<?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="match_parent">

    <TextView
        android:id="@+id/letterView"
        android:layout_width="60dp"
        android:layout_height="60dp"
        android:layout_centerInParent="true"
        android:background="@drawable/bg_popup_center_text"
        android:gravity="center"
        android:text="O"
        android:textColor="@color/white"
        android:textSize="30sp" />
</RelativeLayout>