activity_introduction__cont.xml

<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:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    tools:context="net.androidbootcamp.hotfoot.Introduction_Cont"
    android:background="#5C5C5C">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/txtTitleSprint"
        android:id="@+id/txtTitleSprint"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:textColor="#FFFFFF"
        android:textSize="27sp"
        android:layout_marginTop="100sp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/txtWhatIsSprint"
        android:id="@+id/txtWhatIsSprint"
        android:layout_below="@+id/txtTitleSprint"
        android:layout_centerHorizontal="true"
        android:textColor="#ffffffff"
        android:gravity="center"
        android:layout_marginTop="20sp" />

    <Button
        android:layout_width="150dp"
        android:layout_height="wrap_content"
        android:text="@string/btnContinue"
        android:id="@+id/btnContinue2"
        android:textSize="24sp"
        android:textColor="#FFFFFF"
        android:background="#B35243"
        android:layout_below="@+id/txtWhatIsSprint"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="30sp" />
</RelativeLayout>