data/res/layout/recent_apps_dialog.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
** Copyright 2008, 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.
*/
-->

<com.android.internal.policy.impl.RecentApplicationsBackground
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:background="@drawable/recent_dialog_background"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:padding="4dip"
    android:orientation="vertical">

    <!-- Title -->
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="40dip"
        android:gravity="center"
        android:textAppearance="?android:attr/textAppearanceSmall"
        android:textColor="#80FFFFFF"
        android:textStyle="bold"
        android:singleLine="true"
        android:text="@android:string/recent_tasks_title" />

    <!-- This is only intended to be visible when all buttons (below) are invisible -->
    <TextView
        android:id="@+id/no_applications_message"
        android:layout_width="320dip"
        android:layout_height="80dip"
        android:gravity="center"
        android:textAppearance="?android:attr/textAppearanceSmall"
        android:text="@android:string/no_recent_tasks" />

    <!-- The first row has a fixed-width because the UI spec requires the box
         to display with full-width no matter how many icons are visible, but to
         adjust height based on number of rows. -->
    <!-- TODO Adjust all sizes, padding, etc. to meet pixel-perfect specs -->
    <LinearLayout
        android:layout_width="320dip"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        >

        <include
            layout="@android:layout/recent_apps_icon"
            android:id="@+id/button0" />

        <include
            layout="@android:layout/recent_apps_icon"
            android:id="@+id/button1" />

        <include
            layout="@android:layout/recent_apps_icon"
            android:id="@+id/button2" />

        <include
            layout="@android:layout/recent_apps_icon"
            android:id="@+id/button3" />

    </LinearLayout>

    <LinearLayout
        android:layout_width="320dp"
        android:layout_height="wrap_content"
        android:orientation="horizontal" >

        <include
            layout="@android:layout/recent_apps_icon"
            android:id="@+id/button4" />

        <include
            layout="@android:layout/recent_apps_icon"
            android:id="@+id/button5" />

        <include
            layout="@android:layout/recent_apps_icon"
            android:id="@+id/button6" />

        <include
            layout="@android:layout/recent_apps_icon"
            android:id="@+id/button7" />

    </LinearLayout>

    <!-- spacer to balance out the title above -->
    <FrameLayout
        android:layout_height="40dip"
        android:layout_width="match_parent"
        />
</com.android.internal.policy.impl.RecentApplicationsBackground>