- Navigation Drawer
- Recycler View
- ViewPager
- Toolbar, Menus, Floating Action Button, and Coordinator Layout
- Multiple Fragments and Activities
- User/App State
- Multiple Devices/Screens & Orientation Changes using Constraint Layout
- Host your data in the Cloud
- Media
9.1 Camera
9.2 Gallery - Location
10.1 Map
10.2 GPS - Advanced Animation - Flipbook Style
- Data
12.1 Real API Data
12.2 Retrofit Library - Firebase Security
- System - Service
- Misc.
15.1 Shortcuts
15.2 Multi-Window