hostage/res/layout/fragment_profile_manager.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:id="@+id/profile_manager_root_view">

    <ListView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/profile_manager_listview"
        android:choiceMode="singleChoice"
        android:background="#F2F2F2"
        android:dividerHeight="10dp"
        android:divider="@android:color/transparent"
        android:padding="5dp"
        android:layout_alignParentLeft="true"
        android:layout_marginLeft="0dp"
        android:layout_alignParentTop="true"
        android:layout_marginTop="0dp" />

    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        style="@android:style/Widget.Holo.Light.ActionBar.Solid.Inverse"
        android:alpha="0.8">

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="New Button"
            android:id="@+id/button"
            android:layout_gravity="center_vertical"
            style="@android:style/Widget.DeviceDefault.ActionButton.Overflow"
            android:textColor="@android:color/primary_text_dark" />
    </LinearLayout>

</RelativeLayout>