diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
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+++ b/core/java/android/content/Intent.java
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+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.content;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import android.annotation.SdkConstant;
+import android.annotation.SdkConstant.SdkConstantType;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.util.TypedValue;
+import com.android.internal.util.XmlUtils;
+
+import java.io.IOException;
+import java.io.Serializable;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+/**
+ * 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}.
+ *
+ * <p>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:</p>
+ *
+ * <ul>
+ *   <li> <p><b>action</b> -- The general action to be performed, such as
+ *     {@link #ACTION_VIEW}, {@link #ACTION_EDIT}, {@link #ACTION_MAIN},
+ *     etc.</p>
+ *   </li>
+ *   <li> <p><b>data</b> -- The data to operate on, such as a person record
+ *     in the contacts database, expressed as a {@link android.net.Uri}.</p>
+ *   </li>
+ * </ul>
+ *
+ *
+ * <p>Some examples of action/data pairs are:</p>
+ *
+ * <ul>
+ *   <li> <p><b>{@link #ACTION_VIEW} <i>content://contacts/1</i></b> -- Display
+ *     information about the person whose identifier is "1".</p>
+ *   </li>
+ *   <li> <p><b>{@link #ACTION_DIAL} <i>content://contacts/1</i></b> -- Display
+ *     the phone dialer with the person filled in.</p>
+ *   </li>
+ *   <li> <p><b>{@link #ACTION_VIEW} <i>tel:123</i></b> -- 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.</p>
+ *   </li>
+ *   <li> <p><b>{@link #ACTION_DIAL} <i>tel:123</i></b> -- Display
+ *     the phone dialer with the given number filled in.</p>
+ *   </li>
+ *   <li> <p><b>{@link #ACTION_EDIT} <i>content://contacts/1</i></b> -- Edit
+ *     information about the person whose identifier is "1".</p>
+ *   </li>
+ *   <li> <p><b>{@link #ACTION_VIEW} <i>content://contacts/</i></b> -- 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 { <b>{@link #ACTION_VIEW} <i>content://contacts/N</i></b> }
+ *     being used to start an activity to display that person.</p>
+ *   </li>
+ * </ul>
+ *
+ * <p>In addition to these primary attributes, there are a number of secondary
+ * attributes that you can also include with an intent:</p>
+ *
+ * <ul>
+ *     <li> <p><b>category</b> -- 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.</p>
+ *     <li> <p><b>type</b> -- 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.</p>
+ *     <li> <p><b>component</b> -- 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.</p>
+ *     <li> <p><b>extras</b> -- 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.</p>
+ * </ul>
+ *
+ * <p>Here are some examples of other operations you can specify as intents
+ * using these additional parameters:</p>
+ *
+ * <ul>
+ *   <li> <p><b>{@link #ACTION_MAIN} with category {@link #CATEGORY_HOME}</b> --
+ *     Launch the home screen.</p>
+ *   </li>
+ *   <li> <p><b>{@link #ACTION_GET_CONTENT} with MIME type
+ *     <i>{@link android.provider.Contacts.Phones#CONTENT_URI
+ *     vnd.android.cursor.item/phone}</i></b>
+ *     -- 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.</p>
+ *   </li>
+ *   <li> <p><b>{@link #ACTION_GET_CONTENT} with MIME type
+ *     <i>*{@literal /}*</i> and category {@link #CATEGORY_OPENABLE}</b>
+ *     -- 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.</p>
+ *   </li>
+ * </ul>
+ *
+ * <p>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".</p>
+ *
+ * <p>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.</p>
+ *
+ * <a name="IntentResolution"></a>
+ * <h3>Intent Resolution</h3>
+ *
+ * <p>There are two primary forms of intents you will use.
+ *
+ * <ul>
+ *     <li> <p><b>Explicit Intents</b> 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.
+ *
+ *     <li> <p><b>Implicit Intents</b> 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.
+ * </ul>
+ *
+ * <p>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 <em>Intent
+ * resolution</em>, 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.</p>
+ *
+ * <p>The intent resolution mechanism basically revolves around matching an
+ * Intent against all of the &lt;intent-filter&gt; 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.</p>
+ *
+ * <p>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 <code>AndroidManifest.xml</code> file as
+ * follows:</p>
+ *
+ * <ul>
+ *     <li> <p>The <b>action</b>, if given, must be listed by the component as
+ *         one it handles.</p>
+ *     <li> <p>The <b>type</b> 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.</p>
+ *     <li> For data that is not a <code>content:</code> URI and where no explicit
+ *         type is included in the Intent, instead the <b>scheme</b> of the
+ *         intent data (such as <code>http:</code> or <code>mailto:</code>) is
+ *         considered. Again like the action, if we are matching a scheme it
+ *         must be listed by the component as one it can handle.
+ *     <li> <p>The <b>categories</b>, if supplied, must <em>all</em> 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 <em>both</em> 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()}.</p>
+ * </ul>
+ *
+ * <p>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.</p>
+ *
+ * <pre> &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ *       package="<i>com.android.notepad</i>"&gt;
+ *     &lt;application android:icon="@drawable/app_notes"
+ *             android:label="@string/app_name"&gt;
+ *
+ *         &lt;provider class=".NotePadProvider"
+ *                 android:authorities="<i>com.google.provider.NotePad</i>" /&gt;
+ *
+ *         &lt;activity class=".NotesList" android:label="@string/title_notes_list"&gt;
+ *             &lt;intent-filter&gt;
+ *                 &lt;action android:value="android.intent.action.MAIN" /&gt;
+ *                 &lt;category android:value="android.intent.category.LAUNCHER" /&gt;
+ *             &lt;/intent-filter&gt;
+ *             &lt;intent-filter&gt;
+ *                 &lt;action android:value="android.intent.action.VIEW" /&gt;
+ *                 &lt;action android:value="android.intent.action.EDIT" /&gt;
+ *                 &lt;action android:value="android.intent.action.PICK" /&gt;
+ *                 &lt;category android:value="android.intent.category.DEFAULT" /&gt;
+ *                 &lt;type android:value="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
+ *             &lt;/intent-filter&gt;
+ *             &lt;intent-filter&gt;
+ *                 &lt;action android:value="android.intent.action.GET_CONTENT" /&gt;
+ *                 &lt;category android:value="android.intent.category.DEFAULT" /&gt;
+ *                 &lt;type android:value="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
+ *             &lt;/intent-filter&gt;
+ *         &lt;/activity&gt;
+ *
+ *         &lt;activity class=".NoteEditor" android:label="@string/title_note"&gt;
+ *             &lt;intent-filter android:label="@string/resolve_edit"&gt;
+ *                 &lt;action android:value="android.intent.action.VIEW" /&gt;
+ *                 &lt;action android:value="android.intent.action.EDIT" /&gt;
+ *                 &lt;category android:value="android.intent.category.DEFAULT" /&gt;
+ *                 &lt;type android:value="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
+ *             &lt;/intent-filter&gt;
+ *
+ *             &lt;intent-filter&gt;
+ *                 &lt;action android:value="android.intent.action.INSERT" /&gt;
+ *                 &lt;category android:value="android.intent.category.DEFAULT" /&gt;
+ *                 &lt;type android:value="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
+ *             &lt;/intent-filter&gt;
+ *
+ *         &lt;/activity&gt;
+ *
+ *         &lt;activity class=".TitleEditor" android:label="@string/title_edit_title"
+ *                 android:theme="@android:style/Theme.Dialog"&gt;
+ *             &lt;intent-filter android:label="@string/resolve_title"&gt;
+ *                 &lt;action android:value="<i>com.android.notepad.action.EDIT_TITLE</i>" /&gt;
+ *                 &lt;category android:value="android.intent.category.DEFAULT" /&gt;
+ *                 &lt;category android:value="android.intent.category.ALTERNATIVE" /&gt;
+ *                 &lt;category android:value="android.intent.category.SELECTED_ALTERNATIVE" /&gt;
+ *                 &lt;type android:value="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
+ *             &lt;/intent-filter&gt;
+ *         &lt;/activity&gt;
+ *
+ *     &lt;/application&gt;
+ * &lt;/manifest&gt;</pre>
+ *
+ * <p>The first activity,
+ * <code>com.android.notepad.NotesList</code>, serves as our main
+ * entry into the app.  It can do three things as described by its three intent
+ * templates:
+ * <ol>
+ * <li><pre>
+ * &lt;intent-filter&gt;
+ *     &lt;action android:value="{@link #ACTION_MAIN android.intent.action.MAIN}" /&gt;
+ *     &lt;category android:value="{@link #CATEGORY_LAUNCHER android.intent.category.LAUNCHER}" /&gt;
+ * &lt;/intent-filter&gt;</pre>
+ * <p>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.</p>
+ * <li><pre>
+ * &lt;intent-filter&gt;
+ *     &lt;action android:value="{@link #ACTION_VIEW android.intent.action.VIEW}" /&gt;
+ *     &lt;action android:value="{@link #ACTION_EDIT android.intent.action.EDIT}" /&gt;
+ *     &lt;action android:value="{@link #ACTION_PICK android.intent.action.PICK}" /&gt;
+ *     &lt;category android:value="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
+ *     &lt;type android:value="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
+ * &lt;/intent-filter&gt;</pre>
+ * <p>This declares the things that the activity can do on a directory of
+ * notes.  The type being supported is given with the &lt;type&gt; tag, where
+ * <code>vnd.android.cursor.dir/vnd.google.note</code> is a URI from which
+ * a Cursor of zero or more items (<code>vnd.android.cursor.dir</code>) can
+ * be retrieved which holds our note pad data (<code>vnd.google.note</code>).
+ * 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 <em>required</em> for the
+ * {@link Context#startActivity Context.startActivity} method to resolve your
+ * activity when its component name is not explicitly specified.</p>
+ * <li><pre>
+ * &lt;intent-filter&gt;
+ *     &lt;action android:value="{@link #ACTION_GET_CONTENT android.intent.action.GET_CONTENT}" /&gt;
+ *     &lt;category android:value="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
+ *     &lt;type android:value="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
+ * &lt;/intent-filter&gt;</pre>
+ * <p>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
+ * <code>vnd.android.cursor.item/vnd.google.note</code> is a URI from which
+ * a Cursor of exactly one (<code>vnd.android.cursor.item</code>) item can
+ * be retrieved which contains our note pad data (<code>vnd.google.note</code>).
+ * 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.</p>
+ * </ol>
+ *
+ * <p>Given these capabilities, the following intents will resolve to the
+ * NotesList activity:</p>
+ *
+ * <ul>
+ *     <li> <p><b>{ action=android.app.action.MAIN }</b> matches all of the
+ *         activities that can be used as top-level entry points into an
+ *         application.</p>
+ *     <li> <p><b>{ action=android.app.action.MAIN,
+ *         category=android.app.category.LAUNCHER }</b> is the actual intent
+ *         used by the Launcher to populate its top-level list.</p>
+ *     <li> <p><b>{ action=android.app.action.VIEW
+ *          data=content://com.google.provider.NotePad/notes }</b>
+ *         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.</p>
+ *     <li> <p><b>{ action=android.app.action.PICK
+ *          data=content://com.google.provider.NotePad/notes }</b>
+ *         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.</p>
+ *     <li> <p><b>{ action=android.app.action.GET_CONTENT
+ *          type=vnd.android.cursor.item/vnd.google.note }</b>
+ *         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.</p>
+ * </ul>
+ *
+ * <p>The second activity,
+ * <code>com.android.notepad.NoteEditor</code>, 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:
+ * <ol>
+ * <li><pre>
+ * &lt;intent-filter android:label="@string/resolve_edit"&gt;
+ *     &lt;action android:value="{@link #ACTION_VIEW android.intent.action.VIEW}" /&gt;
+ *     &lt;action android:value="{@link #ACTION_EDIT android.intent.action.EDIT}" /&gt;
+ *     &lt;category android:value="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
+ *     &lt;type android:value="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
+ * &lt;/intent-filter&gt;</pre>
+ * <p>The first, primary, purpose of this activity is to let the user interact
+ * with a single note, as decribed by the MIME type
+ * <code>vnd.android.cursor.item/vnd.google.note</code>.  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.</p>
+ * <li><pre>
+ * &lt;intent-filter&gt;
+ *     &lt;action android:value="{@link #ACTION_INSERT android.intent.action.INSERT}" /&gt;
+ *     &lt;category android:value="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
+ *     &lt;type android:value="vnd.android.cursor.dir/<i>vnd.google.note</i>" /&gt;
+ * &lt;/intent-filter&gt;</pre>
+ * <p>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.</p>
+ * </ol>
+ *
+ * <p>Given these capabilities, the following intents will resolve to the
+ * NoteEditor activity:</p>
+ *
+ * <ul>
+ *     <li> <p><b>{ action=android.app.action.VIEW
+ *          data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b>
+ *         shows the user the content of note <var>{ID}</var>.</p>
+ *     <li> <p><b>{ action=android.app.action.EDIT
+ *          data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b>
+ *         allows the user to edit the content of note <var>{ID}</var>.</p>
+ *     <li> <p><b>{ action=android.app.action.INSERT
+ *          data=content://com.google.provider.NotePad/notes }</b>
+ *         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.</p>
+ * </ul>
+ *
+ * <p>The last activity,
+ * <code>com.android.notepad.TitleEditor</code>, 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:</p>
+ *
+ * <pre>
+ * &lt;intent-filter android:label="@string/resolve_title"&gt;
+ *     &lt;action android:value="<i>com.android.notepad.action.EDIT_TITLE</i>" /&gt;
+ *     &lt;category android:value="{@link #CATEGORY_DEFAULT android.intent.category.DEFAULT}" /&gt;
+ *     &lt;category android:value="{@link #CATEGORY_ALTERNATIVE android.intent.category.ALTERNATIVE}" /&gt;
+ *     &lt;category android:value="{@link #CATEGORY_SELECTED_ALTERNATIVE android.intent.category.SELECTED_ALTERNATIVE}" /&gt;
+ *     &lt;type android:value="vnd.android.cursor.item/<i>vnd.google.note</i>" /&gt;
+ * &lt;/intent-filter&gt;</pre>
+ *
+ * <p>In the single intent template here, we
+ * have created our own private action called
+ * <code>com.android.notepad.action.EDIT_TITLE</code> which means to
+ * edit the title of a note.  It must be invoked on a specific note
+ * (data type <code>vnd.android.cursor.item/vnd.google.note</code>) like the previous
+ * view and edit actions, but here displays and edits the title contained
+ * in the note data.
+ *
+ * <p>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 <code>android:label="@string/resolve_title"</code>) to better control
+ * what the user sees when presented with this activity as an alternative
+ * action to the data they are viewing.
+ *
+ * <p>Given these capabilities, the following intent will resolve to the
+ * TitleEditor activity:</p>
+ *
+ * <ul>
+ *     <li> <p><b>{ action=com.android.notepad.action.EDIT_TITLE
+ *          data=content://com.google.provider.NotePad/notes/<var>{ID}</var> }</b>
+ *         displays and allows the user to edit the title associated
+ *         with note <var>{ID}</var>.</p>
+ * </ul>
+ *
+ * <h3>Standard Activity Actions</h3>
+ *
+ * <p>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}.
+ *
+ * <ul>
+ *     <li> {@link #ACTION_MAIN}
+ *     <li> {@link #ACTION_VIEW}
+ *     <li> {@link #ACTION_ATTACH_DATA}
+ *     <li> {@link #ACTION_EDIT}
+ *     <li> {@link #ACTION_PICK}
+ *     <li> {@link #ACTION_CHOOSER}
+ *     <li> {@link #ACTION_GET_CONTENT}
+ *     <li> {@link #ACTION_DIAL}
+ *     <li> {@link #ACTION_CALL}
+ *     <li> {@link #ACTION_SEND}
+ *     <li> {@link #ACTION_SENDTO}
+ *     <li> {@link #ACTION_ANSWER}
+ *     <li> {@link #ACTION_INSERT}
+ *     <li> {@link #ACTION_DELETE}
+ *     <li> {@link #ACTION_RUN}
+ *     <li> {@link #ACTION_SYNC}
+ *     <li> {@link #ACTION_PICK_ACTIVITY}
+ *     <li> {@link #ACTION_SEARCH}
+ *     <li> {@link #ACTION_WEB_SEARCH}
+ *     <li> {@link #ACTION_FACTORY_TEST}
+ * </ul>
+ *
+ * <h3>Standard Broadcast Actions</h3>
+ *
+ * <p>These are the current standard actions that Intent defines for receiving
+ * broadcasts (usually through {@link Context#registerReceiver} or a
+ * &lt;receiver&gt; tag in a manifest).
+ *
+ * <ul>
+ *     <li> {@link #ACTION_TIME_TICK}
+ *     <li> {@link #ACTION_TIME_CHANGED}
+ *     <li> {@link #ACTION_TIMEZONE_CHANGED}
+ *     <li> {@link #ACTION_BOOT_COMPLETED}
+ *     <li> {@link #ACTION_PACKAGE_ADDED}
+ *     <li> {@link #ACTION_PACKAGE_CHANGED}
+ *     <li> {@link #ACTION_PACKAGE_REMOVED}
+ *     <li> {@link #ACTION_UID_REMOVED}
+ *     <li> {@link #ACTION_BATTERY_CHANGED}
+ * </ul>
+ *
+ * <h3>Standard Categories</h3>
+ *
+ * <p>These are the current standard categories that can be used to further
+ * clarify an Intent via {@link #addCategory}.
+ *
+ * <ul>
+ *     <li> {@link #CATEGORY_DEFAULT}
+ *     <li> {@link #CATEGORY_BROWSABLE}
+ *     <li> {@link #CATEGORY_TAB}
+ *     <li> {@link #CATEGORY_ALTERNATIVE}
+ *     <li> {@link #CATEGORY_SELECTED_ALTERNATIVE}
+ *     <li> {@link #CATEGORY_LAUNCHER}
+ *     <li> {@link #CATEGORY_HOME}
+ *     <li> {@link #CATEGORY_PREFERENCE}
+ *     <li> {@link #CATEGORY_GADGET}
+ *     <li> {@link #CATEGORY_TEST}
+ * </ul>
+ *
+ * <h3>Standard Extra Data</h3>
+ *
+ * <p>These are the current standard fields that can be used as extra data via
+ * {@link #putExtra}.
+ *
+ * <ul>
+ *     <li> {@link #EXTRA_TEMPLATE}
+ *     <li> {@link #EXTRA_INTENT}
+ *     <li> {@link #EXTRA_STREAM}
+ *     <li> {@link #EXTRA_TEXT}
+ * </ul>
+ *
+ * <h3>Flags</h3>
+ *
+ * <p>These are the possible flags that can be used in the Intent via
+ * {@link #setFlags} and {@link #addFlags}.
+ *
+ * <ul>
+ *     <li> {@link #FLAG_GRANT_READ_URI_PERMISSION}
+ *     <li> {@link #FLAG_GRANT_WRITE_URI_PERMISSION}
+ *     <li> {@link #FLAG_FROM_BACKGROUND}
+ *     <li> {@link #FLAG_DEBUG_LOG_RESOLUTION}
+ *     <li> {@link #FLAG_ACTIVITY_NO_HISTORY}
+ *     <li> {@link #FLAG_ACTIVITY_SINGLE_TOP}
+ *     <li> {@link #FLAG_ACTIVITY_NEW_TASK}
+ *     <li> {@link #FLAG_ACTIVITY_MULTIPLE_TASK}
+ *     <li> {@link #FLAG_ACTIVITY_FORWARD_RESULT}
+ *     <li> {@link #FLAG_ACTIVITY_PREVIOUS_IS_TOP}
+ *     <li> {@link #FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS}
+ *     <li> {@link #FLAG_ACTIVITY_BROUGHT_TO_FRONT}
+ *     <li> {@link #FLAG_RECEIVER_REGISTERED_ONLY}
+ * </ul>
+ */
+public class Intent implements Parcelable {
+    // ---------------------------------------------------------------------
+    // ---------------------------------------------------------------------
+    // Standard intent activity actions (see action variable).
+
+    /**
+     *  Activity Action: Start as a main entry point, does not expect to
+     *  receive data.
+     *  <p>Input: nothing
+     *  <p>Output: nothing
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_MAIN = "android.intent.action.MAIN";
+    /**
+     * 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.
+     * <p>Input: {@link #getData} is URI from which to retrieve data.
+     * <p>Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_VIEW = "android.intent.action.VIEW";
+    /**
+     * A synonym for {@link #ACTION_VIEW}, the "standard" action that is
+     * performed on a piece of data.
+     */
+    public static final String ACTION_DEFAULT = ACTION_VIEW;
+    /**
+     * 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.
+     * <p>Input: {@link #getData} is URI of data to be attached.
+     * <p>Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_ATTACH_DATA = "android.intent.action.ATTACH_DATA";
+    /**
+     * Activity Action: Provide explicit editable access to the given data.
+     * <p>Input: {@link #getData} is URI of data to be edited.
+     * <p>Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_EDIT = "android.intent.action.EDIT";
+    /**
+     * Activity Action: Pick an existing item, or insert a new item, and then edit it.
+     * <p>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.
+     * <p>Output: The URI of the item that was picked.  This must be a content:
+     * URI so that any receiver can access it.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_INSERT_OR_EDIT = "android.intent.action.INSERT_OR_EDIT";
+    /**
+     * Activity Action: Pick an item from the data, returning what was selected.
+     * <p>Input: {@link #getData} is URI containing a directory of data
+     * (vnd.android.cursor.dir/*) from which to pick an item.
+     * <p>Output: The URI of the item that was picked.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_PICK = "android.intent.action.PICK";
+    /**
+     * Activity Action: Creates a shortcut.
+     * <p>Input: Nothing.
+     * <p>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).
+     * @see #EXTRA_SHORTCUT_INTENT
+     * @see #EXTRA_SHORTCUT_NAME
+     * @see #EXTRA_SHORTCUT_ICON
+     * @see #EXTRA_SHORTCUT_ICON_RESOURCE
+     * @see android.content.Intent.ShortcutIconResource
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_CREATE_SHORTCUT = "android.intent.action.CREATE_SHORTCUT";
+
+    /**
+     * The name of the extra used to define the Intent of a shortcut.
+     *
+     * @see #ACTION_CREATE_SHORTCUT
+     */
+    public static final String EXTRA_SHORTCUT_INTENT = "android.intent.extra.shortcut.INTENT";
+    /**
+     * The name of the extra used to define the name of a shortcut.
+     *
+     * @see #ACTION_CREATE_SHORTCUT
+     */
+    public static final String EXTRA_SHORTCUT_NAME = "android.intent.extra.shortcut.NAME";
+    /**
+     * The name of the extra used to define the icon, as a Bitmap, of a shortcut.
+     *
+     * @see #ACTION_CREATE_SHORTCUT
+     */
+    public static final String EXTRA_SHORTCUT_ICON = "android.intent.extra.shortcut.ICON";
+    /**
+     * The name of the extra used to define the icon, as a ShortcutIconResource, of a shortcut.
+     *
+     * @see #ACTION_CREATE_SHORTCUT
+     * @see android.content.Intent.ShortcutIconResource
+     */
+    public static final String EXTRA_SHORTCUT_ICON_RESOURCE =
+            "android.intent.extra.shortcut.ICON_RESOURCE";
+
+    /**
+     * Represents a shortcut icon resource.
+     *
+     * @see Intent#ACTION_CREATE_SHORTCUT
+     * @see Intent#EXTRA_SHORTCUT_ICON_RESOURCE
+     */
+    public static class ShortcutIconResource implements Parcelable {
+        /**
+         * The package name of the application containing the icon.
+         */
+        public String packageName;
+
+        /**
+         * The resource name of the icon, including package, name and type.
+         */
+        public String resourceName;
+
+        /**
+         * Creates a new ShortcutIconResource for the specified context and resource
+         * identifier.
+         *
+         * @param context The context of the application.
+         * @param resourceId The resource idenfitier for the icon.
+         * @return A new ShortcutIconResource with the specified's context package name
+         *         and icon resource idenfitier.
+         */
+        public static ShortcutIconResource fromContext(Context context, int resourceId) {
+            ShortcutIconResource icon = new ShortcutIconResource();
+            icon.packageName = context.getPackageName();
+            icon.resourceName = context.getResources().getResourceName(resourceId);
+            return icon;
+        }
+
+        /**
+         * Used to read a ShortcutIconResource from a Parcel.
+         */
+        public static final Parcelable.Creator<ShortcutIconResource> CREATOR =
+            new Parcelable.Creator<ShortcutIconResource>() {
+
+                public ShortcutIconResource createFromParcel(Parcel source) {
+                    ShortcutIconResource icon = new ShortcutIconResource();
+                    icon.packageName = source.readString();
+                    icon.resourceName = source.readString();
+                    return icon;
+                }
+
+                public ShortcutIconResource[] newArray(int size) {
+                    return new ShortcutIconResource[size];
+                }
+            };
+
+        /**
+         * No special parcel contents.
+         */
+        public int describeContents() {
+            return 0;
+        }
+
+        public void writeToParcel(Parcel dest, int flags) {
+            dest.writeString(packageName);
+            dest.writeString(resourceName);
+        }
+
+        @Override
+        public String toString() {
+            return resourceName;
+        }
+    }
+
+    /**
+     * 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:
+     * <ul>
+     * <li>You can specify the title that will appear in the activity chooser.
+     * <li>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.
+     * </ul>
+     * <p>
+     * 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.
+     * <p>
+     * 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:".
+     * <p>
+     * As a convenience, an Intent of this form can be created with the
+     * {@link #createChooser} function.
+     * <p>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.
+     * <p>Output: Depends on the protocol of {@link #EXTRA_INTENT}.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_CHOOSER = "android.intent.action.CHOOSER";
+
+    /**
+     * 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.
+     */
+    public static Intent createChooser(Intent target, CharSequence title) {
+        Intent intent = new Intent(ACTION_CHOOSER);
+        intent.putExtra(EXTRA_INTENT, target);
+        if (title != null) {
+            intent.putExtra(EXTRA_TITLE, title);
+        }
+        return intent;
+    }
+    /**
+     * 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.
+     * <p>
+     * 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.
+     * <p>
+     * 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.
+     * <p>
+     * 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.
+     * <p>
+     * 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.
+     * <p>
+     * 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.
+     * <p>
+     * Output: The URI of the item that was picked.  This must be a content:
+     * URI so that any receiver can access it.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_GET_CONTENT = "android.intent.action.GET_CONTENT";
+    /**
+     * 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.
+     * <p>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.
+     * <p>Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_DIAL = "android.intent.action.DIAL";
+    /**
+     * Activity Action: Perform a call to someone specified by the data.
+     * <p>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.
+     * <p>Output: nothing.
+     *
+     * <p>Note: there will be restrictions on which applications can initiate a
+     * call; most applications should use the {@link #ACTION_DIAL}.
+     * <p>Note: this Intent <strong>cannot</strong> be used to call emergency
+     * numbers.  Applications can <strong>dial</strong> emergency numbers using
+     * {@link #ACTION_DIAL}, however.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_CALL = "android.intent.action.CALL";
+    /**
+     * Activity Action: Perform a call to an emergency number specified by the
+     * data.
+     * <p>Input: {@link #getData} is URI of a phone number to be dialed or a
+     * tel: URI of an explicit phone number.
+     * <p>Output: nothing.
+     * @hide
+     */
+    public static final String ACTION_CALL_EMERGENCY = "android.intent.action.CALL_EMERGENCY";
+    /**
+     * Activity action: Perform a call to any number (emergency or not)
+     * specified by the data.
+     * <p>Input: {@link #getData} is URI of a phone number to be dialed or a
+     * tel: URI of an explicit phone number.
+     * <p>Output: nothing.
+     * @hide
+     */
+    public static final String ACTION_CALL_PRIVILEGED = "android.intent.action.CALL_PRIVILEGED";
+    /**
+     * Activity Action: Send a message to someone specified by the data.
+     * <p>Input: {@link #getData} is URI describing the target.
+     * <p>Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_SENDTO = "android.intent.action.SENDTO";
+    /**
+     * 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.
+     * <p>
+     * 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.
+     * <p>
+     * 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).
+     * <p>
+     * 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}.
+     * <p>
+     * Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_SEND = "android.intent.action.SEND";
+    /**
+     * Activity Action: Handle an incoming phone call.
+     * <p>Input: nothing.
+     * <p>Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_ANSWER = "android.intent.action.ANSWER";
+    /**
+     * Activity Action: Insert an empty item into the given container.
+     * <p>Input: {@link #getData} is URI of the directory (vnd.android.cursor.dir/*)
+     * in which to place the data.
+     * <p>Output: URI of the new data that was created.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_INSERT = "android.intent.action.INSERT";
+    /**
+     * Activity Action: Delete the given data from its container.
+     * <p>Input: {@link #getData} is URI of data to be deleted.
+     * <p>Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_DELETE = "android.intent.action.DELETE";
+    /**
+     * Activity Action: Run the data, whatever that means.
+     * <p>Input: ?  (Note: this is currently specific to the test harness.)
+     * <p>Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_RUN = "android.intent.action.RUN";
+    /**
+     * Activity Action: Perform a data synchronization.
+     * <p>Input: ?
+     * <p>Output: ?
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_SYNC = "android.intent.action.SYNC";
+    /**
+     * Activity Action: Pick an activity given an intent, returning the class
+     * selected.
+     * <p>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.
+     * <p>Output: Class name of the activity that was selected.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_PICK_ACTIVITY = "android.intent.action.PICK_ACTIVITY";
+    /**
+     * Activity Action: Perform a search.
+     * <p>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.
+     * <p>Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_SEARCH = "android.intent.action.SEARCH";
+    /**
+     * Activity Action: Perform a web search.
+     * <p>Input: {@link #getData} is URI of data. 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.
+     * <p>Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_WEB_SEARCH = "android.intent.action.WEB_SEARCH";
+    /**
+     * Activity Action: List all available applications
+     * <p>Input: Nothing.
+     * <p>Output: nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_ALL_APPS = "android.intent.action.ALL_APPS";
+    /**
+     * Activity Action: Show settings for choosing wallpaper
+     * <p>Input: Nothing.
+     * <p>Output: Nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_SET_WALLPAPER = "android.intent.action.SET_WALLPAPER";
+
+    /**
+     * Activity Action: Show activity for reporting a bug.
+     * <p>Input: Nothing.
+     * <p>Output: Nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_BUG_REPORT = "android.intent.action.BUG_REPORT";
+
+    /**
+     *  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.
+     *  <p>Input: nothing
+     *  <p>Output: nothing
+     */
+    public static final String ACTION_FACTORY_TEST = "android.intent.action.FACTORY_TEST";
+
+    /**
+     * Activity Action: The user pressed the "call" button to go to the dialer
+     * or other appropriate UI for placing a call.
+     * <p>Input: Nothing.
+     * <p>Output: Nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_CALL_BUTTON = "android.intent.action.CALL_BUTTON";
+
+    /**
+     * Activity Action: Start Voice Command.
+     * <p>Input: Nothing.
+     * <p>Output: Nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_VOICE_COMMAND = "android.intent.action.VOICE_COMMAND";
+
+    // ---------------------------------------------------------------------
+    // ---------------------------------------------------------------------
+    // Standard intent broadcast actions (see action variable).
+
+    /**
+     * Broadcast Action: Sent after the screen turns off.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_SCREEN_OFF = "android.intent.action.SCREEN_OFF";
+    /**
+     * Broadcast Action: Sent after the screen turns on.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_SCREEN_ON = "android.intent.action.SCREEN_ON";
+    /**
+     * Broadcast Action: The current time has changed.  Sent every
+     * minute.  You can <em>not</em> receive this through components declared
+     * in manifests, only by exlicitly registering for it with
+     * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
+     * Context.registerReceiver()}.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_TIME_TICK = "android.intent.action.TIME_TICK";
+    /**
+     * Broadcast Action: The time was set.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_TIME_CHANGED = "android.intent.action.TIME_SET";
+    /**
+     * Broadcast Action: The date has changed.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_DATE_CHANGED = "android.intent.action.DATE_CHANGED";
+    /**
+     * Broadcast Action: The timezone has changed. The intent will have the following extra values:</p>
+     * <ul>
+     *   <li><em>time-zone</em> - The java.util.TimeZone.getID() value identifying the new time zone.</li>
+     * </ul>
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_TIMEZONE_CHANGED = "android.intent.action.TIMEZONE_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.
+     * @hide
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_ALARM_CHANGED = "android.intent.action.ALARM_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.
+     * @hide
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_SYNC_STATE_CHANGED
+            = "android.intent.action.SYNC_STATE_CHANGED";
+    /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_BOOT_COMPLETED = "android.intent.action.BOOT_COMPLETED";
+    /**
+     * 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_CLOSE_SYSTEM_DIALOGS = "android.intent.action.CLOSE_SYSTEM_DIALOGS";
+    /**
+     * Broadcast Action: Trigger the download and eventual installation
+     * of a package.
+     * <p>Input: {@link #getData} is the URI of the package file to download.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_PACKAGE_INSTALL = "android.intent.action.PACKAGE_INSTALL";
+    /**
+     * Broadcast Action: A new application package has been installed on the
+     * device. The data contains the name of the package.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_PACKAGE_ADDED = "android.intent.action.PACKAGE_ADDED";
+    /**
+     * 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 <em>not</em> receive this Intent.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_PACKAGE_REMOVED = "android.intent.action.PACKAGE_REMOVED";
+    /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_PACKAGE_CHANGED = "android.intent.action.PACKAGE_CHANGED";
+    /**
+     * Broadcast Action: The user has restarted a package, all runtime state
+     * associated with it (processes, alarms, notifications, etc) should
+     * be remove.  The data contains the name of the package.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_PACKAGE_RESTARTED = "android.intent.action.PACKAGE_RESTARTED";
+    /**
+     * 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}.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_UID_REMOVED = "android.intent.action.UID_REMOVED";
+    /**
+     * Broadcast Action:  The current system wallpaper has changed.  See
+     * {@link Context#getWallpaper} for retrieving the new wallpaper.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_WALLPAPER_CHANGED = "android.intent.action.WALLPAPER_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.
+     *
+     * @see android.content.res.Configuration
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_CONFIGURATION_CHANGED = "android.intent.action.CONFIGURATION_CHANGED";
+    /**
+     * Broadcast Action:  The charging state, or charge level of the battery has
+     * changed.
+     * 
+     * <p class="note">
+     * You can <em>not</em> receive this through components declared
+     * in manifests, only by exlicitly registering for it with
+     * {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)
+     * Context.registerReceiver()}.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_BATTERY_CHANGED = "android.intent.action.BATTERY_CHANGED";
+    /**
+     * Broadcast Action:  Indicates low battery condition on the device.
+     * This broadcast corresponds to the "Low battery warning" system dialog.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_BATTERY_LOW = "android.intent.action.BATTERY_LOW";
+    /**
+     * Broadcast Action:  Indicates low memory condition on the device
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_DEVICE_STORAGE_LOW = "android.intent.action.DEVICE_STORAGE_LOW";
+    /**
+     * Broadcast Action:  Indicates low memory condition on the device no longer exists
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_DEVICE_STORAGE_OK = "android.intent.action.DEVICE_STORAGE_OK";
+    /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MANAGE_PACKAGE_STORAGE = "android.intent.action.MANAGE_PACKAGE_STORAGE";
+    /**
+     * 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
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_UMS_CONNECTED = "android.intent.action.UMS_CONNECTED";
+
+    /**
+     * 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
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_UMS_DISCONNECTED = "android.intent.action.UMS_DISCONNECTED";
+
+    /**
+     * Broadcast Action:  External media has been removed.
+     * The path to the mount point for the removed media is contained in the Intent.mData field.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MEDIA_REMOVED = "android.intent.action.MEDIA_REMOVED";
+
+    /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MEDIA_UNMOUNTED = "android.intent.action.MEDIA_UNMOUNTED";
+
+    /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MEDIA_MOUNTED = "android.intent.action.MEDIA_MOUNTED";
+
+    /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MEDIA_SHARED = "android.intent.action.MEDIA_SHARED";
+
+    /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MEDIA_BAD_REMOVAL = "android.intent.action.MEDIA_BAD_REMOVAL";
+
+    /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MEDIA_UNMOUNTABLE = "android.intent.action.MEDIA_UNMOUNTABLE";
+
+   /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MEDIA_EJECT = "android.intent.action.MEDIA_EJECT";
+
+    /**
+     * Broadcast Action:  The media scanner has started scanning a directory.
+     * The path to the directory being scanned is contained in the Intent.mData field.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MEDIA_SCANNER_STARTED = "android.intent.action.MEDIA_SCANNER_STARTED";
+
+   /**
+     * Broadcast Action:  The media scanner has finished scanning a directory.
+     * The path to the scanned directory is contained in the Intent.mData field.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MEDIA_SCANNER_FINISHED = "android.intent.action.MEDIA_SCANNER_FINISHED";
+
+   /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MEDIA_SCANNER_SCAN_FILE = "android.intent.action.MEDIA_SCANNER_SCAN_FILE";
+
+   /**
+     * Broadcast Action:  The "Media Button" was pressed.  Includes a single
+     * extra field, {@link #EXTRA_KEY_EVENT}, containing the key event that
+     * caused the broadcast.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_MEDIA_BUTTON = "android.intent.action.MEDIA_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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_CAMERA_BUTTON = "android.intent.action.CAMERA_BUTTON";
+
+    // *** NOTE: @todo(*) The following really should go into a more domain-specific
+    // location; they are not general-purpose actions.
+
+    /**
+     * Broadcast Action: An GTalk connection has been established.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_GTALK_SERVICE_CONNECTED =
+            "android.intent.action.GTALK_CONNECTED";
+
+    /**
+     * Broadcast Action: An GTalk connection has been disconnected.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_GTALK_SERVICE_DISCONNECTED =
+            "android.intent.action.GTALK_DISCONNECTED";
+
+    /**
+     * <p>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:</p>
+     * <ul>
+     *   <li><em>state</em> - 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</li>
+     * </ul>
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_AIRPLANE_MODE_CHANGED = "android.intent.action.AIRPLANE_MODE";
+
+    /**
+     * 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.
+     *
+     * <p>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.
+     *
+     * <p>The intent will have the following extra values:
+     * <ul>
+     *   <li><em>count</em> - 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. </li>
+     * </ul>
+     *
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_PROVIDER_CHANGED =
+            "android.intent.action.PROVIDER_CHANGED";
+
+    /**
+     * Broadcast Action: Wired Headset plugged in or unplugged.
+     *
+     * <p>The intent will have the following extra values:
+     * <ul>
+     *   <li><em>state</em> - 0 for unplugged, 1 for plugged. </li>
+     *   <li><em>name</em> - Headset type, human readable string </li>
+     * </ul>
+     * </ul>
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_HEADSET_PLUG =
+            "android.intent.action.HEADSET_PLUG";
+
+    /**
+     * Broadcast Action: An outgoing call is about to be placed.
+     *
+     * <p>The Intent will have the following extra value:
+     * <ul>
+     *   <li><em>{@link android.content.Intent#EXTRA_PHONE_NUMBER}</em> - 
+     *       the phone number originally intended to be dialed.</li>
+     * </ul>
+     * <p>Once the broadcast is finished, the resultData is used as the actual
+     * number to call.  If  <code>null</code>, no call will be placed.</p>
+     * <p>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.</p>
+     * <p>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.</p>
+     * <p>Any BroadcastReceiver receiving this Intent <em>must not</em>
+     * abort the broadcast.</p>
+     * <p>Emergency calls cannot be intercepted using this mechanism, and
+     * other calls cannot be modified to call emergency numbers using this
+     * mechanism.
+     * <p>You must hold the 
+     * {@link android.Manifest.permission#PROCESS_OUTGOING_CALLS}
+     * permission to receive this Intent.</p>
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_NEW_OUTGOING_CALL =
+            "android.intent.action.NEW_OUTGOING_CALL";
+
+    /**
+     * Broadcast Action: Have the device reboot.  This is only for use by
+     * system code.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_REBOOT =
+            "android.intent.action.REBOOT";
+
+    // ---------------------------------------------------------------------
+    // ---------------------------------------------------------------------
+    // Standard intent categories (see addCategory()).
+
+    /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_DEFAULT = "android.intent.category.DEFAULT";
+    /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_BROWSABLE = "android.intent.category.BROWSABLE";
+    /**
+     * 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.
+     *
+     * <p>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 &lt;intent-filter&gt; of this action
+     * describing to the user what it does.
+     *
+     * <p>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.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_ALTERNATIVE = "android.intent.category.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.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_SELECTED_ALTERNATIVE = "android.intent.category.SELECTED_ALTERNATIVE";
+    /**
+     * Intended to be used as a tab inside of an containing TabActivity.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_TAB = "android.intent.category.TAB";
+    /**
+     * This activity can be embedded inside of another activity that is hosting
+     * gadgets.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_GADGET = "android.intent.category.GADGET";
+    /**
+     * Should be displayed in the top-level launcher.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_LAUNCHER = "android.intent.category.LAUNCHER";
+    /**
+     * This is the home activity, that is the first activity that is displayed
+     * when the device boots.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_HOME = "android.intent.category.HOME";
+    /**
+     * This activity is a preference panel.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_PREFERENCE = "android.intent.category.PREFERENCE";
+    /**
+     * This activity is a development preference panel.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_DEVELOPMENT_PREFERENCE = "android.intent.category.DEVELOPMENT_PREFERENCE";
+    /**
+     * Capable of running inside a parent activity container.
+     *
+     * <p>Note: being removed in favor of more explicit categories such as
+     * CATEGORY_GADGET
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_EMBED = "android.intent.category.EMBED";
+    /**
+     * This activity may be exercised by the monkey or other automated test tools.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_MONKEY = "android.intent.category.MONKEY";
+    /**
+     * To be used as a test (not part of the normal user experience).
+     */
+    public static final String CATEGORY_TEST = "android.intent.category.TEST";
+    /**
+     * To be used as a unit test (run through the Test Harness).
+     */
+    public static final String CATEGORY_UNIT_TEST = "android.intent.category.UNIT_TEST";
+    /**
+     * To be used as an sample code example (not part of the normal user
+     * experience).
+     */
+    public static final String CATEGORY_SAMPLE_CODE = "android.intent.category.SAMPLE_CODE";
+    /**
+     * 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.
+     */
+    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
+    public static final String CATEGORY_OPENABLE = "android.intent.category.OPENABLE";
+
+    /**
+     * To be used as code under test for framework instrumentation tests.
+     */
+    public static final String CATEGORY_FRAMEWORK_INSTRUMENTATION_TEST =
+            "android.intent.category.FRAMEWORK_INSTRUMENTATION_TEST";
+    // ---------------------------------------------------------------------
+    // ---------------------------------------------------------------------
+    // Standard extra data keys.
+
+    /**
+     * 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_TEMPLATE = "android.intent.extra.TEMPLATE";
+
+    /**
+     * 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_TEXT = "android.intent.extra.TEXT";
+
+    /**
+     * 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_STREAM = "android.intent.extra.STREAM";
+
+    /**
+     * A String[] holding e-mail addresses that should be delivered to.
+     */
+    public static final String EXTRA_EMAIL       = "android.intent.extra.EMAIL";
+
+    /**
+     * A String[] holding e-mail addresses that should be carbon copied.
+     */
+    public static final String EXTRA_CC       = "android.intent.extra.CC";
+
+    /**
+     * A String[] holding e-mail addresses that should be blind carbon copied.
+     */
+    public static final String EXTRA_BCC      = "android.intent.extra.BCC";
+
+    /**
+     * A constant string holding the desired subject line of a message.
+     */
+    public static final String EXTRA_SUBJECT  = "android.intent.extra.SUBJECT";
+
+    /**
+     * An Intent describing the choices you would like shown with
+     * {@link #ACTION_PICK_ACTIVITY}.
+     */
+    public static final String EXTRA_INTENT = "android.intent.extra.INTENT";
+
+    /**
+     * A CharSequence dialog title to provide to the user when used with a
+     * {@link #ACTION_CHOOSER}.
+     */
+    public static final String EXTRA_TITLE = "android.intent.extra.TITLE";
+
+    /**
+     * A {@link android.view.KeyEvent} object containing the event that
+     * triggered the creation of the Intent it is in.
+     */
+    public static final String EXTRA_KEY_EVENT = "android.intent.extra.KEY_EVENT";
+
+    /**
+     * 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_DONT_KILL_APP = "android.intent.extra.DONT_KILL_APP";
+
+    /**
+     * 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_PHONE_NUMBER = "android.intent.extra.PHONE_NUMBER";
+    /**
+     * 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_UID = "android.intent.extra.UID";
+
+    /**
+     * 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 String EXTRA_ALARM_COUNT = "android.intent.extra.ALARM_COUNT";
+
+    // ---------------------------------------------------------------------
+    // ---------------------------------------------------------------------
+    // Intent flags (see mFlags variable).
+
+    /**
+     * 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_READ_URI_PERMISSION = 0x00000001;
+    /**
+     * 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_GRANT_WRITE_URI_PERMISSION = 0x00000002;
+    /**
+     * 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_FROM_BACKGROUND = 0x00000004;
+    /**
+     * 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_DEBUG_LOG_RESOLUTION = 0x00000008;
+
+    /**
+     * If set, the new activity is not kept in the history stack.
+     */
+    public static final int FLAG_ACTIVITY_NO_HISTORY = 0x40000000;
+    /**
+     * 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_SINGLE_TOP = 0x20000000;
+    /**
+     * 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 the
+     * <a href="{@docRoot}intro/appmodel.html">Application Model</a>
+     * documentation for more details on tasks.
+     *
+     * <p>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.
+     *
+     * <p>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.
+     *
+     * <p>This flag can not be used when the caller is requesting a result from
+     * the activity being launched.
+     */
+    public static final int FLAG_ACTIVITY_NEW_TASK = 0x10000000;
+    /**
+     * <strong>Do not use this flag unless you are implementing your own
+     * top-level application launcher.</strong>  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 <em>always</em> started to host the Activity for the
+     * Intent, regardless of whether there is already an existing task running
+     * the same thing.
+     *
+     * <p><strong>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.</strong>
+     * 
+     * <p>This flag is ignored if
+     * {@link #FLAG_ACTIVITY_NEW_TASK} is not set.
+     *
+     * <p>See the
+     * <a href="{@docRoot}intro/appmodel.html">Application Model</a>
+     * documentation for more details on tasks.
+     */
+    public static final int FLAG_ACTIVITY_MULTIPLE_TASK = 0x08000000;
+    /**
+     * 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.
+     *
+     * <p>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.
+     *
+     * <p>The currently running instance of task B in the above example will
+     * either receiving the new intent you are starting here in its
+     * onNewIntent() method, or be itself finished and restarting 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.
+     *
+     * <p>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.
+     *
+     * <p>See the
+     * <a href="{@docRoot}intro/appmodel.html">Application Model</a>
+     * documentation for more details on tasks.
+     */
+    public static final int FLAG_ACTIVITY_CLEAR_TOP = 0x04000000;
+    /**
+     * 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_FORWARD_RESULT = 0x02000000;
+    /**
+     * 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_PREVIOUS_IS_TOP = 0x01000000;
+    /**
+     * If set, the new activity is not kept in the list of recently launched
+     * activities.
+     */
+    public static final int FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS = 0x00800000;
+    /**
+     * 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_BROUGHT_TO_FRONT = 0x00400000;
+    /**
+     * 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_RESET_TASK_IF_NEEDED = 0x00200000;
+    /**
+     * If set, this activity is being launched from history (longpress home key).
+     */
+    public static final int FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY = 0x00100000;
+
+    /**
+     * 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 = 0x40000000;
+
+    // ---------------------------------------------------------------------
+
+    private String mAction;
+    private Uri mData;
+    private String mType;
+    private ComponentName mComponent;
+    private int mFlags;
+    private HashSet<String> mCategories;
+    private Bundle mExtras;
+
+    // ---------------------------------------------------------------------
+
+    /**
+     * Create an empty intent.
+     */
+    public Intent() {
+    }
+
+    /**
+     * Copy constructor.
+     */
+    public Intent(Intent o) {
+        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);
+        }
+    }
+
+    @Override
+    public Object clone() {
+        return new Intent(this);
+    }
+
+    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);
+        }
+    }
+
+    /**
+     * Make a clone of only the parts of the Intent that are relevant for
+     * filter matching: the action, data, type, component, and categories.
+     */
+    public Intent cloneFilter() {
+        return new Intent(this, false);
+    }
+
+    /**
+     * Create an intent with a given action.  All other fields (data, type,
+     * class) are null.  Note that the action <em>must</em> 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.
+     */
+    public Intent(String action) {
+        mAction = action;
+    }
+
+    /**
+     * Create an intent with a given action and for a given data url.  Note
+     * that the action <em>must</em> 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.
+     * @param uri The Intent data URI.
+     */
+    public Intent(String action, Uri uri) {
+        mAction = action;
+        mData = uri;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent(Context packageContext, Class<?> cls) {
+        mComponent = new ComponentName(packageContext, 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.
+     *
+     * @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
+     */
+    public Intent(String action, Uri uri,
+            Context packageContext, Class<?> cls) {
+        mAction = action;
+        mData = uri;
+        mComponent = new ComponentName(packageContext, cls);
+    }
+
+    /**
+     * 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.
+     *
+     * <p>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
+     */
+    public static Intent getIntent(String uri) throws URISyntaxException {
+        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 Intent getIntentOld(String uri) throws URISyntaxException {
+        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;
+    }
+
+    /**
+     * 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
+     */
+    public String getAction() {
+        return mAction;
+    }
+
+    /**
+     * 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
+     */
+    public Uri getData() {
+        return mData;
+    }
+
+    /**
+     * The same as {@link #getData()}, but returns the URI as an encoded
+     * String.
+     */
+    public String getDataString() {
+        return mData != null ? mData.toString() : null;
+    }
+
+    /**
+     * 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".
+     *
+     * <p>This is the same as calling getData().getScheme() (and checking for
+     * null data).
+     *
+     * @return The scheme of this intent.
+     *
+     * @see #getData
+     */
+    public String getScheme() {
+        return mData != null ? mData.getScheme() : null;
+    }
+
+    /**
+     * 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
+     */
+    public String getType() {
+        return mType;
+    }
+
+    /**
+     * 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)
+     */
+    public String resolveType(Context context) {
+        return resolveType(context.getContentResolver());
+    }
+
+    /**
+     * 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)
+     */
+    public String resolveType(ContentResolver resolver) {
+        if (mType != null) {
+            return mType;
+        }
+        if (mData != null) {
+            if ("content".equals(mData.getScheme())) {
+                return resolver.getType(mData);
+            }
+        }
+        return null;
+    }
+
+    /**
+     * 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.
+     */
+    public String resolveTypeIfNeeded(ContentResolver resolver) {
+        if (mComponent != null) {
+            return mType;
+        }
+        return resolveType(resolver);
+    }
+
+    /**
+     * 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
+     */
+    public boolean hasCategory(String category) {
+        return mCategories != null && mCategories.contains(category);
+    }
+
+    /**
+     * 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
+     */
+    public Set<String> getCategories() {
+        return mCategories;
+    }
+
+    /**
+     * 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.
+     */
+    public void setExtrasClassLoader(ClassLoader loader) {
+        if (mExtras != null) {
+            mExtras.setClassLoader(loader);
+        }
+    }
+
+    /**
+     * 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.
+     */
+    public boolean hasExtra(String name) {
+        return mExtras != null && mExtras.containsKey(name);
+    }
+
+    /**
+     * Returns true if the Intent's extras contain a parcelled file descriptor.
+     * @return true if the Intent contains a parcelled file descriptor.
+     */
+    public boolean hasFileDescriptors() {
+        return mExtras != null && mExtras.hasFileDescriptors();
+    }
+    
+    /**
+     * 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
+     */
+    @Deprecated
+    public Object getExtra(String name) {
+        return getExtra(name, null);
+    }
+
+    /**
+     * 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)
+     */
+    public boolean getBooleanExtra(String name, boolean defaultValue) {
+        return mExtras == null ? defaultValue :
+            mExtras.getBoolean(name, 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)
+     */
+    public byte getByteExtra(String name, byte defaultValue) {
+        return mExtras == null ? defaultValue :
+            mExtras.getByte(name, 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)
+     */
+    public short getShortExtra(String name, short defaultValue) {
+        return mExtras == null ? defaultValue :
+            mExtras.getShort(name, 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)
+     */
+    public char getCharExtra(String name, char defaultValue) {
+        return mExtras == null ? defaultValue :
+            mExtras.getChar(name, 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)
+     */
+    public int getIntExtra(String name, int defaultValue) {
+        return mExtras == null ? defaultValue :
+            mExtras.getInt(name, 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)
+     */
+    public long getLongExtra(String name, long defaultValue) {
+        return mExtras == null ? defaultValue :
+            mExtras.getLong(name, 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)
+     */
+    public float getFloatExtra(String name, float defaultValue) {
+        return mExtras == null ? defaultValue :
+            mExtras.getFloat(name, 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)
+     */
+    public double getDoubleExtra(String name, double defaultValue) {
+        return mExtras == null ? defaultValue :
+            mExtras.getDouble(name, defaultValue);
+    }
+
+    /**
+     * 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)
+     */
+    public String getStringExtra(String name) {
+        return mExtras == null ? null : mExtras.getString(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)
+     */
+    public CharSequence getCharSequenceExtra(String name) {
+        return mExtras == null ? null : mExtras.getCharSequence(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)
+     */
+    public <T extends Parcelable> T getParcelableExtra(String name) {
+        return mExtras == null ? null : mExtras.<T>getParcelable(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[])
+     */
+    public Parcelable[] getParcelableArrayExtra(String name) {
+        return mExtras == null ? null : mExtras.getParcelableArray(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<Parcelable> value was found.
+     *
+     * @see #putParcelableArrayListExtra(String, ArrayList)
+     */
+    public <T extends Parcelable> ArrayList<T> getParcelableArrayListExtra(String name) {
+        return mExtras == null ? null : mExtras.<T>getParcelableArrayList(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)
+     */
+    public Serializable getSerializableExtra(String name) {
+        return mExtras == null ? null : mExtras.getSerializable(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<Integer> value was found.
+     *
+     * @see #putIntegerArrayListExtra(String, ArrayList)
+     */
+    public ArrayList<Integer> getIntegerArrayListExtra(String name) {
+        return mExtras == null ? null : mExtras.getIntegerArrayList(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<String> value was found.
+     *
+     * @see #putStringArrayListExtra(String, ArrayList)
+     */
+    public ArrayList<String> getStringArrayListExtra(String name) {
+        return mExtras == null ? null : mExtras.getStringArrayList(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[])
+     */
+    public boolean[] getBooleanArrayExtra(String name) {
+        return mExtras == null ? null : mExtras.getBooleanArray(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[])
+     */
+    public byte[] getByteArrayExtra(String name) {
+        return mExtras == null ? null : mExtras.getByteArray(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[])
+     */
+    public short[] getShortArrayExtra(String name) {
+        return mExtras == null ? null : mExtras.getShortArray(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[])
+     */
+    public char[] getCharArrayExtra(String name) {
+        return mExtras == null ? null : mExtras.getCharArray(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[])
+     */
+    public int[] getIntArrayExtra(String name) {
+        return mExtras == null ? null : mExtras.getIntArray(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[])
+     */
+    public long[] getLongArrayExtra(String name) {
+        return mExtras == null ? null : mExtras.getLongArray(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[])
+     */
+    public float[] getFloatArrayExtra(String name) {
+        return mExtras == null ? null : mExtras.getFloatArray(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[])
+     */
+    public double[] getDoubleArrayExtra(String name) {
+        return mExtras == null ? null : mExtras.getDoubleArray(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[])
+     */
+    public String[] getStringArrayExtra(String name) {
+        return mExtras == null ? null : mExtras.getStringArray(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)
+     */
+    public Bundle getBundleExtra(String name) {
+        return mExtras == null ? null : mExtras.getBundle(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
+     */
+    @Deprecated
+    public IBinder getIBinderExtra(String name) {
+        return mExtras == null ? null : mExtras.getIBinder(name);
+    }
+
+    /**
+     * 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
+     */
+    @Deprecated
+    public Object getExtra(String name, Object defaultValue) {
+        Object result = defaultValue;
+        if (mExtras != null) {
+            Object result2 = mExtras.get(name);
+            if (result2 != null) {
+                result = result2;
+            }
+        }
+
+        return result;
+    }
+
+    /**
+     * 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.
+     */
+    public Bundle getExtras() {
+        return (mExtras != null)
+                ? new Bundle(mExtras)
+                : null;
+    }
+
+    /**
+     * 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
+     */
+    public int getFlags() {
+        return mFlags;
+    }
+
+    /**
+     * 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
+     */
+    public ComponentName getComponent() {
+        return mComponent;
+    }
+
+    /**
+     * 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:
+     *
+     * <p>If {@link #getComponent} returns an explicit class, that is returned
+     * without any further consideration.
+     *
+     * <p>The activity must handle the {@link Intent#CATEGORY_DEFAULT} Intent
+     * category to be considered.
+     *
+     * <p>If {@link #getAction} is non-NULL, the activity must handle this
+     * action.
+     *
+     * <p>If {@link #resolveType} returns non-NULL, the activity must handle
+     * this type.
+     *
+     * <p>If {@link #addCategory} has added any categories, the activity must
+     * handle ALL of the categories specified.
+     *
+     * <p>If there are no activities that satisfy all of these conditions, a
+     * null string is returned.
+     *
+     * <p>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.
+     *
+     * <p>This method is implemented simply by calling
+     * {@link PackageManager#resolveActivity} with the "defaultOnly" parameter
+     * true.</p>
+     * <p> This API is called for you as part of starting an activity from an
+     * intent.  You do not normally need to call it yourself.</p>
+     *
+     * @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
+     */
+    public ComponentName resolveActivity(PackageManager pm) {
+        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;
+    }
+
+    /**
+     * 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
+     */
+    public ActivityInfo resolveActivityInfo(PackageManager pm, int flags) {
+        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;
+    }
+
+    /**
+     * 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
+     */
+    public Intent setAction(String action) {
+        mAction = action;
+        return this;
+    }
+
+    /**
+     * Set the data this intent is operating on.  This method automatically
+     * clears any type that was previously set by {@link #setType}.
+     *
+     * @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
+     */
+    public Intent setData(Uri data) {
+        mData = data;
+        mType = null;
+        return this;
+    }
+
+    /**
+     * 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}.
+     *
+     * @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
+     */
+    public Intent setType(String type) {
+        mData = null;
+        mType = type;
+        return this;
+    }
+
+    /**
+     * (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.
+     *
+     * @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
+     */
+    public Intent setDataAndType(Uri data, String type) {
+        mData = data;
+        mType = type;
+        return this;
+    }
+
+    /**
+     * 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 <em>all</em> 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
+     */
+    public Intent addCategory(String category) {
+        if (mCategories == null) {
+            mCategories = new HashSet<String>();
+        }
+        mCategories.add(category);
+        return this;
+    }
+
+    /**
+     * Remove an category from an intent.
+     *
+     * @param category The category to remove.
+     *
+     * @see #addCategory
+     */
+    public void removeCategory(String category) {
+        if (mCategories != null) {
+            mCategories.remove(category);
+            if (mCategories.size() == 0) {
+                mCategories = null;
+            }
+        }
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, boolean value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putBoolean(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, byte value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putByte(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, char value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putChar(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, short value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putShort(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, int value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putInt(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, long value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putLong(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, float value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putFloat(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, double value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putDouble(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, String value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putString(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, CharSequence value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putCharSequence(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, Parcelable value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putParcelable(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, Parcelable[] value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putParcelableArray(name, value);
+        return this;
+    }
+
+    /**
+     * 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<Parcelable> data value.
+     *
+     * @return Returns the same Intent object, for chaining multiple calls
+     * into a single statement.
+     *
+     * @see #putExtras
+     * @see #removeExtra
+     * @see #getParcelableArrayListExtra(String)
+     */
+    public Intent putParcelableArrayListExtra(String name, ArrayList<? extends Parcelable> value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putParcelableArrayList(name, value);
+        return this;
+    }
+
+    /**
+     * 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<Integer> data value.
+     *
+     * @return Returns the same Intent object, for chaining multiple calls
+     * into a single statement.
+     *
+     * @see #putExtras
+     * @see #removeExtra
+     * @see #getIntegerArrayListExtra(String)
+     */
+    public Intent putIntegerArrayListExtra(String name, ArrayList<Integer> value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putIntegerArrayList(name, value);
+        return this;
+    }
+
+    /**
+     * 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<String> data value.
+     *
+     * @return Returns the same Intent object, for chaining multiple calls
+     * into a single statement.
+     *
+     * @see #putExtras
+     * @see #removeExtra
+     * @see #getStringArrayListExtra(String)
+     */
+    public Intent putStringArrayListExtra(String name, ArrayList<String> value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putStringArrayList(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, Serializable value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putSerializable(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, boolean[] value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putBooleanArray(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, byte[] value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putByteArray(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, short[] value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putShortArray(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, char[] value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putCharArray(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, int[] value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putIntArray(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, long[] value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putLongArray(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, float[] value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putFloatArray(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, double[] value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putDoubleArray(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, String[] value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putStringArray(name, value);
+        return this;
+    }
+
+    /**
+     * 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)
+     */
+    public Intent putExtra(String name, Bundle value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putBundle(name, value);
+        return this;
+    }
+
+    /**
+     * 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
+     */
+    @Deprecated
+    public Intent putExtra(String name, IBinder value) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putIBinder(name, value);
+        return this;
+    }
+
+    /**
+     * Copy all extras in 'src' in to this intent.
+     *
+     * @param src Contains the extras to copy.
+     *
+     * @see #putExtra
+     */
+    public Intent putExtras(Intent src) {
+        if (src.mExtras != null) {
+            if (mExtras == null) {
+                mExtras = new Bundle(src.mExtras);
+            } else {
+                mExtras.putAll(src.mExtras);
+            }
+        }
+        return this;
+    }
+
+    /**
+     * 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
+     */
+    public Intent putExtras(Bundle extras) {
+        if (mExtras == null) {
+            mExtras = new Bundle();
+        }
+        mExtras.putAll(extras);
+        return this;
+    }
+
+    /**
+     * Remove extended data from the intent.
+     *
+     * @see #putExtra
+     */
+    public void removeExtra(String name) {
+        if (mExtras != null) {
+            mExtras.remove(name);
+            if (mExtras.size() == 0) {
+                mExtras = null;
+            }
+        }
+    }
+
+    /**
+     * 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()}.
+     *
+     * <p>See the <a href="{@docRoot}intro/appmodel.html">Application Model</a>
+     * 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_RESET_TASK_IF_NEEDED
+     * @see #FLAG_ACTIVITY_BROUGHT_TO_FRONT
+     * @see #FLAG_ACTIVITY_CLEAR_TOP
+     * @see #FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
+     * @see #FLAG_ACTIVITY_FORWARD_RESULT
+     * @see #FLAG_ACTIVITY_MULTIPLE_TASK
+     * @see #FLAG_ACTIVITY_NEW_TASK
+     * @see #FLAG_ACTIVITY_NO_HISTORY
+     * @see #FLAG_ACTIVITY_SINGLE_TOP
+     * @see #FLAG_RECEIVER_REGISTERED_ONLY
+     */
+    public Intent setFlags(int flags) {
+        mFlags = flags;
+        return this;
+    }
+
+    /**
+     * 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
+     */
+    public Intent addFlags(int flags) {
+        mFlags |= flags;
+        return this;
+    }
+
+    /**
+     * (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
+     */
+    public Intent setComponent(ComponentName component) {
+        mComponent = component;
+        return this;
+    }
+
+    /**
+     * 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
+     */
+    public Intent setClassName(Context packageContext, String className) {
+        mComponent = new ComponentName(packageContext, className);
+        return this;
+    }
+
+    /**
+     * 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
+     */
+    public Intent setClassName(String packageName, String className) {
+        mComponent = new ComponentName(packageName, className);
+        return this;
+    }
+
+    /**
+     * 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
+     *            <code>setClassName(context, cls.getName())</code>.
+     *
+     * @return Returns the same Intent object, for chaining multiple calls
+     * into a single statement.
+     *
+     * @see #setComponent
+     */
+    public Intent setClass(Context packageContext, Class<?> cls) {
+        mComponent = new ComponentName(packageContext, cls);
+        return this;
+    }
+
+    /**
+     * 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_ACTION = 1<<0;
+
+    /**
+     * 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_DATA = 1<<1;
+
+    /**
+     * Use with {@link #fillIn} to allow the current categories to be
+     * overwritten, even if they are already set.
+     */
+    public static final int FILL_IN_CATEGORIES = 1<<2;
+
+    /**
+     * Use with {@link #fillIn} to allow the current component value to be
+     * overwritten, even if it is already set.
+     */
+    public static final int FILL_IN_COMPONENT = 1<<3;
+
+    /**
+     * Copy the contents of <var>other</var> 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:
+     *
+     * <ul>
+     * <li> action, as set by {@link #setAction}.
+     * <li> data URI and MIME type, as set by {@link #setData(Uri)},
+     * {@link #setType(String)}, or {@link #setDataAndType(Uri, String)}.
+     * <li> categories, as set by {@link #addCategory}.
+     * <li> component, as set by {@link #setComponent(ComponentName)} or
+     * related methods.
+     * <li> each top-level name in the associated extras.
+     * </ul>
+     *
+     * <p>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.
+     *
+     * <p>For example, consider Intent A with {data="foo", categories="bar"}
+     * and Intent B with {action="gotit", data-type="some/thing",
+     * categories="one","two"}.
+     *
+     * <p>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.
+     */
+    public int fillIn(Intent other, int flags) {
+        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;
+    }
+
+    /**
+     * Wrapper class holding an Intent and implementing comparisons on it for
+     * the purpose of filtering.  The class implements its
+     * {@link #equals equals()} and {@link #hashCode hashCode()} methods as
+     * simple calls to {@link Intent#filterEquals(Intent)}  filterEquals()} and
+     * {@link android.content.Intent#filterHashCode()}  filterHashCode()}
+     * on the wrapped Intent.
+     */
+    public static final class FilterComparison {
+        private final Intent mIntent;
+        private final int mHashCode;
+
+        public FilterComparison(Intent intent) {
+            mIntent = intent;
+            mHashCode = intent.filterHashCode();
+        }
+
+        /**
+         * Return the Intent that this FilterComparison represents.
+         * @return Returns the Intent held by the FilterComparison.  Do
+         * not modify!
+         */
+        public Intent getIntent() {
+            return mIntent;
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            Intent other;
+            try {
+                other = ((FilterComparison)obj).mIntent;
+            } catch (ClassCastException e) {
+                return false;
+            }
+
+            return mIntent.filterEquals(other);
+        }
+
+        @Override
+        public int hashCode() {
+            return mHashCode;
+        }
+    }
+
+    /**
+     * 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 <em>not</em> 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.
+     */
+    public boolean filterEquals(Intent other) {
+        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;
+    }
+
+    /**
+     * Generate hash code that matches semantics of filterEquals().
+     *
+     * @return Returns the hash value of the action, data, type, class, and
+     *         categories.
+     *
+     * @see #filterEquals
+     */
+    public int filterHashCode() {
+        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;
+    }
+
+    @Override
+    public 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 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 int describeContents() {
+        return (mExtras != null) ? mExtras.describeContents() : 0;
+    }
+
+    public void writeToParcel(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);
+    }
+
+    public static final Parcelable.Creator<Intent> CREATOR
+            = new Parcelable.Creator<Intent>() {
+        public Intent createFromParcel(Parcel in) {
+            return new Intent(in);
+        }
+        public Intent[] newArray(int size) {
+            return new Intent[size];
+        }
+    };
+
+    private Intent(Parcel in) {
+        readFromParcel(in);
+    }
+
+    public void readFromParcel(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();
+    }
+
+    /**
+     * 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 <category android:name="xxx"> tags to add categories and
+     * <extra android:name="xxx" android:value="yyy"> 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 <var>parser</var> 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.
+     */
+    public static Intent parseIntent(Resources resources, XmlPullParser parser, AttributeSet attrs)
+            throws XmlPullParserException, IOException {
+        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")) {
+                parseExtra(resources, intent, parser, attrs);
+
+            } else {
+                XmlUtils.skipCurrentTag(parser);
+            }
+        }
+
+        return intent;
+    }
+
+    private static void parseExtra(Resources resources, Intent intent, XmlPullParser parser,
+            AttributeSet attrs) throws XmlPullParserException, IOException {
+        TypedArray sa = resources.obtainAttributes(attrs,
+                com.android.internal.R.styleable.IntentExtra);
+
+        String name = sa.getString(
+                com.android.internal.R.styleable.IntentExtra_name);
+        if (name == null) {
+            sa.recycle();
+            throw new RuntimeException(
+                    "<extra> requires an android:name attribute at "
+                    + parser.getPositionDescription());
+        }
+
+        TypedValue v = sa.peekValue(
+                com.android.internal.R.styleable.IntentExtra_value);
+        if (v != null) {
+            if (v.type == TypedValue.TYPE_STRING) {
+                CharSequence cs = v.coerceToString();
+                intent.putExtra(name, cs != null ? cs.toString() : null);
+            } else if (v.type == TypedValue.TYPE_INT_BOOLEAN) {
+                intent.putExtra(name, v.data != 0);
+            } else if (v.type >= TypedValue.TYPE_FIRST_INT
+                    && v.type <= TypedValue.TYPE_LAST_INT) {
+                intent.putExtra(name, v.data);
+            } else if (v.type == TypedValue.TYPE_FLOAT) {
+                intent.putExtra(name, v.getFloat());
+            } else {
+                sa.recycle();
+                throw new RuntimeException(
+                        "<extra> only supports string, integer, float, color, and boolean at "
+                        + parser.getPositionDescription());
+            }
+        } else {
+            sa.recycle();
+            throw new RuntimeException(
+                    "<extra> requires an android:value or android:resource attribute at "
+                    + parser.getPositionDescription());
+        }
+
+        sa.recycle();
+
+        XmlUtils.skipCurrentTag(parser);
+    }
+}