gistfile1.txt

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
    <VideoView
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:id="@+id/videoView"
        android:layout_gravity="center" />
</LinearLayout>


public class MainActivity extends AppCompatActivity {
    private VideoView videoView;
    private MediaController mediaController;
    private int position = 0;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        videoView = (VideoView) findViewById(R.id.videoView);
       
        if (mediaController == null) {
            mediaController = new MediaController(MainActivity.this);
            mediaController.setAnchorView(videoView);
            videoView.setMediaController(mediaController);
        }

        try {
          
            File mainDir = new File(Environment.getExternalStorageDirectory(), "/recWed_Aug_30_12_18_35_GMT+05_00_2017.mp4");
            String url = mainDir.toString();
            Log.d(MainActivity.class.getName(),"Uri.parse(url):"+url);
            videoView.setVideoPath(url);

        } catch (Exception e) {
            Log.e("Error", e.getMessage());
            e.printStackTrace();
        }

        videoView.requestFocus();
        videoView.start();

        videoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {

            public void onPrepared(MediaPlayer mediaPlayer) {

                videoView.seekTo(position);
                if (position == 0) {
                    videoView.start();
                }
                
                mediaPlayer.setOnVideoSizeChangedListener(new MediaPlayer.OnVideoSizeChangedListener() {
                    @Override
                    public void onVideoSizeChanged(MediaPlayer mp, int width, int height) {
                        mediaController.setAnchorView(videoView);
                    }
                });
            }
        });
    }
}