hostage/res/layout/simple_popup_item.xml

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

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:padding="2dp"
    android:gravity="top|center"
    android:baselineAligned="false">

    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/dark_grey"
        android:padding="10dp">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceMedium"
        android:text="Title"
        android:id="@+id/title_text_view"
        android:textColor="#ffffff"
        android:layout_alignParentTop="true"
        android:layout_toLeftOf="@+id/isSelectedButton"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_alignBottom="@+id/isSelectedButton"
        android:textAlignment="textStart"
        android:textStyle="bold" />

    <RadioButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/isSelectedButton"
        android:layout_alignParentTop="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"
        android:clickable="false"
        android:checked="true"
        android:enabled="false"
        android:button="@drawable/rd_btn_off"
        />

    </RelativeLayout>
</RelativeLayout>