rosjava/android_tutorial_teleop/res/menu/settings_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
  <item
      android:id="@+id/virtual_joystick_properties"
      android:title="Virtual joystick">
    <menu>
      <group
          android:checkableBehavior="all">
        <item
            android:id="@+id/virtual_joystick_snap"
            android:title="Auto snapping" />
      </group>
    </menu>
  </item>
</menu>