===============[ Skills & achievements in Lab 4 ]===============

NOTE: In this lab, you may lose points for crashes, regressions,
      and for not providing an APK of your app.
      See "Lost Points" below.

- Creating and managing a service

  - Starting a service & persisting it after the app is closed 

  - Stopping a service using a GUI button (remember that the service
     could be running even after the app has been stopped.)

  - Recognizing the status of the service (running/stopped), on app
     start-up; Make sure the UI components always reflect the
     service's running state.
  
  - Sending alerts and cancelable notifications from a service 

  - Extra: Issuing proximity alerts for any cat in the list
            (not just the currently tracked one)

- Notifications

  - Interacting with Notifications by taking an action from the
     notification, e.g., starting or stopping the service, or bringing
     up an appropriate app view

  - Sending and canceling Notifications

  - Configuring notifications to use sound and/or vibration (or none),
     as per user preferences set in the SettingsFragment 
     
  - Actions taken by buttons and other active UI elements and
     information displayed by them are consistent with the app and
     service states

- Interacting with the game server

  - Handling intermittent network errors and time-outs  
  
  - Handling intermittent server failures (HTTP 500)

- UI and game interaction

  - The activity backstack should be consistent with the app
     logic/flow (see Lab2.png for the flow scheme)[3 pts]

  - Displaying a list with a custom item layout that includes icons,
     text, and actions

- Camera overlay and sensor use

  - Calling the provided camera overlay activity and handling
     interactions with it in context of the game

  - Extra: Using sensors to detect phone orientation & displaying
       orientation hints to the user while tracking the cat in the
       MapActivity
 

Each one of these 13 items earns 2 points if done correctly (except
for the one with 3 pts), 1 point if working but any crashes occur in
the related logic in our testing, 0 if not attempted or never
functional.

Additional 8 points are assigned for style (2 each, as above):
  - use of git for source control
  - meaningful commenting and indentation
  - consistent use of Java facilities (constants, private, annotations, etc.)
  - modeling of data objects sent to and receive from the server
    with appropriate Java types and objects.


Overall: 12*2 + 3 + 8 = 35 points 

Lost points for regressions and crashing: Up to 3 points can be
     subtracted if an app crashes or some of the functionality
     implemented in Labs 1--3 stops working (a regression). Specifically,
     1 point will be subtracted if a crash occurs under some unusual
     circumstances, 2 if it occurs sporadically, and 3 if it occurs
     reproducibly on every launch. 

     2 points will be subtracted if no APK of the app is made available. 

Extra credit: as above, 2 extra points each item.

Extra credit: implement the hard mode: change the location of cats in
              real time (you'll see the cats jumping around), show the
              orientation of the cat (3 pts)

Total: 35 + 7 = 42 maximum, BUT, TAs will assign up to 4 extra points
                                 for innovative solutions, research
                                 (e.g., of bugs), or design.