previously added with putExtra() or the default value if none was found.
see
#putExtra(String, char)
return mExtras == null ? defaultValue : mExtras.getChar(name, defaultValue);
public java.lang.CharSequence getCharSequenceExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no CharSequence value was found.
see
#putExtra(String, CharSequence)
return mExtras == null ? null : mExtras.getCharSequence(name);
public ComponentName getComponent()
Retrieve the concrete component associated with the intent. When receiving an intent, this is the component that was found to best handle it (that is, yourself) and will always be non-null; in all other cases it will be null unless explicitly set.
return
The name of the application component to handle the intent.
see
#resolveActivity
see
#setComponent
return mComponent;
public android.net.Uri getData()
Retrieve data this intent is operating on. This URI specifies the name of the data; often it uses the content: scheme, specifying data in a content provider. Other schemes may be handled by specific activities, such as http: by the web browser.
return
The URI of the data this intent is targeting or null.
see
#getScheme
see
#setData
return mData;
public java.lang.String getDataString()
The same as {@link #getData()}, but returns the URI as an encoded String.
return mData != null ? mData.toString() : null;
public double[] getDoubleArrayExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no double array value was found.
see
#putExtra(String, double[])
return mExtras == null ? null : mExtras.getDoubleArray(name);
public double getDoubleExtra(java.lang.String name, double defaultValue)
Retrieve extended data from the intent.
param
name The name of the desired item.
param
defaultValue the value to be returned if no value of the desired type is stored with the given name.
return
the value of an item that previously added with putExtra() or the default value if none was found.
see
#putExtra(String, double)
return mExtras == null ? defaultValue : mExtras.getDouble(name, defaultValue);
public java.lang.Object getExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if none was found.
deprecated
hide
return getExtra(name, null);
public java.lang.Object getExtra(java.lang.String name, java.lang.Object defaultValue)
Retrieve extended data from the intent.
param
name The name of the desired item.
param
defaultValue The default value to return in case no item is associated with the key 'name'
return
the value of an item that previously added with putExtra() or defaultValue if none was found.
see
#putExtra
deprecated
hide
Object result = defaultValue; if (mExtras != null) { Object result2 = mExtras.get(name); if (result2 != null) { result = result2; } } return result;
public android.os.Bundle getExtras()
Retrieves a map of extended data from the intent.
return
the map of all extras previously added with putExtra(), or null if none have been added.
return (mExtras != null) ? new Bundle(mExtras) : null;
public int getFlags()
Retrieve any special flags associated with this intent. You will normally just set them with {@link #setFlags} and let the system take the appropriate action with them.
return
int The currently set flags.
see
#setFlags
return mFlags;
public float[] getFloatArrayExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no float array value was found.
see
#putExtra(String, float[])
return mExtras == null ? null : mExtras.getFloatArray(name);
public float getFloatExtra(java.lang.String name, float defaultValue)
Retrieve extended data from the intent.
param
name The name of the desired item.
param
defaultValue the value to be returned if no value of the desired type is stored with the given name.
return
the value of an item that previously added with putExtra(), or the default value if no such item is present
see
#putExtra(String, float)
return mExtras == null ? defaultValue : mExtras.getFloat(name, defaultValue);
public android.os.IBinder getIBinderExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no IBinder value was found.
see
#putExtra(String, IBinder)
deprecated
hide
return mExtras == null ? null : mExtras.getIBinder(name);
public int[] getIntArrayExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no int array value was found.
see
#putExtra(String, int[])
return mExtras == null ? null : mExtras.getIntArray(name);
public int getIntExtra(java.lang.String name, int defaultValue)
Retrieve extended data from the intent.
param
name The name of the desired item.
param
defaultValue the value to be returned if no value of the desired type is stored with the given name.
return
the value of an item that previously added with putExtra() or the default value if none was found.
see
#putExtra(String, int)
return mExtras == null ? defaultValue : mExtras.getInt(name, defaultValue);
public java.util.ArrayList getIntegerArrayListExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no ArrayList value was found.
see
#putIntegerArrayListExtra(String, ArrayList)
return mExtras == null ? null : mExtras.getIntegerArrayList(name);
public static android.content.Intent getIntent(java.lang.String uri)
Create an intent from a URI. This URI may encode the action, category, and other intent fields, if it was returned by toURI(). If the Intent was not generate by toURI(), its data will be the entire URI and its action will be ACTION_VIEW.
The URI given here must not be relative -- that is, it must include the scheme and full path.
param
uri The URI to turn into an Intent.
return
Intent The newly created Intent object.
see
#toURI
int i = 0; try { // simple case i = uri.lastIndexOf("#"); if (i == -1) return new Intent(ACTION_VIEW, Uri.parse(uri)); // old format Intent URI if (!uri.startsWith("#Intent;", i)) return getIntentOld(uri); // new format Intent intent = new Intent(ACTION_VIEW); // fetch data part, if present if (i > 0) { intent.mData = Uri.parse(uri.substring(0, i)); } i += "#Intent;".length(); // loop over contents of Intent, all name=value; while (!uri.startsWith("end", i)) { int eq = uri.indexOf('=", i); int semi = uri.indexOf(';", eq); String value = uri.substring(eq + 1, semi); // action if (uri.startsWith("action=", i)) { intent.mAction = value; } // categories else if (uri.startsWith("category=", i)) { intent.addCategory(value); } // type else if (uri.startsWith("type=", i)) { intent.mType = value; } // launch flags else if (uri.startsWith("launchFlags=", i)) { intent.mFlags = Integer.decode(value).intValue(); } // component else if (uri.startsWith("component=", i)) { intent.mComponent = ComponentName.unflattenFromString(value); } // extra else { String key = Uri.decode(uri.substring(i + 2, eq)); value = Uri.decode(value); // create Bundle if it doesn't already exist if (intent.mExtras == null) intent.mExtras = new Bundle(); Bundle b = intent.mExtras; // add EXTRA if (uri.startsWith("S.", i)) b.putString(key, value); else if (uri.startsWith("B.", i)) b.putBoolean(key, Boolean.parseBoolean(value)); else if (uri.startsWith("b.", i)) b.putByte(key, Byte.parseByte(value)); else if (uri.startsWith("c.", i)) b.putChar(key, value.charAt(0)); else if (uri.startsWith("d.", i)) b.putDouble(key, Double.parseDouble(value)); else if (uri.startsWith("f.", i)) b.putFloat(key, Float.parseFloat(value)); else if (uri.startsWith("i.", i)) b.putInt(key, Integer.parseInt(value)); else if (uri.startsWith("l.", i)) b.putLong(key, Long.parseLong(value)); else if (uri.startsWith("s.", i)) b.putShort(key, Short.parseShort(value)); else throw new URISyntaxException(uri, "unknown EXTRA type", i); } // move to the next item i = semi + 1; } return intent; } catch (IndexOutOfBoundsException e) { throw new URISyntaxException(uri, "illegal Intent URI format", i); }
public static android.content.Intent getIntentOld(java.lang.String uri)
Intent intent; int i = uri.lastIndexOf('#"); if (i >= 0) { Uri data = null; String action = null; if (i > 0) { data = Uri.parse(uri.substring(0, i)); } i++; if (uri.regionMatches(i, "action(", 0, 7)) { i += 7; int j = uri.indexOf(')", i); action = uri.substring(i, j); i = j + 1; } intent = new Intent(action, data); if (uri.regionMatches(i, "categories(", 0, 11)) { i += 11; int j = uri.indexOf(')", i); while (i < j) { int sep = uri.indexOf('!", i); if (sep < 0) sep = j; if (i < sep) { intent.addCategory(uri.substring(i, sep)); } i = sep + 1; } i = j + 1; } if (uri.regionMatches(i, "type(", 0, 5)) { i += 5; int j = uri.indexOf(')", i); intent.mType = uri.substring(i, j); i = j + 1; } if (uri.regionMatches(i, "launchFlags(", 0, 12)) { i += 12; int j = uri.indexOf(')", i); intent.mFlags = Integer.decode(uri.substring(i, j)).intValue(); i = j + 1; } if (uri.regionMatches(i, "component(", 0, 10)) { i += 10; int j = uri.indexOf(')", i); int sep = uri.indexOf('!", i); if (sep >= 0 && sep < j) { String pkg = uri.substring(i, sep); String cls = uri.substring(sep + 1, j); intent.mComponent = new ComponentName(pkg, cls); } i = j + 1; } if (uri.regionMatches(i, "extras(", 0, 7)) { i += 7; final int closeParen = uri.indexOf(')", i); if (closeParen == -1) throw new URISyntaxException(uri, "EXTRA missing trailing ')'", i); while (i < closeParen) { // fetch the key value int j = uri.indexOf('=", i); if (j <= i + 1 || i >= closeParen) { throw new URISyntaxException(uri, "EXTRA missing '='", i); } char type = uri.charAt(i); i++; String key = uri.substring(i, j); i = j + 1; // get type-value j = uri.indexOf('!", i); if (j == -1 || j >= closeParen) j = closeParen; if (i >= j) throw new URISyntaxException(uri, "EXTRA missing '!'", i); String value = uri.substring(i, j); i = j; // create Bundle if it doesn't already exist if (intent.mExtras == null) intent.mExtras = new Bundle(); // add item to bundle try { switch (type) { case 'S": intent.mExtras.putString(key, Uri.decode(value)); break; case 'B": intent.mExtras.putBoolean(key, Boolean.parseBoolean(value)); break; case 'b": intent.mExtras.putByte(key, Byte.parseByte(value)); break; case 'c": intent.mExtras.putChar(key, Uri.decode(value).charAt(0)); break; case 'd": intent.mExtras.putDouble(key, Double.parseDouble(value)); break; case 'f": intent.mExtras.putFloat(key, Float.parseFloat(value)); break; case 'i": intent.mExtras.putInt(key, Integer.parseInt(value)); break; case 'l": intent.mExtras.putLong(key, Long.parseLong(value)); break; case 's": intent.mExtras.putShort(key, Short.parseShort(value)); break; default: throw new URISyntaxException(uri, "EXTRA has unknown type", i); } } catch (NumberFormatException e) { throw new URISyntaxException(uri, "EXTRA value can't be parsed", i); } char ch = uri.charAt(i); if (ch == ')") break; if (ch != '!") throw new URISyntaxException(uri, "EXTRA missing '!'", i); i++; } } if (intent.mAction == null) { // By default, if no action is specified, then use VIEW. intent.mAction = ACTION_VIEW; } } else { intent = new Intent(ACTION_VIEW, Uri.parse(uri)); } return intent;
public long[] getLongArrayExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no long array value was found.
see
#putExtra(String, long[])
return mExtras == null ? null : mExtras.getLongArray(name);
public long getLongExtra(java.lang.String name, long defaultValue)
Retrieve extended data from the intent.
param
name The name of the desired item.
param
defaultValue the value to be returned if no value of the desired type is stored with the given name.
return
the value of an item that previously added with putExtra() or the default value if none was found.
see
#putExtra(String, long)
return mExtras == null ? defaultValue : mExtras.getLong(name, defaultValue);
public android.os.Parcelable[] getParcelableArrayExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no Parcelable[] value was found.
see
#putExtra(String, Parcelable[])
return mExtras == null ? null : mExtras.getParcelableArray(name);
public java.util.ArrayList getParcelableArrayListExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no ArrayList value was found.
see
#putParcelableArrayListExtra(String, ArrayList)
return mExtras == null ? null : mExtras.<T>getParcelableArrayList(name);
public T getParcelableExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no Parcelable value was found.
see
#putExtra(String, Parcelable)
return mExtras == null ? null : mExtras.<T>getParcelable(name);
public java.lang.String getScheme()
Return the scheme portion of the intent's data. If the data is null or does not include a scheme, null is returned. Otherwise, the scheme prefix without the final ':' is returned, i.e. "http".
This is the same as calling getData().getScheme() (and checking for null data).
return
The scheme of this intent.
see
#getData
return mData != null ? mData.getScheme() : null;
public java.io.Serializable getSerializableExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no Serializable value was found.
see
#putExtra(String, Serializable)
return mExtras == null ? null : mExtras.getSerializable(name);
public short[] getShortArrayExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no short array value was found.
see
#putExtra(String, short[])
return mExtras == null ? null : mExtras.getShortArray(name);
public short getShortExtra(java.lang.String name, short defaultValue)
Retrieve extended data from the intent.
param
name The name of the desired item.
param
defaultValue the value to be returned if no value of the desired type is stored with the given name.
return
the value of an item that previously added with putExtra() or the default value if none was found.
see
#putExtra(String, short)
return mExtras == null ? defaultValue : mExtras.getShort(name, defaultValue);
public java.lang.String[] getStringArrayExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no String array value was found.
see
#putExtra(String, String[])
return mExtras == null ? null : mExtras.getStringArray(name);
public java.util.ArrayList getStringArrayListExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no ArrayList value was found.
see
#putStringArrayListExtra(String, ArrayList)
return mExtras == null ? null : mExtras.getStringArrayList(name);
public java.lang.String getStringExtra(java.lang.String name)
Retrieve extended data from the intent.
param
name The name of the desired item.
return
the value of an item that previously added with putExtra() or null if no String value was found.
see
#putExtra(String, String)
return mExtras == null ? null : mExtras.getString(name);
public java.lang.String getType()
Retrieve any explicit MIME type included in the intent. This is usually null, as the type is determined by the intent data.
return
If a type was manually set, it is returned; else null is returned.
see
#resolveType(ContentResolver)
see
#setType
return mType;
public boolean hasCategory(java.lang.String category)
Check if an category exists in the intent.
param
category The category to check.
return
boolean True if the intent contains the category, else false.
see
#getCategories
see
#addCategory
return mCategories != null && mCategories.contains(category);
public boolean hasExtra(java.lang.String name)
Returns true if an extra value is associated with the given name.
param
name the extra's name
return
true if the given extra is present.
return mExtras != null && mExtras.containsKey(name);
public boolean hasFileDescriptors()
Returns true if the Intent's extras contain a parcelled file descriptor.
return
true if the Intent contains a parcelled file descriptor.
return mExtras != null && mExtras.hasFileDescriptors();
public static android.content.Intent parseIntent(android.content.res.Resources resources, org.xmlpull.v1.XmlPullParser parser, android.util.AttributeSet attrs)
Parses the "intent" element (and its children) from XML and instantiates an Intent object. The given XML parser should be located at the tag where parsing should start (often named "intent"), from which the basic action, data, type, and package and class name will be retrieved. The function will then parse in to any child elements, looking for tags to add categories and to attach extra data to the intent.
param
resources The Resources to use when inflating resources.
param
parser The XML parser pointing at an "intent" tag.
param
attrs The AttributeSet interface for retrieving extended attribute data at the current parser location.
return
An Intent object matching the XML data.
throws
XmlPullParserException If there was an XML parsing error.
throws
IOException If there was an I/O error.
Intent intent = new Intent(); TypedArray sa = resources.obtainAttributes(attrs, com.android.internal.R.styleable.Intent); intent.setAction(sa.getString(com.android.internal.R.styleable.Intent_action)); String data = sa.getString(com.android.internal.R.styleable.Intent_data); String mimeType = sa.getString(com.android.internal.R.styleable.Intent_mimeType); intent.setDataAndType(data != null ? Uri.parse(data) : null, mimeType); String packageName = sa.getString(com.android.internal.R.styleable.Intent_targetPackage); String className = sa.getString(com.android.internal.R.styleable.Intent_targetClass); if (packageName != null && className != null) { intent.setComponent(new ComponentName(packageName, className)); } sa.recycle(); int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String nodeName = parser.getName(); if (nodeName.equals("category")) { sa = resources.obtainAttributes(attrs, com.android.internal.R.styleable.IntentCategory); String cat = sa.getString(com.android.internal.R.styleable.IntentCategory_name); sa.recycle(); if (cat != null) { intent.addCategory(cat); } XmlUtils.skipCurrentTag(parser); } else if (nodeName.equals("extra")) { if (intent.mExtras == null) { intent.mExtras = new Bundle(); } resources.parseBundleExtra("extra", attrs, intent.mExtras); XmlUtils.skipCurrentTag(parser); } else { XmlUtils.skipCurrentTag(parser); } } return intent;
public android.content.Intent putExtra(java.lang.String name, boolean value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The boolean data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getBooleanExtra(String, boolean)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putBoolean(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, byte value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The byte data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getByteExtra(String, byte)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putByte(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, char value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The char data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getCharExtra(String, char)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putChar(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, short value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The short data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getShortExtra(String, short)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putShort(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, int value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The integer data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getIntExtra(String, int)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putInt(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, long value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The long data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getLongExtra(String, long)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putLong(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, float value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The float data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getFloatExtra(String, float)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putFloat(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, double value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The double data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getDoubleExtra(String, double)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putDouble(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, java.lang.String value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The String data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getStringExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putString(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, java.lang.CharSequence value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The CharSequence data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getCharSequenceExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putCharSequence(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, android.os.Parcelable value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The Parcelable data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getParcelableExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putParcelable(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, android.os.Parcelable[] value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The Parcelable[] data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getParcelableArrayExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putParcelableArray(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, java.io.Serializable value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The Serializable data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getSerializableExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putSerializable(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, boolean[] value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The boolean array data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getBooleanArrayExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putBooleanArray(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, byte[] value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The byte array data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getByteArrayExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putByteArray(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, short[] value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The short array data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getShortArrayExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putShortArray(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, char[] value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The char array data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getCharArrayExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putCharArray(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, int[] value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The int array data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getIntArrayExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putIntArray(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, long[] value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The byte array data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getLongArrayExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putLongArray(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, float[] value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The float array data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getFloatArrayExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putFloatArray(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, double[] value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The double array data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getDoubleArrayExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putDoubleArray(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, java.lang.String[] value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The String array data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getStringArrayExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putStringArray(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, android.os.Bundle value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The Bundle data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getBundleExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putBundle(name, value); return this;
public android.content.Intent putExtra(java.lang.String name, android.os.IBinder value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The IBinder data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getIBinderExtra(String)
deprecated
hide
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putIBinder(name, value); return this;
public android.content.Intent putExtras(android.content.Intent src)
Copy all extras in 'src' in to this intent.
param
src Contains the extras to copy.
see
#putExtra
if (src.mExtras != null) { if (mExtras == null) { mExtras = new Bundle(src.mExtras); } else { mExtras.putAll(src.mExtras); } } return this;
public android.content.Intent putExtras(android.os.Bundle extras)
Add a set of extended data to the intent. The keys must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
extras The Bundle of extras to add to this intent.
see
#putExtra
see
#removeExtra
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putAll(extras); return this;
public android.content.Intent putIntegerArrayListExtra(java.lang.String name, java.util.ArrayList value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The ArrayList data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getIntegerArrayListExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putIntegerArrayList(name, value); return this;
public android.content.Intent putParcelableArrayListExtra(java.lang.String name, java.util.ArrayList value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The ArrayList data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getParcelableArrayListExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putParcelableArrayList(name, value); return this;
public android.content.Intent putStringArrayListExtra(java.lang.String name, java.util.ArrayList value)
Add extended data to the intent. The name must include a package prefix, for example the app com.android.contacts would use names like "com.android.contacts.ShowAll".
param
name The name of the extra data, with package prefix.
param
value The ArrayList data value.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#putExtras
see
#removeExtra
see
#getStringArrayListExtra(String)
if (mExtras == null) { mExtras = new Bundle(); } mExtras.putStringArrayList(name, value); return this;
public void readFromParcel(android.os.Parcel in)
mAction = in.readString(); mData = Uri.CREATOR.createFromParcel(in); mType = in.readString(); mFlags = in.readInt(); mComponent = ComponentName.readFromParcel(in); int N = in.readInt(); if (N > 0) { mCategories = new HashSet<String>(); int i; for (i=0; i<N; i++) { mCategories.add(in.readString()); } } else { mCategories = null; } mExtras = in.readBundle();
public void removeCategory(java.lang.String category)
Remove an category from an intent.
param
category The category to remove.
see
#addCategory
if (mCategories != null) { mCategories.remove(category); if (mCategories.size() == 0) { mCategories = null; } }
public void removeExtra(java.lang.String name)
Remove extended data from the intent.
see
#putExtra
if (mExtras != null) { mExtras.remove(name); if (mExtras.size() == 0) { mExtras = null; } }
public android.content.Intent replaceExtras(android.content.Intent src)
Completely replace the extras in the Intent with the extras in the given Intent.
param
src The exact extras contained in this Intent are copied into the target intent, replacing any that were previously there.
mExtras = src.mExtras != null ? new Bundle(src.mExtras) : null; return this;
public android.content.Intent replaceExtras(android.os.Bundle extras)
Completely replace the extras in the Intent with the given Bundle of extras.
param
extras The new set of extras in the Intent, or null to erase all extras.
mExtras = extras != null ? new Bundle(extras) : null; return this;
public ComponentName resolveActivity(android.content.pm.PackageManager pm)
Return the Activity component that should be used to handle this intent. The appropriate component is determined based on the information in the intent, evaluated as follows:
If {@link #getComponent} returns an explicit class, that is returned without any further consideration.
The activity must handle the {@link Intent#CATEGORY_DEFAULT} Intent category to be considered.
If {@link #getAction} is non-NULL, the activity must handle this action.
If {@link #resolveType} returns non-NULL, the activity must handle this type.
If {@link #addCategory} has added any categories, the activity must handle ALL of the categories specified.
If there are no activities that satisfy all of these conditions, a null string is returned.
If multiple activities are found to satisfy the intent, the one with the highest priority will be used. If there are multiple activities with the same priority, the system will either pick the best activity based on user preference, or resolve to a system class that will allow the user to pick an activity and forward from there.
This method is implemented simply by calling {@link PackageManager#resolveActivity} with the "defaultOnly" parameter true.

This API is called for you as part of starting an activity from an intent. You do not normally need to call it yourself.
param
pm The package manager with which to resolve the Intent.
return
Name of the component implementing an activity that can display the intent.
see
#setComponent
see
#getComponent
see
#resolveActivityInfo
if (mComponent != null) { return mComponent; } ResolveInfo info = pm.resolveActivity( this, PackageManager.MATCH_DEFAULT_ONLY); if (info != null) { return new ComponentName( info.activityInfo.applicationInfo.packageName, info.activityInfo.name); } return null;
public android.content.pm.ActivityInfo resolveActivityInfo(android.content.pm.PackageManager pm, int flags)
Resolve the Intent into an {@link ActivityInfo} describing the activity that should execute the intent. Resolution follows the same rules as described for {@link #resolveActivity}, but you get back the completely information about the resolved activity instead of just its class name.
param
pm The package manager with which to resolve the Intent.
param
flags Addition information to retrieve as per {@link PackageManager#getActivityInfo(ComponentName, int) PackageManager.getActivityInfo()}.
return
PackageManager.ActivityInfo
see
#resolveActivity
ActivityInfo ai = null; if (mComponent != null) { try { ai = pm.getActivityInfo(mComponent, flags); } catch (PackageManager.NameNotFoundException e) { // ignore } } else { ResolveInfo info = pm.resolveActivity( this, PackageManager.MATCH_DEFAULT_ONLY); if (info != null) { ai = info.activityInfo; } } return ai;
public java.lang.String resolveType(Context context)
Return the MIME data type of this intent. If the type field is explicitly set, that is simply returned. Otherwise, if the data is set, the type of that data is returned. If neither fields are set, a null is returned.
return
The MIME type of this intent.
see
#getType
see
#resolveType(ContentResolver)
return resolveType(context.getContentResolver());
public java.lang.String resolveType(ContentResolver resolver)
Return the MIME data type of this intent. If the type field is explicitly set, that is simply returned. Otherwise, if the data is set, the type of that data is returned. If neither fields are set, a null is returned.
param
resolver A ContentResolver that can be used to determine the MIME type of the intent's data.
return
The MIME type of this intent.
see
#getType
see
#resolveType(Context)
if (mType != null) { return mType; } if (mData != null) { if ("content".equals(mData.getScheme())) { return resolver.getType(mData); } } return null;
public java.lang.String resolveTypeIfNeeded(ContentResolver resolver)
Return the MIME data type of this intent, only if it will be needed for intent resolution. This is not generally useful for application code; it is used by the frameworks for communicating with back-end system services.
param
resolver A ContentResolver that can be used to determine the MIME type of the intent's data.
return
The MIME type of this intent, or null if it is unknown or not needed.
if (mComponent != null) { return mType; } return resolveType(resolver);
public android.content.Intent setAction(java.lang.String action)
Set the general action to be performed.
param
action An action name, such as ACTION_VIEW. Application-specific actions should be prefixed with the vendor's package name.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#getAction
mAction = action; return this;
public android.content.Intent setClass(Context packageContext, java.lang.Class cls)
Convenience for calling {@link #setComponent(ComponentName)} with the name returned by a {@link Class} object.
param
packageContext A Context of the application package implementing this class.
param
cls The class name to set, equivalent to setClassName(context, cls.getName()).
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#setComponent
mComponent = new ComponentName(packageContext, cls); return this;
public android.content.Intent setClassName(Context packageContext, java.lang.String className)
Convenience for calling {@link #setComponent} with an explicit class name.
param
packageContext A Context of the application package implementing this class.
param
className The name of a class inside of the application package that will be used as the component for this Intent.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#setComponent
see
#setClass
mComponent = new ComponentName(packageContext, className); return this;
public android.content.Intent setClassName(java.lang.String packageName, java.lang.String className)
Convenience for calling {@link #setComponent} with an explicit application package name and class name.
param
packageName The name of the package implementing the desired component.
param
className The name of a class inside of the application package that will be used as the component for this Intent.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#setComponent
see
#setClass
mComponent = new ComponentName(packageName, className); return this;
public android.content.Intent setComponent(ComponentName component)
(Usually optional) Explicitly set the component to handle the intent. If left with the default value of null, the system will determine the appropriate class to use based on the other fields (action, data, type, categories) in the Intent. If this class is defined, the specified class will always be used regardless of the other fields. You should only set this value when you know you absolutely want a specific class to be used; otherwise it is better to let the system find the appropriate class so that you will respect the installed applications and user preferences.
param
component The name of the application component to handle the intent, or null to let the system find one for you.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#setClass
see
#setClassName(Context, String)
see
#setClassName(String, String)
see
#getComponent
see
#resolveActivity
mComponent = component; return this;
public android.content.Intent setData(android.net.Uri data)
Set the data this intent is operating on. This method automatically clears any type that was previously set by {@link #setType}.
Note: scheme and host name matching in the Android framework is case-sensitive, unlike the formal RFC. As a result, you should always ensure that you write your Uri with these elements using lower case letters, and normalize any Uris you receive from outside of Android to ensure the scheme and host is lower case.
param
data The URI of the data this intent is now targeting.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#getData
see
#setType
see
#setDataAndType
mData = data; mType = null; return this;
public android.content.Intent setDataAndType(android.net.Uri data, java.lang.String type)
(Usually optional) Set the data for the intent along with an explicit MIME data type. This method should very rarely be used -- it allows you to override the MIME type that would ordinarily be inferred from the data with your own type given here.
Note: MIME type, Uri scheme, and host name matching in the Android framework is case-sensitive, unlike the formal RFC definitions. As a result, you should always write these elements with lower case letters, and normalize any MIME types or Uris you receive from outside of Android to ensure these elements are lower case before supplying them here.
param
data The URI of the data this intent is now targeting.
param
type The MIME type of the data being handled by this intent.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#setData
see
#setType
mData = data; mType = type; return this;
public void setExtrasClassLoader(java.lang.ClassLoader loader)
Sets the ClassLoader that will be used when unmarshalling any Parcelable values from the extras of this Intent.
param
loader a ClassLoader, or null to use the default loader at the time of unmarshalling.
if (mExtras != null) { mExtras.setClassLoader(loader); }
public android.content.Intent setFlags(int flags)
Set special flags controlling how this intent is handled. Most values here depend on the type of component being executed by the Intent, specifically the FLAG_ACTIVITY_* flags are all for use with {@link Context#startActivity Context.startActivity()} and the FLAG_RECEIVER_* flags are all for use with {@link Context#sendBroadcast(Intent) Context.sendBroadcast()}.
See the Application Fundamentals: Activities and Tasks documentation for important information on how some of these options impact the behavior of your application.
param
flags The desired flags.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#getFlags
see
#addFlags
see
#FLAG_GRANT_READ_URI_PERMISSION
see
#FLAG_GRANT_WRITE_URI_PERMISSION
see
#FLAG_DEBUG_LOG_RESOLUTION
see
#FLAG_FROM_BACKGROUND
see
#FLAG_ACTIVITY_BROUGHT_TO_FRONT
see
#FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET
see
#FLAG_ACTIVITY_CLEAR_TOP
see
#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
see
#FLAG_ACTIVITY_FORWARD_RESULT
see
#FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY
see
#FLAG_ACTIVITY_MULTIPLE_TASK
see
#FLAG_ACTIVITY_NEW_TASK
see
#FLAG_ACTIVITY_NO_HISTORY
see
#FLAG_ACTIVITY_NO_USER_ACTION
see
#FLAG_ACTIVITY_PREVIOUS_IS_TOP
see
#FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
see
#FLAG_ACTIVITY_SINGLE_TOP
see
#FLAG_RECEIVER_REGISTERED_ONLY
mFlags = flags; return this;
public android.content.Intent setType(java.lang.String type)
Set an explicit MIME data type. This is used to create intents that only specify a type and not data, for example to indicate the type of data to return. This method automatically clears any data that was previously set by {@link #setData}.
Note: MIME type matching in the Android framework is case-sensitive, unlike formal RFC MIME types. As a result, you should always write your MIME types with lower case letters, and any MIME types you receive from outside of Android should be converted to lower case before supplying them here.
param
type The MIME type of the data being handled by this intent.
return
Returns the same Intent object, for chaining multiple calls into a single statement.
see
#getType
see
#setData
see
#setDataAndType
mData = null; mType = type; return this;
public java.lang.String toString()
StringBuilder b = new StringBuilder(); b.append("Intent {"); if (mAction != null) b.append(" action=").append(mAction); if (mCategories != null) { b.append(" categories={"); Iterator<String> i = mCategories.iterator(); boolean didone = false; while (i.hasNext()) { if (didone) b.append(","); didone = true; b.append(i.next()); } b.append("}"); } if (mData != null) b.append(" data=").append(mData); if (mType != null) b.append(" type=").append(mType); if (mFlags != 0) b.append(" flags=0x").append(Integer.toHexString(mFlags)); if (mComponent != null) b.append(" comp=").append(mComponent.toShortString()); if (mExtras != null) b.append(" (has extras)"); b.append(" }"); return b.toString();
public java.lang.String toURI()
StringBuilder uri = new StringBuilder(mData != null ? mData.toString() : ""); uri.append("#Intent;"); if (mAction != null) { uri.append("action=").append(mAction).append(';"); } if (mCategories != null) { for (String category : mCategories) { uri.append("category=").append(category).append(';"); } } if (mType != null) { uri.append("type=").append(mType).append(';"); } if (mFlags != 0) { uri.append("launchFlags=0x").append(Integer.toHexString(mFlags)).append(';"); } if (mComponent != null) { uri.append("component=").append(mComponent.flattenToShortString()).append(';"); } if (mExtras != null) { for (String key : mExtras.keySet()) { final Object value = mExtras.get(key); char entryType = value instanceof String ? 'S" : value instanceof Boolean ? 'B" : value instanceof Byte ? 'b" : value instanceof Character ? 'c" : value instanceof Double ? 'd" : value instanceof Float ? 'f" : value instanceof Integer ? 'i" : value instanceof Long ? 'l" : value instanceof Short ? 's" : '\0"; if (entryType != '\0") { uri.append(entryType); uri.append('."); uri.append(Uri.encode(key)); uri.append('="); uri.append(Uri.encode(value.toString())); uri.append(';"); } } } uri.append("end"); return uri.toString();
public void writeToParcel(android.os.Parcel out, int flags)
out.writeString(mAction); Uri.writeToParcel(out, mData); out.writeString(mType); out.writeInt(mFlags); ComponentName.writeToParcel(mComponent, out); if (mCategories != null) { out.writeInt(mCategories.size()); for (String category : mCategories) { out.writeString(category); } } else { out.writeInt(0); } out.writeBundle(mExtras);