http://www.teamjefferson.com/?q=node/41 PR5
http://danielmginting.blogspot.com/2008/10/shell-scripting-pada-linux.html PR3
http://www.helloandroid.com/tutorials/days-xmas-widget-tutorial PR4
http://www.helloandroid.com/tutorials/mastering-android-widget-development-part3 PR5
http://www.helloandroid.com/tutorials/using-android-phones-sensors PR5