网络图片url转为bitmap

private Bitmap decodeUriAsBitmapFromNet(String url) {

   URL fileUrl = null;

   Bitmap bitmap = null;

   try {

      fileUrl = new URL(url);

   } catch (MalformedURLException e) {

      e.printStackTrace();

   }

   try {

      HttpURLConnection conn = (HttpURLConnection) fileUrl

            .openConnection();

      conn.setDoInput(true);

      conn.connect();

      InputStream is = conn.getInputStream();

      bitmap = BitmapFactory.decodeStream(is);

      is.close();

   } catch (IOException e) {

      e.printStackTrace();

   }

   return bitmap;

}