This is an application that helps networking students to prepare for the CCNA exams.
- MVVM Architecture + Repository pattern
- Navigation Component
- BottomNavigationView with 3 top-level destinations
- Single-activity application
- Koin for dependecy injection
- Firebase Firestore as a backend where the exams and questions are stored
- Caching is implemented for Firestore
- Retrofit + OkHttpClient to get the news from my API
- Caching is implemented for the API requests
- SwipeRefreshLayout for the News fragment
- ViewPager2 + TabLayout for the quiz presentation
- Custom TabLayout extension which dynamically sets the width of tab view so that 3-number string of 18sp size will fit there -> using reflection
- Custom tabView for TabLayout (green, red or black small material card as a background for the tab number)
- ROOM persistence library with full CRUD in order to save the quiz attempts, review completed quizzes, continue the previously started quizzes...
- TypeConverters to store custom objects in ROOM
- Glide to load images
- Custom ImageDialog which uses PhotoView library and creates a modal window with the image which can be zoomed in/out with pinch or double click gestures
- Custom ItemTouchHelper for History RecyclerView, which not only supports swipe-to-delete, but also draws a red delete background with white delete icon as a background of the swiped item
- Shared Element Transitions between ModeFragment and StartFragment
- Saving the quiz if the Activity is stopped
- Implemented instance state management with onSaveInstanceState (if a process with open quiz is killed in the background, after opening the app again the user will be able to continue from the same point)
- RecyclerView with 2 different ViewHolders selected based on the viewType
- RecyclerView with Fall Down layoutAnimation
- SharedPreferences
- Firebase Google Analytics
- Material design 2.0
- Google Admob interstitial ads
