app bar
Also written: AppBar
The bar across the top of a screen, made with the `AppBar` widget. It holds a `title`, `actions` at the right end, and a back arrow when there is a screen below.
Also written: AppBar
The bar across the top of a screen, made with the `AppBar` widget. It holds a `title`, `actions` at the right end, and a back arrow when there is a screen below.