import io.vov.vitamio.LibsChecker;import io.vov.vitamio.MediaPlayer;import io.vov.vitamio.MediaPlayer.OnPreparedListener;import io.vov.vitamio.widget.MediaController;import io.vov.vitamio.widget.VideoView;import android.os.Bundle;import android.app.Activity;public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        // [1]插件vitamio框架检查是否可用        if (!LibsChecker.checkVitamioLibs(this)) {            return;        }        final VideoView vv = (VideoView) findViewById(R.id.vv);        // 设置播放的路径        vv.setVideoPath("http://192.168.13.89:8080/aa.avi");        vv.setOnPreparedListener(new OnPreparedListener() {            @Override            public void onPrepared(MediaPlayer mp) {                vv.start();            }        });        // 设置video的控制器 设置一个进度条        vv.setMediaController(new MediaController(this));    }}