com.ming.myapplication;

android.media.MediaPlayer;
android.os.Environment;
android.support.v7.app.AppCompatActivity;
android.os.Bundle;
android.view.WindowManager;
android.widget.MediaController;
android.widget.Toast;
android.widget.VideoView;

java.io.File;

MainActivity AppCompatActivity {

    onCreate(Bundle savedInstanceState) {
        .(savedInstanceState);
        setContentView(R.layout.);
        getWindow().setFlags(WindowManager.LayoutParams.,
                WindowManager.LayoutParams.);
        VideoView video=(VideoView) findViewById(R.id.);
        File file=File(Environment.()+);
        (file.exists()){

            video.setVideoPath(file.getAbsolutePath());
        }{

            Toast.(MainActivity.,,Toast.).show();
        }
        android.widget.MediaController mc=android.widget.MediaController(MainActivity.);
        video.setMediaController(mc);
        video.requestFocus();
        video.start();
        video.setOnCompletionListener(MediaPlayer.OnCompletionListener(){
            onCompletion(MediaPlayer pg){
                Toast.(MainActivity.,,Toast.).show();


            }
        });


    }
}