res/layout/installed_app_details.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.
*/
-->

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/all_details"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
    android:orientation="vertical">

    <!-- App snippet with buttons -->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:paddingTop="5dip"
        android:paddingBottom="10dip"
        android:orientation="vertical">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <FrameLayout
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1">
                <!-- Application snippet label, version and icon -->
                <include
                    layout="@layout/app_item"
                    android:id="@+id/app_snippet" />
            </FrameLayout>

            <ImageView
                android:id="@+id/gear"
                android:layout_width="48dp"
                android:layout_height="48dp"
                android:layout_gravity="center_vertical"
                android:padding="12dp"
                android:src="@drawable/ic_settings_24dp"
                android:tint="?android:attr/colorAccent"
                android:clickable="true"
                android:background="?android:attr/selectableItemBackground" />

        </LinearLayout>

        <Space
            android:layout_width="match_parent"
            android:layout_height="5dp" />

        <!-- Force stop and uninstall buttons -->
        <include
            layout="@layout/two_buttons_panel"
            android:id="@+id/control_buttons_panel"/>

    </LinearLayout>
</LinearLayout>