主要代码
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;
}
}
}
自定义SurfaceView
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();
}
}