thunderbird-android/res/menu/message_list_option.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
   <item
        android:id="@+id/compose"
        android:alphabeticShortcut="c"
        android:title="@string/compose_action"
        android:icon="@drawable/ic_menu_compose"
    />
    <item
        android:id="@+id/set_sort"
        android:title="@string/sort_by"
        android:icon="@drawable/ic_menu_set_sort">
        <menu>
            <item
                android:id="@+id/set_sort_date"
                android:title="@string/sort_by_date"
            />
            <item
                android:id="@+id/set_sort_subject"
                android:title="@string/sort_by_subject"
            />
            <item
                android:id="@+id/set_sort_sender"
                android:title="@string/sort_by_sender"
            />
            <item
                android:id="@+id/set_sort_flag"
                android:title="@string/sort_by_flag"
            />
            <item
                android:id="@+id/set_sort_unread"
                android:title="@string/sort_by_unread"
            />
            <item
                android:id="@+id/set_sort_attach"
                android:title="@string/sort_by_attach"
            />
        </menu>
    </item>
    <item
        android:id="@+id/select_all"
        android:title="@string/batch_select_all"
        android:icon="@drawable/ic_menu_select_all"/>
    <item
        android:id="@+id/batch_ops"
        android:title="@string/batch_ops"
        android:icon="@drawable/ic_menu_batch">
        <menu>
            <item
                android:id="@+id/batch_flag_mode"
                android:title="@string/batch_flag_mode"
                android:visible="false"
            />
            <item
                android:id="@+id/batch_plain_mode"
                android:title="@string/batch_plain_mode"
                android:visible="false"
            />
            <item
                android:id="@+id/batch_delete_op"
                android:title="@string/batch_delete_op"
            />
            <item
                android:id="@+id/batch_mark_read_op"
                android:title="@string/batch_mark_read_op"
            />
            <item
                android:id="@+id/batch_flag_op"
                android:title="@string/batch_flag_op"
            />
            <item
                android:id="@+id/batch_mark_unread_op"
                android:title="@string/batch_mark_unread_op"
            />
            <item
                android:id="@+id/batch_unflag_op"
                android:title="@string/batch_unflag_op"
            />
            <item
                android:id="@+id/batch_archive_op"
                android:title="@string/batch_archive_op"
            />
            <item
                android:id="@+id/batch_spam_op"
                android:title="@string/batch_spam_op"
            />
            <item
                android:id="@+id/batch_move_op"
                android:title="@string/batch_move_op"
            />
            <item
                android:id="@+id/batch_copy_op"
                android:title="@string/batch_copy_op"
            />
            <item
                android:id="@+id/batch_select_all"
                android:title="@string/batch_select_all"
            />
            <item
                android:id="@+id/batch_deselect_all"
                android:title="@string/batch_deselect_all"
            />
        </menu>
    </item>
    <item
        android:id="@+id/list_folders"
        android:alphabeticShortcut="f"
        android:title="@string/list_folders_action"
        android:icon="@drawable/ic_menu_navigate"
    />
    <item
        android:id="@+id/send_messages"
        android:alphabeticShortcut="r"
        android:title="@string/send_messages_action"
        android:icon="@drawable/ic_menu_refresh"
    />
    <item
        android:id="@+id/check_mail"
        android:alphabeticShortcut="r"
        android:title="@string/check_mail_action"
        android:icon="@drawable/ic_menu_refresh"
    />
    <item
                android:id="@+id/accounts"
                android:title="@string/accounts_action"
                android:icon="@drawable/ic_menu_account_list"
        />
    <item
        android:id="@+id/mark_all_as_read"
        android:title="@string/mark_all_as_read_action"
        android:icon="@drawable/ic_menu_inbox"
    />
    <item
        android:id="@+id/settings"
        android:title="@string/preferences_action"
        android:icon="@drawable/ic_menu_preferences">
        <menu>

    <item
        android:id="@+id/folder_settings"
        android:title="@string/folder_settings_action"
        android:icon="@drawable/ic_menu_preferences"
    />
    <item
        android:id="@+id/account_settings"
        android:title="@string/account_settings_action"
        android:icon="@android:drawable/ic_menu_preferences"
    />
    <item android:id="@+id/app_settings"
        android:title="@string/preferences_action"
        android:icon="@android:drawable/ic_menu_preferences"
    />
    </menu>
    </item>
    <item
        android:id="@+id/expunge"
        android:title="@string/expunge_action"
    />
</menu>