Lets try this code :
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.meetingpointlocator_03" >
<Button
android:id="@+id/introButtonID"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_gravity="center"
android:text="@string/introButtonText" />
<TextView
android:id="@+id/introScreenTitleID"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="27dp"
android:gravity="top|center" android:textColor="@color/introScreenTitleColor"
android:text="@string/introscreentitle"
android:textSize="@dimen/introScreentitle" />
<TextView
android:id="@+id/introScreenContentID"
android:layout_width="fill_parent"
android:layout_height="match_parent"
android:layout_above="@+id/introButtonID"
android:layout_alignParentLeft="true"
android:layout_below="@+id/introScreenTitleID" android:textColor="@color/introScreenContentscolor" android:textSize="@dimen/introScreenContentFontSize"
android:text="Some Text" />
</RelativeLayout>
OUTPUT is