When the user has successfully been logged in.
When a path has been marked as complete, this will be returned, and the Intent data will contain EXTRA_PATH.
When a path has been marked as project, this will be returned, and the Intent data will contain EXTRA_PATH.
When some data was required to launch the Activity, but it was not found in the Intent.
When it's required to be logged in, but an Activity was launched without it.
When an action was being ran on an Activity, but there was an exception.
When the user has just been registered and the confirmation email has been sent.