<?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">

    <FrameLayout
        android:id="@+id/broadcastFrame"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentBottom="true" />

    <FrameLayout
        android:id="@+id/chatFrame"
        android:layout_width="match_parent"
        android:layout_height="400dp"
        android:layout_alignParentLeft="true"
        android:layout_alignParentBottom="true"
        android:layout_marginRight="70dp" />

</RelativeLayout>