GUI application offen require to launching default application based on MIME type. For example opening image or audio/video files, it cane be launched by MIME type. RApaLsSession is right class to launch default application viewer as well as launching other applications.
This article described how to launching default application based on MIME type, how to launch other application based on UID, and what are different headers and library require to use RApaLsSession API.
--kamlesh sangani 15:56, 9 September 2009 (UTC)