将一个图片的url地址转换为一个bitmap图片

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URL url = new URL(path);
      HttpURLConnection conn = (HttpURLConnection) url.openConnection();
      conn.setConnectTimeout(5000);
      int max = conn.getContentLength();
      InputStream is = conn.getInputStream();
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      byte[] buffer = new byte[1024];
      int len;
 
      while ((len = is.read(buffer)) != -1) {
        baos.write(buffer, 0, len);
      }
      byte[] result = baos.toByteArray();
      return BitmapFactory.decodeByteArray(result, 0, result.length);
    } catch (Exception e) {
      e.printStackTrace();
      return null;
    }