Android播放视频(三)

package cn.c;
import java.io.File;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.widget.Button;
import android.widget.MediaController;
import android.widget.VideoView;
//利用VideoView播放视频
//当点击屏幕的时候在显示和隐藏间切换
public class MainActivity extends Activity {
    private Button mButton;
    private VideoView mVideoView;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        mVideoView=(VideoView) findViewById(R.id.videoView);
        mButton=(Button) findViewById(R.id.button);
        mButton.setOnClickListener(new View.OnClickListener() {
			public void onClick(View v) {
				Uri uri=Uri.parse
				(Environment.getExternalStorageDirectory().getPath()+File.separator+"Test_Movie.m4v");
			    mVideoView.setVideoURI(uri);
			    mVideoView.setMediaController(new MediaController(MainActivity.this));
			    mVideoView.start();
			}
		});
    }
}