<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:gravity="center"
android:orientation="vertical">
<LinearLayout
android:background="#fff"
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_alignParentBottom="true">
</LinearLayout>
</RelativeLayout>