revisions to the Building Your First app class with feedback from mpawlan...
revisions to the Building Your First app class with feedback from mpawlan (thank you!) am: 14f51a72 am: 78622206 am: 7cfc3b7a am: 9370ce10
am: 9a81ceb3
Change-Id: I62f818ca16755e7cc6b4f9f8ba73d169a77b038a