title: Get Android View Instance
body: <p>This is a dumb question and I know the answer is sitting in front of me, I'm just having trouble searching for it in the right way.</p>
  
  <p>I've got a custom view that has been set as the content view and inflated from xml.  How can I access the instance to call methods on it from the activity class?  I remember seeing something akin to getResourceById() a while back, but now I can't seem to find it and I'm not even sure if that's the best way to do it.</p>
  
  <p>Sorry for the dumb question.</p>