title: Write Plugin for Android App
body: <p>i'll try to develop an app which is enabled for plugins like in windows-.Net-world DLLs.</p>
  
  <p>i will have small rectangle-linearlayouts in my app where the user is able to manage them with visible on/off. later on i or someone else will give the user a new plugin, which the apps is displaying now.</p>
  
  <p>is it possible? if yes: how?
  are there good sites out there you could direct me?</p>
  
  <p>regards
  fly</p>