title: How to pass objects between two activities?
body: <p>I want to pass an object from Activity B to Activity A.</p>
  
  <p>Scenario:
  - Activity A calls Activity B
  - User selects item in Activity B
  - Activity B passes an object to Activity A</p>
  
  <p>How do I accomplish this? And in which method do I read in the passed object in Activity A?</p>