I am searching for a method to setup the XML install apply for my component and for this also to install the plug ins and modules that accompany everything in one installation. Has anybody carried this out before, how is this accomplished?
Try looking at http://www.joomlacontenteditor.net/ the fundamental editor installs the component and also the affiliated wordpress plugin. Simply, it used the xml place the files within the correct places and uses an install.php script to complete. It will lots of detailed things in a few of the steps that you could ignore like several the component plug ins etc.