weitblickapp-android-v2

code structure:

/data -> All user-specific classes including session management, registration & change of user details

1. Login_Activity: Activity handles all Authentication processes. Uses SessionManager and LoginData.
2. SessionManager: Initiates and handles terminaton of the users session. Saves Session in SharedPreferences.
3. LoginData: Handles all Sever-Requests regarding the authenticated user.
4. RegisterActivity: Activity handles all Registration processes. Uses RegisterData.
5. Register Data: Handles all Sever-Requests regarding the creation of new users.

/ui -> MainActivity + splash-Activity for splash screen & all classes for app-functionality + utility classes

a standarized package consists of the following classes

1. (...)ViewModel : POJO to hold the server-requested data in (Model)

2. (...)ListFragment: data requests and manipulation of model-data (Data-Controller)

3. (...)ListAdapter: View-Controller for displaying data in ListView

4. (...)DetailFragment: View-Controller for Details-Page of List-Item

5. (...)AdapterShort: View-Controller for different display of referenced data in DetailFragments (e.g. a Project is referenced to News.. "short"-display of news in Project)

/utils:

• CircleTransform: Transformation class to create circle-shaped Bitmaps
• ImageSliderAdapter: Controller to instantiate Image-Views in ViewPager of Details-Page -> Switch-Case: if no picture exists, check which default-picture to load
• MyJsonArrayRequest: Special type of Array-Request which passes Json-Object in body and gets an Array-Response
• ViewPagerAdapter: To add Fragments to ViewPager for tab-view (e.g. news & events)

/location -> all classes for cycle-functionality

1. MapOverviewFragment: Fragment to chose project to donate for and displays projects location on map -> on click for play button checks if user is actually logged in to start cycling and if so starts "MapFragment"

2. MapFragment:

   • setUp Google Maps
   • fetches Location, calculates KmTotal & sends Segments to Server every 30s which returns ammount of euros for send distance
   • Updates UI, Listener for GPS (if disabled -> show popup)
   • Uses LocationService to fetch Kalman-filtered Locations

3. LocationService:

   • Initiates LocationRequest using the LocationManager, Listener for onLocationChanged
   • sends Broadcast of new Location to MapFragment
   • KalmanLatLong: Helper class for Kalman-calculations

4. Tour

   • POJO for pending tour data