머라카노?

InputStream is                   = null;

BufferedInputStream bis      = null;

ByteArrayOutputStream out = null;

if( is == null ) {

  is = ( InputStream ) conn.getContent();

  if( is != null ) {

    bis = new BufferedInputStream( is, 8 * 1024 );

    out = new ByteArrayOutputStream();

    int total     = 0;

    byte[] buffer = new byte[4096];

    while( ( total = bis.read( buffer ) ) != -1 ) {

      out.write( buffer, 0, total );

    }

    out.close();

    bis.close();

    byte[] data = out.toByteArray();

    bitmap = BitmapFactory.decodeByteArray( data, 0, data.length );

  }

}

if( is != null ) {

  is.close();

}