public class APP extends Application {
  private static VideoCacheServer videoCacheServer;

  @Override
  public void onCreate() {
    super.onCreate();

    if (videoCacheServer == null) {
      // 緩存路徑
      String cachePath = getCacheDir().getAbsolutePath();
      // 緩存大小 1024 * 1024 * 500
      videoCacheServer = new VideoCacheServer(cachePath, 1024 * 1024 * 500);
    }
  }

  public static VideoCacheServer getVideoProxyServer() {
    return videoCacheServer;
  }

}

String proxyUrl = APP.getVideoProxyServer().getLocalProxyUrl("https://sina.com-h-sina.com/20181024/21342_8f737b71/1000k/hls/index.m3u8");
 videoView.setVideoPath(proxyUrl);

public class VideoCacheServer{

 private ExecutorService pool = Executors.newFixedThreadPool(20);
 
 public int start() {
    if (isRunning) {
      return curPort;
    }
    curPort = new Random().nextInt(65535);
    try {
      final ServerSocket server = new ServerSocket(curPort);
      isRunning = true;
      singleService.submit(new Runnable() {
        @Override
        public void run() {
          while (isRunning) {
            try {
              Socket connection = server.accept();
              connection.setKeepAlive(true);
              pool.submit(new ProxyHandler(connection));
            } catch (IOException ex) {
              if (Constant.enableLog) {
                logger.log(Level.WARNING, "Exception accepting connection", ex);
              }
            } catch (Exception ex) {
              if (Constant.enableLog) {
                logger.log(Level.SEVERE, "Unexpected error", ex);
              }
            }
          }
        }
      });
      return curPort;
    } catch (IOException e) {
      e.printStackTrace();
      return start();
    }
  }
}

 public class ProxyHandler implements Runnable {

    private Socket realClientSocket;

    ProxyHandler(Socket realClientSocket) {
      this.realClientSocket = realClientSocket;
    }

    @Override
    public void run() {
      try {
        BufferedOutputStream outputStream = new BufferedOutputStream(realClientSocket.getOutputStream());
        BufferedInputStream inputStream = new BufferedInputStream(realClientSocket.getInputStream());
        HttpRequest realRequest = HttpRequest.parse(inputStream);
        HttpResponse response = getResponseWithInterceptorChain(realRequest);
        writeResponseAndClose(response, outputStream);

      } catch (Exception e) {
        if (Constant.enableLog) {
          logger.log(Level.SEVERE, "error proxy ", e);
        }
      } finally {
        CloseUtil.close(realClientSocket);
      }
    }

    private HttpResponse getResponseWithInterceptorChain(HttpRequest realRequest) {
      List<Interceptor> interceptors = new ArrayList<>();
      interceptors.add(new VideoTypeInterceptor());
      interceptors.add(new HostFilterInterceptor(curPort));
      interceptors.add(new CacheInterceptor(diskCache));
      interceptors.add(new ConnectInterceptor());
      InterceptorChain interceptorChain = new InterceptorChain(interceptors, realRequest, 0);
      return interceptorChain.proceed(realRequest);
    }
}