The course materials for AND102 point to the Xamarin docs on the Android application lifecycle. In the Persisting Complex Data section, there's a code snippet which might have a bug. The snippet is supposed to show that you get a memory leak by returning a
OnRetainNonConfigurationInstance(). However, the code snippet appears to return a
TweetListWrapper. Here's a screenshot:
For some reason, the ability to attach a file to a forum post is missing today, so I had to host that screenshot on imgur. It will disappear after it hasn't been accessed in a while.