定义一个videoview 组件

<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:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">

    <VideoView

        android:id="@+id/videoView"

        android:layout_width="fill_parent"

        android:layout_height="fill_parent" />

</RelativeLayout>

调用VideoView 的如下两个方法来加载指定的视频

setVideoPath(String path);

setVideo(Url url);

最后调用VideoView的start(),stop(),pause()来控制视频播放

package xiaocool.net.videotest;import android.graphics.PixelFormat;import android.os.Environment;import android.support.v7.app.ActionBarActivity;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.widget.MediaController;import android.widget.VideoView;import java.io.File;public class MainActivity extends ActionBarActivity {    private VideoView videoView;    private MediaController mediaController;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        getWindow().setFormat(PixelFormat.TRANSLUCENT);        //VID20150324130132.mp4        videoView=(VideoView)this.findViewById(R.id.videoView);        //创建MediaController对象        mediaController=new MediaController(this);        String path = Environment.getExternalStorageDirectory() + "/";        String name = path + "VID20150324130132.mp4";        File video=new File(name);        if(video.exists()){            videoView.setVideoPath(video.getAbsolutePath());            videoView.setMediaController(mediaController);            mediaController.setMediaPlayer(videoView);            videoView.requestFocus();        }    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.menu_main, menu);        return true;    }    @Override    public boolean onOptionsItemSelected(MenuItem item) {        // Handle action bar item clicks here. The action bar will        // automatically handle clicks on the Home/Up button, so long        // as you specify a parent activity in AndroidManifest.xml.        int id = item.getItemId();        //noinspection SimplifiableIfStatement        if (id == R.id.action_settings) {            return true;        }        return super.onOptionsItemSelected(item);    }}