<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >

    <VideoView
        android:id="@+id/videoView1"
        android:layout_width="250dip"
        android:layout_height="250dip"
         android:layout_centerHoriz
        android:layout_centerVertical="true" />

</RelativeLayout>

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