android-upload.java

	public byte[] readFully(InputStream in) throws IOException {
		ByteArrayOutputStream out = new ByteArrayOutputStream();
		byte[] buffer = new byte[1024]; //you can configure the buffer size
		while (true) {
			int r = in.read(buffer);
			if (r == -1) break;
			out.write(buffer, 0, r);
		}

		return out.toByteArray();
	}

	public byte[] upload(MultipartEntity me) throws IOException {
		String uploadUrl = "http://up.qiniu.com/";
		URL url = new URL(uploadUrl);
		HttpURLConnection c  = (HttpURLConnection) url.openConnection();
		c.setRequestMethod("POST");
		c.setRequestProperty("Content-Type", me.getContentType().getValue());
		c.setDoInput(true);
		c.setDoOutput(true);
		c.connect();
		me.writeTo(c.getOutputStream());
		int code = c.getResponseCode();
		if (code == 200) {
			return readFully(c.getInputStream());
		}
		throw new IOException(new String(readFully(c.getErrorStream())));
	}

	public MultipartEntity makeMultipart(Context mContext, String token, Uri uri) throws FileNotFoundException {
		MultipartEntity me = new MultipartEntity();
		me.addField("token", token);
		InputStreamAt in = InputStreamAt.fromInputStream(mContext, mContext.getContentResolver().openInputStream(uri));
		me.addFile("file", "application/octet-stream", "filename", in);
		return me;
	}

	public void main() {
		String token = "<token>";
		Uri uri = Uri.parse("content://media/external/images/media/99");
		try {
			byte[] ret = upload(makeMultipart(this, token, uri));
			// print new String(ret)
		} catch (FileNotFoundException e) {
			e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
		} catch (IOException e) {
			e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
		}
	}