- Activities
- Fragments
- Intents
- Splash Screen
- Navigation Drawer
- Bottom Navigation View
- Text View
- Image View
- List View
- Grid View
- Web View
- Map Fragment
- Dialogs
- Progress Dialogs
- Toasts
- Buttons
- Image Buttons
- Array Lists
- Array Strings
- Network Location
- Internet
- Shared Preferences
- Google Maps API
- Flickr API
- Internationalization
- Adaptative Interface Design