Bottom Navigation widget component inspired by the Google Material Design Guidelines at https://www.google.com/design/spec/components/bottom-navigation.html
Sometimes a item of active state and its inactive state might use different icons, in different shape and different color. It would be greate if the icon a menu item could support selector drawable, or it could set active icon along with inactive icon.
Sometimes a item of active state and its inactive state might use different icons, in different shape and different color. It would be greate if the icon a menu item could support selector drawable, or it could set active icon along with inactive icon.