res/layout/app_preference_item.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
** Copyright 2013, 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.
*/
-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:minHeight="?android:attr/listPreferredItemHeight"
    android:padding="6dip">
    <ImageView
        android:id="@android:id/icon"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:adjustViewBounds="true"
        android:padding="6dip"
        android:duplicateParentState="true"
        />
    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:duplicateParentState="true"
        android:orientation="vertical">
        <TextView
            android:id="@android:id/title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:textColor="?android:attr/textColorAlertDialogListItem"
            android:gravity="center_vertical"
            android:paddingEnd="7dip"
            android:ellipsize="marquee"
            android:duplicateParentState="true"
            />
        <TextView
            android:id="@android:id/summary"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceSmall"
            android:gravity="center_vertical"
            android:paddingEnd="7dip"
            android:ellipsize="marquee"
            android:visibility="gone"
            android:duplicateParentState="true"
            />
    </LinearLayout>
    <TextView
        android:id="@+id/default_label"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceSmall"
        android:layout_gravity="center_vertical"
        android:text="@string/default_app"
        android:visibility="gone"
        android:paddingEnd="7dip"
        android:duplicateParentState="true"
        />
    <TextView
        android:id="@+id/system_label"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceSmall"
        android:layout_gravity="center_vertical"
        android:text="@string/system_app"
        android:visibility="gone"
        android:paddingEnd="7dip"
        android:duplicateParentState="true"
        />
    <TextView
        android:id="@+id/system_default_label"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceSmall"
        android:layout_gravity="center_vertical"
        android:text="@string/system_default_app"
        android:visibility="gone"
        android:paddingEnd="7dip"
        android:duplicateParentState="true"
        />
</LinearLayout>