网络获取视频

布局：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.administrator.zhoukao03.MainActivity">

    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">

        <Button
            android:id="@+id/play_btn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="播放"/>

        <Button
            android:id="@+id/stop_btn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="暂停/播放"/>


    </LinearLayout>

    <com.example.administrator.zhoukao03.MySurfaceView
        android:id="@+id/surfaceview"
        android:layout_width="match_parent"
        android:layout_height="200dp" />

    <Button
        android:id="@+id/sd_btn1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="1倍"/>
    <Button
        android:id="@+id/sd_btn2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="2倍"/>
    <Button
        android:id="@+id/sd_btn3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="3倍"/>

</LinearLayout>

Activity:

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    private String url = "http://baobab.kaiyanapp.com/api/v1/playUrl?vid=61069&editionType=low&source=ucloud";
    private Button play_btn;
    private Button stop_btn;
    private MySurfaceView surfaceview;
    private Button sd_btn1;
    private Button sd_btn2;
    private Button sd_btn3;

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

    private void initView() {
        play_btn = (Button) findViewById(R.id.play_btn);
        stop_btn = (Button) findViewById(R.id.stop_btn);
        surfaceview = (MySurfaceView) findViewById(R.id.surfaceview);

        //设置分辨率
        surfaceview.setPivotY(320);
        surfaceview.setPivotX(320);


        play_btn.setOnClickListener(this);
        stop_btn.setOnClickListener(this);
        sd_btn1 = (Button) findViewById(R.id.sd_btn1);
        sd_btn1.setOnClickListener(this);
        sd_btn2 = (Button) findViewById(R.id.sd_btn2);
        sd_btn2.setOnClickListener(this);
        sd_btn3 = (Button) findViewById(R.id.sd_btn3);
        sd_btn3.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.play_btn:
                //点击播放按钮
                surfaceview.playVideo(url);

                break;
            case R.id.stop_btn:
                surfaceview.stopVideo();

                break;

            case R.id.sd_btn1:
                surfaceview.setprogress(100);


                break;
            case R.id.sd_btn2:
                surfaceview.setprogress(200);



                break;
            case R.id.sd_btn3:
                surfaceview.setprogress(300);


                break;
        }
    }
}

MySurfaceView类：

public class MySurfaceView extends SurfaceView implements SurfaceHolder.Callback, MediaPlayer.OnCompletionListener {

    private SurfaceHolder holder;
    private MediaPlayer mediaPlayer;

    public MySurfaceView(Context context, AttributeSet attrs) {
        super(context, attrs);


        init();
    }

    //快进
    public void setprogress(int progress){
        int currentPosition = mediaPlayer.getCurrentPosition();
        mediaPlayer.seekTo(currentPosition+progress);
        Toast.makeText(getContext(),"快进"+progress,Toast.LENGTH_SHORT).show();
    }

    //暂停/播放方法
    public void stopVideo(){
        if (mediaPlayer.isPlaying()){
            mediaPlayer.pause();
        }else {
            mediaPlayer.start();
        }
    }



    //播放视频方法
    public void playVideo(String path){
        if (mediaPlayer==null){
            mediaPlayer=new MediaPlayer();
            //设置surfaceview不维护自己的缓冲区，而是等待屏幕的渲染引擎将内容推送到用户面前
            mediaPlayer.setOnCompletionListener(this);
        }

        try {
            mediaPlayer.reset();
            mediaPlayer.setDataSource(path);
            mediaPlayer.setDisplay(holder);
            mediaPlayer.prepareAsync();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private void init() {
        holder=this.getHolder();

        //重写SurfaceHolder.Callback方法
        holder.addCallback(this);
    }

    @Override
    public void surfaceCreated(SurfaceHolder surfaceHolder) {

    }

    @Override
    public void surfaceChanged(SurfaceHolder surfaceHolder, int i, int i1, int i2) {

    }

    @Override
    public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
        if (mediaPlayer!=null){
            mediaPlayer.release();
            mediaPlayer=null;
        }

    }


    //缓冲完成播放
    @Override
    public void onCompletion(MediaPlayer mediaPlayer) {
        mediaPlayer.start();
    }
}

权限：

  <uses-permission android:name="android.permission.INTERNET">

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