<FrameLayout 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"
    tools:context=".VideoPlayActivity" >

    <VideoView
        android:id="@+id/video_view_1"
        android:layout_width="match_parent"
        android:layout_height="120dp"
        android:visibility="gone"
        android:layout_gravity="top"/>

    <VideoView
        android:id="@+id/video_view_2"
        android:layout_width="match_parent"
        android:layout_height="120dp"
        android:visibility="gone"
        android:layout_gravity="center"/>

    <VideoView
        android:id="@+id/video_view_3"
        android:layout_width="match_parent"
        android:layout_height="120dp"
        android:visibility="gone"
        android:layout_gravity="bottom"/>

</FrameLayout>