<?xml version=\"1.0\" encoding=\"utf-8\"?>
<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=\"app.com.myapplication.LocalVideoActivity\">

  <RelativeLayout
    android:layout_width=\"match_parent\"
    android:layout_height=\"200dp\">

    <VideoView
      android:id=\"@+id/videoView\"
      android:layout_width=\"match_parent\"
      android:layout_height=\"match_parent\"
      />

  </RelativeLayout>


</RelativeLayout>

package app.com.myapplication;

import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.widget.MediaController;
import android.widget.Toast;
import android.widget.VideoView;

public class LocalVideoActivity extends AppCompatActivity {

  private VideoView videoView ;

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

    //本地的视频 需要在手机SD卡根目录添加一个 fl1234.mp4 视频
    String videoUrl1 = Environment.getExternalStorageDirectory().getPath()+\"/fl1234.mp4\" ;

    //网络视频
    String videoUrl2 = Utils.videoUrl ;

    Uri uri = Uri.parse( videoUrl2 );

    videoView = (VideoView)this.findViewById(R.id.videoView );

    //设置视频控制器
    videoView.setMediaController(new MediaController(this));

    //播放完成回调
    videoView.setOnCompletionListener( new MyPlayerOnCompletionListener());

    //设置视频路径
    videoView.setVideoURI(uri);

    //开始播放视频
    videoView.start();
  }

  class MyPlayerOnCompletionListener implements MediaPlayer.OnCompletionListener {

    @Override
    public void onCompletion(MediaPlayer mp) {
      Toast.makeText( LocalVideoActivity.this, \"播放完成了\", Toast.LENGTH_SHORT).show();
    }
  }
}

package app.com.myapplication;

/**
 * Created by ${zyj} on 2016/4/19.
 */
public class Utils {

  public static final String videoUrl = \"http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4\" ;

}