Android ขอคำแนะนำการใช้ VideoView เวลากดปุ่มไปหน้าถัดไปแล้ว อยากให้แสดงวีดีโอในส่วนของหน้าถัดไปเลย

final VideoView myVideoV = (VideoView)findViewById(R.id.videoView);

public class Main2Activity extends AppCompatActivity {
    ViewAnimator va;
  //  MediaPlayer myVideoV;
    final VideoView myVideoV = (VideoView)findViewById(R.id.videoView);

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);

        va = (ViewAnimator) findViewById(R.id.viewAnimator);

        final Animation in = AnimationUtils.loadAnimation(this,
                android.R.anim.fade_in);
        final Animation out = AnimationUtils.loadAnimation(this,
                android.R.anim.fade_in);


        final Button btn1 = (Button) findViewById(R.id.button2);
        btn1.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                va.setInAnimation(in);
                va.showPrevious();

            }
        });

        Button btn2 = (Button) findViewById(R.id.button3);
        btn2.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                va.setInAnimation(out);
                va.showNext();

            }
        });

button();

    }   //end onCreate


            public void button() {


        Button btn1 = (Button)findViewById(R.id.button);
        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //final VideoView myVideoV = (VideoView)findViewById(R.id.videoView);
                myVideoV.setVideoURI(Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.a1));
                myVideoV.setMediaController(new android.widget.MediaController(Main2Activity.this));
                myVideoV.requestFocus();
                myVideoV.start();


            }
        });

        Button btn2 = (Button)findViewById(R.id.button4);
        btn2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
              //  final VideoView myVideoV = (VideoView) findViewById(R.id.videoView1);
                myVideoV.setVideoURI(Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.f1));
                myVideoV.setMediaController(new android.widget.MediaController(Main2Activity.this));
                myVideoV.requestFocus();
                myVideoV.start();

            }
        });

            }
}

<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.nipon.app.testvdio.Main2Activity">

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_centerHorizontal="true"
        android:layout_alignParentTop="true"
        android:weightSum="1">

        <ViewAnimator
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/viewAnimator"
            android:layout_gravity="center_horizontal"
            android:layout_weight="0.94" >


            <LinearLayout
                android:orientation="vertical"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:weightSum="1">

                <LinearLayout
                    android:orientation="vertical"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center_horizontal">

                    <VideoView
                        android:layout_width="match_parent"
                        android:layout_height="332dp"
                        android:id="@+id/videoView" />
                </LinearLayout>

                <Button
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="Play"
                    android:id="@+id/button"
                    android:layout_gravity="center_horizontal" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="หน้า1"
                    android:id="@+id/textView"
                    android:textSize="30dp"
                    android:layout_gravity="center_horizontal" />
            </LinearLayout>
            //-------------------------------
            <LinearLayout
                android:orientation="vertical"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:weightSum="1">

                <LinearLayout
                    android:orientation="vertical"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center_horizontal">

                    <VideoView
                        android:layout_width="match_parent"
                        android:layout_height="332dp"
                        android:id="@+id/videoView1" />
                </LinearLayout>

                <Button
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="Play"
                    android:id="@+id/button4"
                    android:layout_gravity="center_horizontal" />
                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="หน้า2"
                    android:id="@+id/textView1"
                    android:textSize="30dp"
                    android:layout_gravity="center_horizontal" />
            </LinearLayout>
            //-------------------------------

        </ViewAnimator>

        <LinearLayout
            android:orientation="horizontal"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal">

            <Button
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="&lt;&lt;"
                android:id="@+id/button2" />

            <Button
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text=">>"
                android:id="@+id/button3" />
        </LinearLayout>
    </LinearLayout>
</RelativeLayout>