Media Android

package app.test;
import java.io.IOException;
import android.app.Activity;
import android.content.pm.ActivityInfo;
import android.media.CamcorderProfile;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.View.OnClickListener;
public class Test extends Activity implements OnClickListener,
    SurfaceHolder.Callback {
  MediaRecorder recorder;
  SurfaceHolder holder;
  boolean recording = false;
  public static final String TAG = "VIDEOCAPTURE";
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
        WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
    recorder = new MediaRecorder();
    initRecorder();
    setContentView(R.layout.main);
    SurfaceView cameraView = (SurfaceView) findViewById(R.id.CameraView);
    holder = cameraView.getHolder();
    holder.addCallback(this);
    holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    cameraView.setClickable(true);
    cameraView.setOnClickListener(this);
  }
  private void initRecorder() {
    recorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
    recorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
    CamcorderProfile cpHigh = CamcorderProfile
        .get(CamcorderProfile.QUALITY_HIGH);
    recorder.setProfile(cpHigh);
    recorder.setOutputFile("/sdcard/videocapture.mp4");
    recorder.setMaxDuration(50000); // 50 seconds
    recorder.setMaxFileSize(5000000); // Approximately 5 megabytes
  }
  private void prepareRecorder() {
    recorder.setPreviewDisplay(holder.getSurface());
    try {
      recorder.prepare();
    } catch (IllegalStateException e) {
      e.printStackTrace();
      finish();
    } catch (IOException e) {
      e.printStackTrace();
      finish();
    }
  }
  public void onClick(View v) {
    if (recording) {
      recorder.stop();
      recorder.release();
      recording = false;
      Log.v(TAG, "Recording Stopped");
      initRecorder();
      prepareRecorder();
    } else {
      recording = true;
      recorder.start();
    }
  }
  public void surfaceCreated(SurfaceHolder holder) {
    prepareRecorder();
  }
  public void surfaceChanged(SurfaceHolder holder, int format, int width,
      int height) {
  }
  public void surfaceDestroyed(SurfaceHolder holder) {
    if (recording) {
      recorder.stop();
      recording = false;
    }
    recorder.release();
    finish();
  }
}
//main.xml

    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >