Android Connect SDK：共享本地映像

我使用mediaURL“www.example.com/image.jpg”将图像共享到电视中

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如何从设备共享我的本地映像？

我的问题的解决方案是Web服务器。我用过图书馆

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这似乎包含在感谢快速响应中，我阅读了常见问题，但没有看到它。我考虑过这个解决方案，但希望有另一个解决我的问题的方法

public class WebServer extends NanoHTTPD {

    private int port;

    public WebServer(int port) {
        super(port);
        this.port = port;
    }

    @Override
    public Response serve(IHTTPSession session) {
        Method method = session.getMethod();
        switch (method) {
            case GET:
                String path = session.getUri().replace(Utils.getIPAddress(true) + ":" + port, "");

                //TODO refactoring
                String type = FilenameUtils.getExtension(path);
                String filePath = Environment.getExternalStorageDirectory() + path;
                String contentType = "";
                if (type.equals("jpg") || type.equals("jpeg") || type.equals("png") || type.equals("gif") || type.equals("tiff"))
                    contentType = "image/" + type;
                else
                    return new Response(Response.Status.BAD_REQUEST, NanoHTTPD.MIME_PLAINTEXT, "HTTPError: HTTP 8: BAD REQUEST");

                if (fileInputStream != null)
                    fileInputStream.close();
                try {
                    fileInputStream = new FileInputStream(filePath);
                } catch (FileNotFoundException e) {
                    new Response(Response.Status.BAD_REQUEST, NanoHTTPD.MIME_PLAINTEXT, "HTTPError: HTTP 8: BAD REQUEST");
                }
                return new Response(Response.Status.OK, contentType, fileInputStream);

            default:
                return new Response(Response.Status.METHOD_NOT_ALLOWED, NanoHTTPD.MIME_PLAINTEXT, "HTTPError: HTTP 405: Method Not Allowed");
        }
    }
}