Android Floating Action Button VS Bottom Navigation Bar?

1. What is the purpose of a floating action button?
2. How to add a floating action button to bottom navigation bar in flutter?
3. What is the android bottom bar called?

What is the purpose of a floating action button?

A floating action button (FAB) is a circular button that triggers the primary action in your app's UI. This page shows you how to add the FAB to your layout, customize some of its appearance, and respond to button taps.

How to add a floating action button to bottom navigation bar in flutter?

By default, the shape of the floating action button (FAB) in the flutter is circular and the location is bottom right floated. You can change the location and shape of the floating action button using properties in Scaffold() widget class and FloatingActionButton() widget class.

What is the android bottom bar called?

The Navigation bar is the menu that appears on the bottom of your screen - it's the foundation of navigating your device. However, it isn't set in stone; you can customize the layout and button order, or even make it disappear entirely and use gestures to navigate your device instead.