视频播放以及横竖屏切换保存播放状态

//布局
<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"
    tools:context=".MainActivity" >
<VideoView 
    android:id="@+id/vv"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    />

</RelativeLayout>

//代码块
package com.baidu.ceshi;
import android.os.Bundle;
import android.os.Environment;
import android.app.Activity;

import android.widget.MediaController;
import android.widget.Toast;
import android.widget.VideoView;

public class MainActivity extends Activity {

    private VideoView vv;

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

        vv = (VideoView) findViewById(R.id.vv);
        String path=Environment.getExternalStorageDirectory().getPath();
        System.out.println(path);
        //设置视频路径
        vv.setVideoPath(path+"/xiao.3gp");
        //设置控制器
        MediaController controller=new MediaController(MainActivity.this);
        vv.setMediaController(controller);
        controller.setMediaPlayer(vv);
        vv.start();
         //将保存的数据给VideoView
        /*if(savedInstanceState!=null){
            int time = savedInstanceState.getInt("time");
            vv.seekTo(time);
        }*/
    }

    @Override
    protected void onRestoreInstanceState(Bundle outState) {
        //从outState中取出数据
        int sec = (int) outState.getLong("time");
        //将保存的数据给VideoView
        vv.seekTo(sec);
        super.onRestoreInstanceState(outState);
        }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
            int sec = vv.getCurrentPosition();
            //保存当前视频播放的进度，保存到outState
        outState.putLong("time", sec);
        super.onSaveInstanceState(outState);
        }

    @Override
    protected void onDestroy(){
        Toast.makeText(MainActivity.this, "onDestroy已执行！", 0).show();
        super.onDestroy();
    }

}

//配置权限
 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>