android_frameworks_base/docs/html/guide/topics/resources/menu-resource.jd

page.title=Menu Resource
parent.title=Resource Types
parent.link=available-resources.html
@jd:body

<div id="qv-wrapper">
  <div id="qv">
    <h2>See also</h2>
    <ol>
      <li><a href="{@docRoot}guide/topics/ui/menus.html">Creating Menus</a></li>
    </ol>
  </div>
</div>

<p>A menu resource defines an application menu (Options Menu, Context Menu, or Sub Menu) that
can be inflated with {@link android.view.MenuInflater}.</p>

<dl class="xml">

<dt>file location:</dt>
<dd><code>res/menu/<em>filename</em>.xml</code><br/>
The filename will be used as the resource ID.</dd>

<dt>compiled resource datatype:</dt>
<dd>Resource pointer to a {@link android.view.Menu} (or subclass) resource.</dd>

<dt>resource reference:</dt>
<dd>
In Java: <code>R.menu.<em>filename</em></code><br/>
In XML: <code>@[<em>package</em>:]menu.<em>filename</em></code>
</dd>

<dt>syntax:</dt>
<dd>
<pre>
&lt;?xml version="1.0" encoding="utf-8"?>
&lt;<a href="#menu-element">menu</a> xmlns:android="http://schemas.android.com/apk/res/android">
    &lt;<a href="#item-element">item</a> android:id="<em>resource ID</em>"
          android:menuCategory=["container" | "system" | "secondary" | "alternative"]
          android:orderInCategory="<em>integer</em>"
          android:title="<em>string</em>"
          android:titleCondensed="<em>string</em>"
          android:icon="<em>drawable resource</em>"
          android:alphabeticShortcut="<em>string</em>"
          android:numericShortcut="<em>string</em>"
          android:checkable=["true" | "false"]
          android:visible=["visible" | "invisible" | "gone"]
          android:enabled=["enabled" | "disabled"] /&gt;
    &lt;<a href="#group-element">group</a> android:id="<em>resource ID</em>"
           android:menuCategory=["container" | "system" | "secondary" | "alternative"]
           android:orderInCategory="<em>integer</em>"
           android:checkableBehavior=["none" | "all" | "single"]
           android:visible=["visible" | "invisible" | "gone"]
           android:enabled=["enabled" | "disabled"] &gt;
        &lt;<a href="#item-element">item</a> /&gt;
    &lt;/group&gt;
    &lt;<a href="#item-element">item</a> &gt;
        &lt;<a href="#menu-element">menu</a>&gt;
          &lt;<a href="#item-element">item</a> /&gt;
        &lt;/menu&gt;
    &lt;/item&gt;
&lt;/menu&gt;
</pre>
</dd>

<dt>elements:</dt>
<dd>
<dl class="tag-list">

  <dt id="menu-element"><code>&lt;menu&gt;</code></dt>
    <dd><strong>Required.</strong> This must be the root node. Contains <code>&lt;item></code> and/or
      <code>&lt;group></code> elements.
      <p class="caps">attributes:</p>
      <dl class="atn-list">
        <dt><code>xmlns:android</code></dt>
          <dd><em>String</em>. <strong>Required.</strong> Defines the XML namespace, which must be
          <code>"http://schemas.android.com/apk/res/android"</code>.
      </dl>
    </dd>
  <dt id="group-element"><code>&lt;group&gt;</code></dt>
    <dd>A menu group (to create a collection of items that share traits, such as whether they are
visible, enabled, or checkable). Contains one or more <code>&lt;item&gt;</code> elements. Must be a
child of a <code>&lt;menu&gt;</code> element.
      <p class="caps">attributes:</p>
      <dl class="atn-list">
        <dt><code>android:id</code></dt>
        <dd><em>Resource name</em>. A unique resource name. The value takes the form:
<code>"@+id/<em>name</em>"</code>.</dd>
        <dt><code>android:menuCategory</code></dt>
          <dd><em>Keyword</em>. Value corresponding to {@link android.view.Menu} {@code CATEGORY_*}
          constants, which define the group's priority. Valid values:
          <table>
            <tr><th>Value</th><th>Description</th></tr>
            <tr><td><code>container</code></td><td>For groups that are part of a
container.</td></tr>
            <tr><td><code>system</code></td><td>For groups that are provided by the
system.</td></tr>
            <tr><td><code>secondary</code></td><td>For groups that are user-supplied secondary
(infrequently used) options.</td></tr>
            <tr><td><code>alternative</code></td><td>For groups that are alternative actions
on the data that is currently displayed.</td></tr>
          </table>
        </dd>
        <dt><code>android:orderInCategory</code></dt>
        <dd><em>Integer</em>. The default order of the items within the category.</dd>
        <dt><code>android:checkableBehavior</code></dt>
        <dd><em>Keyword</em>. The type of checkable behavior for the group. Valid values:
          <table>
            <tr><th>Value</th><th>Description</th></tr>
            <tr><td><code>none</code></td><td>Not checkable</td></tr>
            <tr><td><code>all</code></td><td>All items can be checked (use checkboxes)</td></tr>
            <tr><td><code>single</code></td><td>Only one item can be checked (use radio buttons)</td></tr>
          </table>
        </dd>
        <dt><code>android:visible</code></dt>
        <dd><em>Boolean</em>. "true" if the group is visible.</dd>
        <dt><code>android:enabled</code></dt>
        <dd><em>Boolean</em>. "true" if the group is enabled.</dd>
      </dl>
    </dd>
  <dt id="item-element"><code>&lt;item&gt;</code></dt>
    <dd>A menu item. May contain a <code>&lt;menu&gt;</code> element (for a Sub
      Menu). Must be a child of a <code>&lt;menu&gt;</code> or <code>&lt;group&gt;</code> element.
      <p class="caps">attributes:</p>
      <dl class="atn-list">
        <dt><code>android:id</code></dt>
        <dd><em>Resource name</em>. A unique resource name. The value takes the form:
<code>"@+id/<em>name</em>"</code>.</dd>
        <dt><code>android:menuCategory</code></dt>
          <dd><em>Keyword</em>. Value corresponding to {@link android.view.Menu} {@code CATEGORY_*}
          constants, which define the item's priority. Valid values:
          <table>
            <tr><th>Value</th><th>Description</th></tr>
            <tr><td><code>container</code></td><td>For items that are part of a
container.</td></tr>
            <tr><td><code>system</code></td><td>For items that are provided by the
system.</td></tr>
            <tr><td><code>secondary</code></td><td>For items that are user-supplied secondary
(infrequently used) options.</td></tr>
            <tr><td><code>alternative</code></td><td>For items that are alternative actions
on the data that is currently displayed.</td></tr>
          </table>
        </dd>
        <dt><code>android:orderInCategory</code></dt>
          <dd><em>Integer</em>. The order of "importance" of the item, within a group.</dd>
        <dt><code>android:title</code></dt>
          <dd><em>String</em>. The menu title.</dd>
        <dt><code>android:titleCondensed</code></dt>
          <dd><em>String</em>. A condensed title, for situations in which the normal title is
too long.</dd>
        <dt><code>android:icon</code></dt>
          <dd><em>Drawable resource</em>. An image to be used as the menu item icon.</dd>
        <dt><code>android:alphabeticShortcut</code></dt>
          <dd><em>Char</em>. A character for the alphabetic shortcut key.</dd>
        <dt><code>android:numericShortcut</code></dt>
          <dd><em>Integer</em>. A number for the numeric shortcut key.</dd>
        <dt><code>android:checkable</code></dt>
          <dd><em>Boolean</em>. "true" if the item is checkable.</dd>
        <dt><code>android:checked</code></dt>
          <dd><em>Boolean</em>. "true" if the item is checked by default.</dd>
        <dt><code>android:visible</code></dt>
          <dd><em>Boolean</em>. "true" if the item is visible by default.</dd>
        <dt><code>android:enabled</code></dt>
          <dd><em>Boolean</em>. "true" if the item is enabled by default.</dd>
      </dl>
    </dd>
</dl>

</dd>

<dt>example:</dt>
<dd>XML file saved at <code>res/menu/example_menu.xml</code>:
<pre>
&lt;menu xmlns:android="http://schemas.android.com/apk/res/android">
    &lt;item android:id="@+id/example_item"
          android:title="Example Item"
          android:icon="@drawable/example_item_icon" />
    &lt;group android:id="@+id/example_group">
        &lt;item android:id="@+id/group_item1"
              android:title="Group Item 1"
              android:icon="@drawable/example_item1_icon" />
        &lt;item android:id="@+id/group_item2"
              android:title="Group Item 2"
              android:icon="@drawable/example_item2_icon" />
    &lt;/group>
    &lt;item android:id="@+id/submenu"
          android:title="Sub Menu" >
        &lt;menu>
            &lt;item android:id="@+id/submenu_item"
                  android:title="Sub Menu Item" />
        &lt;/menu>
    &lt;/item>
&lt;/menu>
</pre>
    <p>This application code will inflate the menu from the {@link
android.app.Activity#onCreateOptionsMenu(Menu)} callback:</p>
<pre>
public boolean onCreateOptionsMenu(Menu menu) {
  MenuInflater inflater = getMenuInflater();
  inflater.inflate(R.menu.example_menu, menu);
  return true;
}
</pre>
</dd> <!-- end example -->


</dl>