The AppBar displays the toolbar widgets, leading, title. Hope this article helps you to understand AppBar in a flutter. Scaffold ( bottomNavigationBar: BottomAppBar ( color: Colors.white, child: bottomAppBarContents, ), floatingActionButton: const FloatingActionButton (onPressed: null ), ) This example shows the BottomAppBar, which can be configured to have a notch using the BottomAppBar.shape property. App bars are typically used in the Scaffold.appBar property, which places the app bar as a fixed-height widget at the top of the screen. Set the background and shadow colors to ansparent in a standard AppBar, then wrap a Container (.) around it, using BoxDecoration (gradient: LinearGradient (.)), and bob is, of course, your uncle. You can easily implement functional widgets like AppBar, FloatingActionButton, ButtonNavigationBar, Drawer, and many more widgets on the app using the Scaffold widget. It is used to implement the basic functional layout structure of an app.
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