Yes it is url encode on the server side.
Here is a part of my code: ArrayList<String> picdata = new ArrayList<String>(); picdata.add((URLDecoder.decode(e.getString("picdata"),"UTF-8"))); InputStream stream = new ByteArrayInputStream(picdata.get(0).getBytes("UTF-8")); GZIPInputStream ex = new GZIPInputStream(stream); The message is unknown format when GZIP. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en