- Migrate components to [MDC-Android(Material Components for Android)](https://github.com/material-components/material-components-android).
- Add a settings fragment and arrange them by Bottom Navigation Bar.
- Add a default Material Theme.
- Add Dynamic Color. Now Android 12+ devices can apply a dynamic theme according to wallpaper or a custom color. After set a dynamic color in settings fragment, you need to restart the app to let it be applied.
- All theme support dark mode by switching system dark theme option.