bottom_bar_with_sheet 1.0.1

This package help you to create bottom bar with FloatingActionButton which buld BottomSheet widget on every page.

example/lib/main.dart

import 'package:bottom_bar_with_sheet/bottom_bar_with_sheet.dart';
import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _selectedIndex = 0;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.blue,
      body: Center(
        child: Text(
          "Place for your content",
          style: TextStyle(
            color: Colors.white,
            fontSize: 20,
            fontWeight: FontWeight.w900,
          ),
        ),
      ),
      bottomNavigationBar: BottomBarWithSheet(
        selectedIndex: _selectedIndex,
        sheetChild: Center(
          child: Text(
            "Another content",
            style: TextStyle(
              color: Colors.grey[600],
              fontSize: 20,
              fontWeight: FontWeight.w900,
            ),
          ),
        ),
        bottomBarTheme: BottomBarTheme(
          mainButtonPosition: MainButtonPosition.Middle,
          selectedItemBackgroundColor: Colors.white,
          selectedItemIconColor: Colors.blue,
          selectedItemIconSize: 20,
        ),
        mainActionButtonTheme: MainActionButtonTheme(
          size: 55,
          icon: Icon(
            Icons.add,
            color: Colors.white,
            size: 35,
          ),
        ),
        onSelectItem: (index) => setState(() => _selectedIndex = index),
        items: [
          BottomBarWithSheetItem(icon: Icons.people),
          BottomBarWithSheetItem(icon: Icons.shopping_cart),
          BottomBarWithSheetItem(icon: Icons.settings),
          BottomBarWithSheetItem(icon: Icons.favorite),
        ],
      ),
    );
  }
}