在eclipse使用videoview控件达成播放视频的效果时候，视频显示can't play the video,新手求助，急！

Question

package com.example.admin.myapplication; import android.os.Environment; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.MediaController; import android.widget.VideoView; public class MainActivity extends AppCompatActivity {     private VideoView video;     MediaController mediaController;     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         video= (VideoView) findViewById(R.id.videoView);         mediaController = new MediaController(this);         String path= Environment.getExternalStorageDirectory().getAbsolutePath()                 +"/Free Loop";                 video.setVideoPath(path);         video.setMediaController(mediaController);         mediaController.setMediaPlayer(video);     } }