Shamil's Blog. Software Engineering Processes, Android, CI, Devops.

mobile browser detection and redirection using apache:

RewriteEngine On
RewriteCond %{REQUEST_URI} !^/m/.*$
RewriteCond %{HTTP_ACCEPT} "text/vnd.wap.wml|application/vnd.wap.xhtml+xml" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "acs|alav|alca|amoi|audi|aste|avan|benq|bird|blac|blaz|brew|cell|cldc|cmd-" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "dang|doco|eric|hipt|inno|ipaq|java|jigs|kddi|keji|leno|lg-c|lg-d|lg-g|lge-" [NC,OR]
RewriteCond %{HTTP_USER_AGENT}  "maui|maxo|midp|mits|mmef|mobi|mot-|moto|mwbp|nec-|newt|noki|opwv" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "palm|pana|pant|pdxg|phil|play|pluc|port|prox|qtek|qwap|sage|sams|sany" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "sch-|sec-|send|seri|sgh-|shar|sie-|siem|smal|smar|sony|sph-|symb|t-mo" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "teli|tim-|tosh|tsm-|upg1|upsi|vk-v|voda|w3cs|wap-|wapa|wapi" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "wapp|wapr|webc|winw|winw|xda|xda-" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "up.browser|up.link|windowssce|iemobile|mini|mmp" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "symbian|midp|wap|phone|pocket|mobile|pda|psp" [NC]
RewriteCond %{HTTP_USER_AGENT} !macintosh [NC] #*SEE NOTE BELOW
RewriteRule ^(.*)$ /m/ [L,R=302]

(from ohryan.ca)

Labels: apache, mobile, rewrite

The Tele2 cell operator provides a real (not from the private network) ip for phone, so it's possible to exchange UDP (just tested it) to WAN. The problem is that each time the phone enables GPRS it has different ip, even from different B class networks ;-)
By the way, I used the simple java udp echo server and simple midlet to test udp interconnection and latency.

Labels: j2me, network, tele2, udp

Read an article at Sun tech tips: http://blogs.sun.com/mobility_techtips/entry/simple_strategy_for_logging_and
Article by Vikram Goyal (the great book "J2ME for beginners" author).

...'cause existing has bad (old, yellow) colors? Recalibrate it! 30 seconds using adobe gamma (or, even simplier, MS Color Control Applet) and you've great colors :-)
Last week before printing a lot photos in A3 format I recalibrated monitor and now say "Wow" each time I turn computer on :)

Labels: calibration, monitor

http://www.ajaxload.info/
gives a GIF

Labels: link

When you compile for CDLC 1.0 if you use SomeClass.class, you could get this error: "class file for java.lang.NoClassDefFoundError not found".
There're two ways of workaround: compile for CLDC 1.1 or use this style:
Class class = Class.forName("package.SomeClass");
instead of:
Class class = package.SomeClass.class;, although it has the right syntax.

Labels: j2me, java, NoClassDefFound, programming