@override
Widget build(BuildContext context) {
  return Scaffold(
    // This is handled by the search bar itself.
    resizeToAvoidBottomInset: false,
    body: Stack(
      fit: StackFit.expand,
      children: [
        buildMap(),
        buildBottomNavigationBar(),
        buildFloatingSearchBar(),
      ],
    ),
  );
}

Widget buildFloatingSearchBar() {
  final isPortrait = MediaQuery.of(context).orientation == Orientation.portrait;

  return FloatingSearchBar(
    hint: 'Search...',
    scrollPadding: const EdgeInsets.only(top: 16, bottom: 56),
    transitionDuration: const Duration(milliseconds: 800),
    transitionCurve: Curves.easeInOut,
    physics: const BouncingScrollPhysics(),
    axisAlignment: isPortrait ? 0.0 : -1.0,
    openAxisAlignment: 0.0,
    width: isPortrait ? 600 : 500,
    debounceDelay: const Duration(milliseconds: 500),
    onQueryChanged: (query) {
      // Call your model, bloc, controller here.
    },
    // Specify a custom transition to be used for
    // animating between opened and closed stated.
    transition: CircularFloatingSearchBarTransition(),
    actions: [
      FloatingSearchBarAction(
        showIfOpened: false,
        child: CircularButton(
          icon: const Icon(Icons.place),
          onPressed: () {},
        ),
      ),
      FloatingSearchBarAction.searchToClear(
        showIfClosed: false,
      ),
    ],
    builder: (context, transition) {
      return ClipRRect(
        borderRadius: BorderRadius.circular(8),
        child: Material(
          color: Colors.white,
          elevation: 4.0,
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: Colors.accents.map((color) {
              return Container(height: 112, color: color);
            }).toList(),
          ),
        ),
      );
    },
  );
}

class Home extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return FloatingSearchBar(
      // Your pages or just a simple Scaffold...
      body: IndexedStack(
        children: [
          MyAwesomePage(),
        ],
      ),
    );
  }
}

class MyAwesomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    /// Wrap your Scrollable in a FloatingSearchBarScrollNotifier
    /// to indicate that the FloatingSearchBar should react to
    /// scroll events from this Scrollable.
    return FloatingSearchBarScrollNotifier(
      child: ListView.builder(
        itemCount: 42,
        itemBuilder: (_, index) => Item('Item $index'),
      ),
    );
  }
}