gate_opener.xml layout for Android Gate Opener

gate_opener.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="@dimen/widget_margin"
    android:background="#c0c0c0" >

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Open Gate"
        android:id="@+id/btnOpen"
        android:layout_alignParentStart="true"
        android:layout_alignParentTop="false"
        android:minWidth="300dp"
        android:minHeight="72dp" />
</RelativeLayout>